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Analysis

  • max time kernel
    143s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/09/2024, 00:13

General

  • Target

    fb273fcdc29af424cda3607500c60b98_JaffaCakes118.exe

  • Size

    769KB

  • MD5

    fb273fcdc29af424cda3607500c60b98

  • SHA1

    51b2bb61e87d07e61901d2087942ef71b6dc20ad

  • SHA256

    c41ac9475f9cf98355758e757040f4d7ece9f58e5308715bc511f72a231b1613

  • SHA512

    79ee6265b72ebae004e47dadb79df9326b74448485e822507681fb7e5438e7f2e798b729e3c46a8d1d9b9fbfe58db9bf9426d252b7ec1e2ad43733e89119a540

  • SSDEEP

    12288:6CqIuMQh1EUedx2mZ6ivA1jwHSr/ROSQ8upuDi6VWSe3aG0I+O81AYoURW8BKNP:6RIuMWedx20MwyrcSUQdWvjU1ASY

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 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 use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb273fcdc29af424cda3607500c60b98_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fb273fcdc29af424cda3607500c60b98_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4632
    • C:\Users\Admin\AppData\Local\Temp\svchosty.exe
      "C:\Users\Admin\AppData\Local\Temp\svchosty.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1232
      • C:\Users\Admin\AppData\Local\Temp\svchosty.exe
        C:\Users\Admin\AppData\Local\Temp\svchosty.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4804
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4804 -s 436
          4⤵
          • Program crash
          PID:4336
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4804 -s 456
          4⤵
          • Program crash
          PID:3508
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4804 -ip 4804
    1⤵
      PID:2240
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4804 -ip 4804
      1⤵
        PID:4948

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        312KB

        MD5

        5a2bebecff3806d59462205061c54688

        SHA1

        ac80e073d32f9f3b17d150969e7729627072b80e

        SHA256

        02c623f0f0a60f06b16f4b40306b26e71b047d35eaa0195982696225c5d57e1f

        SHA512

        89b6012ec78d69067cbceb89a7cce6c75415c1d0dee87c16c3e142c68b283c510cc3a02687b084bf6689355d604ea41f970ef66ddef9742c9d8601d89a4836ed

      • memory/1232-16-0x0000000000400000-0x000000000047B000-memory.dmp

        Filesize

        492KB

      • memory/1232-20-0x0000000000400000-0x000000000047B000-memory.dmp

        Filesize

        492KB

      • memory/1232-26-0x0000000000400000-0x000000000047B000-memory.dmp

        Filesize

        492KB

      • memory/1232-24-0x0000000000400000-0x000000000047B000-memory.dmp

        Filesize

        492KB

      • memory/1232-12-0x0000000000400000-0x000000000047B000-memory.dmp

        Filesize

        492KB

      • memory/1232-18-0x0000000000400000-0x000000000047B000-memory.dmp

        Filesize

        492KB

      • memory/1232-17-0x0000000000400000-0x000000000047B000-memory.dmp

        Filesize

        492KB

      • memory/4632-2-0x00000000023D0000-0x000000000242D000-memory.dmp

        Filesize

        372KB

      • memory/4632-14-0x0000000000400000-0x00000000004C3000-memory.dmp

        Filesize

        780KB

      • memory/4632-15-0x0000000000400000-0x0000000000457000-memory.dmp

        Filesize

        348KB

      • memory/4632-0-0x0000000000400000-0x00000000004C3000-memory.dmp

        Filesize

        780KB

      • memory/4632-1-0x0000000002310000-0x00000000023CA000-memory.dmp

        Filesize

        744KB

      • memory/4632-3-0x0000000000400000-0x0000000000457000-memory.dmp

        Filesize

        348KB

      • memory/4804-21-0x0000000000400000-0x000000000047B000-memory.dmp

        Filesize

        492KB

      • memory/4804-23-0x0000000000400000-0x000000000047B000-memory.dmp

        Filesize

        492KB