General
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Target
file
-
Size
272KB
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Sample
231013-egbtxafa64
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MD5
fd228d66dacf3a914214e849dcf19979
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SHA1
6aabf3300d2ab321ea51af659fd1c6a56ce2f236
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SHA256
10ec03f362b7385e68ee249d402663469b8b613dd32961bc38c7c5cd3c4b44b9
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SHA512
f705c41bc1281b8a57d7f6a19446c8705c85e4af9e6c32ad2686d2cfa0ddd563df6f630b262e1a72422d32af1a4a77050d752f8f06d0be5ed2894cbd61d3dfe8
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SSDEEP
3072:F8KnEMUvutnG3L6PG4dM2gbDNCbNCpvDi4xSpv3NY:aKAvutnG3L6PVdENCpMu4xSw
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
272KB
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MD5
fd228d66dacf3a914214e849dcf19979
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SHA1
6aabf3300d2ab321ea51af659fd1c6a56ce2f236
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SHA256
10ec03f362b7385e68ee249d402663469b8b613dd32961bc38c7c5cd3c4b44b9
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SHA512
f705c41bc1281b8a57d7f6a19446c8705c85e4af9e6c32ad2686d2cfa0ddd563df6f630b262e1a72422d32af1a4a77050d752f8f06d0be5ed2894cbd61d3dfe8
-
SSDEEP
3072:F8KnEMUvutnG3L6PG4dM2gbDNCbNCpvDi4xSpv3NY:aKAvutnG3L6PVdENCpMu4xSw
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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