General
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Target
vbc.exe
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Size
783KB
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Sample
211019-s8nvfagbc3
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MD5
41c7bfc7333edd0ad3ede2cc7ef23ebe
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SHA1
880b1892d082178a113b6af32d81339c0255d634
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SHA256
816c0f7e9fe03057d6ad0cbb7e93b97e3e5da9c508421b1e7ac6db3fd32e0ae7
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SHA512
f7577c933ff990627b7387a652e67aa39a959ad9176b2d7d4ac3e00967f5c77111fc3bb1d2a7c29dfbbad3f0be8b001852d00d5b4968173cd677df5eec8dd602
Static task
static1
Behavioral task
behavioral1
Sample
vbc.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
vbc.exe
Resource
win10-en-20211014
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.xxltrucck.com - Port:
587 - Username:
[email protected] - Password:
vFguU*i0
Targets
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Target
vbc.exe
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Size
783KB
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MD5
41c7bfc7333edd0ad3ede2cc7ef23ebe
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SHA1
880b1892d082178a113b6af32d81339c0255d634
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SHA256
816c0f7e9fe03057d6ad0cbb7e93b97e3e5da9c508421b1e7ac6db3fd32e0ae7
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SHA512
f7577c933ff990627b7387a652e67aa39a959ad9176b2d7d4ac3e00967f5c77111fc3bb1d2a7c29dfbbad3f0be8b001852d00d5b4968173cd677df5eec8dd602
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload
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Drops file in Drivers directory
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Executes dropped EXE
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Loads dropped DLL
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Obfuscated with Agile.Net obfuscator
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
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Uses the VBS compiler for execution
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Accesses Microsoft Outlook profiles
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Suspicious use of SetThreadContext
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