Analysis

  • max time kernel
    149s
  • max time network
    150s
  • 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, 02:32

General

  • Target

    847cf2a0a01b3259c1470cc2259edfbd_JaffaCakes118.exe

  • Size

    248KB

  • MD5

    847cf2a0a01b3259c1470cc2259edfbd

  • SHA1

    92eb40d03707ffb143972ba2c07b30bef9e90706

  • SHA256

    2e8a5a3d466dde413025bd97b1b20b269621460f7d8e45c653f68859beb0f417

  • SHA512

    f0ef149b282708a6a8c302e2b231598db8310259622ea1bd914fd90aa1afdbefed70b7d643bb3e4d6738ac2d7db0c544c72872c38e89948630b257444f288339

  • SSDEEP

    3072:arl3nulFtcOVH7L0+/RBRgll5lb5zGEKD:adnuhTNGl5H

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 51 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\847cf2a0a01b3259c1470cc2259edfbd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\847cf2a0a01b3259c1470cc2259edfbd_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1980
    • C:\Users\Admin\giomoa.exe
      "C:\Users\Admin\giomoa.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
      • Suspicious use of WriteProcessMemory
      PID:4688

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\giomoa.exe

    Filesize

    248KB

    MD5

    d5b63c0d1d5f3434b6becb842886d5f4

    SHA1

    40c8b0767139510bc444e22f309a9f686b2dd7a4

    SHA256

    c9a8cbe9fdd03a64134544280a495ebad5c0bebd232cd2b0cb8c50c6f1440372

    SHA512

    7ac802f50378b07368115079c572a6dcadcee17e4fa7776e8d7d50cbba46b42fc582a05fcd004848041f1a89a3f1da96e0b096e9920659c26cbb1af8d2608057