Overview

overview

10

Static

static

10

Perm-spofer.exe

windows7-x64

10

Perm-spofer.exe

windows10-2004-x64

10

Resubmissions

22/01/2025, 15:52

250122-ta7ekavler10

22/01/2025, 15:47

250122-s8lp3stlev10

Analysis

  • max time kernel
    94s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/01/2025, 15:47

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General

  • Target
    Perm-spofer.exe
  • Size 68KB
  • Sample250122-s8lp3stlev
  • SHA256 c54762e7cfed04c23c765dd85ea5e92fcdc30e34d5ff3b151595e73e50e95c03
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Extracted

Family

  • xworm

C2

  • simply-exotic.gl.at.ply.gg:27183

Attributes
  • Install_directory

    %Temp%

  • install_file

    USB.exe

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Xworm family
    xworm
  • Command and Scripting Interpreter: PowerShell 1 TTPs 8 IoCs

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

    execution
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Looks up external IP address via web service 2 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).

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
    defense_evasion
  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 26 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\Perm-spofer.exe
    "C:\Users\Admin\AppData\Local\Temp\Perm-spofer.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1472
    • 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\Perm-spofer.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3164
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Perm-spofer.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4612
    • 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\User'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3068
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'User'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4928
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "User" /tr "C:\Users\Admin\AppData\Local\Temp\User"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2056
  • C:\Users\Admin\AppData\Local\Temp\User
    C:\Users\Admin\AppData\Local\Temp\User
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Adds Run key to start application
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3032
    • 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\User'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2872
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'User'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1524
    • 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\User'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4296
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'User'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1104
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "User" /tr "C:\Users\Admin\AppData\Local\Temp\User"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:3680
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /delete /f /tn "User"
      2⤵
        PID:1912
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA803.tmp.bat""
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1732
        • C:\Windows\system32\timeout.exe
          timeout 3
          3⤵
          • Delays execution with timeout.exe
          PID:1452

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          powershell.exe.log
          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
          • Size 2KB
          • SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
          • MD5 SHA1 SHA512
          Submit Download

          StartupProfileData-NonInteractive
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 944B
          • SHA256 47002672443e80410e55a0b6d683573ac27d70d803b57ee3c2818d1008669710
          • MD5 SHA1 SHA512
          Submit Download

          StartupProfileData-NonInteractive
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 944B
          • SHA256 f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
          • MD5 SHA1 SHA512
          Submit Download

          StartupProfileData-NonInteractive
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 944B
          • SHA256 9e94e7c9ac6134ee30e79498558aa1a5a1ac79a643666c3f8922eed215dd3a98
          • MD5 SHA1 SHA512
          Submit Download

          StartupProfileData-NonInteractive
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 944B
          • SHA256 5ef1421e19fde4bc03cd825dd7d6c0e7863f85fd8f0aa4a4d4f8d555dc7606d1
          • MD5 SHA1 SHA512
          Submit Download

          StartupProfileData-NonInteractive
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 944B
          • SHA256 ad07460e061642c0dd4e7dfa7b821aacce873e290389e72f708e9f3504f9d135
          • MD5 SHA1 SHA512
          Submit Download

          StartupProfileData-NonInteractive
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 944B
          • SHA256 9fcb62333faf9fae34f4e882c6af4065a233063fbdf9a550ac849d650573463c
          • MD5 SHA1 SHA512
          Submit Download

          StartupProfileData-NonInteractive
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 944B
          • SHA256 4fc3a908a25bf9861afb2ec7b3f854fadd986ac281b134cb4e89e46ba6aed0c5
          • MD5 SHA1 SHA512
          Submit Download

          User
          • Path C:\Users\Admin\AppData\Local\Temp\User
          • Size 68KB
          • SHA256 c54762e7cfed04c23c765dd85ea5e92fcdc30e34d5ff3b151595e73e50e95c03
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          __PSScriptPolicyTest_jf3xa5l3.3iv.ps1
          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jf3xa5l3.3iv.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512
          Submit Download

          tmpA803.tmp.bat
          • Path C:\Users\Admin\AppData\Local\Temp\tmpA803.tmp.bat
          • Size 152B
          • SHA256 8b0ce6f4ad04480187bfee8f9e523f81001ed8aa5619a356fdf312b224077774
          • MD5 SHA1 SHA512
          Submit Download

          memory/1472-2-0x00007FFDF20F0000-0x00007FFDF2BB1000-memory.dmp
          Download

          memory/1472-0-0x00007FFDF20F3000-0x00007FFDF20F5000-memory.dmp
          Download

          memory/1472-1-0x0000000000BB0000-0x0000000000BC8000-memory.dmp
          Download

          memory/1472-55-0x00007FFDF20F3000-0x00007FFDF20F5000-memory.dmp
          Download

          memory/1472-56-0x00007FFDF20F0000-0x00007FFDF2BB1000-memory.dmp
          Download

          memory/1472-57-0x000000001B830000-0x000000001B83C000-memory.dmp
          Download

          memory/1472-59-0x00007FFDF20F0000-0x00007FFDF2BB1000-memory.dmp
          Download

          memory/3032-106-0x000000001C490000-0x000000001C49C000-memory.dmp
          Download

          memory/3032-107-0x000000001CBD0000-0x000000001D0F8000-memory.dmp
          Download

          memory/3164-15-0x00007FFDF20F0000-0x00007FFDF2BB1000-memory.dmp
          Download

          memory/3164-5-0x000001CCFEAF0000-0x000001CCFEB12000-memory.dmp
          Download

          memory/3164-3-0x00007FFDF20F0000-0x00007FFDF2BB1000-memory.dmp
          Download

          memory/3164-19-0x00007FFDF20F0000-0x00007FFDF2BB1000-memory.dmp
          Download

          memory/3164-4-0x00007FFDF20F0000-0x00007FFDF2BB1000-memory.dmp
          Download

          memory/3164-18-0x00007FFDF20F0000-0x00007FFDF2BB1000-memory.dmp
          Download