Analysis
- max time kernel
136s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
05/06/2024, 17:20
General
- Target Solara v2.exe
- Size 230KB
- Sample240605-vwkncsdf96
- SHA256 eed43c12866f5d2d70382ccd10a07670e4b935885a3dbf375da38b8924339b0d
Malware Config
Extracted
-
xworm
-
takes-stewart.gl.at.ply.gg:61176
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Install_directory
%AppData%
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install_file
XClient.exe
Signatures
- Detect Xworm Payload 1 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.
- 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
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 1 IoCs
- Suspicious behavior: AddClipboardFormatListener 2 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 3 IoCs
- Suspicious use of AdjustPrivilegeToken 12 IoCs
- Suspicious use of FindShellTrayWindow 36 IoCs
- Suspicious use of SendNotifyMessage 17 IoCs
- Suspicious use of SetWindowsHookEx 6 IoCs
- Suspicious use of WriteProcessMemory 12 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
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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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
-
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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
-
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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
-
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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
-
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C:\Program Files\VideoLAN\VLC\vlc.exe"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\peghds.mp4"2⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
-
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C:\Program Files\VideoLAN\VLC\vlc.exe"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\gdmrtl.mp3"2⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
-
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x470 0x3cc1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
powershell.exe.log
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
__PSScriptPolicyTest_nxyyyd5u.wb5.ps1
gdmrtl.mp3
peghds.mp4
ml.xspf
vlc-qt-interface.ini
memory/1380-212-0x00007FF852060000-0x00007FF852094000-memory.dmp
memory/1380-211-0x00007FF7FA960000-0x00007FF7FAA58000-memory.dmp
memory/1380-214-0x00007FF83DA30000-0x00007FF83DB3E000-memory.dmp
memory/1380-213-0x00007FF838A50000-0x00007FF838D06000-memory.dmp
memory/2832-177-0x00007FF83EE40000-0x00007FF83EE51000-memory.dmp
memory/2832-169-0x00007FF84E0C0000-0x00007FF84E0D1000-memory.dmp
memory/2832-187-0x00007FF7FA960000-0x00007FF7FAA58000-memory.dmp
memory/2832-163-0x00007FF851D40000-0x00007FF851D74000-memory.dmp
memory/2832-162-0x00007FF7FA960000-0x00007FF7FAA58000-memory.dmp
memory/2832-171-0x00007FF84DD10000-0x00007FF84DD21000-memory.dmp
memory/2832-170-0x00007FF84E0A0000-0x00007FF84E0BD000-memory.dmp
memory/2832-179-0x00007FF83EE00000-0x00007FF83EE1B000-memory.dmp
memory/2832-178-0x00007FF83EE20000-0x00007FF83EE31000-memory.dmp
memory/2832-189-0x00007FF838510000-0x00007FF8387C6000-memory.dmp
memory/2832-176-0x00007FF83EE60000-0x00007FF83EE71000-memory.dmp
memory/2832-175-0x00007FF84DCF0000-0x00007FF84DD08000-memory.dmp
memory/2832-174-0x00007FF842D60000-0x00007FF842D81000-memory.dmp
memory/2832-173-0x00007FF83EE80000-0x00007FF83EEC1000-memory.dmp
memory/2832-172-0x00007FF838300000-0x00007FF83850B000-memory.dmp
memory/2832-188-0x00007FF851D40000-0x00007FF851D74000-memory.dmp
memory/2832-164-0x00007FF838510000-0x00007FF8387C6000-memory.dmp
memory/2832-168-0x00007FF84E0E0000-0x00007FF84E0F7000-memory.dmp
memory/2832-167-0x00007FF851140000-0x00007FF851151000-memory.dmp
memory/2832-166-0x00007FF851500000-0x00007FF851517000-memory.dmp
memory/2832-165-0x00007FF851BA0000-0x00007FF851BB8000-memory.dmp
memory/3008-17-0x00007FF841E00000-0x00007FF8428C1000-memory.dmp
memory/3008-14-0x00007FF841E00000-0x00007FF8428C1000-memory.dmp
memory/3008-13-0x00007FF841E00000-0x00007FF8428C1000-memory.dmp
memory/3008-12-0x00007FF841E00000-0x00007FF8428C1000-memory.dmp
memory/3008-7-0x0000014A13AD0000-0x0000014A13AF2000-memory.dmp
memory/3392-55-0x00007FF841E00000-0x00007FF8428C1000-memory.dmp
memory/3392-0-0x0000000000970000-0x00000000009AE000-memory.dmp
memory/3392-54-0x00007FF841E03000-0x00007FF841E05000-memory.dmp
memory/3392-53-0x00007FF841E00000-0x00007FF8428C1000-memory.dmp
memory/3392-1-0x00007FF841E03000-0x00007FF841E05000-memory.dmp