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Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/07/2024, 00:24

General

  • Target

    5e50674fc2ca3eff46bed2e9cc3a11e1_JaffaCakes118.exe

  • Size

    134KB

  • MD5

    5e50674fc2ca3eff46bed2e9cc3a11e1

  • SHA1

    1c8252cdd0a204cbeb5534c0a3b6dd82716895af

  • SHA256

    163aed40fd6bd0f885f3d6201583bdc062044792d2b0ea8c0757ce00a6d4f0e2

  • SHA512

    7e2f769583eb45cf16ae41fa61280de2f798594f2710d524b8de047b7445f2c00a1d7bfd81b55e9d9e931cf984cfe8d6ad1d80bf73239ca08a92eba1d81f25ca

  • SSDEEP

    1536:jSqyQc5gsfh84Xpuu0rDhaltXkXo8UTaSzrbuip5hVNlwmWhyE1yoQgSE:MtRy4srDEioFaSiip5hVrwXTvS

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 4 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Modifies registry class 7 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e50674fc2ca3eff46bed2e9cc3a11e1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5e50674fc2ca3eff46bed2e9cc3a11e1_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4808
    • C:\Users\Admin\DocumentsSERVER.EXE
      "C:\Users\Admin\DocumentsSERVER.EXE"
      2⤵
      • Executes dropped EXE
      PID:1156
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1156 -s 272
        3⤵
        • Program crash
        PID:5004
    • C:\Windows\svchost.exe
      "C:\Windows\svchost.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops autorun.inf file
      • Drops file in Program Files directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4468
      • C:\Users\Admin\DocumentsSERVER.EXE
        "C:\Users\Admin\DocumentsSERVER.EXE"
        3⤵
        • Executes dropped EXE
        PID:4552
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4552 -s 228
          4⤵
          • Program crash
          PID:1908
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3044
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:228
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1156 -ip 1156
    1⤵
      PID:5028
    • C:\Windows\system32\OpenWith.exe
      C:\Windows\system32\OpenWith.exe -Embedding
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:552
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4552 -ip 4552
      1⤵
        PID:4080
      • C:\Windows\system32\OpenWith.exe
        C:\Windows\system32\OpenWith.exe -Embedding
        1⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:3708

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\DocumentsMSG

        Filesize

        25B

        MD5

        cc06342cb0ace7abe917191cf4d52689

        SHA1

        0b762d77d20896f7721c3592477e6ddbb7b3fa70

        SHA256

        deaa10e000c4d758c5cb8e476c3122c0e904c46cfcb50819454e44ed8de8991e

        SHA512

        b943f7fe58bc333dd1ababdfea63de0420176e4727d15fac631cf045f6146fb73f2f68e7c6ed446becd25ebe7a353f284e13fdcace11db2d675595d445e7287a

      • C:\Users\Admin\DocumentsSERVER.EXE

        Filesize

        33KB

        MD5

        6500980b9874022352f7a11c3b45ea4c

        SHA1

        1ff410ae32eed7af834f11c9901a03bdbafe93b2

        SHA256

        daecb4df367c14fd5ed31dd5db8aa33c3969ca9e4af6fe4da1826e2a8864ef02

        SHA512

        432fad3e75c1a01033d8e311cc4d275c5a041cb7350d1f5fd28c4a8240b290b089ef377f117f9aa1979515db001c161ab76c389c0be7fe7ce381e80945e48a59

      • C:\Users\Admin\DocumentsURL

        Filesize

        39B

        MD5

        67235f540ada2c2e6832c1debb5d536c

        SHA1

        e5f70c2074623a863b2dc3ef9cd83642d7a2ab6a

        SHA256

        29bd5b90368a01a560a525c156ee07580cd4642e1f71728d04437fa52982d1cd

        SHA512

        e5aab95437ca53a294eb10aa901b3be6683552b0365ff20ffbd1faa325095aea59e5c92d2c8b8a1a3558f2eb13dcb9d6fbf448d962de25d374d89b191d9faeea

      • C:\Windows\svchost.exe

        Filesize

        134KB

        MD5

        5e50674fc2ca3eff46bed2e9cc3a11e1

        SHA1

        1c8252cdd0a204cbeb5534c0a3b6dd82716895af

        SHA256

        163aed40fd6bd0f885f3d6201583bdc062044792d2b0ea8c0757ce00a6d4f0e2

        SHA512

        7e2f769583eb45cf16ae41fa61280de2f798594f2710d524b8de047b7445f2c00a1d7bfd81b55e9d9e931cf984cfe8d6ad1d80bf73239ca08a92eba1d81f25ca

      • memory/1156-21-0x0000000000400000-0x0000000000409000-memory.dmp

        Filesize

        36KB

      • memory/4468-85-0x0000000000400000-0x0000000000427000-memory.dmp

        Filesize

        156KB

      • memory/4552-77-0x0000000000400000-0x0000000000409000-memory.dmp

        Filesize

        36KB

      • memory/4808-57-0x0000000000400000-0x0000000000427000-memory.dmp

        Filesize

        156KB