General
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Target
file.exe
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Size
213KB
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Sample
221220-r3514aab45
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MD5
cb8cfdd3af63eaa602a08b26f9994322
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SHA1
6f25fb241e1f1810b483fdb5b2b889f1ce448423
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SHA256
ccb7d26fdb3482caa21429847a326b9df999211c9d6009980f62faf6eb97e27d
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SHA512
3ca77dff4e238a84c9b999b3bf62af5cdb023089fa02c46c9d1e8070eafd14fc54e2787d0a827aa006bfd93a4aa78772ad5efe9bb6515f69a12dcda99c01895b
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SSDEEP
3072:DOTLBA7RmQHyebf8sQx5EEKZPUpLRLujxb57b/wYZbWNHCDml:ULBHebEvycUzLbkCa
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
Malware Config
Extracted
tofsee
svartalfheim.top
jotunheim.name
Targets
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Target
file.exe
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Size
213KB
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MD5
cb8cfdd3af63eaa602a08b26f9994322
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SHA1
6f25fb241e1f1810b483fdb5b2b889f1ce448423
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SHA256
ccb7d26fdb3482caa21429847a326b9df999211c9d6009980f62faf6eb97e27d
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SHA512
3ca77dff4e238a84c9b999b3bf62af5cdb023089fa02c46c9d1e8070eafd14fc54e2787d0a827aa006bfd93a4aa78772ad5efe9bb6515f69a12dcda99c01895b
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SSDEEP
3072:DOTLBA7RmQHyebf8sQx5EEKZPUpLRLujxb57b/wYZbWNHCDml:ULBHebEvycUzLbkCa
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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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