General
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Target
file.exe
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Size
306KB
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Sample
230628-zcfbraba87
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MD5
944655b3865bcbb0d9dd0f90467094b9
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SHA1
50ea89599994771b3127450b61db53e98f08cfe3
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SHA256
b2f5d09c0f4f4ad390c939e6d2d4af2e1155362a409d20a784826ec0320afadb
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SHA512
27487cae02e5f4bbb69a288315bcda927378efd8d208764ebbd65dba50d3d949b3478d74e18519fdafe22fa2ebbb0ccf4fdff9263499100b50458fccc9418afa
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SSDEEP
3072:z8maj+qOCfqgT2o1YZtmapcpjl6L4vX5vj5P1oir:zijeCzT2CYZtmWvLu15
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230621-en
Malware Config
Extracted
tofsee
vanaheim.cn
jotunheim.name
Targets
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Target
file.exe
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Size
306KB
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MD5
944655b3865bcbb0d9dd0f90467094b9
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SHA1
50ea89599994771b3127450b61db53e98f08cfe3
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SHA256
b2f5d09c0f4f4ad390c939e6d2d4af2e1155362a409d20a784826ec0320afadb
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SHA512
27487cae02e5f4bbb69a288315bcda927378efd8d208764ebbd65dba50d3d949b3478d74e18519fdafe22fa2ebbb0ccf4fdff9263499100b50458fccc9418afa
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SSDEEP
3072:z8maj+qOCfqgT2o1YZtmapcpjl6L4vX5vj5P1oir:zijeCzT2CYZtmWvLu15
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XMRig Miner payload
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Creates new service(s)
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Modifies Windows Firewall
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Sets service image path in registry
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Deletes itself
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Executes dropped EXE
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Drops file in System32 directory
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Suspicious use of SetThreadContext
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