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Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
25/12/2024, 07:58
Static task
static1
Behavioral task
behavioral1
Sample
PO_42347623792.exe
Resource
win7-20241010-en
General
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Target
PO_42347623792.exe
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Size
872KB
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MD5
1323078d9d22251cf2f9ad3365f7e178
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SHA1
5e3e2b3d6ddd72973000c301b1da950cf6ac07f1
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SHA256
fca946883c7ceba6682729c17bc5c9e67c7312b2066be69d0d03814392c449e2
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SHA512
927218eefe8ad1d889dfbc5c6d1a872373d99286bc3d4bb033bfc7886cb2308ab02328f9ab33b78749e6a2b6c8abb4c24322359f39312dc82d1d27082ab490fe
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SSDEEP
6144:MHJ84VJk6ZoNsCl4VWqxyvGoQjkXa5Z97Wj43dUVVTtcypaMlRae8KgqmYjS:MLVGFqsRaOSY
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot6852245174:AAHgk_9s-tH6YNacTaCnQz56uJMggI0fZDw/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Agenttesla family
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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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 11 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1936 set thread context of 4340 1936 PO_42347623792.exe 82 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PO_42347623792.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4340 RegAsm.exe 4340 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4340 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4340 RegAsm.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1936 wrote to memory of 4340 1936 PO_42347623792.exe 82 PID 1936 wrote to memory of 4340 1936 PO_42347623792.exe 82 PID 1936 wrote to memory of 4340 1936 PO_42347623792.exe 82 PID 1936 wrote to memory of 4340 1936 PO_42347623792.exe 82 PID 1936 wrote to memory of 4340 1936 PO_42347623792.exe 82 PID 1936 wrote to memory of 4340 1936 PO_42347623792.exe 82 PID 1936 wrote to memory of 4340 1936 PO_42347623792.exe 82 PID 1936 wrote to memory of 4340 1936 PO_42347623792.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\PO_42347623792.exe"C:\Users\Admin\AppData\Local\Temp\PO_42347623792.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1936 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4340
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