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Analysis

  • max time kernel
    149s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/08/2024, 11:52

General

  • Target

    85f2bcab65e9438c3c1b769932ee384c_JaffaCakes118.exe

  • Size

    176KB

  • MD5

    85f2bcab65e9438c3c1b769932ee384c

  • SHA1

    baef3c580fff53f05b8bd329340ec5f3c73dbec4

  • SHA256

    34fcfa23ebeb831b4fdbe0e5bee8d8b33702730d406edfc54f662a337e1e285e

  • SHA512

    1400792a6619c4a06bc91ef9c6580ea3c8e6d33d58fd7a2ebaed4372d60d438b7f837726e57562b4b7fb0298dae58f6b64515d023d27ff60ae282bf4b6c4dfa1

  • SSDEEP

    3072:2BubNB57EoiO8S9aCWKnvmb7/D26BXbBD8R4FpjIyc4j+agdLfED0Co0beLs9Ar:2B2fBQKnvmb7/D26BLBD8R4FpjIyc4ja

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 53 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\85f2bcab65e9438c3c1b769932ee384c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\85f2bcab65e9438c3c1b769932ee384c_JaffaCakes118.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1836
    • C:\Users\Admin\wougauq.exe
      "C:\Users\Admin\wougauq.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2160

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\wougauq.exe

    Filesize

    176KB

    MD5

    4f5358e323815034d549462710d5e278

    SHA1

    accf779199d280f0891ba8efcd2e6647783501fe

    SHA256

    b59812a735efe43d9ae478b3fc8dd9f97fb12eb691537303acad75ef9068fc1c

    SHA512

    5f464b2b1429cf69ab970c22aea674a6c12d8e7003f753407b2cb309f059c84bfde5bff6ec9809562d68bbb5eab12508ad3e515a46f2551b15e2c839a5ba58ec

  • memory/1836-0-0x0000000000400000-0x0000000000447000-memory.dmp

    Filesize

    284KB

  • memory/2160-33-0x0000000000400000-0x0000000000447000-memory.dmp

    Filesize

    284KB