Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/08/2024, 04:23

General

  • Target

    b216d9e549614bb436bd747d808d8a85_JaffaCakes118.exe

  • Size

    132KB

  • MD5

    b216d9e549614bb436bd747d808d8a85

  • SHA1

    e6930bc2c4a3dc1f5321ab05eb2c7ca774c8264d

  • SHA256

    e2ce9d21b57e19aad4ef7611ce059ebc590424efb41dbf3c42660d6c183927ce

  • SHA512

    f0de43b2fc878ef81a124e8ba167b4ff2b37599431f81e0075bc9010f5c0aa8266e8c1114a58c623938064764a0c89d5ce0b3a26c6980dcebc16598406421dcc

  • SSDEEP

    1536:T5xPQeTIWXFixXVG4e2JLBJ3Ue05znybzPe9j+wo7JaS4:XQeTIqFixFG4e1ybGKwQq

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\b216d9e549614bb436bd747d808d8a85_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b216d9e549614bb436bd747d808d8a85_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:2064
    • C:\Users\Admin\queakir.exe
      "C:\Users\Admin\queakir.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:3644

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\queakir.exe

    Filesize

    132KB

    MD5

    1093601a11d25c27d69760696a3b23db

    SHA1

    04401f18cf5791ab42c4d67ddca7905fe45b7743

    SHA256

    44d0fdebc5889b6b0408bcd628ab810164d694a1081517948e13a2bc9effb35a

    SHA512

    13a94ead006172f95d3f47d0d9d8f65c8796f4fc6a35a190bf28ee71988352c0b59c4cf753ac392b9355128ceca5160c7db1731e2b176d895d4c5b3c79349b6a