Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20231130-en -
resource tags
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submitted
06-12-2023 15:24
General
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Target
SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe
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Size
820KB
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MD5
bc3766383208566e84c687962a5f1e46
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SHA1
5ecdcd2adbeafff9009d219ff39218d87f4bf59b
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SHA256
0f5adc0a7be5efcd4fc8192286bb373fea270170782cc83c71b616dde41e0157
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SHA512
237b60664f36e2f75e9f5c83cb1918e96f076e0646cec1acbb71e5ccb61c683092c6c5caa45abc75e1aa694f9f6b57368fa905ff1d480c2b2cd44444693f77c1
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SSDEEP
24576:/scFcWv/uG2qeWYZYmGe8eC5DrJwTEqHytjkQX7tM:7Fcc/uG2RYLQGWTaJXRM
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.amtechcards.com - Port:
587 - Username:
[email protected] - Password:
]i[a(tUWlmp% - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Adds Run key to start application 2 TTPs 1 IoCs
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 5 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 20 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BEGbTvAdfkaXC.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BEGbTvAdfkaXC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4CAA.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD55daa580a60d6ccc17afb27b25edbcd72
SHA1b6aea27755b1d8a23bc019fb7434750bdc3271a1
SHA256ffadefdbbf306466bbb29509b7f03c113ed3ba2936f9561f640b1601ae3c2836
SHA5122dc5cc3e76d0b40f8a8afae89fe520380a33b5a1a99d51ff97185c81bdb8400caf3f232f1128d01df30b9a7ddfd2c8785f8d0802d412991749b9ac9eb6fe9189
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Filesize
6.9MB
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Filesize
6.9MB
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Filesize
848KB
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Filesize
32KB
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Filesize
40KB
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Filesize
496KB
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Filesize
6.9MB
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Filesize
256KB
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Filesize
256KB
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Filesize
104KB
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Filesize
264KB
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Filesize
6.9MB
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Filesize
264KB
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Filesize
256KB
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Filesize
6.9MB
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Filesize
264KB
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Filesize
4KB
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Filesize
264KB
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Filesize
264KB
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Filesize
264KB
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Filesize
256KB
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Filesize
264KB
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Filesize
256KB
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
256KB
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Filesize
5.7MB