Analysis

  • max time kernel
    66s
  • max time network
    67s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    18-08-2024 18:34

Errors

Reason
Machine shutdown

General

  • Target

    erteterteret.exe

  • Size

    177KB

  • MD5

    858162036ca676172602e7f20396294d

  • SHA1

    98a1816c6f93aad44e89bbd40ffc5be75528fff6

  • SHA256

    3706d906a279ab466f5c526dea3e804ce378ac164fcdc49a1184190669f8f934

  • SHA512

    9206535c14c4a2c61d06f5e52ffc513663c73c00d4ac2dae7f9f0f038a503e091e8a003d794674df2b23f8d23f3e7ecba956c3d24a77babc73cd83cda2b114c4

  • SSDEEP

    3072:W9vmZA2wRabTfnm/KOYqPtBz65/M6If+3Js+3JFkKeTn6:W9gdw0bzmMExBt25

Malware Config

Extracted

Family

xworm

C2

email-champions.gl.at.ply.gg:33429

took-chance.gl.at.ply.gg:33429

Attributes
  • Install_directory

    %AppData%

  • install_file

    MsBusDriver.exe

  • telegram

    https://api.telegram.org/bot6814850214:AAGtrnkhUh3vMq-wH7W5cvNuSWLdcy7mtis/sendMessage?chat_id=7094837950

Signatures

  • Detect Xworm Payload 3 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

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

  • Executes dropped EXE 1 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 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\erteterteret.exe
    "C:\Users\Admin\AppData\Local\Temp\erteterteret.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2420
    • 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\erteterteret.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2832
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'erteterteret.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2724
    • 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\MicrosoftEdgeUpdate937498302'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2656
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'MicrosoftEdgeUpdate937498302'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2660
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "MicrosoftEdgeUpdate937498302" /tr "C:\Users\Admin\AppData\Roaming\MicrosoftEdgeUpdate937498302"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2696
    • C:\Windows\system32\shutdown.exe
      shutdown.exe /f /s /t 0
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:264
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {1B70FE36-EB6A-409D-8DF9-061169FD39F2} S-1-5-21-2958949473-3205530200-1453100116-1000:WHMFPZKA\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2940
    • C:\Users\Admin\AppData\Roaming\MicrosoftEdgeUpdate937498302
      C:\Users\Admin\AppData\Roaming\MicrosoftEdgeUpdate937498302
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2064
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x0
    1⤵
      PID:404
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x1
      1⤵
        PID:1604

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Roaming\MicrosoftEdgeUpdate937498302

        Filesize

        177KB

        MD5

        858162036ca676172602e7f20396294d

        SHA1

        98a1816c6f93aad44e89bbd40ffc5be75528fff6

        SHA256

        3706d906a279ab466f5c526dea3e804ce378ac164fcdc49a1184190669f8f934

        SHA512

        9206535c14c4a2c61d06f5e52ffc513663c73c00d4ac2dae7f9f0f038a503e091e8a003d794674df2b23f8d23f3e7ecba956c3d24a77babc73cd83cda2b114c4

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\7NQDGD5UKEMQDY30VH8B.temp

        Filesize

        7KB

        MD5

        7dea417b199161c5e642b23534b9a7a3

        SHA1

        59e1cddb00f5d409f24fac8f1eb9ece5afedc022

        SHA256

        336bfa041bf539249fbd8d3b5a9e47b9a1c0b9b2fe2109e6393eea7ce795a0c4

        SHA512

        2649abc3f3293c50717a1a3b19be84a1fedd3cae70613cf0575782b76b2896a53dd8b60a814e8f70274443b9ab63aa5eb1e411f7ccbf29e7478e21031fbb52dd

      • \??\PIPE\srvsvc

        MD5

        d41d8cd98f00b204e9800998ecf8427e

        SHA1

        da39a3ee5e6b4b0d3255bfef95601890afd80709

        SHA256

        e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

        SHA512

        cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

      • memory/2064-35-0x0000000001380000-0x00000000013B2000-memory.dmp

        Filesize

        200KB

      • memory/2420-30-0x000007FEF5EF0000-0x000007FEF68DC000-memory.dmp

        Filesize

        9.9MB

      • memory/2420-1-0x00000000010E0000-0x0000000001112000-memory.dmp

        Filesize

        200KB

      • memory/2420-2-0x000007FEF5EF0000-0x000007FEF68DC000-memory.dmp

        Filesize

        9.9MB

      • memory/2420-36-0x000007FEF5EF0000-0x000007FEF68DC000-memory.dmp

        Filesize

        9.9MB

      • memory/2420-31-0x0000000000C80000-0x0000000000C8C000-memory.dmp

        Filesize

        48KB

      • memory/2420-0-0x000007FEF5EF3000-0x000007FEF5EF4000-memory.dmp

        Filesize

        4KB

      • memory/2420-28-0x000007FEF5EF3000-0x000007FEF5EF4000-memory.dmp

        Filesize

        4KB

      • memory/2724-16-0x00000000022A0000-0x00000000022A8000-memory.dmp

        Filesize

        32KB

      • memory/2724-15-0x000000001B6F0000-0x000000001B9D2000-memory.dmp

        Filesize

        2.9MB

      • memory/2832-9-0x0000000002810000-0x0000000002818000-memory.dmp

        Filesize

        32KB

      • memory/2832-8-0x000000001B660000-0x000000001B942000-memory.dmp

        Filesize

        2.9MB

      • memory/2832-7-0x0000000002930000-0x00000000029B0000-memory.dmp

        Filesize

        512KB