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General
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Target
file
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Size
295KB
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Sample
231003-jpbakaah97
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MD5
6957a5f3d470c118331c9782ba0f7e25
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SHA1
b7bfb58c14356659b5921667855878cdce8f9704
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SHA256
6caf5622f61890f6a0e50dba5d080f23b76e80ecb0265884310fec0fb8f0e9f6
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SHA512
becae03c0b216b9ed117d395a3a7c3ad0a63598e435ce261ea0a8d1b8d61bbf15b3b63230431b69804d4124fc3144b89feecbe9b3660eb3622feb93e0c421f5a
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SSDEEP
3072:uFdUUuBC9ByFs7APAk39ttWZys1LuYtRHohiTy:8dUUoCXyFs7MwYstuMHG
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
295KB
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MD5
6957a5f3d470c118331c9782ba0f7e25
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SHA1
b7bfb58c14356659b5921667855878cdce8f9704
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SHA256
6caf5622f61890f6a0e50dba5d080f23b76e80ecb0265884310fec0fb8f0e9f6
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SHA512
becae03c0b216b9ed117d395a3a7c3ad0a63598e435ce261ea0a8d1b8d61bbf15b3b63230431b69804d4124fc3144b89feecbe9b3660eb3622feb93e0c421f5a
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SSDEEP
3072:uFdUUuBC9ByFs7APAk39ttWZys1LuYtRHohiTy:8dUUoCXyFs7MwYstuMHG
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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