Overview

overview

10

Static

static

10

Solara v2.exe

windows7-x64

10

Solara v2.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    118s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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
modiloaderxwormexecutionpersistencerattrojan

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
  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    trojanmodiloader
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • ModiLoader First Stage 1 IoCs
  • 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
  • Executes dropped EXE 1 IoCs
  • 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 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Solara v2.exe
    "C:\Users\Admin\AppData\Local\Temp\Solara v2.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2172
    • 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:1032
    • 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:2556
    • 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:2768
    • 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:2440
    • C:\Users\Admin\AppData\Local\Temp\xtuutz.exe
      "C:\Users\Admin\AppData\Local\Temp\xtuutz.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1416

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        xtuutz.exe
        • Path C:\Users\Admin\AppData\Local\Temp\xtuutz.exe
        • Size 359KB
        • SHA256 dc9015e7327c29d6699e1cb8c23148fc73af11de910ab335868342f02f22703c
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        KVI0CVLBLNC95ELJKEN4.temp
        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\KVI0CVLBLNC95ELJKEN4.temp
        • Size 7KB
        • SHA256 d2f422232bd083626e781c38be98338dad87b497609b5d3907b172986c3d1d9c
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/1032-6-0x0000000002C10000-0x0000000002C90000-memory.dmp
        Download

        memory/1032-7-0x000000001B620000-0x000000001B902000-memory.dmp
        Download

        memory/1032-8-0x0000000002790000-0x0000000002798000-memory.dmp
        Download

        memory/1416-38-0x0000000000400000-0x00000000004EC000-memory.dmp
        Download

        memory/1416-37-0x0000000000400000-0x00000000004EC000-memory.dmp
        Download

        memory/2172-28-0x0000000000FB0000-0x0000000001030000-memory.dmp
        Download

        memory/2172-0-0x000007FEF5973000-0x000007FEF5974000-memory.dmp
        Download

        memory/2172-29-0x000007FEF5973000-0x000007FEF5974000-memory.dmp
        Download

        memory/2172-1-0x00000000011D0000-0x000000000120E000-memory.dmp
        Download

        memory/2172-78-0x0000000000FB0000-0x0000000001030000-memory.dmp
        Download

        memory/2556-15-0x00000000026E0000-0x00000000026E8000-memory.dmp
        Download

        memory/2556-14-0x000000001B560000-0x000000001B842000-memory.dmp
        Download