Analysis

  • max time kernel
    252s
  • max time network
    254s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    24/07/2024, 15:59

Errors

Reason
Machine shutdown

General

  • Target
    Server.exe
  • Size 43KB
  • Sample240724-tfayjsxdnc
  • SHA256 a7186967c2a0b62ec5c9bb0a864e9edfddebe3fcf0340a98f7c3b3589f48c097
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • njrat

Version
  • Njrat 0.7 Golden By Hassan Amiri

Botnet
  • HacKed

C2
  • insurance-helmet.gl.at.ply.gg:31388

Mutex
  • Windows Update

Attributes
  • reg_key

    Windows Update

  • splitter

    |Hassan|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • 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.

  • Modifies data under HKEY_USERS 15 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 63 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Server.exe
    "C:\Users\Admin\AppData\Local\Temp\Server.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4468
    • C:\Windows\SysWOW64\shutdown.exe
      shutdown -s -t 00
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4048
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x0 /state0:0xa3ae9855 /state1:0x41c64e6d
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:4908

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4468-0-0x00000000732AE000-0x00000000732AF000-memory.dmp

        memory/4468-1-0x0000000000F40000-0x0000000000F52000-memory.dmp

        memory/4468-2-0x0000000005760000-0x00000000057FC000-memory.dmp

        memory/4468-3-0x0000000005F60000-0x000000000645E000-memory.dmp

        memory/4468-4-0x0000000005B80000-0x0000000005C12000-memory.dmp

        memory/4468-5-0x00000000732A0000-0x000000007398E000-memory.dmp

        memory/4468-6-0x0000000005B60000-0x0000000005B6A000-memory.dmp

        memory/4468-7-0x0000000005E00000-0x0000000005E66000-memory.dmp

        memory/4468-8-0x0000000006BF0000-0x0000000006C08000-memory.dmp

        memory/4468-9-0x00000000732AE000-0x00000000732AF000-memory.dmp

        memory/4468-10-0x00000000732A0000-0x000000007398E000-memory.dmp

        memory/4468-11-0x0000000001350000-0x0000000001366000-memory.dmp

        memory/4468-12-0x00000000732A0000-0x000000007398E000-memory.dmp