Threat Database Trojans Trojan.Vidar.Gen.A

Trojan.Vidar.Gen.A

By CagedTech in Trojans

Analysis Report

General information

Family Name: Trojan.Vidar.Gen.A
Packers: UPX x64
Signature status: No Signature

Known Samples

MD5: ca006fc96b075894b94019da0842fce2
SHA1: 257a60d08c158377d2419c28381029e73ee18431
SHA256: 5F793BC522BE62E947CA552B5597B4A8DC8846AA09D7AA44E82A53DE3D8232AD
File Size: 580.10 KB, 580096 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 security information
  • File has been packed
  • 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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  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Traits

  • CryptUnprotectData
  • HighEntropy
  • No CryptProtectData
  • No Version Info
  • packed
  • VirtualQueryEx
  • WriteProcessMemory
  • x64

Block Information

Total Blocks: 404
Potentially Malicious Blocks: 387
Whitelisted Blocks: 17
Unknown Blocks: 0

Visual Map

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

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN

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