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Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09/02/2025, 14:09

General

  • Target

    JaffaCakes118_d025a29d3fcf1ac56ba898b98f907980.dll

  • Size

    1.7MB

  • MD5

    d025a29d3fcf1ac56ba898b98f907980

  • SHA1

    f952e386b3959ee5a1d6480910ee2e93be29bb8a

  • SHA256

    a502930163e38bd44bc2c4c6d7a991880abea4437587c58313fc2f2f6fcb43da

  • SHA512

    1546be601d35fb37d11a3a301563037d64cac1dde696c2ef4cb972ccd618d73a17487a601bdfa965d89f7b5b9c49bf499d8d60e03e16e9ed5dc501cd553bdd68

  • SSDEEP

    49152:+GyOzzWWn/QDApct8O74W7y1mF9V/7eSSu4yk:+Gymzf/QEp4WmFv7eSS4k

Malware Config

Signatures

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d025a29d3fcf1ac56ba898b98f907980.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d025a29d3fcf1ac56ba898b98f907980.dll,#1
      2⤵
      • Identifies Wine through registry keys
      • Checks whether UAC is enabled
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2396

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2396-0-0x0000000002240000-0x00000000025BE000-memory.dmp

    Filesize

    3.5MB

  • memory/2396-1-0x0000000002240000-0x00000000025BE000-memory.dmp

    Filesize

    3.5MB

  • memory/2396-2-0x0000000002240000-0x00000000025BE000-memory.dmp

    Filesize

    3.5MB