Threat Database Trojans Trojan.Formbook.VA

Trojan.Formbook.VA

By CagedTech in Trojans

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 0
First Seen: March 10, 2026
OS(es) Affected: Windows

Analysis Report

General information

Family Name: Trojan.Formbook.VA
Signature status: No Signature

Known Samples

MD5: eab22330adf4ab80bc84c64f06edfe29
SHA1: 00d264bacaf5b8adb766d1197e14b3044cc2eee5
SHA256: F87BDCF2C41359B3E0501BE8C69F6050C745F8DFAD04CD1C87C7A5C71073CF9D
File Size: 303.62 KB, 303616 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 relocations information
  • File doesn't have resources
  • File doesn't have security information
  • File is 64-bit executable
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
  • File is Native application (NOT .NET application)
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  • File is not packed
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Traits

  • HighEntropy
  • No Version Info
  • x64

Block Information

Total Blocks: 8
Potentially Malicious Blocks: 3
Whitelisted Blocks: 0
Unknown Blocks: 5

Visual Map

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

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlertThreadByThreadId
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtCreateThreadEx
  • ntdll.dll!NtDuplicateObject
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenProcess
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
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  • ntdll.dll!NtQuerySystemInformation
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTerminateProcess
  • ntdll.dll!NtTerminateThread
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtWaitForAlertByThreadId
  • ntdll.dll!NtWaitForMultipleObjects
  • ntdll.dll!NtWriteFile
  • UNKNOWN