General
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Target
file
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Size
285KB
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Sample
230513-ksnkqsfh46
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MD5
a21e695f7a2af53e5208781c8a75da08
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SHA1
ad5000552a0b6dd28c8909287477ea9834b5ef48
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SHA256
f61b790784033096fb5f18ac2c17fa89b99a8ecebdd0e30148fe10133d42e8c0
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SHA512
875e52bd6bf5d15472adbf9a9a97f73c2af33e4629c54a43e3de4da41cad638ae27c55275725d3fc9400d690c3f4060161e52c928cdcc0b52be7838d8b952f59
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SSDEEP
6144:i2W+rLe/H5vsW/n/8d2f3f0nxcVoR9tw:i23y/Z0u/pf3Axc+hw
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230220-en
Malware Config
Extracted
tofsee
vanaheim.cn
jotunheim.name
Targets
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Target
file
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Size
285KB
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MD5
a21e695f7a2af53e5208781c8a75da08
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SHA1
ad5000552a0b6dd28c8909287477ea9834b5ef48
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SHA256
f61b790784033096fb5f18ac2c17fa89b99a8ecebdd0e30148fe10133d42e8c0
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SHA512
875e52bd6bf5d15472adbf9a9a97f73c2af33e4629c54a43e3de4da41cad638ae27c55275725d3fc9400d690c3f4060161e52c928cdcc0b52be7838d8b952f59
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SSDEEP
6144:i2W+rLe/H5vsW/n/8d2f3f0nxcVoR9tw:i23y/Z0u/pf3Axc+hw
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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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