General
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Target
xworm-v61.zip
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Size
8KB
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Sample
250126-fsnhhstrhk
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MD5
4887cbac58fd2afefa5ca6da4b7e819f
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SHA1
2953bc48fc9c89865c52d0d0dde573492ed0c2c8
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SHA256
272d03b6c4c13d6f820f077564d6beac437a9caf65505eeccd368f8c3cca0fce
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SHA512
dfed78b08ba10f4071e117a6ff93d5dfc6f7c604f3e63719c2a3a55987f1ee0fe45e3218667d2060852fe0d6450bb48c3acd17310e1c85fd51e6b22bdc9d8807
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SSDEEP
192:PN2x2BlVOePvygP+6/EWkkho6dRJEHXG7djP5yOWN:AxwOePvN/EWkkG6dRJg27VPlWN
Static task
static1
Behavioral task
behavioral1
Sample
xworm-v61.html
Resource
win11-20241023-en
Malware Config
Extracted
xworm
5.0
127.0.0.1:7000
Wal8lqFM1lNFMF18
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install_file
USB.exe
Extracted
xworm
127.0.0.1:7000
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install_file
USB.exe
Targets
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Target
xworm-v61.zip
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Size
8KB
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MD5
4887cbac58fd2afefa5ca6da4b7e819f
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SHA1
2953bc48fc9c89865c52d0d0dde573492ed0c2c8
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SHA256
272d03b6c4c13d6f820f077564d6beac437a9caf65505eeccd368f8c3cca0fce
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SHA512
dfed78b08ba10f4071e117a6ff93d5dfc6f7c604f3e63719c2a3a55987f1ee0fe45e3218667d2060852fe0d6450bb48c3acd17310e1c85fd51e6b22bdc9d8807
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SSDEEP
192:PN2x2BlVOePvygP+6/EWkkho6dRJEHXG7djP5yOWN:AxwOePvN/EWkkG6dRJg27VPlWN
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Contains code to disable Windows Defender
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
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Detect Xworm Payload
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UAC bypass
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Xworm family
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Executes dropped EXE
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Loads dropped DLL
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Uses the VBS compiler for execution
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Sets desktop wallpaper using registry
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MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
4Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1