General
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Target
Overdue_Invoice_2023.pdf.lnk
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Size
1KB
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Sample
230206-t8xysaeh62
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MD5
65247221e9addff22b50070ba1893bb6
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SHA1
e373bac187d3faeba2d13cb5cf284b79c10f7d0c
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SHA256
9e9262ab44b3df0478357a790aa39abae9217e74349758e39db4bd7064597875
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SHA512
a1a864489b98ddee67c21ee9014a6d3e44b1fd8790af9421b9d9515df7e06d6dbafc85b464424a51a48742d035ba25e423f8edb295107df5badc90c17e1babab
Malware Config
Extracted
cobaltstrike
987654321
http://45.12.253.139:443/an.js
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access_type
512
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beacon_type
2048
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host
45.12.253.139,/an.js
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http_header1
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http_header2
AAAAEAAAABpIb3N0OiBidXNpbmVzc3NlcnZpY2VzLmNvbQAAAAoAAAARQ29ubmVjdGlvbjogY2xvc2UAAAAKAAAAGUFjY2VwdC1FbmNvZGluZzogZ3ppcCwgYnIAAAAKAAAAL0NvbnRlbnQtVHlwZTogYXBwbGljYXRpb24veC13d3ctZm9ybS11cmxlbmNvZGVkAAAABwAAAAEAAAANAAAAAwAAAAIAAAAIZGV0YWlscz0AAAAEAAAABwAAAAAAAAADAAAAAgAAAA5fX3Nlc3Npb25fX2lkPQAAAAYAAAAGQ29va2llAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
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http_method1
GET
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http_method2
POST
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jitter
9472
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polling_time
55991
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port_number
443
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sc_process32
%windir%\syswow64\dllhost.exe
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sc_process64
%windir%\sysnative\dllhost.exe
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state_machine
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCMEuNG3asVOp+bgSmSog10bB55R9e+aj5dF2sVbnRjA/dTkltRdDD0DdF5vJh/gURBikZ4FxqqmfqR2SPAheOzDDrYvV7ScpwPkZe8IUd/DbJmPs30ST9SGHn+eLjTQQEU+I142t7yTsO7HCKf1CTDMHfS3PNoz3V8ivNRwL1aiQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
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unknown1
9.63976192e+08
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unknown2
AAAABAAAAAIAAANxAAAAAwAAAA0AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
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uri
/ch
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user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) Chrome/42.0.2311.135
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watermark
987654321
Targets
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Target
Overdue_Invoice_2023.pdf.lnk
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Size
1KB
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MD5
65247221e9addff22b50070ba1893bb6
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SHA1
e373bac187d3faeba2d13cb5cf284b79c10f7d0c
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SHA256
9e9262ab44b3df0478357a790aa39abae9217e74349758e39db4bd7064597875
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SHA512
a1a864489b98ddee67c21ee9014a6d3e44b1fd8790af9421b9d9515df7e06d6dbafc85b464424a51a48742d035ba25e423f8edb295107df5badc90c17e1babab
Score10/10-
Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Blocklisted process makes network request
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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