General
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Target
file.exe
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Size
228KB
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Sample
231121-j5jxmsdc25
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MD5
98a6e1822713de89f26b0bfaf4f50d97
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SHA1
92daf88970adc6e488213319201816a5a59d2d53
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SHA256
aa55631f758db92cf673fa0cc63dc03781f3ad86ffa61ba31a9eb73140ab9de2
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SHA512
0881b7027c7c361e47b73f596a4820c628f715e26339bec4f71fb44a4c17a4c28f7149065cfc7fc71f36c6836d70ed3b7603acce5ece5a3affc166b6a35a2a57
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SSDEEP
3072:ZhADULG/X+32wZXTOMgepSGaIrOe1od08Eqnm1yGdvHLDzI57:uOGW35ZX5PpSGaIloPE919lbI5
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
-
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Target
file.exe
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Size
228KB
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MD5
98a6e1822713de89f26b0bfaf4f50d97
-
SHA1
92daf88970adc6e488213319201816a5a59d2d53
-
SHA256
aa55631f758db92cf673fa0cc63dc03781f3ad86ffa61ba31a9eb73140ab9de2
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SHA512
0881b7027c7c361e47b73f596a4820c628f715e26339bec4f71fb44a4c17a4c28f7149065cfc7fc71f36c6836d70ed3b7603acce5ece5a3affc166b6a35a2a57
-
SSDEEP
3072:ZhADULG/X+32wZXTOMgepSGaIrOe1od08Eqnm1yGdvHLDzI57:uOGW35ZX5PpSGaIloPE919lbI5
Score10/10-
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