Analysis

  • max time kernel
    123s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    09/10/2024, 09:06

General

  • Target

    2e6ab48a03737af3bc6ddfcb742c54c5_JaffaCakes118.exe

  • Size

    634KB

  • MD5

    2e6ab48a03737af3bc6ddfcb742c54c5

  • SHA1

    a663165e47a7e55a09992690e536e3c916a356a6

  • SHA256

    c80a9a0d97bb88ff216fd581088178e0308c47b6bfb34d2ad56cd07d692154f8

  • SHA512

    82ca50038707b84aed7f3cb741203b226b05c22cb25447e21452a01282d27c6f694756343a6eeb61cddcae1216b3847e0eae64d0fff111a2e932a9ddf086ba0b

  • SSDEEP

    12288:/XGahvvM2opFG4GjeZHkwuPikQ7lKH5p5H9x1qeZHkwuriZQZlKh5pQxlMjVW+:/7U7pFG4GjeZEXi37l6Br1qeZEjiOZlW

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

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

  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 22 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies registry class 36 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2e6ab48a03737af3bc6ddfcb742c54c5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2e6ab48a03737af3bc6ddfcb742c54c5_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2552
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 "C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home207\ie\MediaWatchV1home207.dll" /s
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:1616
    • C:\Windows\SysWOW64\gpupdate.exe
      "C:\Windows\System32\gpupdate.exe" /force
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2468

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home207\ie\MediaWatchV1home207.dll

    Filesize

    85KB

    MD5

    e8cebab9806ee5138a334e477a1ea75f

    SHA1

    045587e5efc90fd54aca9a181b3a15c8cf024897

    SHA256

    8ca3a6516ef1c491e5889430c3d9dd5d62cc91fc1199d3b0dc249c69b40c9091

    SHA512

    ec0c4dc1f3347c82b995b73b70a4eadca663bde9f8aa8bfc3644e8008646229fe541fba7b71f1bbb8feb4b6103c809cf4fe23bd101de37a95eea3d380bc58680

  • \Users\Admin\AppData\Local\Temp\nsjB202.tmp\aminsis.dll

    Filesize

    559KB

    MD5

    51ba1095f0ae45a2d444bea506cb9ad4

    SHA1

    038a5d53d055a6d440bd2c8864c2f51db206c5e5

    SHA256

    b620091bf9973e807e12155d2247a6d233b5d13ec38c426675470ab4b26f0539

    SHA512

    f5fe2dd0f19bcaab47540ceedbec71f7f7c5b833c8772c097594c458e5f1101fe9feb849812b65c175055f71dfb13f11c4ad94fef42cd66f247413e453de3361