Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-12-2024 12:11

General

  • Target

    f3f025de4af900300b7070b63980b4ff_JaffaCakes118.exe

  • Size

    32KB

  • MD5

    f3f025de4af900300b7070b63980b4ff

  • SHA1

    39416f80cbe54d641e8533e005264f2fd1b85f25

  • SHA256

    019029d03d9726f5ba3206f0e4aae9414c7d301dd9d8fbe4527e3b5e609abb0c

  • SHA512

    33cd7169ac34cc7e482872c497fabb4d98452f96f1a3919aa62f1831ce9b96268fd1dddeb23b7817b33c2b58b84cd99bcca4a8220909e1180ed66d25f0b3f668

  • SSDEEP

    768:XTlZgICDGYpAMir1e3lOfXOp5KEEK7Hg7iqaATldPi7Nd/naITaVXJKD8y06xByL:jlZgICjyk1OfXOp5XEK7Hg7i+Tbi7j/k

Malware Config

Extracted

Family

metasploit

Version

encoder/fnstenv_mov

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Metasploit family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f3f025de4af900300b7070b63980b4ff_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f3f025de4af900300b7070b63980b4ff_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4712
    • C:\Users\Admin\AppData\Local\Temp\pic.exe
      "C:\Users\Admin\AppData\Local\Temp\pic.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4948
      • C:\Windows\SysWOW64\svchost.exe
        C:\Users\Admin\AppData\Local\Temp\pic.exe
        3⤵
          PID:1816
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1816 -s 12
            4⤵
            • Program crash
            PID:2092
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\OPE8FCD.bat" "" "C:\Users\Admin\AppData\Local\Temp" "f3f025de4af900300b7070b63980b4ff_JaffaCakes118.exe""
        2⤵
        • System Location Discovery: System Language Discovery
        PID:2984
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1816 -ip 1816
      1⤵
        PID:4116

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\OPE8FCD.bat

        Filesize

        44B

        MD5

        bd72f632464c3ff2f5a20870b59aa27b

        SHA1

        4bbb3d50ec61ce9adebf98a3c8f7a0bbe960a684

        SHA256

        9ddaf09d8002847f4ab98a3e2f50730aa4a6950815aeef1ec55bae5482afb0f4

        SHA512

        12295684b9c54f7a3a55c60be888941124072c864f1b52f438bfc04a929ba1e6add8a088f06d3812591a2441ec3409584a72d96f2dd8ebd47c7a7fce51443676

      • C:\Users\Admin\AppData\Local\Temp\pic.exe

        Filesize

        30KB

        MD5

        702d3be877923dc28fdce8931775b7ae

        SHA1

        8223a86a9feb77aded9834f4959b020f0ee43823

        SHA256

        86317e3059cfe0c1252d9d7ddfa6999ccba1aebab0a6c3e81d28fe7edd9986f7

        SHA512

        92ec7bd649d7609c8aa671697cbd467e108a0db84cbf2730b1094cf9e307fd53e304a3e8d849f48b176f426991455eef144946cf803ccfee170ed46fe698f68d

      • memory/1816-15-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/4712-0-0x0000000000400000-0x0000000000409BE0-memory.dmp

        Filesize

        38KB

      • memory/4712-12-0x0000000000400000-0x0000000000409BE0-memory.dmp

        Filesize

        38KB