General
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Target
28f97b4c8d62f489f741bede6f460561091d16444a5511fde96ff97d79224800.exe
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Size
613KB
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Sample
240408-bj8d4scc2t
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MD5
9352aacc0cfc4705e987ad1170255ddc
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SHA1
ad1e5fd69da5dc4dbb443f17d0ed8de9c7ca3db5
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SHA256
28f97b4c8d62f489f741bede6f460561091d16444a5511fde96ff97d79224800
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SHA512
834b1bf62ea973144a90296863cc8464d7f9d21d6d35a209c5b66982ecf08ccee93a34e8ccc0b75b939d7b505cf315dbfb4b4b5116802830a722ab0904ff5376
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SSDEEP
12288:WWJGd7DhfUeUP3f7U80wqRI3RK9GIAZE4AP8D1jJlMpdz+D84i9:HJC7DNQfg85qRvZAZ1nD1mz+Y9
Static task
static1
Behavioral task
behavioral1
Sample
28f97b4c8d62f489f741bede6f460561091d16444a5511fde96ff97d79224800.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
28f97b4c8d62f489f741bede6f460561091d16444a5511fde96ff97d79224800.exe
Resource
win10v2004-20240226-en
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
Sl!KOtF7 - Email To:
[email protected]
Targets
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Target
28f97b4c8d62f489f741bede6f460561091d16444a5511fde96ff97d79224800.exe
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Size
613KB
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MD5
9352aacc0cfc4705e987ad1170255ddc
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SHA1
ad1e5fd69da5dc4dbb443f17d0ed8de9c7ca3db5
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SHA256
28f97b4c8d62f489f741bede6f460561091d16444a5511fde96ff97d79224800
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SHA512
834b1bf62ea973144a90296863cc8464d7f9d21d6d35a209c5b66982ecf08ccee93a34e8ccc0b75b939d7b505cf315dbfb4b4b5116802830a722ab0904ff5376
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SSDEEP
12288:WWJGd7DhfUeUP3f7U80wqRI3RK9GIAZE4AP8D1jJlMpdz+D84i9:HJC7DNQfg85qRvZAZ1nD1mz+Y9
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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 packed with or use KoiVM
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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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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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