General
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Target
file
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Size
244KB
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Sample
231001-vxn26sdf76
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MD5
027fd7f7551f40b72a612f94da41d973
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SHA1
2ea4f739bcef8c60408fa47bd641053ae855b236
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SHA256
9119602dc4b71bdd06f4152572f2a903c003482a90aa53fedfe36d786c318a4b
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SHA512
f45138da44de13e76bddd11ca5779a377c5ae43bc7917380c3b8e8f3af6b896578241eb8d9b460453678eebb926ed822fab247fd52fb1b05c3430d308d6b48d3
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SSDEEP
3072:xtXrSmy3Cfw2n8vzb3MEdH+6YCFGOXXB5mpVdm3Hg52B4QwJrYTq:7jNvn83BpFBApSrVwYTq
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
244KB
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MD5
027fd7f7551f40b72a612f94da41d973
-
SHA1
2ea4f739bcef8c60408fa47bd641053ae855b236
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SHA256
9119602dc4b71bdd06f4152572f2a903c003482a90aa53fedfe36d786c318a4b
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SHA512
f45138da44de13e76bddd11ca5779a377c5ae43bc7917380c3b8e8f3af6b896578241eb8d9b460453678eebb926ed822fab247fd52fb1b05c3430d308d6b48d3
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SSDEEP
3072:xtXrSmy3Cfw2n8vzb3MEdH+6YCFGOXXB5mpVdm3Hg52B4QwJrYTq:7jNvn83BpFBApSrVwYTq
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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