Analysis

  • max time kernel
    119s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-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
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • AutoIT Executable 1 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.

  • NTFS ADS 3 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 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 25 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⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2160
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c start C:\PROGRA~3\50454D~1.TXT
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2072
      • C:\Windows\SysWOW64\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\PROGRA~3\50454d6954463f1a1971d4f3714b62e0N.exe.txt
        3⤵
          PID:2180
      • 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:2772
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
          0
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2592
          • 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:2344
        • 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:2688
        • 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:2492
        • 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:2256
        • 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:2516
        • 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:2528
        • 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:1408
        • 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:2312
        • 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:2016
        • 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:1988
        • 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:1752
        • 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:1760
        • 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:1964
        • 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:324
        • 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:1164
        • 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:2936
        • 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:1312
        • 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:580
        • 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:1092
        • 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:1740
        • 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:3060
        • 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:2448
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {42EAF562-E836-4BFF-9364-CF653CF9BE49} S-1-5-21-940600906-3464502421-4240639183-1000:MGWWAYYN\Admin:Interactive:[1]
      1⤵
        PID:2544
        • C:\ProgramData\winmgr107.exe
          C:\ProgramData\winmgr107.exe
          2⤵
          • Executes dropped EXE
          • NTFS ADS
          • Suspicious behavior: EnumeratesProcesses
          PID:2784

      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

      • \ProgramData\winmgr107.exe

        Filesize

        8.7MB

        MD5

        b4d0123a1d9b0b2523504df45d689401

        SHA1

        c9d5aec232d42e32d0e5fa1c1542c05545baeb90

        SHA256

        65376ee04b618d0903627ac2c5531243b1bad81a467034c6c1dfe6690a293d6c

        SHA512

        ec09d8ac2465f3f5813242ed59b1691936c903099969264685ded60a65cccf2d816f9018a0b8b34096c80a9b07a7585349453433a2421b5740522f8c0cd5c10a

      • memory/2072-9-0x0000000002540000-0x0000000002640000-memory.dmp

        Filesize

        1024KB

      • memory/2592-25-0x0000000000090000-0x000000000009C000-memory.dmp

        Filesize

        48KB

      • memory/2592-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2592-27-0x0000000000090000-0x000000000009C000-memory.dmp

        Filesize

        48KB

      • memory/2592-29-0x0000000000090000-0x000000000009C000-memory.dmp

        Filesize

        48KB

      • memory/2592-28-0x0000000000090000-0x000000000009C000-memory.dmp

        Filesize

        48KB