Analysis

  • max time kernel
    133s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/08/2024, 07:59

General

  • Target

    be2ed01a7184a8e1933e2f4a5c069727_JaffaCakes118.exe

  • Size

    6KB

  • MD5

    be2ed01a7184a8e1933e2f4a5c069727

  • SHA1

    9f0d43cad329b7526e8b2b224657a81eb7069d0a

  • SHA256

    3558dd4bee4fe66c53e2ebba8f4ada67096d469257605bcd3c1c35da251b6877

  • SHA512

    4c3c2ae6ae507acdf3f3ab8ae303d2f7f21f8a4b8b0e7d7d8130b13cec4ed9520c32a2d7349ea57b9f0faf0cc749d96830276e7c7815f7543ebd2cff5804df7a

  • SSDEEP

    192:Jf9JgIuZbNI8t+j1hjLt754dujYQSJvF:J1J9uZbKj12nQS

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 1 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.

  • Modifies registry class 10 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\be2ed01a7184a8e1933e2f4a5c069727_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\be2ed01a7184a8e1933e2f4a5c069727_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Installs/modifies Browser Helper Object
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:864
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\a.bat" "C:\Users\Admin\AppData\Local\Temp\be2ed01a7184a8e1933e2f4a5c069727_JaffaCakes118.exe""
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\a.bat

    Filesize

    38B

    MD5

    50a94effec08179504ef46949486ef63

    SHA1

    c36bcfbc6d85d0ae7b5642655985ecc2ab1f9e1d

    SHA256

    149194e913c7900de706a6a48db7695059b91fd63ebc75b373355c7009fb62e2

    SHA512

    095c1914e290377676cfbf07c52fb321d8e51638229810e560447e4db51d2e4dff8bfa870b009029692e12c0b9fe9c1fcf74dde30c3f68297631ff4ea6bbe283

  • memory/864-4-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB