General
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Target
file
-
Size
216KB
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Sample
231009-xp4h1aff9v
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MD5
21c68b05ac982cff12afcb9af3a5657d
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SHA1
3651d8e4e0fdc66c1f888e34337ae2c13cb9b904
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SHA256
19a4f6df26db3df254ccf6270b2abe2ef6bcf86264cd17acaa5a46995672bbe4
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SHA512
734382f3432b09248f02799b1ada19787fd29402164a551494c7197f3b45a2527edf1e5b44a907f7cda70b04351acbc547c309f31f8c4347cc16a059a24a8131
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SSDEEP
3072:jHXfua5zpSxP5RcWrYlwRabrTRqQxSCcSd5PYe5OT99c:rfua5zK5RPslwCxS0A5Ts
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
-
Size
216KB
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MD5
21c68b05ac982cff12afcb9af3a5657d
-
SHA1
3651d8e4e0fdc66c1f888e34337ae2c13cb9b904
-
SHA256
19a4f6df26db3df254ccf6270b2abe2ef6bcf86264cd17acaa5a46995672bbe4
-
SHA512
734382f3432b09248f02799b1ada19787fd29402164a551494c7197f3b45a2527edf1e5b44a907f7cda70b04351acbc547c309f31f8c4347cc16a059a24a8131
-
SSDEEP
3072:jHXfua5zpSxP5RcWrYlwRabrTRqQxSCcSd5PYe5OT99c:rfua5zK5RPslwCxS0A5Ts
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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