Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03/10/2024, 00:31

General

  • Target

    0d1b4da6cfd38e56ea291dc268d9ae67_JaffaCakes118.exe

  • Size

    657KB

  • MD5

    0d1b4da6cfd38e56ea291dc268d9ae67

  • SHA1

    097fda9a4b152d13ced2002a30fd45f7923580a8

  • SHA256

    88de9f0225e7d296dca4fa7dbe24b35ec9146ca5008eb02086f6277b94f9ea54

  • SHA512

    5756f4861c2674dba7eef0416b1e6e50adc8c3f96a4fcf886c04d2fc34c90b74252dcb1db4ebe3d50c4c1ede699e604810906e97fb1f5a93688e7e4266a4bfe6

  • SSDEEP

    12288:SLqzlx/NG4GQTq4OaQQTYJ8eP4/L5uO7D3f5B2q4yajQTEJ8ePv/b5uO7aLvHPA+:SLq3/NG4GQm4OaHYJ8eP4D5uOHBBb4yz

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\0d1b4da6cfd38e56ea291dc268d9ae67_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0d1b4da6cfd38e56ea291dc268d9ae67_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:2656
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 "C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release744\ie\RichMediaViewV1release744.dll" /s
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:2780
    • C:\Windows\SysWOW64\gpupdate.exe
      "C:\Windows\System32\gpupdate.exe" /force
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1972

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release744\ie\RichMediaViewV1release744.dll

          Filesize

          85KB

          MD5

          36a02c7841f472f0f1e937e117f707ee

          SHA1

          f3a8e2c7ab1076069b610767cdb80d3b7db9ff04

          SHA256

          372721de013be14d96b9f51f60452495f18094cea2bca981eab2735f58ea4552

          SHA512

          9513c984b98eed4e420fa5b125399d67b6d4cafaaca92ca59d6db72465839f0eb81dd6d92630822492231483dad7259f42e4d818176d562a7ac48490edb88508

        • \Users\Admin\AppData\Local\Temp\nst5552.tmp\aminsis.dll

          Filesize

          567KB

          MD5

          450753ad96785a240a39deccab3af0d0

          SHA1

          21c544064d2ffa6444508268ce258a330d459fc5

          SHA256

          1c371dcc6c3428ea98fb0d2dcb612b4ebc731f3ed72e683c8e33058cd2a952d3

          SHA512

          c41b834f4228b7668316095569c836b4e0d55c5fbf310c65b0e0453ef0e74a3ce8f9357cea90b80f6590f85dd7708eeb4eec27518811ea4aab20c0e7f5643dab