General
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Target
file.exe
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Size
275KB
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Sample
230413-wwfj3see6z
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MD5
5ba507f12eb9410bc6b6e6f6405fad9c
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SHA1
05a44ad00b12db2758dec40cd287e541988c9493
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SHA256
8c1ed5f19fc64f6ddce49308b51d2e5ad445145558c4a67954ba4ea617c134f0
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SHA512
989bbc1c9f61dee17e35cc5d16bba667a54d1b974ed45c517575102a635edf967fe1ca4c4581eae9b42a88d11cf5eb9fd073a1a2bd782afe8891e0d3124a1e5d
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SSDEEP
3072:KB7tgGIXoBno64T/giFbDrQxoKI1R9JPnC50vBJ0nPr:Eg0o6AdDGor1/xrvBAr
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
275KB
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MD5
5ba507f12eb9410bc6b6e6f6405fad9c
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SHA1
05a44ad00b12db2758dec40cd287e541988c9493
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SHA256
8c1ed5f19fc64f6ddce49308b51d2e5ad445145558c4a67954ba4ea617c134f0
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SHA512
989bbc1c9f61dee17e35cc5d16bba667a54d1b974ed45c517575102a635edf967fe1ca4c4581eae9b42a88d11cf5eb9fd073a1a2bd782afe8891e0d3124a1e5d
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SSDEEP
3072:KB7tgGIXoBno64T/giFbDrQxoKI1R9JPnC50vBJ0nPr:Eg0o6AdDGor1/xrvBAr
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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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