General
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Target
file
-
Size
274KB
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Sample
231009-kk87gadg67
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MD5
5c35f8f54a25a18450a925821a7f4ba6
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SHA1
5432db03a23af857350e3c70064ead8f68f33e20
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SHA256
88dea8a4856d30c952faf8bde72411e6152458f6c563abaf5d7e450cb822fe7a
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SHA512
8cda8d37e192804439616c6d515151ca45bba2e3f2ade7904b81663780a1554853101f08bb7f8407cca087993bf05500d415fbfaaddf6b85fd35848d1b3b4bbe
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SSDEEP
3072:0jXOHVwPBAI9BvDXcm0m+ND1A38jYsE05qU3i6wU+4l8QU:SXOiPr9BrXcDND+38ssE05qU3i6nZ8Q
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
-
Size
274KB
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MD5
5c35f8f54a25a18450a925821a7f4ba6
-
SHA1
5432db03a23af857350e3c70064ead8f68f33e20
-
SHA256
88dea8a4856d30c952faf8bde72411e6152458f6c563abaf5d7e450cb822fe7a
-
SHA512
8cda8d37e192804439616c6d515151ca45bba2e3f2ade7904b81663780a1554853101f08bb7f8407cca087993bf05500d415fbfaaddf6b85fd35848d1b3b4bbe
-
SSDEEP
3072:0jXOHVwPBAI9BvDXcm0m+ND1A38jYsE05qU3i6wU+4l8QU:SXOiPr9BrXcDND+38ssE05qU3i6nZ8Q
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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