General
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Target
NEAS.72778b0c3fa5487016091d2fa18a6c606241c6637afa122a9614007a32ac8cd5exe_JC.exe
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Size
263KB
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Sample
231026-xh5sgsga34
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MD5
3b968158da7a1e64ed03bcab2b284d20
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SHA1
7699288fe01925934612e18a22aef258d93ad967
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SHA256
72778b0c3fa5487016091d2fa18a6c606241c6637afa122a9614007a32ac8cd5
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SHA512
0f7baf9eb9502c9e5d3576bbd7adaa6186078a034a737aa572f977a5de62b3645e8a88b4fe2f94e2d5fbc19b4a1a1d2540f27835a8a640967e25e1c38d7b22b8
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SSDEEP
3072:NsXUTl69SAxLtNW6wBaBccK8/UXWup/p4hzzc0m5R/Rh2Eh5mmOQGib:Ggl61xLXW/BanKUMWup/p03c0cJRUt
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.72778b0c3fa5487016091d2fa18a6c606241c6637afa122a9614007a32ac8cd5exe_JC.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
NEAS.72778b0c3fa5487016091d2fa18a6c606241c6637afa122a9614007a32ac8cd5exe_JC.exe
Resource
win10v2004-20231023-en
Malware Config
Extracted
tofsee
vanaheim.cn
jotunheim.name
Targets
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Target
NEAS.72778b0c3fa5487016091d2fa18a6c606241c6637afa122a9614007a32ac8cd5exe_JC.exe
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Size
263KB
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MD5
3b968158da7a1e64ed03bcab2b284d20
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SHA1
7699288fe01925934612e18a22aef258d93ad967
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SHA256
72778b0c3fa5487016091d2fa18a6c606241c6637afa122a9614007a32ac8cd5
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SHA512
0f7baf9eb9502c9e5d3576bbd7adaa6186078a034a737aa572f977a5de62b3645e8a88b4fe2f94e2d5fbc19b4a1a1d2540f27835a8a640967e25e1c38d7b22b8
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SSDEEP
3072:NsXUTl69SAxLtNW6wBaBccK8/UXWup/p4hzzc0m5R/Rh2Eh5mmOQGib:Ggl61xLXW/BanKUMWup/p03c0cJRUt
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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