Overview

overview

10

Static

static

10

Solara v2.exe

windows7-x64

10

Solara v2.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    133s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/06/2024, 17:42

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General

  • Target
    Solara v2.exe
  • Size 230KB
  • Sample240605-v98mcaeb85
  • SHA256 eed43c12866f5d2d70382ccd10a07670e4b935885a3dbf375da38b8924339b0d
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Extracted

Family

  • xworm

C2

  • takes-stewart.gl.at.ply.gg:61176

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • 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.

    execution
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Solara v2.exe
    "C:\Users\Admin\AppData\Local\Temp\Solara v2.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:208
    • 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\Solara v2.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2328
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Solara v2.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1124
    • 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\XClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3204
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2084

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 af5782703f3f2d5a29fb313dae6680a64134db26064d4a321a3f23b75f6ca00f
        • MD5 SHA1 SHA512
        Submit Download

        StartupProfileData-NonInteractive
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 944B
        • SHA256 c031090ef773b0453a97ab7aaa94dfe4f2bb4a35cc369c41933c20bdd666c72c
        • MD5 SHA1 SHA512
        Submit Download

        StartupProfileData-NonInteractive
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 944B
        • SHA256 1c72fa37d078b92c7e900b2e3d17c43c34d936a696a8ddf6c519f4a80308b892
        • MD5 SHA1 SHA512
        Submit Download

        __PSScriptPolicyTest_afcfe0go.mye.ps1
        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_afcfe0go.mye.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512
        Submit Download

        memory/208-1-0x00007FFEC4133000-0x00007FFEC4135000-memory.dmp
        Download

        memory/208-0-0x0000000000310000-0x000000000034E000-memory.dmp
        Download

        memory/208-52-0x00007FFEC4130000-0x00007FFEC4BF1000-memory.dmp
        Download

        memory/208-53-0x00007FFEC4133000-0x00007FFEC4135000-memory.dmp
        Download

        memory/208-54-0x00007FFEC4130000-0x00007FFEC4BF1000-memory.dmp
        Download

        memory/208-56-0x00007FFEC4130000-0x00007FFEC4BF1000-memory.dmp
        Download

        memory/2328-13-0x00007FFEC4130000-0x00007FFEC4BF1000-memory.dmp
        Download

        memory/2328-16-0x00007FFEC4130000-0x00007FFEC4BF1000-memory.dmp
        Download

        memory/2328-12-0x00007FFEC4130000-0x00007FFEC4BF1000-memory.dmp
        Download

        memory/2328-2-0x00000199E2670000-0x00000199E2692000-memory.dmp
        Download