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Overview

overview

7

Static

static

3

ff6cb0d86b...18.dll

windows7-x64

3

ff6cb0d86b...18.dll

windows10-2004-x64

7

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/09/2024, 22:45

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General

  • Target

    ff6cb0d86b0e3f177ac82233fffeb46f_JaffaCakes118.dll

  • Size

    37KB

  • MD5

    ff6cb0d86b0e3f177ac82233fffeb46f

  • SHA1

    b7c42075c85026b358a29fb7fb88e76ea413e30d

  • SHA256

    3b7d19bc3b3d99a2c559ba31d69e2e2ab19d8c3896d70b791be61306724e0c72

  • SHA512

    21997f28c27b95cd5b2e3143f0c0021421b0d18bc408af1e1eb73603476b6c2652b14e90b1cf73e36b45419ee9baaead03a6c1d12a6b4277ddaf33839d102e03

  • SSDEEP

    768:VcQAxkfTI51j117xGL06Rx/hythQKOwzt5GPA7wJdMNC:J1LIPxiRRhOQnwzt5mJdMQ

Score
7/10
discoverypersistence

Malware Config

Signatures

  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops file in System32 directory 2 IoCs
  • 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.

    discovery
  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:612
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff6cb0d86b0e3f177ac82233fffeb46f_JaffaCakes118.dll,#1
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:3160
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff6cb0d86b0e3f177ac82233fffeb46f_JaffaCakes118.dll,#1
        2⤵
        • Loads dropped DLL
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4068
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe C:\Windows\system32\efcDWPJc.dll,a
          3⤵
          • Loads dropped DLL
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          PID:3180

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\SysWOW64\efcDWPJc.dll
      Filesize

      37KB

      MD5

      ff6cb0d86b0e3f177ac82233fffeb46f

      SHA1

      b7c42075c85026b358a29fb7fb88e76ea413e30d

      SHA256

      3b7d19bc3b3d99a2c559ba31d69e2e2ab19d8c3896d70b791be61306724e0c72

      SHA512

      21997f28c27b95cd5b2e3143f0c0021421b0d18bc408af1e1eb73603476b6c2652b14e90b1cf73e36b45419ee9baaead03a6c1d12a6b4277ddaf33839d102e03

      Download Submit

    • memory/3180-15-0x0000000010000000-0x0000000010010000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3180-14-0x0000000010000000-0x0000000010010000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3180-16-0x0000000010000000-0x0000000010010000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4068-0-0x0000000010000000-0x0000000010010000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4068-7-0x0000000010000000-0x0000000010010000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4068-9-0x00000000014E0000-0x00000000014F0000-memory.dmp

      Filesize

      64KB

      Download