General
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Target
Xworm V5.0.zip
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Size
29.7MB
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Sample
231008-mbm9rabc3v
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MD5
d4bedeb1045da2b8be2fb8b5b78a9508
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SHA1
426679b6d82bec0aed07bc2293bf070550d95620
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SHA256
9702a4f1f432220d5c7afca5aa0aa682be7362afdfeae8276abf70bfcffb7313
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SHA512
f7a018f996b78a84f138e564cad7a15b4c25208a3111d39310792b1297f5d51e0dee694df9eda2487fdff86ec347685ef6e2ec9eef9a7fc69d80188ca5837ee0
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SSDEEP
786432:ynKX23QgeyHcgpsQIJ2eEXSFjtRLnQ4+Ge/inEdOJkP7oDPctM:PX23Qgh51IgxSFjc2pkz2b
Malware Config
Targets
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Target
Xworm V5.0.zip
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Size
29.7MB
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MD5
d4bedeb1045da2b8be2fb8b5b78a9508
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SHA1
426679b6d82bec0aed07bc2293bf070550d95620
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SHA256
9702a4f1f432220d5c7afca5aa0aa682be7362afdfeae8276abf70bfcffb7313
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SHA512
f7a018f996b78a84f138e564cad7a15b4c25208a3111d39310792b1297f5d51e0dee694df9eda2487fdff86ec347685ef6e2ec9eef9a7fc69d80188ca5837ee0
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SSDEEP
786432:ynKX23QgeyHcgpsQIJ2eEXSFjtRLnQ4+Ge/inEdOJkP7oDPctM:PX23Qgh51IgxSFjc2pkz2b
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect Xworm Payload
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AgentTesla payload
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Downloads MZ/PE file
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Possible privilege escalation attempt
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Modifies file permissions
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Obfuscated with Agile.Net obfuscator
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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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Drops file in System32 directory
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