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Analysis

  • max time kernel
    112s
  • max time network
    71s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02/02/2025, 02:58

General

  • Target

    0d936f1998c4af40879e795549e5ff68682c7d9b884fb0cc0c135c30348292d3.exe

  • Size

    72KB

  • MD5

    f52133dd61f5a0001aa4a89809894a17

  • SHA1

    9099ce1cbd442ba584cb06a87ef9bec77abbf093

  • SHA256

    0d936f1998c4af40879e795549e5ff68682c7d9b884fb0cc0c135c30348292d3

  • SHA512

    8dbe8e41e8fd6057cc72ba69263b3f35690eadb88b6c3f94fbaa9789d40920be7e2e2cb3d4ef5a7c18a820e7f272472067869ff34495a30b32c301834349a32c

  • SSDEEP

    1536:D2CPAabgGGjSBekWDbSHqtPTOt3tIUBGqqocBQN9f2xPs7aW:iC42xGj7kWIqtPTOtdVBGq+g9qPs+W

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

127.0.0.1:5552

Mutex

Windows Update

Attributes
  • reg_key

    Windows Update

  • splitter

    |Hassan|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Executes dropped EXE 2 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

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

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\0d936f1998c4af40879e795549e5ff68682c7d9b884fb0cc0c135c30348292d3.exe
    "C:\Users\Admin\AppData\Local\Temp\0d936f1998c4af40879e795549e5ff68682c7d9b884fb0cc0c135c30348292d3.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1804
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '0d936f1998c4af40879e795549e5ff68682c7d9b884fb0cc0c135c30348292d3.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2804
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\0d936f1998c4af40879e795549e5ff68682c7d9b884fb0cc0c135c30348292d3.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2744
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\0d936f1998c4af40879e795549e5ff68682c7d9b884fb0cc0c135c30348292d3.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2344
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /rl highest /tn "0d936f1998c4af40879e795549e5ff68682c7d9b884fb0cc0c135c30348292d3" /tr "C:\ProgramData\0d936f1998c4af40879e795549e5ff68682c7d9b884fb0cc0c135c30348292d3.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:1088
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {4A5842BA-44FD-4563-A923-0DED17955275} S-1-5-21-3063565911-2056067323-3330884624-1000:KHBTHJFA\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\ProgramData\0d936f1998c4af40879e795549e5ff68682c7d9b884fb0cc0c135c30348292d3.exe
      C:\ProgramData\0d936f1998c4af40879e795549e5ff68682c7d9b884fb0cc0c135c30348292d3.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2372
    • C:\ProgramData\0d936f1998c4af40879e795549e5ff68682c7d9b884fb0cc0c135c30348292d3.exe
      C:\ProgramData\0d936f1998c4af40879e795549e5ff68682c7d9b884fb0cc0c135c30348292d3.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2592

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\0d936f1998c4af40879e795549e5ff68682c7d9b884fb0cc0c135c30348292d3.exe

    Filesize

    72KB

    MD5

    f52133dd61f5a0001aa4a89809894a17

    SHA1

    9099ce1cbd442ba584cb06a87ef9bec77abbf093

    SHA256

    0d936f1998c4af40879e795549e5ff68682c7d9b884fb0cc0c135c30348292d3

    SHA512

    8dbe8e41e8fd6057cc72ba69263b3f35690eadb88b6c3f94fbaa9789d40920be7e2e2cb3d4ef5a7c18a820e7f272472067869ff34495a30b32c301834349a32c

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

    Filesize

    7KB

    MD5

    75506e2bdde917d97e901e47af4b2a86

    SHA1

    82b1da09836c232c59eb07b6b9d0bf589cb218f4

    SHA256

    ca240602c9c0c147eece103ccb5a4a43b509727ab36bf65a055edfe69c753417

    SHA512

    bdf7b974455991ae06fc84dbb23b0578dc4138475de4fc4bf89b14d0028b84726331ae433242567603d4428c6b6d1066caabb5071095d58e6224b9a4c000cb92

  • memory/1804-3-0x000007FEF5C60000-0x000007FEF65FD000-memory.dmp

    Filesize

    9.6MB

  • memory/1804-0-0x000007FEF5F1E000-0x000007FEF5F1F000-memory.dmp

    Filesize

    4KB

  • memory/1804-2-0x000007FEF5C60000-0x000007FEF65FD000-memory.dmp

    Filesize

    9.6MB

  • memory/1804-23-0x000000001AF10000-0x000000001AF22000-memory.dmp

    Filesize

    72KB

  • memory/1804-24-0x000007FEF5C60000-0x000007FEF65FD000-memory.dmp

    Filesize

    9.6MB

  • memory/1804-25-0x000007FEF5C60000-0x000007FEF65FD000-memory.dmp

    Filesize

    9.6MB

  • memory/1804-1-0x000007FEF5C60000-0x000007FEF65FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2744-15-0x000000001B550000-0x000000001B832000-memory.dmp

    Filesize

    2.9MB

  • memory/2744-16-0x0000000001EF0000-0x0000000001EF8000-memory.dmp

    Filesize

    32KB

  • memory/2804-8-0x000000001B5F0000-0x000000001B8D2000-memory.dmp

    Filesize

    2.9MB

  • memory/2804-9-0x0000000002790000-0x0000000002798000-memory.dmp

    Filesize

    32KB