Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-10-2024 14:49

General

  • Target

    5269381754aa997141245febf39fefa2_JaffaCakes118.exe

  • Size

    104KB

  • MD5

    5269381754aa997141245febf39fefa2

  • SHA1

    610fb38a66fbd099ea98f3484071301792aea663

  • SHA256

    e5f82000ffdec16ffdadde59985c5849f7d51aebddce9919d8a7007a268a9b5d

  • SHA512

    52d8333099240106fd8acc4f348c40cff8eb2b96fdee2bada055fff37b1b8b8b77976569d9a0f7d0a3fb64bbac66591febee9149cf0975b0bfd5563a4af068e6

  • SSDEEP

    1536:i7yCIbb/bAJ8xxp+pofZ71TDdxqh5c2+JTlD/5QOuqXRRRyRAR/RwRzyYWkMktgY:njw+5+pMI7cv776qL0oDi

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 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 52 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\5269381754aa997141245febf39fefa2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5269381754aa997141245febf39fefa2_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1568
    • C:\Users\Admin\heemep.exe
      "C:\Users\Admin\heemep.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:1224

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\heemep.exe

    Filesize

    104KB

    MD5

    dbe48b1f93583302721cfcf6929751b1

    SHA1

    3139933703596b6ff360df700addccb97f3046f9

    SHA256

    a88d8f7f841e89118f540253a7b0a5e66073a9fefc9b2431465b189558a6bc0b

    SHA512

    6a1eed7fa6318dd17fdfd926651071707e0878b233608d937c6b50b4f6882661816d979f95fd253629eefbeaf6d6fee92f721405980d95c6109efe650e2d923e