Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/11/2024, 14:36

General

  • Target
    9A9E86899EB8F8279DFB72133BE528E0.exe
  • Size 749KB
  • Sample241129-ryj8ts1jcs
  • SHA256 ba5fae13322d5151dfb348ac1a2abc92d021617c154ef9d1e4efc70bf7fdf03b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • njrat

Version
  • v4.0

Botnet
  • HacKed

C2
  • 103.186.117.182:7788

Mutex
  • Windows

Attributes
  • reg_key

    Windows

  • splitter

    |-F-|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 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 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9A9E86899EB8F8279DFB72133BE528E0.exe
    "C:\Users\Admin\AppData\Local\Temp\9A9E86899EB8F8279DFB72133BE528E0.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3248
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\9A9E86899EB8F8279DFB72133BE528E0.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4284
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ftKGjgysboAao.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2580
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ftKGjgysboAao" /XML "C:\Users\Admin\AppData\Local\Temp\tmp19DC.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1980
    • C:\Users\Admin\AppData\Local\Temp\9A9E86899EB8F8279DFB72133BE528E0.exe
      "C:\Users\Admin\AppData\Local\Temp\9A9E86899EB8F8279DFB72133BE528E0.exe"
      2⤵
      • Drops startup file
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4760

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 7aa5e489e0920646140933310fd0b83e4d4907d274ba008708b5d1f602646cbd
        • MD5 SHA1 SHA512 SSDEEP

        __PSScriptPolicyTest_zxmczjsw.r2n.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zxmczjsw.r2n.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        tmp19DC.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp19DC.tmp
        • Size 1KB
        • SHA256 741c6d0ed17d57f8b0d1b89ed2aab392f3b54b275542be62baa37b11898ad300
        • MD5 SHA1 SHA512

        memory/2580-80-0x0000000007460000-0x0000000007471000-memory.dmp

        memory/2580-19-0x0000000074940000-0x00000000750F0000-memory.dmp

        memory/2580-45-0x0000000074940000-0x00000000750F0000-memory.dmp

        memory/2580-52-0x00000000064F0000-0x000000000653C000-memory.dmp

        memory/2580-35-0x0000000074940000-0x00000000750F0000-memory.dmp

        memory/2580-51-0x0000000005F40000-0x0000000005F5E000-memory.dmp

        memory/2580-66-0x00000000751F0000-0x000000007523C000-memory.dmp

        memory/2580-82-0x00000000074A0000-0x00000000074B4000-memory.dmp

        memory/2580-90-0x0000000074940000-0x00000000750F0000-memory.dmp

        memory/2580-84-0x0000000007580000-0x0000000007588000-memory.dmp

        memory/3248-10-0x0000000006BE0000-0x0000000006C32000-memory.dmp

        memory/3248-3-0x00000000052D0000-0x0000000005362000-memory.dmp

        memory/3248-4-0x00000000052B0000-0x00000000052BA000-memory.dmp

        memory/3248-0-0x000000007494E000-0x000000007494F000-memory.dmp

        memory/3248-50-0x0000000074940000-0x00000000750F0000-memory.dmp

        memory/3248-2-0x0000000005880000-0x0000000005E24000-memory.dmp

        memory/3248-1-0x00000000007F0000-0x00000000008AE000-memory.dmp

        memory/3248-5-0x0000000074940000-0x00000000750F0000-memory.dmp

        memory/3248-9-0x0000000074940000-0x00000000750F0000-memory.dmp

        memory/3248-8-0x000000007494E000-0x000000007494F000-memory.dmp

        memory/3248-7-0x0000000005410000-0x0000000005422000-memory.dmp

        memory/3248-6-0x0000000005540000-0x00000000055DC000-memory.dmp

        memory/4284-15-0x0000000002E60000-0x0000000002E96000-memory.dmp

        memory/4284-79-0x0000000007CE0000-0x0000000007D76000-memory.dmp

        memory/4284-34-0x00000000060F0000-0x0000000006444000-memory.dmp

        memory/4284-53-0x0000000007700000-0x0000000007732000-memory.dmp

        memory/4284-54-0x00000000751F0000-0x000000007523C000-memory.dmp

        memory/4284-64-0x0000000006D10000-0x0000000006D2E000-memory.dmp

        memory/4284-65-0x0000000007740000-0x00000000077E3000-memory.dmp

        memory/4284-33-0x0000000074940000-0x00000000750F0000-memory.dmp

        memory/4284-76-0x00000000080B0000-0x000000000872A000-memory.dmp

        memory/4284-77-0x0000000007A60000-0x0000000007A7A000-memory.dmp

        memory/4284-78-0x0000000007AD0000-0x0000000007ADA000-memory.dmp

        memory/4284-16-0x0000000074940000-0x00000000750F0000-memory.dmp

        memory/4284-20-0x0000000005880000-0x00000000058A2000-memory.dmp

        memory/4284-81-0x0000000007C90000-0x0000000007C9E000-memory.dmp

        memory/4284-22-0x0000000005FF0000-0x0000000006056000-memory.dmp

        memory/4284-83-0x0000000007DA0000-0x0000000007DBA000-memory.dmp

        memory/4284-21-0x0000000005F80000-0x0000000005FE6000-memory.dmp

        memory/4284-18-0x0000000074940000-0x00000000750F0000-memory.dmp

        memory/4284-17-0x00000000058E0000-0x0000000005F08000-memory.dmp

        memory/4284-91-0x0000000074940000-0x00000000750F0000-memory.dmp

        memory/4760-46-0x0000000000400000-0x000000000040E000-memory.dmp