Analysis

  • max time kernel
    134s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 17:59

General

  • Target

    6bc99c9259b0ca643f1b50bba8b89fe1_JaffaCakes118.dll

  • Size

    268KB

  • MD5

    6bc99c9259b0ca643f1b50bba8b89fe1

  • SHA1

    a0c30bbddf4748169fb12a31a6bd6f1edbf65b61

  • SHA256

    c6bd354e37e1859fab140177e930ab7a2c2f3797e749b03631b76722c89627c8

  • SHA512

    c604ba302b5937eff65a23409285851dc667393f4900570fec622674285d76b5262f4797a64df98591cba89fa2d985aa1331137d60513ed960f446e23f493922

  • SSDEEP

    3072:sZrNm0q1UmGTUVjsY9vsVfYLVthu1aYYp1V92R1n6/0IU1D5nq6B:sqV+KDCVfenh+Qfg2/0V5n

Malware Config

Extracted

Family

cobaltstrike

Botnet

0

Attributes
  • watermark

    0

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\6bc99c9259b0ca643f1b50bba8b89fe1_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2724
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\6bc99c9259b0ca643f1b50bba8b89fe1_JaffaCakes118.dll,#1
      2⤵
        PID:3164
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3164 -s 564
          3⤵
          • Program crash
          PID:5076
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3164 -ip 3164
      1⤵
        PID:3620

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3164-0-0x0000000010000000-0x0000000010043000-memory.dmp
        Filesize

        268KB