Analysis
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max time kernel
140s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
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submitted
21-11-2023 02:01
General
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Target
231121-04-AgentTesla-41c205.exe
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Size
682KB
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MD5
e1170fe494e6a857b4423a366207b811
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SHA1
41c205dee65f1e2171919a1e1811d63f28ca1fa7
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SHA256
147030ad2b34a1be1d22bf564cae6d2a858c37d9237d97e28050bf32dc8c5a40
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SHA512
73165b97bb059da3cebac54ce1659dd13d21e7021aca5d32850bad91b85e47f802099b0e9bdc7665aa8eb16c776cfdba6d88867ed30ff6c5abc59e6e190d47a1
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SSDEEP
12288:EeQXucvCeAeQseQKPJkSCzG8d7hq0vwS3RmF6qc96zXFSjwuaQzpccW0S2kZwh:Ee4ucqeAete9JkVzGC7hvvP3+6v9KXsM
Malware Config
Extracted
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
cash@com12345
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
cash@com12345 - 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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
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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 4 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 14 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\231121-04-AgentTesla-41c205.exe"C:\Users\Admin\AppData\Local\Temp\231121-04-AgentTesla-41c205.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- 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\wztCfj.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\wztCfj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp59.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\231121-04-AgentTesla-41c205.exe"C:\Users\Admin\AppData\Local\Temp\231121-04-AgentTesla-41c205.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5a3c2b662e0f81e9246af7d9978aa011f
SHA112feebd63b033695ffa094df8b637da31b0c2129
SHA256005188f6eec4094cd0254d74c519aeeaf799274a99b2f6f5ef47de5e8cddc941
SHA512522f31dd16da967d49e819abc095ec8bc0937c3efb05c6741e9be5cc22069483b4f170142bfb8187397a0274eb5ab07393ee8747a2ea7c998d11df7c024fb387
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Filesize
682KB
MD5e1170fe494e6a857b4423a366207b811
SHA141c205dee65f1e2171919a1e1811d63f28ca1fa7
SHA256147030ad2b34a1be1d22bf564cae6d2a858c37d9237d97e28050bf32dc8c5a40
SHA51273165b97bb059da3cebac54ce1659dd13d21e7021aca5d32850bad91b85e47f802099b0e9bdc7665aa8eb16c776cfdba6d88867ed30ff6c5abc59e6e190d47a1
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Filesize
64KB
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Filesize
64KB
-
Filesize
264KB
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Filesize
7.7MB
-
Filesize
320KB
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Filesize
7.7MB
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Filesize
40KB
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Filesize
64KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
496KB
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Filesize
40KB
-
Filesize
32KB
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Filesize
624KB
-
Filesize
64KB
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Filesize
64KB
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Filesize
7.7MB
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Filesize
584KB
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Filesize
5.6MB
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Filesize
704KB
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Filesize
216KB
-
Filesize
64KB
-
Filesize
408KB
-
Filesize
408KB
-
Filesize
136KB
-
Filesize
120KB
-
Filesize
304KB
-
Filesize
64KB
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Filesize
6.2MB
-
Filesize
200KB
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Filesize
304KB
-
Filesize
120KB
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Filesize
652KB
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Filesize
3.3MB
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Filesize
6.5MB
-
Filesize
104KB
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Filesize
40KB
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Filesize
600KB
-
Filesize
64KB
-
Filesize
68KB
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Filesize
56KB
-
Filesize
80KB
-
Filesize
104KB
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Filesize
32KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
64KB