Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/08/2024, 22:59

General

  • Target

    c5e52f77107a568815714b35f88edc2e_JaffaCakes118.exe

  • Size

    23KB

  • MD5

    c5e52f77107a568815714b35f88edc2e

  • SHA1

    8c62ebd988215c3427d2bfb33bf933cf9b85aa4b

  • SHA256

    17131a50733a1f1adf11fe99b52ec18c8ce4988b95a6aa9541879741ec2aa918

  • SHA512

    e02b7ffbcf6a6375f9c87275108b7ebd8c7d69fbb23bd3d2dc8bf55edd41d2b8d0a1719ae0f7a6bd29dc3c582afc225f8004d5248d01a9e9a3b08a79cb6f8b78

  • SSDEEP

    384:zQeCo2zmZbQHkJeCdUwBvQ61gjuQBnB9mRvR6JZlbw8hqIusZzZCd:k5yBVd7RpcnuZ

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).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\c5e52f77107a568815714b35f88edc2e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c5e52f77107a568815714b35f88edc2e_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1884
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1456
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2576

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    23KB

    MD5

    c5e52f77107a568815714b35f88edc2e

    SHA1

    8c62ebd988215c3427d2bfb33bf933cf9b85aa4b

    SHA256

    17131a50733a1f1adf11fe99b52ec18c8ce4988b95a6aa9541879741ec2aa918

    SHA512

    e02b7ffbcf6a6375f9c87275108b7ebd8c7d69fbb23bd3d2dc8bf55edd41d2b8d0a1719ae0f7a6bd29dc3c582afc225f8004d5248d01a9e9a3b08a79cb6f8b78

  • memory/1456-12-0x00000000746E0000-0x0000000074C91000-memory.dmp

    Filesize

    5.7MB

  • memory/1456-14-0x00000000746E0000-0x0000000074C91000-memory.dmp

    Filesize

    5.7MB

  • memory/1456-16-0x00000000746E0000-0x0000000074C91000-memory.dmp

    Filesize

    5.7MB

  • memory/1884-0-0x00000000746E2000-0x00000000746E3000-memory.dmp

    Filesize

    4KB

  • memory/1884-1-0x00000000746E0000-0x0000000074C91000-memory.dmp

    Filesize

    5.7MB

  • memory/1884-2-0x00000000746E0000-0x0000000074C91000-memory.dmp

    Filesize

    5.7MB

  • memory/1884-13-0x00000000746E0000-0x0000000074C91000-memory.dmp

    Filesize

    5.7MB