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Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2024, 20:52

General

  • Target

    JaffaCakes118_364aa1efa31842295e6290d352390bb6.exe

  • Size

    157KB

  • MD5

    364aa1efa31842295e6290d352390bb6

  • SHA1

    d2e9f7fd925e2edcd2b8c8cc033e189c3d7e0a6c

  • SHA256

    73622b111abdbe9b630dfcadb41ffe073e9bd4dd8155751c489574eb9e5e2c0b

  • SHA512

    b39b1925a19e08bacef960190a9d5693598ad2152d96afe67025111ad8095b82cf824be9c0a20a85f3754b797e9f81b3a98dfc9365e5328f16ad164c0ac61bef

  • SSDEEP

    3072:qztOcOYZTBjW6WLPK7wIWCZZ+lHG3qwvwLj18FACXL41vrZ2r:qdjYzifilm6wv48F5bpr

Malware Config

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs
  • Drops file in Windows directory 1 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_364aa1efa31842295e6290d352390bb6.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_364aa1efa31842295e6290d352390bb6.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1696
    • C:\Windows\WindowsServices.exe
      "C:\Windows\WindowsServices.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:2424
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Windows\WindowsServices.exe" "WindowsServices.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:3068

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\WindowsServices.exe

    Filesize

    157KB

    MD5

    364aa1efa31842295e6290d352390bb6

    SHA1

    d2e9f7fd925e2edcd2b8c8cc033e189c3d7e0a6c

    SHA256

    73622b111abdbe9b630dfcadb41ffe073e9bd4dd8155751c489574eb9e5e2c0b

    SHA512

    b39b1925a19e08bacef960190a9d5693598ad2152d96afe67025111ad8095b82cf824be9c0a20a85f3754b797e9f81b3a98dfc9365e5328f16ad164c0ac61bef

  • memory/1696-0-0x0000000074D11000-0x0000000074D12000-memory.dmp

    Filesize

    4KB

  • memory/1696-1-0x0000000074D10000-0x00000000752BB000-memory.dmp

    Filesize

    5.7MB

  • memory/1696-2-0x0000000074D10000-0x00000000752BB000-memory.dmp

    Filesize

    5.7MB

  • memory/1696-11-0x0000000074D10000-0x00000000752BB000-memory.dmp

    Filesize

    5.7MB