Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-05-2024 09:37

General

  • Target

    80496ed45fd4d93eb47080a991bd5f7b_JaffaCakes118.exe

  • Size

    23KB

  • MD5

    80496ed45fd4d93eb47080a991bd5f7b

  • SHA1

    aa599254505a2815f01bd1ef934798507d0360d6

  • SHA256

    01b836a07d7ca886f4124815d2e26a7c6e4b710e2e2297a43d30a61521b36cea

  • SHA512

    77ee2a39a2c0b6d46e0a2ac43319d45383ac2494a83a226f434425118bb76d6c3331606f5183ec6144d180914800131368f5b26783e3dbeaf3fa66ec2bf1427b

  • SSDEEP

    384:m9LGxbWRa4Loa1MplQSmucW+EQ6Sg8KtTfyrqmRvR6JZlbw8hqIusZzZlrGz:3xbZailz7YRpcnusrG

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\80496ed45fd4d93eb47080a991bd5f7b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\80496ed45fd4d93eb47080a991bd5f7b_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:732
    • C:\Users\Admin\AppData\Local\Temp\knsas.exe
      "C:\Users\Admin\AppData\Local\Temp\knsas.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2016
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\knsas.exe" "knsas.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:4532
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3756,i,13879737908471496610,15335851594401413307,262144 --variations-seed-version --mojo-platform-channel-handle=4296 /prefetch:8
    1⤵
      PID:4396

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\knsas.exe

      Filesize

      23KB

      MD5

      80496ed45fd4d93eb47080a991bd5f7b

      SHA1

      aa599254505a2815f01bd1ef934798507d0360d6

      SHA256

      01b836a07d7ca886f4124815d2e26a7c6e4b710e2e2297a43d30a61521b36cea

      SHA512

      77ee2a39a2c0b6d46e0a2ac43319d45383ac2494a83a226f434425118bb76d6c3331606f5183ec6144d180914800131368f5b26783e3dbeaf3fa66ec2bf1427b

    • memory/732-0-0x0000000075382000-0x0000000075383000-memory.dmp

      Filesize

      4KB

    • memory/732-1-0x0000000075380000-0x0000000075931000-memory.dmp

      Filesize

      5.7MB

    • memory/732-2-0x0000000075380000-0x0000000075931000-memory.dmp

      Filesize

      5.7MB

    • memory/732-13-0x0000000075380000-0x0000000075931000-memory.dmp

      Filesize

      5.7MB

    • memory/2016-12-0x0000000075380000-0x0000000075931000-memory.dmp

      Filesize

      5.7MB

    • memory/2016-14-0x0000000075380000-0x0000000075931000-memory.dmp

      Filesize

      5.7MB

    • memory/2016-16-0x0000000075380000-0x0000000075931000-memory.dmp

      Filesize

      5.7MB