Overview

overview

10

Static

static

10

XC12lient.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    3s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    30-06-2024 11:08

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General

  • Target

    XC12lient.exe

  • Size

    60KB

  • MD5

    80000eb10a99df44b557670aded4d0bf

  • SHA1

    861f71e942652a8cea932de335c1d577e3147299

  • SHA256

    2297d34f5b6e39fb06ea7ee6f9fb1c6572b7a98b4c76a5c3bfd4dd351926b1ff

  • SHA512

    c88d3af7ed0b1005da734f40a9947f44eef68d769086f906855d4a718584ee84eed14c2b963aed433aaefba2b4bd57e03a1cc92b1f1712e6d40b4cac80c3f6da

  • SSDEEP

    1536:iNqQAXim/v4vO9Hru5o8eWwbH3EanV6EOcOSED:icZ/m8HreoJbHHHOcOTD

Score
10/10
xwormexecutionrattrojan

Malware Config

Extracted

Family

xworm

Version

3.1

C2

2.tcp.eu.ngrok.io:11215

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.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 3 IoCs

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

    execution
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 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.

    persistenceexecution
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\XC12lient.exe
    "C:\Users\Admin\AppData\Local\Temp\XC12lient.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3412
    • 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\XC12lient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:4404
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XC12lient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:4860
    • 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\Roaming\XC12lient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:3628
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XC12lient" /tr "C:\Users\Admin\AppData\Roaming\XC12lient.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2736
  • C:\Users\Admin\AppData\Roaming\XC12lient.exe
    C:\Users\Admin\AppData\Roaming\XC12lient.exe
    1⤵
      PID:3216
    • C:\Users\Admin\AppData\Roaming\XC12lient.exe
      C:\Users\Admin\AppData\Roaming\XC12lient.exe
      1⤵
        PID:4996
      • C:\Users\Admin\AppData\Roaming\XC12lient.exe
        C:\Users\Admin\AppData\Roaming\XC12lient.exe
        1⤵
          PID:3908

        Network

        MITRE ATT&CK Matrix ATT&CK v13

        Initial Access

        Execution

        Command and Scripting Interpreter

        1
        T1059

        PowerShell

        1
        T1059.001

        Scheduled Task/Job

        1
        T1053

        Scheduled Task

        1
        T1053.005

        Persistence

        Scheduled Task/Job

        1
        T1053

        Scheduled Task

        1
        T1053.005

        Privilege Escalation

        Scheduled Task/Job

        1
        T1053

        Scheduled Task

        1
        T1053.005

        Defense Evasion

        Credential Access

        Discovery

        System Information Discovery

        1
        T1082

        Lateral Movement

        Collection

        Exfiltration

        Command and Control

        Web Service

        1
        T1102

        Impact

        Resource Development

        Reconnaissance

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\XC12lient.exe.log
          Filesize

          654B

          MD5

          2cbbb74b7da1f720b48ed31085cbd5b8

          SHA1

          79caa9a3ea8abe1b9c4326c3633da64a5f724964

          SHA256

          e31b18f21621d9983bfdf1ea3e53884a9d58b8ffd79e0e5790da6f3a81a8b9d3

          SHA512

          ecf02d5240e0c1c005d3ab393aa7eff62bd498c2db5905157e2bf6d29e1b663228a9583950842629d1a4caef404c8941a0c7799b1a3bd1eb890a09fdb7efcff9

          Download Submit
        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
          Filesize

          2KB

          MD5

          627073ee3ca9676911bee35548eff2b8

          SHA1

          4c4b68c65e2cab9864b51167d710aa29ebdcff2e

          SHA256

          85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

          SHA512

          3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

          Download Submit
        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          Filesize

          944B

          MD5

          1a9fa92a4f2e2ec9e244d43a6a4f8fb9

          SHA1

          9910190edfaccece1dfcc1d92e357772f5dae8f7

          SHA256

          0ee052d5333fd5fd86bc84856fec98e045f077a7ac8051651bf7c521b9706888

          SHA512

          5d2361476fa22200e6f83883efe7dcb8c3fe7dae8d56e04e28a36e9ae1270c327b6aa161d92b239593da7661289d002c574446ecfd6bd19928209aae25e3ef64

          Download Submit
        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          Filesize

          944B

          MD5

          051a74485331f9d9f5014e58ec71566c

          SHA1

          4ed0256a84f2e95609a0b4d5c249bca624db8fe4

          SHA256

          3f67e4ba795fd89d33e9a1fe7547e297a82ae50b8f25eedc2b33a27866b28888

          SHA512

          1f15fd8ca727b198495ef826002c1cbcc63e98eecb2e92abff48354ae668e6c3aaf9bd3005664967ae75637bacee7e730ce36142483d08ae6a068d9ae3e0e17d

          Download Submit
        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yqahpu4q.d23.ps1
          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          Download Submit
        • C:\Users\Admin\AppData\Roaming\XC12lient.exe
          Filesize

          60KB

          MD5

          80000eb10a99df44b557670aded4d0bf

          SHA1

          861f71e942652a8cea932de335c1d577e3147299

          SHA256

          2297d34f5b6e39fb06ea7ee6f9fb1c6572b7a98b4c76a5c3bfd4dd351926b1ff

          SHA512

          c88d3af7ed0b1005da734f40a9947f44eef68d769086f906855d4a718584ee84eed14c2b963aed433aaefba2b4bd57e03a1cc92b1f1712e6d40b4cac80c3f6da

          Download Submit
        • memory/3412-1-0x00007FF909993000-0x00007FF909995000-memory.dmp
          Filesize

          8KB

          Download
        • memory/3412-2-0x00007FF909990000-0x00007FF90A452000-memory.dmp
          Filesize

          10.8MB

          Download
        • memory/3412-0-0x0000000000A50000-0x0000000000A66000-memory.dmp
          Filesize

          88KB

          Download
        • memory/3412-50-0x00007FF909990000-0x00007FF90A452000-memory.dmp
          Filesize

          10.8MB

          Download
        • memory/4404-8-0x000001F8912B0000-0x000001F8912D2000-memory.dmp
          Filesize

          136KB

          Download
        • memory/4404-17-0x00007FF909990000-0x00007FF90A452000-memory.dmp
          Filesize

          10.8MB

          Download
        • memory/4404-14-0x00007FF909990000-0x00007FF90A452000-memory.dmp
          Filesize

          10.8MB

          Download
        • memory/4404-13-0x00007FF909990000-0x00007FF90A452000-memory.dmp
          Filesize

          10.8MB

          Download
        • memory/4404-12-0x00007FF909990000-0x00007FF90A452000-memory.dmp
          Filesize

          10.8MB

          Download