Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    121s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2024, 00:20

General

  • Target

    08083bc8f45ae64eac00537129f5bf8a_JaffaCakes118.exe

  • Size

    657KB

  • MD5

    08083bc8f45ae64eac00537129f5bf8a

  • SHA1

    48e6f04b2dd238ef2a6a09b4c309a3c40153ae22

  • SHA256

    2911feecf3f18123b896d468abc66fe8de08549d1ae751f03bf18170225291aa

  • SHA512

    e6f1b8a3a2a0a56197f02864c254ef243e23a39d6e88cddb4e85fbbea41fc3ad33e5e4cfa2a1fafaf2ef985cf8458433cf9470098b8d8646cd51584e4032f4ad

  • SSDEEP

    12288:FDhIifeKOG4GQTq4OaQQTYJ8eP4/L5uO7D3f5BDq4KarQTwJ8ePB/p5uO71U26et:FTgG4GQm4OaHYJ8eP4D5uOHBBW4KaSwl

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 6 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\08083bc8f45ae64eac00537129f5bf8a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\08083bc8f45ae64eac00537129f5bf8a_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • 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:3792
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 "C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release12\ie\RichMediaViewV1release12.dll" /s
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:2696
    • C:\Windows\SysWOW64\gpupdate.exe
      "C:\Windows\System32\gpupdate.exe" /force
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3052
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
    1⤵
      PID:1580
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
      1⤵
        PID:4372

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\RichMediaViewV1\RichMediaViewV1release12\ie\RichMediaViewV1release12.dll

        Filesize

        85KB

        MD5

        591f4033ed21acd6bd22d77d682abe20

        SHA1

        d042b2d3d3a0fd9538a4ad29c15ff838481554e6

        SHA256

        d74fad44256edb495e4b605375fe6e08469a3484b3eeb74cf3fa5813914c2667

        SHA512

        50f537af5f9cd396b3df38ca233066e5b2c2b57bf344e2c79370106f15d7f84d5148a12e4f926e8b839a46b3867b3eae6d8c69968dc00b9b3aa7c6783b9fc59d

      • C:\Users\Admin\AppData\Local\Temp\nsfD274.tmp\aminsis.dll

        Filesize

        567KB

        MD5

        450753ad96785a240a39deccab3af0d0

        SHA1

        21c544064d2ffa6444508268ce258a330d459fc5

        SHA256

        1c371dcc6c3428ea98fb0d2dcb612b4ebc731f3ed72e683c8e33058cd2a952d3

        SHA512

        c41b834f4228b7668316095569c836b4e0d55c5fbf310c65b0e0453ef0e74a3ce8f9357cea90b80f6590f85dd7708eeb4eec27518811ea4aab20c0e7f5643dab