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General
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Target
file
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Size
195KB
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Sample
231005-pzfwpach83
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MD5
cc2db916f8e2020ed1cf4f741777d101
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SHA1
40e5d582687651ec748be305901738e009a77c9b
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SHA256
b8de746feded9dbd1fb290b18d44d33eb02aaa069f789a92fb630ffa585def95
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SHA512
a527fd44fef11e875c043a92d08e28b307075ab7a498491dc929883f65bdaf1a69a1e046557960406dec925fc8a6f48ec68ae4ec2cc9e98775b34d372741f6e1
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SSDEEP
3072:pPTBMwuu/85WrfofsEeF3IedhnrA7kdSzLYrvNR/4k9Y5IAOmKT0:hTBMo/85QgheFNXrr04zNR/r989
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
195KB
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MD5
cc2db916f8e2020ed1cf4f741777d101
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SHA1
40e5d582687651ec748be305901738e009a77c9b
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SHA256
b8de746feded9dbd1fb290b18d44d33eb02aaa069f789a92fb630ffa585def95
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SHA512
a527fd44fef11e875c043a92d08e28b307075ab7a498491dc929883f65bdaf1a69a1e046557960406dec925fc8a6f48ec68ae4ec2cc9e98775b34d372741f6e1
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SSDEEP
3072:pPTBMwuu/85WrfofsEeF3IedhnrA7kdSzLYrvNR/4k9Y5IAOmKT0:hTBMo/85QgheFNXrr04zNR/r989
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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