Analysis

  • max time kernel
    16s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    01-08-2024 21:16

General

  • Target

    81c67cc331cb5c138183b9576f8a06d0_JaffaCakes118.dll

  • Size

    60KB

  • MD5

    81c67cc331cb5c138183b9576f8a06d0

  • SHA1

    84e18fa56dd7223cf81dd2a519a1e63b3fcbd7de

  • SHA256

    a61f6a50be7c672b56fd4e32de7fafd94108a5bd8ba79664c62aeaaa507d7ce8

  • SHA512

    ffefa82bf231710bc95b4f0e9a30c89da834261435573fc02e5bc8e93604bd4ab358303027f7206f9f88646f71e7eceea6176493a0b7c1bd27851c3ca184cb2d

  • SSDEEP

    768:EBZX+Nzp4mjNx4Ss4l6iE18++uWdB9GBc81f+Iw5BLJUXNPgH9nmscYp:EPdc2inuWdB9r8YXPJY2BmscYp

Malware Config

Signatures

  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Modifies registry class 1 IoCs
  • Runs .reg file with regedit 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\81c67cc331cb5c138183b9576f8a06d0_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1020
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\81c67cc331cb5c138183b9576f8a06d0_JaffaCakes118.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1696
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c C:\Users\Admin\AppData\Local\Temp\a.reg
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1988
        • C:\Windows\SysWOW64\regedit.exe
          "regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"
          4⤵
          • System Location Discovery: System Language Discovery
          • Runs .reg file with regedit
          PID:2868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\a.reg

    Filesize

    152B

    MD5

    b100f5324ef74ded0b998e64d07a2e19

    SHA1

    40b0d7f51bf2dd8451f1b723d21355c471a5fa46

    SHA256

    3db613d24a75ae220891698c055e1c580a42e58564f568a0510db87581cc2042

    SHA512

    c12391bb37c334074f7d7e1257b6364fd5cbce848e0a8fe15b8326f54fd9568fe3baec58618c4334027a774a06a08ec249cb71db925c1f85feee6a3d3a816c04

  • memory/1696-0-0x0000000010000000-0x000000001000F000-memory.dmp

    Filesize

    60KB