General
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Target
file
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Size
268KB
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Sample
230917-3dn7tsff79
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MD5
1b2cb8d1d82833a67bc3428b3aa44946
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SHA1
915236a5564b56fc7610bbd613247f5d42cef643
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SHA256
63289f790fe5380ccd80c9aeb3d370bd7d568f467e8a985bd17fb36bc5b62c45
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SHA512
d71e01ac1adff851c4ff5775871646c21c48ce41c8e1cd235ae5fea1613e4eb00fc6c85569aff1813c5b0a91c20becdc469e4809e3af2b29879b01a8e3507b5d
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SSDEEP
3072:lzOeAt4GTOX6qOjB+AQlNT6NBeSg5i1Xk4v+UwjBIhVaNWYm1T:FOeAsXfeBBQjCeSeS0/N+VThT
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
-
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Target
file
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Size
268KB
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MD5
1b2cb8d1d82833a67bc3428b3aa44946
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SHA1
915236a5564b56fc7610bbd613247f5d42cef643
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SHA256
63289f790fe5380ccd80c9aeb3d370bd7d568f467e8a985bd17fb36bc5b62c45
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SHA512
d71e01ac1adff851c4ff5775871646c21c48ce41c8e1cd235ae5fea1613e4eb00fc6c85569aff1813c5b0a91c20becdc469e4809e3af2b29879b01a8e3507b5d
-
SSDEEP
3072:lzOeAt4GTOX6qOjB+AQlNT6NBeSg5i1Xk4v+UwjBIhVaNWYm1T:FOeAsXfeBBQjCeSeS0/N+VThT
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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