Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08/10/2024, 04:57

General

  • Target

    1fb1cf1eaf3ecf0c2f1b816ced9463b8_JaffaCakes118.exe

  • Size

    1.6MB

  • MD5

    1fb1cf1eaf3ecf0c2f1b816ced9463b8

  • SHA1

    729f7da277215982c83c7aa668629535f0674cb0

  • SHA256

    4aff37505f5a36abfaa0941ed7770bc81d2a9e845710666388d6bbd1058e1a36

  • SHA512

    ae26cd495c5cf16a49db74f3e57278f4a7e322842426f18926aa3854550b963a73ba75e6a0e1a24e542ec4830595ca42741c997ac38f351f99d9538f8921f0b8

  • SSDEEP

    24576:shsI2VVvtGVxy60pzjCwnnJ4NudB4iM25lh3N/OYWGLBbn+timH5KIMM3:shIGVxy60p5nQu/4+7djWkbnKi6KIMM

Malware Config

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Deletes itself 1 IoCs
  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Themida packer 23 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 8 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1fb1cf1eaf3ecf0c2f1b816ced9463b8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1fb1cf1eaf3ecf0c2f1b816ced9463b8_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2080
    • C:\Windows\SysWOW64\notepad.exe
      notepad
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:2964
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\SysWOW64\explorer.exe"
      2⤵
      • Modifies firewall policy service
      • Modifies security service
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Checks BIOS information in registry
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2328
      • C:\Windows\SysWOW64\notepad.exe
        C:\Windows\SysWOW64\notepad.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2600
    • C:\Windows\SysWOW64\notepad.exe
      C:\Windows\SysWOW64\notepad.exe
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\WindowsSysInstal\WindowsSystem.exe

    Filesize

    1.6MB

    MD5

    1fb1cf1eaf3ecf0c2f1b816ced9463b8

    SHA1

    729f7da277215982c83c7aa668629535f0674cb0

    SHA256

    4aff37505f5a36abfaa0941ed7770bc81d2a9e845710666388d6bbd1058e1a36

    SHA512

    ae26cd495c5cf16a49db74f3e57278f4a7e322842426f18926aa3854550b963a73ba75e6a0e1a24e542ec4830595ca42741c997ac38f351f99d9538f8921f0b8

  • memory/776-61-0x0000000000190000-0x0000000000191000-memory.dmp

    Filesize

    4KB

  • memory/2080-35-0x0000000013140000-0x00000000132F4000-memory.dmp

    Filesize

    1.7MB

  • memory/2080-66-0x0000000013141000-0x00000000131F2000-memory.dmp

    Filesize

    708KB

  • memory/2080-3-0x0000000013140000-0x00000000132F4000-memory.dmp

    Filesize

    1.7MB

  • memory/2080-0-0x0000000013140000-0x00000000132F4000-memory.dmp

    Filesize

    1.7MB

  • memory/2080-1-0x0000000013141000-0x00000000131F2000-memory.dmp

    Filesize

    708KB

  • memory/2080-34-0x0000000013140000-0x00000000132F4000-memory.dmp

    Filesize

    1.7MB

  • memory/2080-39-0x0000000003E90000-0x0000000003E91000-memory.dmp

    Filesize

    4KB

  • memory/2080-38-0x0000000003F20000-0x0000000003F21000-memory.dmp

    Filesize

    4KB

  • memory/2080-37-0x0000000003F40000-0x0000000003F41000-memory.dmp

    Filesize

    4KB

  • memory/2080-36-0x0000000003E40000-0x0000000003E41000-memory.dmp

    Filesize

    4KB

  • memory/2080-63-0x0000000013140000-0x00000000132F4000-memory.dmp

    Filesize

    1.7MB

  • memory/2328-65-0x0000000013140000-0x00000000132F4000-memory.dmp

    Filesize

    1.7MB

  • memory/2328-74-0x0000000013140000-0x00000000132F4000-memory.dmp

    Filesize

    1.7MB

  • memory/2328-64-0x0000000013140000-0x00000000132F4000-memory.dmp

    Filesize

    1.7MB

  • memory/2328-139-0x0000000013140000-0x00000000132F4000-memory.dmp

    Filesize

    1.7MB

  • memory/2328-43-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2328-67-0x0000000013140000-0x00000000132F4000-memory.dmp

    Filesize

    1.7MB

  • memory/2328-71-0x0000000013140000-0x00000000132F4000-memory.dmp

    Filesize

    1.7MB

  • memory/2328-70-0x0000000013140000-0x00000000132F4000-memory.dmp

    Filesize

    1.7MB

  • memory/2328-69-0x0000000013140000-0x00000000132F4000-memory.dmp

    Filesize

    1.7MB

  • memory/2328-68-0x0000000013140000-0x00000000132F4000-memory.dmp

    Filesize

    1.7MB

  • memory/2328-80-0x0000000013140000-0x00000000132F4000-memory.dmp

    Filesize

    1.7MB

  • memory/2328-79-0x0000000013140000-0x00000000132F4000-memory.dmp

    Filesize

    1.7MB

  • memory/2328-78-0x0000000013140000-0x00000000132F4000-memory.dmp

    Filesize

    1.7MB

  • memory/2328-77-0x0000000013140000-0x00000000132F4000-memory.dmp

    Filesize

    1.7MB

  • memory/2328-76-0x0000000013140000-0x00000000132F4000-memory.dmp

    Filesize

    1.7MB

  • memory/2328-75-0x0000000013140000-0x00000000132F4000-memory.dmp

    Filesize

    1.7MB

  • memory/2328-41-0x0000000013140000-0x00000000132F4000-memory.dmp

    Filesize

    1.7MB

  • memory/2328-73-0x0000000013140000-0x00000000132F4000-memory.dmp

    Filesize

    1.7MB

  • memory/2328-72-0x0000000013140000-0x00000000132F4000-memory.dmp

    Filesize

    1.7MB

  • memory/2964-30-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2964-4-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB