General
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Target
NEAS.e6eba455a3dec3f3b4f52ec852f0335b4955b6508d9d6d6b90e9c21ab293cf0aexe_JC.exe
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Size
202KB
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Sample
231006-tnamragd75
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MD5
9388dbeb6fdf9003fbc7ca159cfda275
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SHA1
ff1d836222240de90ad3d75a279d9cc565869590
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SHA256
e6eba455a3dec3f3b4f52ec852f0335b4955b6508d9d6d6b90e9c21ab293cf0a
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SHA512
98ece8a30b01c71aacd64b9e3b0d5ffe92f5a13b4a73365dabba36be4acf11f331ee424a09b05c48279a810a77e9aff05440c201072082004b68bcdba3dea4c1
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SSDEEP
3072:pRcFAhzF4JmYYa2Nurb9jNbpDp6JUmu5BkIs/Vr:MA/AZD3LrFmzI2V
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.e6eba455a3dec3f3b4f52ec852f0335b4955b6508d9d6d6b90e9c21ab293cf0aexe_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
NEAS.e6eba455a3dec3f3b4f52ec852f0335b4955b6508d9d6d6b90e9c21ab293cf0aexe_JC.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
tofsee
vanaheim.cn
jotunheim.name
Targets
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Target
NEAS.e6eba455a3dec3f3b4f52ec852f0335b4955b6508d9d6d6b90e9c21ab293cf0aexe_JC.exe
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Size
202KB
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MD5
9388dbeb6fdf9003fbc7ca159cfda275
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SHA1
ff1d836222240de90ad3d75a279d9cc565869590
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SHA256
e6eba455a3dec3f3b4f52ec852f0335b4955b6508d9d6d6b90e9c21ab293cf0a
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SHA512
98ece8a30b01c71aacd64b9e3b0d5ffe92f5a13b4a73365dabba36be4acf11f331ee424a09b05c48279a810a77e9aff05440c201072082004b68bcdba3dea4c1
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SSDEEP
3072:pRcFAhzF4JmYYa2Nurb9jNbpDp6JUmu5BkIs/Vr:MA/AZD3LrFmzI2V
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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