Analysis

  • max time kernel
    120s
  • max time network
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-07-2024 04:57

General

  • Target

    50454d6954463f1a1971d4f3714b62e0N.exe

  • Size

    8.7MB

  • MD5

    50454d6954463f1a1971d4f3714b62e0

  • SHA1

    2b3a9a4c30f6d15fedfaba0dd9f5cbf4c2f9df38

  • SHA256

    2a2b536fc29312cedbe7cbb445c2a8dbeaf1b7de929b8744dbc0bc317ffe325d

  • SHA512

    3862e6b144d387c6b3594b79ed830e5dc35114b2c28c8df62762a72bf175b748df5d2bd2b4daf15af06be9111458dd201144c1a8139e411f69ba64d5a2e9d3c0

  • SSDEEP

    196608:hCbGPZmVfjsCbGPZmVfjiCbGPZmVfjsCbGPZmVfj2CbGPZmVfjsCbGPZmVfjiCbI:0GmVNGmVrGmVNGmVnGmVNGmVrGmVNGm8

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

jjj

C2

youri.mooo.com:1605

Mutex

e936a10f968ac948cd351c9629dbd36d

Attributes
  • reg_key

    e936a10f968ac948cd351c9629dbd36d

  • splitter

    |'|'|

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.

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 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.

  • Modifies registry class 1 IoCs
  • NTFS ADS 4 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 21 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 50 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\50454d6954463f1a1971d4f3714b62e0N.exe
    "C:\Users\Admin\AppData\Local\Temp\50454d6954463f1a1971d4f3714b62e0N.exe"
    1⤵
    • Adds Run key to start application
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2828
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c start C:\PROGRA~3\50454D~1.TXT
      2⤵
      • Checks computer location settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2028
      • C:\Windows\SysWOW64\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\PROGRA~3\50454d6954463f1a1971d4f3714b62e0N.exe.txt
        3⤵
          PID:3668
      • C:\ProgramData\winmgr107.exe
        C:\ProgramData\winmgr107.exe
        2⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • NTFS ADS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3232
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
          0
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:528
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall add allowedprogram "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe" "RegAsm.exe" ENABLE
            4⤵
            • Modifies Windows Firewall
            • Event Triggered Execution: Netsh Helper DLL
            PID:3972
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:5116
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:1800
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:5048
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:3476
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:4984
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:312
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:392
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:3212
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:916
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2428
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2948
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:1244
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:5024
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:1216
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:3276
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:4108
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:4988
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2920
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:4644
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:3432
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:628
    • C:\ProgramData\winmgr107.exe
      C:\ProgramData\winmgr107.exe
      1⤵
      • Executes dropped EXE
      • NTFS ADS
      • Suspicious behavior: EnumeratesProcesses
      PID:2992
    • C:\ProgramData\winmgr107.exe
      C:\ProgramData\winmgr107.exe
      1⤵
      • Executes dropped EXE
      • NTFS ADS
      • Suspicious behavior: EnumeratesProcesses
      PID:1296

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\PROGRA~3\50454d6954463f1a1971d4f3714b62e0N.exe.txt

      Filesize

      992B

      MD5

      c8cf7247d4cfc99a7582a42d13df4c08

      SHA1

      317f5588af0b3b6374c436fb00084c522fd78a83

      SHA256

      78bd99781e971622f1573bccf2ae9cdd7a7498cf81c1875afc65913e1083b1d0

      SHA512

      5dd86b7ba388e5d2ad61b1c69589f42c36eec23a04b3cece0941133e0cf0e8a6f1f3aa2242d87af72db725b4b96032dadae72b3be98af3cfce5786ad8c08c357

    • C:\ProgramData\winmgr107.exe

      Filesize

      8.7MB

      MD5

      f825289627359ee809c0dc6c36eca8f3

      SHA1

      5d41dab6565c75aed18f16793b654c95b25a2598

      SHA256

      bc9e54f1fd2c52486823f7ebf0395be869bc3ca3e77c6184cf055165d8217aee

      SHA512

      df74d8fa878f74fc608ef35670ee333001f29d5fe7962308e51e79aaf611ca55fcf417150c755cffc43a7ff16fca123d3f6a81548810dddd2a2ab567a2a299a1

    • C:\Users\Admin\AppData\Local\Temp\50454d6954463f1a1971d4f3714b62e0N.exe

      Filesize

      8.7MB

      MD5

      50454d6954463f1a1971d4f3714b62e0

      SHA1

      2b3a9a4c30f6d15fedfaba0dd9f5cbf4c2f9df38

      SHA256

      2a2b536fc29312cedbe7cbb445c2a8dbeaf1b7de929b8744dbc0bc317ffe325d

      SHA512

      3862e6b144d387c6b3594b79ed830e5dc35114b2c28c8df62762a72bf175b748df5d2bd2b4daf15af06be9111458dd201144c1a8139e411f69ba64d5a2e9d3c0

    • memory/528-15-0x0000000001310000-0x000000000131C000-memory.dmp

      Filesize

      48KB