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General
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Target
2ba95c6f886e7d19b879f9889ca93bc4
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Size
915KB
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Sample
231231-g64x4aeffj
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MD5
2ba95c6f886e7d19b879f9889ca93bc4
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SHA1
42450f2f674bab061eed2e0d8a53d2157998d31a
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SHA256
33bdce66ac6ad180de0efd8c3bd99d487dea4603f0928244c2e19f21341a29f2
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SHA512
d54e7e3b92acc74c29d799524cc55e10ae88d48c42f7e4a8f79ad7c3063da47aedd0cd79a57126587d92d2a84bfc4d51b09972b417f72eef74a9da06d461fc99
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SSDEEP
24576:JdID5/KvpjR6eWfR+KrurgwO0M7fv9iUO8lEzEHPf:za8pjR6BXagwO0ulJsE3
Static task
static1
Behavioral task
behavioral1
Sample
rusik na kuhne.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
rusik na kuhne.exe
Resource
win10v2004-20231215-en
Malware Config
Targets
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Target
rusik na kuhne.exe
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Size
564KB
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MD5
f44445aeb63e81045e17563a55e76f13
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SHA1
7b5b8cba606b2d28236ae6801ca0e1be4b391455
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SHA256
938cf550c7f4f125804d8a1d7bf9ea9ad72facedae6a01e776bff846f948e6dc
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SHA512
3bde94299b855b57faaa2d1bb9e88ce693bbdf7a00d1849e45806e28c2d85afaa67e39f3ca774ab2993d7bc488904233745cf01321af26225c68da2e25d62b50
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SSDEEP
12288:6pUJ3r6YkVwJgNnSykgb9cqWnw4q6ZmFhqss3MMq:6pUNr6YkVRFkgbeqeo68FhqxMM
Score10/10-
Modifies WinLogon for persistence
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Adds policy Run key to start application
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Disables RegEdit via registry modification
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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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Adds Run key to start application
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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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Drops autorun.inf file
Malware can abuse Windows Autorun to spread further via attached volumes.
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
2Winlogon Helper DLL
1