General
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Target
8b3aa60f494833274c18171586730f2f4650a0c8c2de4cd901d853948b6f1fce.exe
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Size
46KB
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Sample
240523-b5ghhsha91
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MD5
c34b58d960ea87eec970a9333c7f9292
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SHA1
ca23b1d2418edc91a2a49968738ce09a6f7bbfc6
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SHA256
8b3aa60f494833274c18171586730f2f4650a0c8c2de4cd901d853948b6f1fce
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SHA512
e1dc12741f2448059aeb99be1f6e0df91bb4ee655b3be892ecc027842e78c39b3388cb5748dbac8b56f8ad245312194159522619b26c6775f558b72245c64aab
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SSDEEP
768:LDpDj/nau11+B1Z9wg4MYVctOi3FaKMUXF1x2ySCtk7PHqAk:HpvnaK1+ZWg4MYVcAKMUX/x26qHVk
Malware Config
Extracted
Protocol: smtp- Host:
mail.dentallink.com.uy - Port:
587 - Username:
[email protected] - Password:
Salvador3274
Extracted
agenttesla
Protocol: smtp- Host:
mail.dentallink.com.uy - Port:
587 - Username:
[email protected] - Password:
Salvador3274 - Email To:
[email protected]
Targets
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Target
8b3aa60f494833274c18171586730f2f4650a0c8c2de4cd901d853948b6f1fce.exe
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Size
46KB
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MD5
c34b58d960ea87eec970a9333c7f9292
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SHA1
ca23b1d2418edc91a2a49968738ce09a6f7bbfc6
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SHA256
8b3aa60f494833274c18171586730f2f4650a0c8c2de4cd901d853948b6f1fce
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SHA512
e1dc12741f2448059aeb99be1f6e0df91bb4ee655b3be892ecc027842e78c39b3388cb5748dbac8b56f8ad245312194159522619b26c6775f558b72245c64aab
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SSDEEP
768:LDpDj/nau11+B1Z9wg4MYVctOi3FaKMUXF1x2ySCtk7PHqAk:HpvnaK1+ZWg4MYVcAKMUX/x26qHVk
Score10/10-
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect packed .NET executables. Mostly AgentTeslaV4.
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Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
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Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
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Detects executables referencing Windows vault credential objects. Observed in infostealers
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Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
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Detects executables referencing many email and collaboration clients. Observed in information stealers
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Detects executables referencing many file transfer clients. Observed in information stealers
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Reads user/profile data of local email clients
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
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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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