General
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Target
file.exe
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Size
196KB
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Sample
230411-frdxpaae58
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MD5
c0e61d01289f3a5a54e54f53f05e669e
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SHA1
086df3e7728832745a0179c6a3368caddc6a5820
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SHA256
d0db1c583a923cc68693c9299997c8fe784295017d7d6e01a12dd8818bdf1ed8
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SHA512
5cf481318a2b75ced7108a5cfc52924b039e6e3a27e82ad0f916de59d3faf7b1ea2760457fbaa3bbece174cc5f6b384d4469ded279bc8bab2ad46cc6188a0928
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SSDEEP
3072:4w28CrrrZi8q+8Wxmftll6Y1Fj1Iy0b/cUNvA9Nmi2hgSp:b28Ada90mftl0Y1HkUSAKRZ
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230220-en
Malware Config
Extracted
tofsee
vanaheim.cn
jotunheim.name
Targets
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Target
file.exe
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Size
196KB
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MD5
c0e61d01289f3a5a54e54f53f05e669e
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SHA1
086df3e7728832745a0179c6a3368caddc6a5820
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SHA256
d0db1c583a923cc68693c9299997c8fe784295017d7d6e01a12dd8818bdf1ed8
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SHA512
5cf481318a2b75ced7108a5cfc52924b039e6e3a27e82ad0f916de59d3faf7b1ea2760457fbaa3bbece174cc5f6b384d4469ded279bc8bab2ad46cc6188a0928
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SSDEEP
3072:4w28CrrrZi8q+8Wxmftll6Y1Fj1Iy0b/cUNvA9Nmi2hgSp:b28Ada90mftl0Y1HkUSAKRZ
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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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