General
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Target
file
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Size
275KB
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Sample
231007-l742psda25
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MD5
37e8afe822dc8d06078c73ab9e4816a1
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SHA1
e4b4b2dfd6a66a1dbea60d0ecbbcc23ccb7e7bcd
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SHA256
127a9938c53791b618ab9c7bebd7cf4213ca8d09edd66ba9b57d890b2d38b201
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SHA512
cbbbe76b3dbad8c277ffe3e6ab2c8964ea78cb6cb37f092fb78e5aab88a0eb496a127d4ee37e30484558263db28ca732e1f6f35e5219443aa1f9b2c683746897
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SSDEEP
3072:JBnLNZ4GUDwl1uuTwIJjtDuWe2+JKMN9PJ6g6w:bJZrUDwl1uuMIJjtKXLrPgg
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
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Size
275KB
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MD5
37e8afe822dc8d06078c73ab9e4816a1
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SHA1
e4b4b2dfd6a66a1dbea60d0ecbbcc23ccb7e7bcd
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SHA256
127a9938c53791b618ab9c7bebd7cf4213ca8d09edd66ba9b57d890b2d38b201
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SHA512
cbbbe76b3dbad8c277ffe3e6ab2c8964ea78cb6cb37f092fb78e5aab88a0eb496a127d4ee37e30484558263db28ca732e1f6f35e5219443aa1f9b2c683746897
-
SSDEEP
3072:JBnLNZ4GUDwl1uuTwIJjtDuWe2+JKMN9PJ6g6w:bJZrUDwl1uuMIJjtKXLrPgg
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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