General
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Target
file
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Size
264KB
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Sample
231119-hcftvahh71
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MD5
d085dc6ffcf8e6dc85b72eccd31c3f2b
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SHA1
9262e2f952a57945883bd1aeeb299c356e920fd7
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SHA256
2bc718dd0556573f7dc30befcada86585e1d640656e8d9edf49a0f08f4555332
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SHA512
9102e443b4a9cd78010bf13b1fb664f9e7f8967f46906d36f4edd3c25581600f8b4d4eda0658e9ce77b4d7cbd8aa900d119af04d53a168a18af3ff72b09efaf9
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SSDEEP
6144:MINbP3BLlJJEbKXs4i1Go8Ch06i08MrTpp:MINzxLPbvi1ZfhYrKP
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20231023-en
Malware Config
Extracted
tofsee
vanaheim.cn
jotunheim.name
Targets
-
-
Target
file
-
Size
264KB
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MD5
d085dc6ffcf8e6dc85b72eccd31c3f2b
-
SHA1
9262e2f952a57945883bd1aeeb299c356e920fd7
-
SHA256
2bc718dd0556573f7dc30befcada86585e1d640656e8d9edf49a0f08f4555332
-
SHA512
9102e443b4a9cd78010bf13b1fb664f9e7f8967f46906d36f4edd3c25581600f8b4d4eda0658e9ce77b4d7cbd8aa900d119af04d53a168a18af3ff72b09efaf9
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SSDEEP
6144:MINbP3BLlJJEbKXs4i1Go8Ch06i08MrTpp:MINzxLPbvi1ZfhYrKP
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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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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2