General
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Target
file
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Size
221KB
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Sample
230919-d15qnaee7w
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MD5
9af2dd9d72775a4bdfdda7877b47eef9
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SHA1
45da7ba126a46bc8922646a32e65e27486dabb73
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SHA256
d0f9030dbeed2cf285881eaa72226b8fb572ca7b70238cf79a0aa587d122cb39
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SHA512
4a49b1c06783b07616b74cc2434b72857c23fe4cc4f8d576915042f96e8daffb3c3837b9516fc878380b06f32f0c42c017d7b7eb7849548c4872ba56b665eb10
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SSDEEP
3072:8SL44qfLRy61pwVeeM/VHiJYPH6rGefwbGoFEbEmg5mgcp2Ts:t49fLY612VexHiJ2H6qefwb2Jngcp2T
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
221KB
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MD5
9af2dd9d72775a4bdfdda7877b47eef9
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SHA1
45da7ba126a46bc8922646a32e65e27486dabb73
-
SHA256
d0f9030dbeed2cf285881eaa72226b8fb572ca7b70238cf79a0aa587d122cb39
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SHA512
4a49b1c06783b07616b74cc2434b72857c23fe4cc4f8d576915042f96e8daffb3c3837b9516fc878380b06f32f0c42c017d7b7eb7849548c4872ba56b665eb10
-
SSDEEP
3072:8SL44qfLRy61pwVeeM/VHiJYPH6rGefwbGoFEbEmg5mgcp2Ts:t49fLY612VexHiJ2H6qefwb2Jngcp2T
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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