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Threat Database Backdoors Backdoor.Darkkomet.TA

Backdoor.Darkkomet.TA

By CagedTech in Backdoors

Threat Scorecard

Popularity Rank: 16,746
Threat Level: 60 % (Medium)
Infected Computers: 35
First Seen: June 2, 2023
Last Seen: January 6, 2026
OS(es) Affected: Windows

Analysis Report

General information

Family Name: Backdoor.Darkkomet.TA
Signature status: No Signature

Known Samples

MD5: 3a63baeaf38055921a5fce377fba384b
SHA1: d3a462cdda6ac49b1ed1ed8f7649e9200d907f59
SHA256: 2BEB73EE0241F03BB8061015D1EBBAA3BC84BD270A1033BF14FB7244A66D34C5
File Size: 674.30 KB, 674304 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 32-bit executable
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • File is Native application (NOT .NET application)
  • File is not packed
Show More
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

Windows PE Version Information

Name Value
Comments Remote Service Application
Company Name Microsoft Corp.
File Description Remote Service Application
File Version 1, 0, 0, 1
Internal Name MSRSAAPP
Legal Copyright Copyright (C) 1999
Original Filename MSRSAAP.EXE
Product Name Remote Service Application
Product Version 4, 0, 0, 0

File Traits

  • 2+ executable sections
  • ntdll
  • WriteProcessMemory
  • x86

Block Information

Total Blocks: 2,833
Potentially Malicious Blocks: 340
Whitelisted Blocks: 2,493
Unknown Blocks: 0

Visual Map

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... Data truncated
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Similar Families

  • BadJoke.XA
  • Banker.G
  • Banload.XG
  • Detplock.A
  • Malat.A

Files Modified

File Attributes
c:\users\user\documents\msdcsc Synchronize,Write Attributes
c:\users\user\documents\msdcsc\msdcsc.exe Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144
c:\users\user\documents\msdcsc\msdcsc.exe Synchronize,Write Attributes
c:\users\user\downloads Write Attributes
c:\users\user\downloads\d3a462cdda6ac49b1ed1ed8f7649e9200d907f59_0000674304 Write Attributes

Registry Modifications

Key::Value Data API Name
HKCU\software\microsoft\windows\currentversion\run::microupdate C:\Users\Kceehfmx\Documents\MSDCSC\msdcsc.exe RegNtPreCreateKey
HKLM\software\microsoft\windows nt\currentversion\winlogon::userinit C:\Windows\system32\userinit.exe,C:\Users\Kceehfmx\Documents\MSDCSC\msdcsc.exe 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\conhost.exe ╪푚籖ǜ RegNtPreCreateKey
HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe 序푴籖ǜ RegNtPreCreateKey
HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc3475 RegNtPreCreateKey
HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 RegNtPreCreateKey
HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\policies\system::disabletaskmgr  RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\policies\system::disableregistrytools  RegNtPreCreateKey

Windows API Usage

Category API
Network Winsock2
  • WSAStartup
Other Suspicious
  • AdjustTokenPrivileges
  • SetWindowsHookEx
Process Manipulation Evasion
  • NtUnmapViewOfSection
  • ReadProcessMemory
  • VirtualAllocEx
Anti Debug
  • IsDebuggerPresent
  • NtQuerySystemInformation
Process Shell Execute
  • CreateProcess
  • ShellExecute
  • WriteConsole
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateMutant
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  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateSemaphore
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenProcessTokenEx
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtOpenThreadTokenEx
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQueryKey
  • ntdll.dll!NtQueryPerformanceCounter
  • ntdll.dll!NtQuerySecurityAttributesToken
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForAlertByThreadId
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWorkerFactoryWorkerReady
  • ntdll.dll!NtWriteFile
  • UNKNOWN
User Data Access
  • GetUserObjectInformation
Thread Create Remote
  • CreateRemoteThread
Network Winsock
  • connect
  • inet_addr
  • socket

Shell Command Execution

C:\Windows\System32\cmd.exe "C:\Windows\System32\cmd.exe" /k attrib "c:\users\user\downloads\d3a462cdda6ac49b1ed1ed8f7649e9200d907f59_0000674304" +s +h
open cmd.exe /k attrib "c:\users\user\downloads\d3a462cdda6ac49b1ed1ed8f7649e9200d907f59_0000674304" +s +h
C:\Windows\System32\cmd.exe "C:\Windows\System32\cmd.exe" /k attrib "c:\users\user\downloads" +s +h
open cmd.exe /k attrib "c:\users\user\downloads" +s +h
C:\Users\Kceehfmx\Documents\MSDCSC\msdcsc.exe "C:\Users\Kceehfmx\Documents\MSDCSC\msdcsc.exe"
Show More
open C:\Users\Kceehfmx\Documents\MSDCSC\msdcsc.exe
C:\WINDOWS\system32\attrib.exe attrib "c:\users\user\downloads\d3a462cdda6ac49b1ed1ed8f7649e9200d907f59_0000674304" +s +h
C:\WINDOWS\system32\attrib.exe attrib "c:\users\user\downloads" +s +h
WriteConsole:
WriteConsole: c:\users\user\do
WriteConsole:
WriteConsole: c:\users\user\do
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