General
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Target
NEAS.7291a205dba93db221ee6d6da61d00580f9ddbaf9424465522138b6cb1bbc1b7.exe
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Size
262KB
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Sample
231107-acjazaac25
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MD5
81f5904645e44483a57226ab60e0390b
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SHA1
0bd97534d23998b6d554b48bddd0015d199808ec
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SHA256
7291a205dba93db221ee6d6da61d00580f9ddbaf9424465522138b6cb1bbc1b7
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SHA512
5403b05a65105351fa5b6bc351b3613f930d16bbc0507045a340282029fdc688234fe3f92ef15fcdc9011650a3f96533f9254348bcf33159f381e8914abf281e
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SSDEEP
3072:pFzu3GMDmWLo3NrmuvLLCRpKbm/EJx9teHFKe0fk02q5XI7lVEaP:zzu2MqWLo9rmCXCR38biHF080VIjt
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.7291a205dba93db221ee6d6da61d00580f9ddbaf9424465522138b6cb1bbc1b7.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
NEAS.7291a205dba93db221ee6d6da61d00580f9ddbaf9424465522138b6cb1bbc1b7.exe
Resource
win10v2004-20231023-en
Malware Config
Extracted
tofsee
vanaheim.cn
jotunheim.name
Targets
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Target
NEAS.7291a205dba93db221ee6d6da61d00580f9ddbaf9424465522138b6cb1bbc1b7.exe
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Size
262KB
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MD5
81f5904645e44483a57226ab60e0390b
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SHA1
0bd97534d23998b6d554b48bddd0015d199808ec
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SHA256
7291a205dba93db221ee6d6da61d00580f9ddbaf9424465522138b6cb1bbc1b7
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SHA512
5403b05a65105351fa5b6bc351b3613f930d16bbc0507045a340282029fdc688234fe3f92ef15fcdc9011650a3f96533f9254348bcf33159f381e8914abf281e
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SSDEEP
3072:pFzu3GMDmWLo3NrmuvLLCRpKbm/EJx9teHFKe0fk02q5XI7lVEaP:zzu2MqWLo9rmCXCR38biHF080VIjt
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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