Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    18-06-2024 13:49

General

  • Target

    bc4698c570801cad5abd33dfd924dbcf_JaffaCakes118.dll

  • Size

    164KB

  • MD5

    bc4698c570801cad5abd33dfd924dbcf

  • SHA1

    dbcb886ee0b18a9b52d86c0c5419974e2252fdd2

  • SHA256

    1339249b5c799cd64f2c6f3695a8b912daac4329630d0d1d1bd77ae41a8be542

  • SHA512

    ff2fa0a4b1670236a5df9812025fbaeda1b1e61811c9d12052f59cba296b786898c969c68090cc756ce1c942df4a234cab87a03bbf02fafe0db3985e67deedf5

  • SSDEEP

    3072:AZPM0OGdUKV10OTed7/kBazzFbULB3VgslIYBj:AZPMnGZVyO6F/M4qRVgsIYB

Malware Config

Signatures

  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Interacts with shadow copies 3 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 15 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\bc4698c570801cad5abd33dfd924dbcf_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc4698c570801cad5abd33dfd924dbcf_JaffaCakes118.dll,#1
      2⤵
      • Enumerates connected drives
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2384
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c vssadmin.exe Delete Shadows /All /Quiet & bcdedit /set {default} recoveryenabled No & bcdedit /set {default} bootstatuspolicy ignoreallfailures
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2996
        • C:\Windows\SysWOW64\vssadmin.exe
          vssadmin.exe Delete Shadows /All /Quiet
          4⤵
          • Interacts with shadow copies
          PID:2700
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:2416
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2896

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads