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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
    07/02/2025, 12:36

General

  • Target

    Payload.exe

  • Size

    83KB

  • MD5

    534f369ccf6412aedd991e525a1e72ff

  • SHA1

    7ac06b4a71634ea87c47aa4d95debaea98728d59

  • SHA256

    bd3ef02621b16846e829e9d7274553abfdeb189153a881c15b70f6e3b2f4ee8f

  • SHA512

    fab8374a454d0cfe7b48439fb84337216056124889d8f882007fec18555cf97c96bbcbedaf59c3b56f25198c5dc00c7d0427f8fe72875c57538c54fdec7eb281

  • SSDEEP

    1536:7eB1Gt0g5eEkG9WQcGDWX3xIEpmugSgytVlVqKu0UxYy0hAc:o1GtR1kG9WQnDWX3xIEpmsLRVqKnUxXB

Malware Config

Extracted

Family

njrat

Version

<- NjRAT 0.7d Horror Edition ->

Botnet

Victim

C2

staff-tunisia.gl.at.ply.gg:47744

Mutex

3deffefe0e2775360ccb15d96c6aeb42

Attributes
  • reg_key

    3deffefe0e2775360ccb15d96c6aeb42

  • splitter

    Y262SUCZ4UJJ

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Stops running service(s) 4 TTPs
  • Drops startup file 3 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • Drops file in System32 directory 1 IoCs
  • Launches sc.exe 6 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 26 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 34 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payload.exe
    "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1420
    • C:\Users\Admin\AppData\Roaming\dllhost.exe
      "C:\Users\Admin\AppData\Roaming\dllhost.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2704
      • C:\Windows\SysWOW64\attrib.exe
        attrib +h "C:\Users\Admin\AppData\Roaming\dllhost.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:3032
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1048
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell Set-MpPreference -DisableRealtimeMonitoring $true
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2540
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c sc query windefend
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3004
        • C:\Windows\SysWOW64\sc.exe
          sc query windefend
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:2072
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c sc stop windefend
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2368
        • C:\Windows\SysWOW64\sc.exe
          sc stop windefend
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:1704
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c sc delete windefend
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1684
        • C:\Windows\SysWOW64\sc.exe
          sc delete windefend
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:2876
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /delete /tn CleanSweepCheck /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2892
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn CleanSweepCheck /tr C:\Users\Admin\AppData\Roaming\dllhost.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2904
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {788C080E-AD0F-418A-82D4-546722F1D25B} S-1-5-21-2872745919-2748461613-2989606286-1000:CCJBVTGQ\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2860
    • C:\Users\Admin\AppData\Roaming\dllhost.exe
      C:\Users\Admin\AppData\Roaming\dllhost.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1760
    • C:\Users\Admin\AppData\Roaming\dllhost.exe
      C:\Users\Admin\AppData\Roaming\dllhost.exe
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2392
      • C:\Windows\SysWOW64\attrib.exe
        attrib +h "C:\Users\Admin\AppData\Roaming\dllhost.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:468
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1644
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell Set-MpPreference -DisableRealtimeMonitoring $true
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2768
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c sc query windefend
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2636
        • C:\Windows\SysWOW64\sc.exe
          sc query windefend
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:2212
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c sc stop windefend
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3036
        • C:\Windows\SysWOW64\sc.exe
          sc stop windefend
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:3040
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c sc delete windefend
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2460
        • C:\Windows\SysWOW64\sc.exe
          sc delete windefend
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:588
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /delete /tn CleanSweepCheck /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:308
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn CleanSweepCheck /tr C:\Users\Admin\AppData\Roaming\dllhost.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2304

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    00956c27ee2e7ed0dab9b1810d96f1ee

    SHA1

    8b3525601e25672b42392318d4a4522701995a2f

    SHA256

    4465ab4372c23ee91b4eeedbb0df5032a8afad5b19a86518e625bcf2075a8a39

    SHA512

    a30dcf63281b1c9b9833613cf5f1a9e6b3a817bd86c82e9e5010bc22c600df993a9f0d477c094d090c90e3d2cd2a893ef30c3b637c2bc29313edb08fb97999c3

  • \Users\Admin\AppData\Roaming\dllhost.exe

    Filesize

    83KB

    MD5

    534f369ccf6412aedd991e525a1e72ff

    SHA1

    7ac06b4a71634ea87c47aa4d95debaea98728d59

    SHA256

    bd3ef02621b16846e829e9d7274553abfdeb189153a881c15b70f6e3b2f4ee8f

    SHA512

    fab8374a454d0cfe7b48439fb84337216056124889d8f882007fec18555cf97c96bbcbedaf59c3b56f25198c5dc00c7d0427f8fe72875c57538c54fdec7eb281

  • memory/1420-0-0x0000000074AB1000-0x0000000074AB2000-memory.dmp

    Filesize

    4KB

  • memory/1420-1-0x0000000074AB0000-0x000000007505B000-memory.dmp

    Filesize

    5.7MB

  • memory/1420-2-0x0000000074AB0000-0x000000007505B000-memory.dmp

    Filesize

    5.7MB

  • memory/1420-11-0x0000000074AB0000-0x000000007505B000-memory.dmp

    Filesize

    5.7MB

  • memory/2704-10-0x0000000074AB0000-0x000000007505B000-memory.dmp

    Filesize

    5.7MB

  • memory/2704-12-0x0000000074AB0000-0x000000007505B000-memory.dmp

    Filesize

    5.7MB

  • memory/2704-16-0x0000000074AB0000-0x000000007505B000-memory.dmp

    Filesize

    5.7MB

  • memory/2704-19-0x0000000074AB0000-0x000000007505B000-memory.dmp

    Filesize

    5.7MB