General
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Target
file
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Size
207KB
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Sample
231120-vr2fbaab7v
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MD5
e87285cfb0ee9f7291264ff4f12fc777
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SHA1
32578aaed30806b40f2dd4f49b4d31d11647e41c
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SHA256
ad56f4e1da4441bb9630f80211f53f38d863abf7d7b29eb8f10c4f999753869a
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SHA512
614bbd43f369cec8d0c4c6d3e249ea538c4d9b213cf53cb2d6c48a7f483eb356f2724aa6e45ce4c32911cff1333c067be3552bd0100ab5150263f1dfe66cc949
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SSDEEP
3072:anmUbRBIs7CwOid/I0c0tDM12vpBLLDE7Z4iNFSbvLdj:0HISC/i5/tnXLvEKW8L
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20231025-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20231023-en
Malware Config
Extracted
tofsee
vanaheim.cn
jotunheim.name
Targets
-
-
Target
file
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Size
207KB
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MD5
e87285cfb0ee9f7291264ff4f12fc777
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SHA1
32578aaed30806b40f2dd4f49b4d31d11647e41c
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SHA256
ad56f4e1da4441bb9630f80211f53f38d863abf7d7b29eb8f10c4f999753869a
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SHA512
614bbd43f369cec8d0c4c6d3e249ea538c4d9b213cf53cb2d6c48a7f483eb356f2724aa6e45ce4c32911cff1333c067be3552bd0100ab5150263f1dfe66cc949
-
SSDEEP
3072:anmUbRBIs7CwOid/I0c0tDM12vpBLLDE7Z4iNFSbvLdj:0HISC/i5/tnXLvEKW8L
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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