General
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Target
WinUIUpdate.exe
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Size
3.7MB
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Sample
230320-lgw86scg49
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MD5
b0a84e4330a9c00c57d3a3e7885f7946
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SHA1
bfe5f9b94081c25827e2bc90bb39a8c701033519
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SHA256
6320b40b4809bd711e6a50eebacce6ac51d3cbb92f84d467116f79489c668a04
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SHA512
a2214e9f6ca3b9a1aa35e2dbe8d7439ee6958e20a2bdd520a9b29693b5d0eb930bd7d26b818aad5e032ca455eb879543598dcb72e06f69775b9877ac28e77a8f
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SSDEEP
98304:xGUMWoCIILMDNCl6b54+TUyscvBDw4pn:AGosIslo46UF8
Static task
static1
Behavioral task
behavioral1
Sample
WinUIUpdate.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
WinUIUpdate.exe
Resource
win10v2004-20230221-en
Malware Config
Targets
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Target
WinUIUpdate.exe
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Size
3.7MB
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MD5
b0a84e4330a9c00c57d3a3e7885f7946
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SHA1
bfe5f9b94081c25827e2bc90bb39a8c701033519
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SHA256
6320b40b4809bd711e6a50eebacce6ac51d3cbb92f84d467116f79489c668a04
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SHA512
a2214e9f6ca3b9a1aa35e2dbe8d7439ee6958e20a2bdd520a9b29693b5d0eb930bd7d26b818aad5e032ca455eb879543598dcb72e06f69775b9877ac28e77a8f
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SSDEEP
98304:xGUMWoCIILMDNCl6b54+TUyscvBDw4pn:AGosIslo46UF8
Score10/10-
Modifies security service
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Drops file in Drivers directory
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Stops running service(s)
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Drops file in System32 directory
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Suspicious use of SetThreadContext
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