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Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26/06/2024, 20:46

General

  • Target

    1364c154f89e29d21b2777233cec8017_JaffaCakes118.dll

  • Size

    31KB

  • MD5

    1364c154f89e29d21b2777233cec8017

  • SHA1

    03de4db2a7f0b7fff31f2cfbde818b5bb59e8c1f

  • SHA256

    424b01b39ccd257fa8fdaf40ebba3b9cd499420738b7d16395d664779c6f2df5

  • SHA512

    edf98059d2d696e315bd144d1c8ac2fa76e44ca3b88cd781ff75dbd1ba546cd98dd047040c457137e01993e1ff12d24c7ec1aa07efcfb6c68ef994474ed16d6f

  • SSDEEP

    768:2Mg0WzDlSSbxaRiZeSoV90z3oIYneRR11qvWvL:pW9PbdZmV9o3keRR11GeL

Malware Config

Signatures

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Drops file in Windows directory 2 IoCs
  • Access Token Manipulation: Create Process with Token 1 TTPs 1 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\1364c154f89e29d21b2777233cec8017_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2972
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\1364c154f89e29d21b2777233cec8017_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:280
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32 "C:\Windows\pdfshlex.dll",_RunAs@16
        3⤵
        • Drops file in System32 directory
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Access Token Manipulation: Create Process with Token
        • Suspicious behavior: EnumeratesProcesses
        PID:2052

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\pdfshlex.dll

    Filesize

    31KB

    MD5

    1364c154f89e29d21b2777233cec8017

    SHA1

    03de4db2a7f0b7fff31f2cfbde818b5bb59e8c1f

    SHA256

    424b01b39ccd257fa8fdaf40ebba3b9cd499420738b7d16395d664779c6f2df5

    SHA512

    edf98059d2d696e315bd144d1c8ac2fa76e44ca3b88cd781ff75dbd1ba546cd98dd047040c457137e01993e1ff12d24c7ec1aa07efcfb6c68ef994474ed16d6f

  • memory/280-0-0x0000000010000000-0x0000000010056000-memory.dmp

    Filesize

    344KB

  • memory/280-1-0x0000000010000000-0x0000000010056000-memory.dmp

    Filesize

    344KB

  • memory/280-3-0x0000000010024000-0x0000000010025000-memory.dmp

    Filesize

    4KB

  • memory/280-2-0x0000000010000000-0x0000000010056000-memory.dmp

    Filesize

    344KB

  • memory/280-8-0x0000000010000000-0x0000000010056000-memory.dmp

    Filesize

    344KB

  • memory/2052-7-0x0000000010000000-0x0000000010056000-memory.dmp

    Filesize

    344KB

  • memory/2052-9-0x0000000010000000-0x0000000010056000-memory.dmp

    Filesize

    344KB

  • memory/2052-10-0x0000000010000000-0x0000000010056000-memory.dmp

    Filesize

    344KB

  • memory/2052-15-0x0000000010000000-0x0000000010056000-memory.dmp

    Filesize

    344KB