Analysis

  • max time kernel
    148s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    23/07/2024, 04:20

General

  • Target

    661d78bb4c281c8b24c13d1878a703c8_JaffaCakes118.exe

  • Size

    136KB

  • MD5

    661d78bb4c281c8b24c13d1878a703c8

  • SHA1

    31310b4891bbf41d98b0cd6a52332459434241ed

  • SHA256

    6c876ee3f5df4d231b45606b762148c78a5fd325c218ffe08044eb33e9e6b563

  • SHA512

    da49ff6ef2b29e3b2cd935325b1edacff28f9286653f7744737a4eb53ea3aca289ce032bdfa6f09872db61d6da9bb663b9464a635089563a7f33271876bec26b

  • SSDEEP

    3072:Ektoh5Bew+QMjv5bnz3cT+adE24rTfh4nc:EI2b4QMlb4T+H24vfL

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • VMProtect packed file 5 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\661d78bb4c281c8b24c13d1878a703c8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\661d78bb4c281c8b24c13d1878a703c8_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:756
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\661D78~1.EXE > nul
      2⤵
      • Deletes itself
      PID:2228
  • C:\Windows\SysWOW64\vifzsk.exe
    C:\Windows\SysWOW64\vifzsk.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    PID:2588

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\vifzsk.exe

    Filesize

    136KB

    MD5

    661d78bb4c281c8b24c13d1878a703c8

    SHA1

    31310b4891bbf41d98b0cd6a52332459434241ed

    SHA256

    6c876ee3f5df4d231b45606b762148c78a5fd325c218ffe08044eb33e9e6b563

    SHA512

    da49ff6ef2b29e3b2cd935325b1edacff28f9286653f7744737a4eb53ea3aca289ce032bdfa6f09872db61d6da9bb663b9464a635089563a7f33271876bec26b

  • memory/756-3-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/756-0-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2588-5-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB

  • memory/2588-8-0x0000000000400000-0x000000000042E000-memory.dmp

    Filesize

    184KB