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Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/07/2024, 10:33

General

  • Target

    73aee3441311a1469cdf0c5fc2b715bd_JaffaCakes118.exe

  • Size

    188KB

  • MD5

    73aee3441311a1469cdf0c5fc2b715bd

  • SHA1

    e8643ec38c8be665b44a02b8ed72b67bce6e1dd6

  • SHA256

    8684a2405a401ef18da7ec94298aa0681c8b85457f9a6f957c5624d2050626af

  • SHA512

    8de5bdcfa1bc344a3357135d6e0480949214c74437509b176c52bb77413b7ac36b99c0ab6ae8105f0662a1acc919ea4d71f38e4efefcd9c6d0fe761569913cf2

  • SSDEEP

    3072:Hj4mvJfEQqQ7b4zxMJsSmJMnTQFlKRilqoq6v/:8O3qM4zk02qfMot

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 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\73aee3441311a1469cdf0c5fc2b715bd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\73aee3441311a1469cdf0c5fc2b715bd_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:2848
    • C:\Users\Admin\bygoic.exe
      "C:\Users\Admin\bygoic.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:3464

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\bygoic.exe

    Filesize

    188KB

    MD5

    072d7411e43694cb100c8a2322276edd

    SHA1

    d08fb180b45c2e965bb5a4254b64003df744e5ae

    SHA256

    6c866826326e3c01927d15206376e20a5c2ca597fb43c554820bf67d7058264e

    SHA512

    c12beeface7d1547379e5d9d27aad8bbfd45bc844d949a18f311c9c160c91ac2822941f9687f112e1dfd10d76e0b4d6c7a502d1258ac655ac8b1313376ff835a