Threat Database Trojans Trojan.CobaltStrike.GDA

Trojan.CobaltStrike.GDA

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 2
First Seen: February 15, 2025
Last Seen: December 15, 2025
OS(es) Affected: Windows

The detection of Trojan.CobaltStrike.GDA on your system indicates a potential security threat that requires immediate attention. This type of threat is typically associated with malicious software designed to compromise the security and integrity of your computer. It is essential to understand the nature of this threat and take prompt action to remove it and prevent further damage.

What Is Trojan.CobaltStrike.GDA?

Trojan.CobaltStrike.GDA is a type of malware that can be used to gain unauthorized access to a computer system. The term "Trojan" refers to a broad category of malware that disguises itself as legitimate software, allowing it to evade detection and infiltrate a system. The specific characteristics and behaviors of Trojan.CobaltStrike.GDA may vary, but its primary goal is to compromise the security of the infected system.

How Trojan.CobaltStrike.GDA Operates

Malware like Trojan.CobaltStrike.GDA typically operates by exploiting vulnerabilities in software or tricking users into installing it. Once installed, it can create backdoors, allowing remote access to the infected system. This can lead to a range of malicious activities, including data theft, installation of additional malware, and disruption of system operations. The exact mechanisms used by Trojan.CobaltStrike.GDA may depend on its specific design and the intentions of its creators.

Symptoms of Infection

Identifying a Trojan.CobaltStrike.GDA infection can be challenging, as it is designed to remain stealthy. However, some common symptoms of malware infection include unexpected changes in system behavior, slow performance, frequent crashes, and unusual network activity. Users may also notice unfamiliar programs or icons on their system, or receive unexpected pop-ups and alerts. If you suspect that your system is infected, it is crucial to take immediate action to mitigate the threat.

How to Remove Trojan.CobaltStrike.GDA

  1. Boot your computer in Safe Mode with Networking to limit the malware's ability to interfere with the removal process.
  2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. This can help identify and remove all components of the malware.
  3. Uninstall any suspicious programs that you do not recognize or that were installed without your consent. Be cautious and only remove programs that you are sure are malicious.
  4. Reset your web browsers (Chrome, Firefox, Edge) to their default settings to remove any malicious extensions or settings that may have been altered by the malware.
  5. Reboot your computer and perform another full scan with your anti-malware tool to ensure that all remnants of the malware have been removed.

Conclusion

Removing Trojan.CobaltStrike.GDA from your system requires careful and thorough action. By following the steps outlined above and maintaining good security practices, such as keeping your software up to date and being cautious when installing new programs, you can help protect your system from future infections. Remember, the key to dealing with malware is prompt action and vigilance. Always prioritize the security and integrity of your computer system to safeguard your personal data and prevent potential harm.

Analysis Report

General information

Family Name: Trojan.CobaltStrike.GDA
Signature status: No Signature

Known Samples

MD5: 5913d609fd4cd4734532a1fd2653d34e
SHA1: 4a282e1a9f04c9022b2b33aa5a818f52f813d6c0
SHA256: 7F1F309EF099F5456C03073F86ECA1A6F3078388392578662FA70062C1977B1A
File Size: 4.71 MB, 4705416 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have debug information
  • File doesn't have exports table
  • File doesn't have security information
  • File has TLS information
  • File is 64-bit executable
  • File is console application (IMAGE_SUBSYSTEM_WINDOWS_CUI)
  • File is either console or GUI application
  • File is Native application (NOT .NET application)
  • File is not packed
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  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Traits

  • big overlay
  • fptable
  • No Version Info
  • ntdll
  • x64

Block Information

Total Blocks: 1,308
Potentially Malicious Blocks: 96
Whitelisted Blocks: 1,173
Unknown Blocks: 39

Visual Map

? x x 0 0 0 x 0 x 0 0 0 0 x x 0 x x 0 0 0 x 0 x 0 0 x 0 x 0 0 0 0 0 x 0 0 0 0 0 0 x 0 ? 0 ? x x 0 0 0 0 ? ? 0 0 0 0 ? 0 0 0 0 0 0 0 0 0 0 0 x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x x x 0 0 0 0 0 0 0 x x 0 0 0 0 0 ? 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ? 0 0 ? 0 0 ? 0 0 x 0 0 0 x x 0 0 0 x 0 0 0 0 0 0 0 0 0 0 x ? x 0 x 0 0 0 x 0 0 0 0 0 0 x ? x x x x x x ? 0 x 0 0 x x ? x x x ? ? 0 0 x 0 x ? ? ? 0 0 ? ? 0 ? ? 0 ? ? ? 0 0 0 0 0 x 0 0 x x x ? ? 0 0 ? 0 0 ? x ? 0 ? 0 0 0 0 0 0 0 0 ? 0 0 x x 0 ? ? 0 0 0 0 ? x 0 0 x 0 ? x 0 0 x 0 0 x x x 0 0 x 0 x x 0 0 x x x x 0 0 x x 0 x x x x ? 0 0 x x x 0 x 0 0 0 x 0 0 0 0 0 0 x 0 0 x x x 0 0 x 0 x x 0 0 x x 0 x 0 0 x x 0 x x 0 x x 0 0 0 0 x ? 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Files Modified

File Attributes
\device\namedpipe\srvsvc Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\downloads\ydu2mngxaj6oanqhp.exe Generic Write,Read Attributes
c:\users\user\downloads\ydu2mngxaj6oanqhp.exe Synchronize,Write Attributes
c:\windows\appcompat\programs\amcache.hve Read Data,Read Control,Write Data
c:\windows\appcompat\programs\amcache.hve Write Attributes

Registry Modifications

Key::Value Data API Name
HKCU\software\microsoft\windows\currentversion\explorer::slowcontextmenuentries `$�!�:i��+00��� Gs]XM���"�2��FXD�':D��exA-�N:���3B��SWsԄI� RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\explorer::slowcontextmenuentries `$�!�:i��+00��� Gs]XM���"�2��FXD�':D��exA-�N:���3B��SWsԄI� RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::proxybypass  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::intranetname  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::uncasintranet  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::autodetect RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::proxybypass  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::intranetname  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::uncasintranet  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::autodetect RegNtPreCreateKey
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HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\cmd.exe ϐ淙ǜ RegNtPreCreateKey
HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 }i +���Bx1HO@V�@��g��y�y�^�P������|������������ [�m��'��$�V�`�V��� RegNtPreCreateKey
HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\cmd.exe 淙ǜ RegNtPreCreateKey
HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc3475 鰂ȁ獖} RegNtPreCreateKey
HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 ~i +�����Bx1HO@V�@��g��y�y�^�P������|��7������������ [�m��'��IV�$�V�(!��j�`�V��� RegNtPreCreateKey
HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 i +�����Bx1HO@V�@��g��r�7y�y�^�P������|��7������������ [�m��'��IV�$�V�(!��j�`�V��� RegNtPreCreateKey

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAccessCheckByType
  • ntdll.dll!NtAddAtomEx
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcAcceptConnectPort
  • ntdll.dll!NtAlpcConnectPort
  • ntdll.dll!NtAlpcConnectPortEx
  • ntdll.dll!NtAlpcCreatePort
  • ntdll.dll!NtAlpcCreatePortSection
  • ntdll.dll!NtAlpcCreateSectionView
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  • ntdll.dll!NtAlpcCreateSecurityContext
  • ntdll.dll!NtAlpcDeleteSecurityContext
  • ntdll.dll!NtAlpcQueryInformation
  • ntdll.dll!NtAlpcQueryInformationMessage
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtAlpcSetInformation
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtAssociateWaitCompletionPacket
  • ntdll.dll!NtCancelIoFileEx
  • ntdll.dll!NtCancelWaitCompletionPacket
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateIoCompletion
  • ntdll.dll!NtCreateKey
  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateSemaphore
  • ntdll.dll!NtCreateThreadEx
  • ntdll.dll!NtCreateTimer
  • ntdll.dll!NtCreateTimer2
  • ntdll.dll!NtCreateUserProcess
  • ntdll.dll!NtCreateWaitCompletionPacket
  • ntdll.dll!NtCreateWorkerFactory
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtFsControlFile
  • ntdll.dll!NtImpersonateAnonymousToken
  • ntdll.dll!NtLoadKeyEx
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtNotifyChangeKey
  • ntdll.dll!NtOpenDirectoryObject
  • ntdll.dll!NtOpenEvent
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenMutant
  • ntdll.dll!NtOpenProcess
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtOpenSymbolicLinkObject
  • ntdll.dll!NtOpenThread
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtPowerInformation
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDirectoryFile
  • ntdll.dll!NtQueryDirectoryFileEx
  • ntdll.dll!NtQueryEvent
  • ntdll.dll!NtQueryFullAttributesFile
  • ntdll.dll!NtQueryInformationFile
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryLicenseValue
  • ntdll.dll!NtQueryObject
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQuerySecurityObject
  • ntdll.dll!NtQuerySymbolicLinkObject
  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtQuerySystemInformationEx
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtReadVirtualMemory
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtResumeThread
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationObject
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory

19 additional items are not displayed above.

Network Winhttp
  • WinHttpConnect
  • WinHttpOpen
  • WinHttpOpenRequest
  • WinHttpReadData
  • WinHttpReceiveResponse
  • WinHttpSendRequest
Process Shell Execute
  • CreateProcess
  • ShellExecuteEx
Process Manipulation Evasion
  • NtUnmapViewOfSection

Shell Command Execution

open yDU2MNgXaj6OANqhp.exe
C:\WINDOWS\system32\cmd.exe C:\WINDOWS\system32\cmd.exe /c ipconfig /flushdns
C:\WINDOWS\system32\ipconfig.exe ipconfig /flushdns
C:\WINDOWS\system32\cmd.exe C:\WINDOWS\system32\cmd.exe /c ipconfig /flushdns
C:\WINDOWS\system32\ipconfig.exe ipconfig /flushdns

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