Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-12-2024 05:29

General

  • Target

    JaffaCakes118_50c14c089bdc8f84c4379455b260f57908c4bf94e14a31883ebf0bc53f97f595.exe

  • Size

    157KB

  • MD5

    b48886bf2d4ef932e3a876787d1ecd86

  • SHA1

    2764dc9a337739bbdb066cb5969488a975e0b7c2

  • SHA256

    50c14c089bdc8f84c4379455b260f57908c4bf94e14a31883ebf0bc53f97f595

  • SHA512

    b3c5160f14c49c3d1201ad60130fd61fd994aa4d5b4d56e5156baec62c652f6e7dfb892b5e34bf75a57661894e1b69e209a081a46ff2dee78244d46f86653f77

  • SSDEEP

    3072:HydqYv+MxqQDTkyoHaO/MJV0ehx1mnAU+bKh:HKx7DTXA6mnR

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
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • 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 2 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 37 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_50c14c089bdc8f84c4379455b260f57908c4bf94e14a31883ebf0bc53f97f595.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_50c14c089bdc8f84c4379455b260f57908c4bf94e14a31883ebf0bc53f97f595.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2156
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_50c14c089bdc8f84c4379455b260f57908c4bf94e14a31883ebf0bc53f97f595.exe" "JaffaCakes118_50c14c089bdc8f84c4379455b260f57908c4bf94e14a31883ebf0bc53f97f595.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:2364

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2156-0-0x0000000074541000-0x0000000074542000-memory.dmp

    Filesize

    4KB

  • memory/2156-2-0x0000000074540000-0x0000000074AEB000-memory.dmp

    Filesize

    5.7MB

  • memory/2156-1-0x0000000074540000-0x0000000074AEB000-memory.dmp

    Filesize

    5.7MB

  • memory/2156-6-0x0000000074540000-0x0000000074AEB000-memory.dmp

    Filesize

    5.7MB

  • memory/2156-7-0x0000000074540000-0x0000000074AEB000-memory.dmp

    Filesize

    5.7MB