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General
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Target
file
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Size
265KB
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Sample
230919-2fwh9aec97
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MD5
0111f41e24e80b598a7a81c179432920
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SHA1
46c775825a4697946c0fd4b3cd6c881f46430748
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SHA256
bf15d707efcb789d6433f3701a1aa66b60ef87431d889c1f71bd01304139645c
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SHA512
085b08339bd21c71aa9a3c2a8facdacc4345218cd41b120b16a3dd57e8625cfba5e99e9ef46d77475492887d4cd1ee2426c42b6d8b2f4cae6a8730e6316c883f
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SSDEEP
3072:yvXXM+XBaPDKv1lLdixovWmoqtH6v+6+waC7NABBVy+Ya:Q3BODKv3dMovWmYv+TwaC7NCVy
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
265KB
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MD5
0111f41e24e80b598a7a81c179432920
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SHA1
46c775825a4697946c0fd4b3cd6c881f46430748
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SHA256
bf15d707efcb789d6433f3701a1aa66b60ef87431d889c1f71bd01304139645c
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SHA512
085b08339bd21c71aa9a3c2a8facdacc4345218cd41b120b16a3dd57e8625cfba5e99e9ef46d77475492887d4cd1ee2426c42b6d8b2f4cae6a8730e6316c883f
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SSDEEP
3072:yvXXM+XBaPDKv1lLdixovWmoqtH6v+6+waC7NABBVy+Ya:Q3BODKv3dMovWmYv+TwaC7NCVy
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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