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Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2024, 14:26

General

  • Target

    JaffaCakes118_38be2b542ed164bfb270dee0b16ab573e0c362233b8389918384f923415d2709.exe

  • Size

    158KB

  • MD5

    ba367fe429acd04b12c91deb12ffbac2

  • SHA1

    2d186f231e9589ca849c5a95a0179b98cf990fb8

  • SHA256

    38be2b542ed164bfb270dee0b16ab573e0c362233b8389918384f923415d2709

  • SHA512

    cb61e2e31142feb39b40a2adbbacc0788e887d635a63860f74fd3001da884bd228279425b6abd6e6bdc386a71807ed11ce68a82a6a16537426d755ee3829b322

  • SSDEEP

    3072:AzCIfGRHNAXfagE58LcCnPzjsc0qsMLl10ZApDeP5m+KTAp:7NAvVEO1nLgUsm0ZsyB8

Malware Config

Signatures

  • Njrat family
  • 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
  • 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_38be2b542ed164bfb270dee0b16ab573e0c362233b8389918384f923415d2709.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_38be2b542ed164bfb270dee0b16ab573e0c362233b8389918384f923415d2709.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4648
    • 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:4956
      • 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:556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\WindowsServices.exe

    Filesize

    158KB

    MD5

    ba367fe429acd04b12c91deb12ffbac2

    SHA1

    2d186f231e9589ca849c5a95a0179b98cf990fb8

    SHA256

    38be2b542ed164bfb270dee0b16ab573e0c362233b8389918384f923415d2709

    SHA512

    cb61e2e31142feb39b40a2adbbacc0788e887d635a63860f74fd3001da884bd228279425b6abd6e6bdc386a71807ed11ce68a82a6a16537426d755ee3829b322

  • memory/4648-0-0x0000000075582000-0x0000000075583000-memory.dmp

    Filesize

    4KB

  • memory/4648-1-0x0000000075580000-0x0000000075B31000-memory.dmp

    Filesize

    5.7MB

  • memory/4648-2-0x0000000075580000-0x0000000075B31000-memory.dmp

    Filesize

    5.7MB

  • memory/4648-13-0x0000000075580000-0x0000000075B31000-memory.dmp

    Filesize

    5.7MB

  • memory/4956-12-0x0000000075580000-0x0000000075B31000-memory.dmp

    Filesize

    5.7MB

  • memory/4956-15-0x0000000075580000-0x0000000075B31000-memory.dmp

    Filesize

    5.7MB

  • memory/4956-14-0x0000000075580000-0x0000000075B31000-memory.dmp

    Filesize

    5.7MB

  • memory/4956-17-0x0000000075580000-0x0000000075B31000-memory.dmp

    Filesize

    5.7MB

  • memory/4956-18-0x0000000075580000-0x0000000075B31000-memory.dmp

    Filesize

    5.7MB

  • memory/4956-19-0x0000000075580000-0x0000000075B31000-memory.dmp

    Filesize

    5.7MB