General
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Target
NEAS.b5c77ef0d3c5416d17802b6c03b8767655c5d17e578917b2c9f7dfeb2e8a5c83exe_JC.exe
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Size
291KB
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Sample
231026-yaef1agf29
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MD5
74ed445fa5bbe3469506eff509d86dab
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SHA1
c486f2818f28c8e9ac0a952dd6bf1eb3b66a5d5f
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SHA256
b5c77ef0d3c5416d17802b6c03b8767655c5d17e578917b2c9f7dfeb2e8a5c83
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SHA512
cf475dcfe26a1c8c8210f82bb6d192ce1437327a54ed6394a3270358f78f7c81593cf6401eae78359a97291b3590dab5ef069cbcd17a5d66eacaf6bafe77b3fb
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SSDEEP
3072:xVXUcOVlQoLKKL7NJK6p3QD2KGQ+KBt3RJrRi5qp27UE5Mmj5qe6hsjsQ9ibK:bhOVlQUnL7N86pA19lhpMTWde
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.b5c77ef0d3c5416d17802b6c03b8767655c5d17e578917b2c9f7dfeb2e8a5c83exe_JC.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
NEAS.b5c77ef0d3c5416d17802b6c03b8767655c5d17e578917b2c9f7dfeb2e8a5c83exe_JC.exe
Resource
win10v2004-20231020-en
Malware Config
Extracted
tofsee
vanaheim.cn
jotunheim.name
Targets
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Target
NEAS.b5c77ef0d3c5416d17802b6c03b8767655c5d17e578917b2c9f7dfeb2e8a5c83exe_JC.exe
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Size
291KB
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MD5
74ed445fa5bbe3469506eff509d86dab
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SHA1
c486f2818f28c8e9ac0a952dd6bf1eb3b66a5d5f
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SHA256
b5c77ef0d3c5416d17802b6c03b8767655c5d17e578917b2c9f7dfeb2e8a5c83
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SHA512
cf475dcfe26a1c8c8210f82bb6d192ce1437327a54ed6394a3270358f78f7c81593cf6401eae78359a97291b3590dab5ef069cbcd17a5d66eacaf6bafe77b3fb
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SSDEEP
3072:xVXUcOVlQoLKKL7NJK6p3QD2KGQ+KBt3RJrRi5qp27UE5Mmj5qe6hsjsQ9ibK:bhOVlQUnL7N86pA19lhpMTWde
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Detected phishing page
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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