General
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Target
downloader.exe
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Size
31.9MB
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Sample
250125-xy39laxjdt
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MD5
464e7b0867fbec43a23720c6a59bdcb0
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SHA1
0bb452c8cc6957ac20c9aebd84f3d2051ed793a6
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SHA256
743f0ee62fad69d3b50b237c6a1b5aea0a3f962bf8c0f586b43a9e5709e8752e
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SHA512
1963d3aa3fa3d35e8e07f15d4abcae36113f6e280be6bcfd1af4e1020434107ce9a4da77c668132f1064335290ae6876b0110013b22dd45bb0f44b28e8ff7e5a
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SSDEEP
393216:WF0TihrqK9QvSqbOsZXMXbQ4UflU8AR4h9iBTa9UIWWzTSDCcL2F5aAU:WqgODXm8EVQtWVDCcqbU
Static task
static1
Behavioral task
behavioral1
Sample
downloader.exe
Resource
win7-20240903-en
Malware Config
Extracted
xworm
3.1
83.38.24.1:1603
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Install_directory
%Userprofile%
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install_file
USB.exe
Targets
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Target
downloader.exe
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Size
31.9MB
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MD5
464e7b0867fbec43a23720c6a59bdcb0
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SHA1
0bb452c8cc6957ac20c9aebd84f3d2051ed793a6
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SHA256
743f0ee62fad69d3b50b237c6a1b5aea0a3f962bf8c0f586b43a9e5709e8752e
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SHA512
1963d3aa3fa3d35e8e07f15d4abcae36113f6e280be6bcfd1af4e1020434107ce9a4da77c668132f1064335290ae6876b0110013b22dd45bb0f44b28e8ff7e5a
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SSDEEP
393216:WF0TihrqK9QvSqbOsZXMXbQ4UflU8AR4h9iBTa9UIWWzTSDCcL2F5aAU:WqgODXm8EVQtWVDCcqbU
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Detect Xworm Payload
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Xworm family
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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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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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Adds Run key to start application
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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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Legitimate hosting services abused for malware hosting/C2
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1