General
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Target
VC_redist.x64.bat
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Size
27KB
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Sample
250301-3pykmswyds
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MD5
59ed597b16bdecda0fa1f5317d679506
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SHA1
e2117126d6e4b2dd02d4eee180c8f786c9b6424e
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SHA256
8b095c70bb18e878b288db10c7b9d5de9ed2df22f075b30ed0cbf3fdcb2c9342
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SHA512
d37b2f951d1093bb1f750d6996e080f0f5b20ac2cf5139f32f1b154bf2d4a61a8ecb033383e6a3d7fbb875dae63d147d7dc97bc241bf2da1497e378822004dea
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SSDEEP
384:eQxxUGTxvOwLNVpRP5mx39dm7dQgh+1Oi:xxigvOwLDpd5mx39L
Static task
static1
Behavioral task
behavioral1
Sample
VC_redist.x64.bat
Resource
win10v2004-20250217-en
Behavioral task
behavioral2
Sample
VC_redist.x64.bat
Resource
win10ltsc2021-20250217-en
Behavioral task
behavioral3
Sample
VC_redist.x64.bat
Resource
win11-20250217-en
Malware Config
Extracted
xworm
3.1
185.172.175.125:5000
Uto2xJheY5reQlME
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Install_directory
%AppData%
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install_file
USB.exe
Targets
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Target
VC_redist.x64.bat
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Size
27KB
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MD5
59ed597b16bdecda0fa1f5317d679506
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SHA1
e2117126d6e4b2dd02d4eee180c8f786c9b6424e
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SHA256
8b095c70bb18e878b288db10c7b9d5de9ed2df22f075b30ed0cbf3fdcb2c9342
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SHA512
d37b2f951d1093bb1f750d6996e080f0f5b20ac2cf5139f32f1b154bf2d4a61a8ecb033383e6a3d7fbb875dae63d147d7dc97bc241bf2da1497e378822004dea
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SSDEEP
384:eQxxUGTxvOwLNVpRP5mx39dm7dQgh+1Oi:xxigvOwLDpd5mx39L
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Detect Xworm Payload
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Suspicious use of NtCreateUserProcessOtherParentProcess
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UAC bypass
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Xworm family
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Blocklisted process makes network request
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Downloads MZ/PE file
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Sets service image path in registry
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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Executes dropped EXE
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Indicator Removal: Clear Windows Event Logs
Clear Windows Event Logs to hide the activity of an intrusion.
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Adds Run key to start application
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Drops file in System32 directory
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
2PowerShell
2Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Indicator Removal
1Clear Windows Event Logs
1Modify Registry
3