General
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Target
gcapi.dll
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Size
385KB
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Sample
240211-v63a6acb35
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MD5
1ce7d5a1566c8c449d0f6772a8c27900
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SHA1
60854185f6338e1bfc7497fd41aa44c5c00d8f85
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SHA256
73170761d6776c0debacfbbc61b6988cb8270a20174bf5c049768a264bb8ffaf
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SHA512
7e3411be8614170ae91db1626c452997dc6db663d79130872a124af982ee1d457cefba00abd7f5269adce3052403be31238aecc3934c7379d224cb792d519753
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SSDEEP
6144:Tv/ioKdMF+LZD/ZRj1vwWrrUFMNoz4pFGxjEB1NYAOrabN2GZvFcD7:Td+LZrNwWrrwMNoz4vG1OYZabtK7
Static task
static1
Behavioral task
behavioral1
Sample
gcapi.dll
Resource
win11-20231222-en
Malware Config
Extracted
vidar
7.7
e0127784745c009143122ea0882115a4
https://116.203.165.197
https://t.me/newagev
https://steamcommunity.com/profiles/76561199631487327
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profile_id_v2
e0127784745c009143122ea0882115a4
Targets
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Target
gcapi.dll
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Size
385KB
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MD5
1ce7d5a1566c8c449d0f6772a8c27900
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SHA1
60854185f6338e1bfc7497fd41aa44c5c00d8f85
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SHA256
73170761d6776c0debacfbbc61b6988cb8270a20174bf5c049768a264bb8ffaf
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SHA512
7e3411be8614170ae91db1626c452997dc6db663d79130872a124af982ee1d457cefba00abd7f5269adce3052403be31238aecc3934c7379d224cb792d519753
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SSDEEP
6144:Tv/ioKdMF+LZD/ZRj1vwWrrUFMNoz4pFGxjEB1NYAOrabN2GZvFcD7:Td+LZrNwWrrwMNoz4vG1OYZabtK7
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Detect Vidar Stealer
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Renames multiple (80) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Modifies Installed Components in the registry
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Sets DLL path for service in the registry
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Sets service image path in registry
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Executes dropped EXE
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Loads dropped DLL
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Registers COM server for autorun
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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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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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