Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/07/2024, 16:06

General

  • Target

    4a6759af1734b97f4004c709f85c13af_JaffaCakes118.exe

  • Size

    1.0MB

  • MD5

    4a6759af1734b97f4004c709f85c13af

  • SHA1

    b25e78c591331359fdcfbb8a06058f6d3cceb7d0

  • SHA256

    375402f893ec73af7675ccaf20e54afc0cc6fcf937fff42ba5d505ad52b29cb2

  • SHA512

    da39d9245d209923f34a0c739ed1f9441549ac4977e301e04e5afbda2acce5081f4083799f9187ee3efe7cb96aba950213ace7b7aeab17b17c1af3a415c7d1ea

  • SSDEEP

    24576:/DX4OBs6ZBLWprDlQ5t4tElW714/dnKDlGRwj0wJFa:boOBzB6tm5t4aIxJGmjC

Malware Config

Signatures

  • Ardamax

    A keylogger first seen in 2013.

  • Ardamax main executable 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
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4a6759af1734b97f4004c709f85c13af_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4a6759af1734b97f4004c709f85c13af_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4424
    • C:\Windows\SysWOW64\UIBKOH\OSF.exe
      "C:\Windows\system32\UIBKOH\OSF.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:460

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\UIBKOH\OSF.001

    Filesize

    61KB

    MD5

    383d5f5d4240d590e7dec3f7312a4ac7

    SHA1

    f6bcade8d37afb80cf52a89b3e84683f4643fbce

    SHA256

    7e87f6817b17a75106d34ce9884c40ddfb381bf8f2013930916498d1df0a6422

    SHA512

    e652c41ec95d653940b869426bc2cbd8e5b3159110ffaab7d623e23eebe1f34ca65be6a9a9cdcd5f41aec7567469d6b4d6362d24ae92267cddb8940e1265806a

  • C:\Windows\SysWOW64\UIBKOH\OSF.002

    Filesize

    43KB

    MD5

    93df156c4bd9d7341f4c4a4847616a69

    SHA1

    c7663b32c3c8e247bc16b51aff87b45484652dc1

    SHA256

    e55b6eabf0f99b90bd4cf3777c25813bded7b6fc5c9955188c8aa5224d299c3e

    SHA512

    ed2e98c5fd1f0d49e5bac8baa515d489c89f8d42772ae05e4b7a32da8f06d511adad27867034ca0865beae9f78223e95c7d0f826154fc663f2fab9bd61e36e35

  • C:\Windows\SysWOW64\UIBKOH\OSF.004

    Filesize

    1KB

    MD5

    946eb370adc99fbe08064dac5d836f8a

    SHA1

    370069238fa8779ecdf2c3ea9d948eafd9fafcae

    SHA256

    9167c2d604bf14043dbd6c01ad76d90bdcdab17463888e8f89ade049346ae148

    SHA512

    10d6af7f448f7c469d96710c08b4c7cef219e3836dfa5f90cbe0da8d095d1a596726e153803bf1cc7e1c121a2d87acd9efd8cf106cce9228f3b68c29f5623f88

  • C:\Windows\SysWOW64\UIBKOH\OSF.exe

    Filesize

    1.7MB

    MD5

    3cd29c0df98a7aeb69a9692843ca3edb

    SHA1

    7c86aea093f1979d18901bd1b89a2b02a60ac3e2

    SHA256

    5a37cd66508fa3fc85ae547de3498e709bd45167cb57f5e9b271dc3a1cb71a32

    SHA512

    e78f3206b1878e8db1766d4038a375bbebcbcdb8d1b0a0cb9b0dc72c54881392b9c27e2864ad9118702da58f203f13e0ad5d230980ad1ef2370391a2c4acffc9

  • memory/460-23-0x0000000000710000-0x0000000000711000-memory.dmp

    Filesize

    4KB

  • memory/4424-0-0x0000000000290000-0x0000000000399000-memory.dmp

    Filesize

    1.0MB

  • memory/4424-17-0x0000000000290000-0x0000000000399000-memory.dmp

    Filesize

    1.0MB