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Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27/09/2024, 22:54

General

  • Target

    fb0d1f697f9a1f153511ecd696874f90_JaffaCakes118.dll

  • Size

    144KB

  • MD5

    fb0d1f697f9a1f153511ecd696874f90

  • SHA1

    0e6e6d10c112563e65eb753fc90bf22805d63536

  • SHA256

    e4798759880902ac498ddecafd10eca6e459ac5ab18aef5bba679b729113ba25

  • SHA512

    abc910f6f8352b163754413a12fa38106f9b8d9a75ef71631600a51b1e7ec7e52b01a67e4f1efadd10f5d164f294a1abf6529d181ffe9388b048304cb9c7d541

  • SSDEEP

    1536:Z6F7+RXy+NU0xNOQDWPIXqrN/8SKH334uG8P955BtpYWCVCFIfmE1KmY4ULJLiz7:Eim0/OQDMI+0L0WCQZMnd98zZ7fgMti

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb0d1f697f9a1f153511ecd696874f90_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2152
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb0d1f697f9a1f153511ecd696874f90_JaffaCakes118.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2324
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        PID:2704
      • C:\Windows\SysWOW64\taskkill.EXE
        "C:\Windows\system32\taskkill.EXE" /f /im Explorer.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2848

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Windows\SysWOW64\rundll32mgr.exe

    Filesize

    76KB

    MD5

    2e7df5ae9dcabe137166989493d996a9

    SHA1

    00a2f1abd5480d5e23bf512a8ee37aa842f69b54

    SHA256

    4c53f34aa96dc64de964e0f440218ea918b4ac56576323edb4626b17265bd8ef

    SHA512

    38bbc02e1767a8337ce53c73c637d4d9ec883d9f966dff26fb92ecda6d56646166deb5836a7edfd43725408f2e31f07935dbfaf726e6ea77c64ade18bad42d8f

  • memory/2324-0-0x0000000010000000-0x0000000010025000-memory.dmp

    Filesize

    148KB

  • memory/2324-3-0x0000000010000000-0x0000000010025000-memory.dmp

    Filesize

    148KB

  • memory/2324-2-0x0000000010000000-0x0000000010025000-memory.dmp

    Filesize

    148KB