General
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Target
4b9dbeee2dbe681468c1b8456226ff110e8e09914a84c5b190da6ae3f8e702f1
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Size
513KB
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Sample
221123-vtswysaa36
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MD5
51fe45f2ba4d782a5bdf6d19c465269b
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SHA1
2a05df60cd38f24ad6f68be193eeb89029a03611
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SHA256
4b9dbeee2dbe681468c1b8456226ff110e8e09914a84c5b190da6ae3f8e702f1
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SHA512
e02e1462c3cc4845bd32da4bfb4188ad0ec7841d636a796369b235ceb9e2ed79a2b3b6a79e019dd26191c3f833bf5472f6a7b08e5aaee3c3408ca199dc757b06
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SSDEEP
12288:5o40ZPBwUNEN7qauy6y19wlR9EOFRXz+q/LJzZ8F:5oJBwwCruy6yKEOjTT
Static task
static1
Behavioral task
behavioral1
Sample
4b9dbeee2dbe681468c1b8456226ff110e8e09914a84c5b190da6ae3f8e702f1.exe
Resource
win7-20221111-en
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.ru - Port:
587 - Username:
[email protected] - Password:
favour123
Targets
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Target
4b9dbeee2dbe681468c1b8456226ff110e8e09914a84c5b190da6ae3f8e702f1
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Size
513KB
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MD5
51fe45f2ba4d782a5bdf6d19c465269b
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SHA1
2a05df60cd38f24ad6f68be193eeb89029a03611
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SHA256
4b9dbeee2dbe681468c1b8456226ff110e8e09914a84c5b190da6ae3f8e702f1
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SHA512
e02e1462c3cc4845bd32da4bfb4188ad0ec7841d636a796369b235ceb9e2ed79a2b3b6a79e019dd26191c3f833bf5472f6a7b08e5aaee3c3408ca199dc757b06
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SSDEEP
12288:5o40ZPBwUNEN7qauy6y19wlR9EOFRXz+q/LJzZ8F:5oJBwwCruy6yKEOjTT
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NirSoft WebBrowserPassView
Password recovery tool for various web browsers
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Nirsoft
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Executes dropped EXE
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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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Loads dropped DLL
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Uses the VBS compiler for execution
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Adds Run key to start application
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext
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