General
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Target
file
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Size
220KB
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Sample
231010-y7v51sbc39
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MD5
884af2d7cc3128dd1e7e3e19b184f7fc
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SHA1
ad24f495da23ba63bad8e54574510a9c60edf6ae
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SHA256
312f76520d3afd443605167937eaf441f126036ea3b57902fd3d9b22cc210681
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SHA512
8e6883897ae3212d3fa4424b0c8c955208a83f084ea3bb9536a42ab19834c7a2f541b01ae70106dd715335089ef93085dfb62841d881820d8b43e115f59cd82f
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SSDEEP
3072:8DORczDkzzLwcFIvAR9vryrhBLM6cV/gS5/4VMJ7Fg3:YDmzLOAR9jyrhtje/LGsJ
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
tofsee
vanaheim.cn
jotunheim.name
Targets
-
-
Target
file
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Size
220KB
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MD5
884af2d7cc3128dd1e7e3e19b184f7fc
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SHA1
ad24f495da23ba63bad8e54574510a9c60edf6ae
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SHA256
312f76520d3afd443605167937eaf441f126036ea3b57902fd3d9b22cc210681
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SHA512
8e6883897ae3212d3fa4424b0c8c955208a83f084ea3bb9536a42ab19834c7a2f541b01ae70106dd715335089ef93085dfb62841d881820d8b43e115f59cd82f
-
SSDEEP
3072:8DORczDkzzLwcFIvAR9vryrhBLM6cV/gS5/4VMJ7Fg3:YDmzLOAR9jyrhtje/LGsJ
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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