Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/07/2024, 08:34

General

  • Target

    38691fba1a28f72fb54978d883912ea9_JaffaCakes118.exe

  • Size

    368KB

  • MD5

    38691fba1a28f72fb54978d883912ea9

  • SHA1

    cd8d9b8baf0b47e5aa7d3123ea854ce451f2904b

  • SHA256

    85d47cd9385c217d7a087f81e35d42cb2b7e16e56cc7b94c308b28910f4a12ea

  • SHA512

    b505fcd22b831c57c23c6b2352ddaea444496957e5a3703891067ae29248c916f5c5ecf58bf3b91f8315030e9f7d31c4aa67a96c3fc1998fe56486510ef4de43

  • SSDEEP

    6144:pgL92UU48OOlg/gwpewysMzEYUM9Kwn832M6w6j0P:aLxU5O/gWysMIYlK4AlOj0P

Score
5/10

Malware Config

Signatures

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\38691fba1a28f72fb54978d883912ea9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\38691fba1a28f72fb54978d883912ea9_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3180
    • C:\Users\Admin\AppData\Local\Temp\38691fba1a28f72fb54978d883912ea9_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\38691fba1a28f72fb54978d883912ea9_JaffaCakes118.exe"
      2⤵
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:1928
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\Start.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3724
        • C:\Windows\SysWOW64\reg.exe
          reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Associations /v ModRiskFileTypes /t REG_SZ /d .exe /f
          4⤵
          • Modifies registry key
          PID:724
        • C:\Windows\SysWOW64\gpupdate.exe
          gpupdate /force
          4⤵
            PID:3164

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      200B

      MD5

      9cedeb0b293d2b5491225ef3d9eb2a8b

      SHA1

      b607ef9bd319b6ec696c8dab8a314998d133298b

      SHA256

      3fc59706783a0778da9121da52a63e34e47c82f436d5b14943e14fb418fd4f08

      SHA512

      ec7d4544e32b1ea460895b1037a9eca2529eed45d6ee1644f83dfc4d4ad8f7c32a811ee4627bc6b243fb5d5c9e3e2b22060d6a2903692830ff1f114d2b9f3cfc

    • memory/1928-0-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/1928-2-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/1928-3-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/1928-10-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB