General
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Target
file.exe
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Size
215KB
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Sample
221219-a4msgaha2v
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MD5
cf288041eb39475dbd6cd227c263fc0e
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SHA1
fd4d23c2f6f6ebe0a7c14388e6edac232ba6b402
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SHA256
55a54a659c8184d1f2649593c5905e43f21750d96a7fa97a1f6a8a6e11cf9253
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SHA512
e1efa58c1276e5e9334deda1e534c881e62aded89e64a94e9b5552e9754dd3558c3555148a1b3c89db2cd87093163afb166bd08cdbd0b122f3f7e03c93b527c7
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SSDEEP
6144:0V/VLXz3lgJiE+z1GOTA9VKy70JVejcbXF:0VNzzlgd21G6Mgi0J4YbXF
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
Malware Config
Extracted
tofsee
svartalfheim.top
jotunheim.name
Targets
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Target
file.exe
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Size
215KB
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MD5
cf288041eb39475dbd6cd227c263fc0e
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SHA1
fd4d23c2f6f6ebe0a7c14388e6edac232ba6b402
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SHA256
55a54a659c8184d1f2649593c5905e43f21750d96a7fa97a1f6a8a6e11cf9253
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SHA512
e1efa58c1276e5e9334deda1e534c881e62aded89e64a94e9b5552e9754dd3558c3555148a1b3c89db2cd87093163afb166bd08cdbd0b122f3f7e03c93b527c7
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SSDEEP
6144:0V/VLXz3lgJiE+z1GOTA9VKy70JVejcbXF:0VNzzlgd21G6Mgi0J4YbXF
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XMRig Miner payload
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Creates new service(s)
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Executes dropped EXE
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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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Drops file in System32 directory
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Suspicious use of SetThreadContext
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