Overview

overview

10

Static

static

10

XWorm V5.2....2.exe

windows7-x64

10

XWorm V5.2....2.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    580s
  • max time network
    595s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/09/2024, 18:14

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General

  • Target
    XWorm V5.2/XWorm V5.2.exe
  • Size 73KB
  • Sample240904-wvtqbavapp
  • SHA256 b06d089bd5be63788ef530ff1f93216625aa66d1d811f9ec3f2892268b656011
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xwormexecutionrattrojan

Malware Config

Extracted

Family

  • xworm

C2

  • uk1.localto.net:3725

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    svchost.exe

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • 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.

  • Drops startup file 4 IoCs
  • Executes dropped EXE 10 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).

  • Delays execution with timeout.exe 1 IoCs
    evasion
  • 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 21 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\XWorm V5.2\XWorm V5.2.exe
    "C:\Users\Admin\AppData\Local\Temp\XWorm V5.2\XWorm V5.2.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4492
    • 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\XWorm V5.2\XWorm V5.2.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1716
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XWorm V5.2.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2460
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\svchost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2524
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1772
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\ProgramData\svchost.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:936
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /delete /f /tn "svchost"
      2⤵
        PID:2776
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp29E9.tmp.bat""
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:436
        • C:\Windows\system32\timeout.exe
          timeout 3
          3⤵
          • Delays execution with timeout.exe
          PID:3052
    • C:\ProgramData\svchost.exe
      C:\ProgramData\svchost.exe
      1⤵
      • Checks computer location settings
      • Drops startup file
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1492
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\svchost.exe'
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3904
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1776
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\svchost.exe'
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2388
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1596
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\ProgramData\svchost.exe"
        2⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2108
    • C:\ProgramData\svchost.exe
      C:\ProgramData\svchost.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2500
    • C:\ProgramData\svchost.exe
      C:\ProgramData\svchost.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4916
    • C:\ProgramData\svchost.exe
      C:\ProgramData\svchost.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1460
    • C:\ProgramData\svchost.exe
      C:\ProgramData\svchost.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4584
    • C:\ProgramData\svchost.exe
      C:\ProgramData\svchost.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:920
    • C:\ProgramData\svchost.exe
      C:\ProgramData\svchost.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3044
    • C:\ProgramData\svchost.exe
      C:\ProgramData\svchost.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1596
    • C:\ProgramData\svchost.exe
      C:\ProgramData\svchost.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2292
    • C:\ProgramData\svchost.exe
      C:\ProgramData\svchost.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1604

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          svchost.exe
          • Path C:\ProgramData\svchost.exe
          • Size 73KB
          • SHA256 b06d089bd5be63788ef530ff1f93216625aa66d1d811f9ec3f2892268b656011
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          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

          svchost.exe.log
          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\svchost.exe.log
          • Size 654B
          • SHA256 e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
          • MD5 SHA1 SHA512
          Submit Download

          StartupProfileData-NonInteractive
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 944B
          • SHA256 b441de653f1db11fdcb7756e853676af9c07fc2bdedf51aad9bd48efca291d3a
          • MD5 SHA1 SHA512
          Submit Download

          StartupProfileData-NonInteractive
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 944B
          • SHA256 006cca90e78fbb571532a83082ac6712721a34ea4b21f490058ffb3f521f4903
          • MD5 SHA1 SHA512
          Submit Download

          StartupProfileData-NonInteractive
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 944B
          • SHA256 d6fa39eab7ee36f44dc3f9f2839d098433db95c1eba924e4bcf4e5c0d268d961
          • MD5 SHA1 SHA512
          Submit Download

          StartupProfileData-NonInteractive
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 944B
          • SHA256 70600f0f93bca5f0548bfe5503513caadda31cbcd14dc007824b0925a8626e4b
          • MD5 SHA1 SHA512
          Submit Download

          StartupProfileData-NonInteractive
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 944B
          • SHA256 30bf8496e9a08f4fdfe4767abcd565f92b6da06ca1c7823a70cb7cab16262e51
          • MD5 SHA1 SHA512
          Submit Download

          StartupProfileData-NonInteractive
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 944B
          • SHA256 fafde5bec1db5e838e0a43603714686f9911b7aaa8d8ff0fe40f9496a7b38747
          • MD5 SHA1 SHA512
          Submit Download

          StartupProfileData-NonInteractive
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 944B
          • SHA256 c1d30342a40a2b6e7553da30ceb85754d33820f6fbb3bbbed1ceb30d6390de4a
          • MD5 SHA1 SHA512
          Submit Download

          __PSScriptPolicyTest_4f4h4hgy.351.ps1
          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4f4h4hgy.351.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512
          Submit Download

          tmp29E9.tmp.bat
          • Path C:\Users\Admin\AppData\Local\Temp\tmp29E9.tmp.bat
          • Size 173B
          • SHA256 597ff454e8da423c02760585ae08748a0401a9e077e27a59422d0a8566fdb073
          • MD5 SHA1 SHA512
          Submit Download

          memory/1716-4-0x00007FFBE1BF0000-0x00007FFBE26B1000-memory.dmp
          Download

          memory/1716-3-0x00007FFBE1BF0000-0x00007FFBE26B1000-memory.dmp
          Download

          memory/1716-5-0x00007FFBE1BF0000-0x00007FFBE26B1000-memory.dmp
          Download

          memory/1716-18-0x00007FFBE1BF0000-0x00007FFBE26B1000-memory.dmp
          Download

          memory/1716-15-0x000002A01BFD0000-0x000002A01BFF2000-memory.dmp
          Download

          memory/4492-57-0x00007FFBE1BF3000-0x00007FFBE1BF5000-memory.dmp
          Download

          memory/4492-58-0x00007FFBE1BF0000-0x00007FFBE26B1000-memory.dmp
          Download

          memory/4492-66-0x00007FFBE1BF0000-0x00007FFBE26B1000-memory.dmp
          Download

          memory/4492-0-0x00007FFBE1BF3000-0x00007FFBE1BF5000-memory.dmp
          Download

          memory/4492-2-0x00007FFBE1BF0000-0x00007FFBE26B1000-memory.dmp
          Download

          memory/4492-1-0x0000000000960000-0x0000000000978000-memory.dmp
          Download