Analysis
- max time kernel
148s - max time network
146s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
31/07/2026, 23:22
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
67851f424ccbe66c1d79bdb2c7dac0bcb2f833d6225014ddbf143974d5d96766.exe
Resource
win10v2004-20260513-en
12 signatures
150 seconds
General
- Target 67851f424ccbe66c1d79bdb2c7dac0bcb2f833d6225014ddbf143974d5d96766.exe
- Size 896KB
- Sample260731-3c151asgpf
- SHA256 67851f424ccbe66c1d79bdb2c7dac0bcb2f833d6225014ddbf143974d5d96766
- MD5 d1cec83bd71edf40016368934535790c
- SHA1 288afa6cc4db713f707aca887c25d820318b35c8
- SHA512 c3d090f3920a7e9a13712f6926e720363874f09b894753820e9086ff8063ea1c4ce39ae2eec1d0ee3485eb29ad524924eb9bdbb5f604b8903836db95c5a6c431
- SSDEEP 24576:rG3kAEFT0DXQWa5GRPnyMH+C9NH6sz6kpi7TYKHK4H3Y:sk3FQD/ayny6x9zUTYKHDH3
- TLSH T18F15F1142219CD46D4AE0BB86A61E37417B88E9DE822D3139FD1BFDBBC767B06D00257
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
xworm
Version
-
5.0
C2
-
151.244.232.26:443
Mutex
-
Uwzmx31jE3HrW27j
Attributes
-
install_file
USB.exe
aes.plain
Signatures
- Detect Xworm Payload 1 IoCs
resource yara_rule behavioral2/memory/5920-20-0x0000000000400000-0x000000000040E000-memory.dmp family_xworm - Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 3296 powershell.exe 4652 powershell.exe 5052 powershell.exe - Executes dropped EXE 1 IoCs
pid Process 5044 uNvfhms.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows\CurrentVersion\Run\uNvfhms = "\"C:\\Windows\\system32\\WindowsPowerShell\\v1.0\\powershell.exe\" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File \"C:\\Users\\Admin\\AppData\\Local\\Temp\\2epvgu2iog2.ps1\"" 67851f424ccbe66c1d79bdb2c7dac0bcb2f833d6225014ddbf143974d5d96766.exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4560 set thread context of 5920 4560 67851f424ccbe66c1d79bdb2c7dac0bcb2f833d6225014ddbf143974d5d96766.exe 93 PID 5044 set thread context of 5368 5044 uNvfhms.exe 100 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language uNvfhms.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 67851f424ccbe66c1d79bdb2c7dac0bcb2f833d6225014ddbf143974d5d96766.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSBuild.exe - Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 4560 67851f424ccbe66c1d79bdb2c7dac0bcb2f833d6225014ddbf143974d5d96766.exe 4560 67851f424ccbe66c1d79bdb2c7dac0bcb2f833d6225014ddbf143974d5d96766.exe 3296 powershell.exe 5052 powershell.exe 5052 powershell.exe 3296 powershell.exe 3296 powershell.exe 5052 powershell.exe 5044 uNvfhms.exe 5044 uNvfhms.exe 4652 powershell.exe 4652 powershell.exe - Suspicious use of AdjustPrivilegeToken 49 IoCs
description pid Process Token: SeDebugPrivilege 4560 67851f424ccbe66c1d79bdb2c7dac0bcb2f833d6225014ddbf143974d5d96766.exe Token: SeDebugPrivilege 3296 powershell.exe Token: SeDebugPrivilege 5052 powershell.exe Token: SeDebugPrivilege 5920 MSBuild.exe Token: SeIncreaseQuotaPrivilege 3296 powershell.exe Token: SeSecurityPrivilege 3296 powershell.exe Token: SeTakeOwnershipPrivilege 3296 powershell.exe Token: SeLoadDriverPrivilege 3296 powershell.exe Token: SeSystemProfilePrivilege 3296 powershell.exe Token: SeSystemtimePrivilege 3296 powershell.exe Token: SeProfSingleProcessPrivilege 3296 powershell.exe Token: SeIncBasePriorityPrivilege 3296 powershell.exe Token: SeCreatePagefilePrivilege 3296 powershell.exe Token: SeBackupPrivilege 3296 powershell.exe Token: SeRestorePrivilege 3296 powershell.exe Token: SeShutdownPrivilege 3296 powershell.exe Token: SeDebugPrivilege 3296 powershell.exe Token: SeSystemEnvironmentPrivilege 3296 powershell.exe Token: SeRemoteShutdownPrivilege 3296 powershell.exe Token: SeUndockPrivilege 3296 powershell.exe Token: SeManageVolumePrivilege 3296 powershell.exe Token: 33 3296 powershell.exe Token: 34 3296 powershell.exe Token: 35 3296 powershell.exe Token: 36 3296 powershell.exe Token: SeDebugPrivilege 5044 uNvfhms.exe Token: SeDebugPrivilege 4652 powershell.exe Token: SeDebugPrivilege 5368 MSBuild.exe Token: SeIncreaseQuotaPrivilege 4652 powershell.exe Token: SeSecurityPrivilege 4652 powershell.exe Token: SeTakeOwnershipPrivilege 4652 powershell.exe Token: SeLoadDriverPrivilege 4652 powershell.exe Token: SeSystemProfilePrivilege 4652 powershell.exe Token: SeSystemtimePrivilege 4652 powershell.exe Token: SeProfSingleProcessPrivilege 4652 powershell.exe Token: SeIncBasePriorityPrivilege 4652 powershell.exe Token: SeCreatePagefilePrivilege 4652 powershell.exe Token: SeBackupPrivilege 4652 powershell.exe Token: SeRestorePrivilege 4652 powershell.exe Token: SeShutdownPrivilege 4652 powershell.exe Token: SeDebugPrivilege 4652 powershell.exe Token: SeSystemEnvironmentPrivilege 4652 powershell.exe Token: SeRemoteShutdownPrivilege 4652 powershell.exe Token: SeUndockPrivilege 4652 powershell.exe Token: SeManageVolumePrivilege 4652 powershell.exe Token: 33 4652 powershell.exe Token: 34 4652 powershell.exe Token: 35 4652 powershell.exe Token: 36 4652 powershell.exe - Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 4560 wrote to memory of 3296 4560 67851f424ccbe66c1d79bdb2c7dac0bcb2f833d6225014ddbf143974d5d96766.exe 90 PID 4560 wrote to memory of 5920 4560 67851f424ccbe66c1d79bdb2c7dac0bcb2f833d6225014ddbf143974d5d96766.exe 93 PID 4560 wrote to memory of 5920 4560 67851f424ccbe66c1d79bdb2c7dac0bcb2f833d6225014ddbf143974d5d96766.exe 93 PID 4560 wrote to memory of 5920 4560 67851f424ccbe66c1d79bdb2c7dac0bcb2f833d6225014ddbf143974d5d96766.exe 93 PID 4560 wrote to memory of 5920 4560 67851f424ccbe66c1d79bdb2c7dac0bcb2f833d6225014ddbf143974d5d96766.exe 93 PID 4560 wrote to memory of 5920 4560 67851f424ccbe66c1d79bdb2c7dac0bcb2f833d6225014ddbf143974d5d96766.exe 93 PID 5052 wrote to memory of 5044 5052 powershell.exe 95 PID 5044 wrote to memory of 4652 5044 uNvfhms.exe 98 PID 5044 wrote to memory of 5368 5044 uNvfhms.exe 100 PID 5044 wrote to memory of 5368 5044 uNvfhms.exe 100 PID 5044 wrote to memory of 5368 5044 uNvfhms.exe 100 PID 5044 wrote to memory of 5368 5044 uNvfhms.exe 100 PID 5044 wrote to memory of 5368 5044 uNvfhms.exe 100
Processes
-
C:\Users\Admin\AppData\Local\Temp\67851f424ccbe66c1d79bdb2c7dac0bcb2f833d6225014ddbf143974d5d96766.exe"C:\Users\Admin\AppData\Local\Temp\67851f424ccbe66c1d79bdb2c7dac0bcb2f833d6225014ddbf143974d5d96766.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4560 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\67851f424ccbe66c1d79bdb2c7dac0bcb2f833d6225014ddbf143974d5d96766.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3296
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5920
-
-
C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File "C:\Users\Admin\AppData\Local\Temp\2epvgu2iog2.ps1"1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5052 -
C:\Users\Admin\AppData\Roaming\uNvfhms.exe"C:\Users\Admin\AppData\Roaming\uNvfhms.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5044 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uNvfhms.exe"3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4652
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5368
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 21KB
- SHA256 8022d9b05520323df46f65770dab06e8d37d81c6171c217ba88b8dea1b5d4e23
- MD5 8f2b981ec2997fda7d415341b0b0caf9
- SHA1 cc6b7714a0e7854db89389dbee7dcc586e6e42af
- SHA512 565cfbd7a5100afaf7b6cf632303bb7ec415651aa788dcb83657129c6e633e36feb2567606d144ce96612a0b83152d83cf162e7ff1bb64faca9e8eb43804be0f
- SSDEEP 384:T8mboT1iBGTGW14bqvnkL0xl+geLrr2Pn5IAXr4B+dWoVIzKwwvYbhNaPsWRt/ZU:F0Z6G6WiGvnkL++p6xIAXrq+NovbhNaK
- TLSH T194A2B578213F6DC7D8D216B010D20AA7FBE4D489DAF65198BF1BDE2F4C90EB64E60524
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\2epvgu2iog2.ps1
- Size 1KB
- SHA256 d024049def92740ea81d4f45d993e3ada6ca5359a250a6c04837317c1244ffd0
- MD5 5f6eded9620ad2da06e4aaa0708ef684
- SHA1 15c2f1835af41cac366840318fa8792eaf472015
- SHA512 eae2e8cb1ad6712ff4cd56a305f71adabb3821b562094cc93d24d05a1d15ecf6b584a3bfa85d0179f509fc819df3e5f6a2a324e8cc15d4684b34152aec3f4321
- TLSH T13F11230B8E9587C6506403E05507B0DCB22D61CB2BBF059085ECB1EEB32BD63382ADE8
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xolcehxj.wmw.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\uNvfhms.exe
- Size 896KB
- SHA256 67851f424ccbe66c1d79bdb2c7dac0bcb2f833d6225014ddbf143974d5d96766
- MD5 d1cec83bd71edf40016368934535790c
- SHA1 288afa6cc4db713f707aca887c25d820318b35c8
- SHA512 c3d090f3920a7e9a13712f6926e720363874f09b894753820e9086ff8063ea1c4ce39ae2eec1d0ee3485eb29ad524924eb9bdbb5f604b8903836db95c5a6c431
- SSDEEP 24576:rG3kAEFT0DXQWa5GRPnyMH+C9NH6sz6kpi7TYKHK4H3Y:sk3FQD/ayny6x9zUTYKHDH3
- TLSH T18F15F1142219CD46D4AE0BB86A61E37417B88E9DE822D3139FD1BFDBBC767B06D00257
- MD5 SHA1 SHA512 SSDEEP TLSH