Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20231130-en -
resource tags
arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system -
submitted
06-12-2023 02:36
Static task
static1
Behavioral task
behavioral1
Sample
iHZsM0uymI3Vg6u.exe
Resource
win7-20231130-en
Behavioral task
behavioral2
Sample
iHZsM0uymI3Vg6u.exe
Resource
win10v2004-20231127-en
General
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Target
iHZsM0uymI3Vg6u.exe
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Size
733KB
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MD5
3c0248f8ec601644dcc315613c8687d2
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SHA1
7074e7794171f6273d26b889e958ca9904d90388
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SHA256
7e843c9470e591d69b382463986e433872664cb0f39bc232af8a157a6d75594c
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SHA512
75c73a851db5da0a9e9fcc340444302518f0a6043a0450c73170abff83db7fff45895e91f5fd24f6b50d21eaeea44570a68f61d252a6c935ee63e95a3aa7f1de
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SSDEEP
12288:SF5nF8ME6jD/mRRPuAeuBMH4koN3l0X9bKAcHgovMtQBHaVzXi5iK:SFPtD/mRRPuAeuWYkO3l0X9KAno0uHaU
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot5612303943:AAFKYGy6vbiiDfKGcrus6Bdd9XppRu5OBPQ/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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
Processes:
iHZsM0uymI3Vg6u.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2058106572-1146578376-825901627-1000\Software\Microsoft\Windows\CurrentVersion\Run\ydVSL = "C:\\Users\\Admin\\AppData\\Roaming\\ydVSL\\ydVSL.exe" iHZsM0uymI3Vg6u.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 2 api.ipify.org 5 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
iHZsM0uymI3Vg6u.exedescription pid process target process PID 2364 set thread context of 2968 2364 iHZsM0uymI3Vg6u.exe iHZsM0uymI3Vg6u.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
iHZsM0uymI3Vg6u.exepid process 2968 iHZsM0uymI3Vg6u.exe 2968 iHZsM0uymI3Vg6u.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
iHZsM0uymI3Vg6u.exedescription pid process Token: SeDebugPrivilege 2968 iHZsM0uymI3Vg6u.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
iHZsM0uymI3Vg6u.exepid process 2968 iHZsM0uymI3Vg6u.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
iHZsM0uymI3Vg6u.exedescription pid process target process PID 2364 wrote to memory of 2968 2364 iHZsM0uymI3Vg6u.exe iHZsM0uymI3Vg6u.exe PID 2364 wrote to memory of 2968 2364 iHZsM0uymI3Vg6u.exe iHZsM0uymI3Vg6u.exe PID 2364 wrote to memory of 2968 2364 iHZsM0uymI3Vg6u.exe iHZsM0uymI3Vg6u.exe PID 2364 wrote to memory of 2968 2364 iHZsM0uymI3Vg6u.exe iHZsM0uymI3Vg6u.exe PID 2364 wrote to memory of 2968 2364 iHZsM0uymI3Vg6u.exe iHZsM0uymI3Vg6u.exe PID 2364 wrote to memory of 2968 2364 iHZsM0uymI3Vg6u.exe iHZsM0uymI3Vg6u.exe PID 2364 wrote to memory of 2968 2364 iHZsM0uymI3Vg6u.exe iHZsM0uymI3Vg6u.exe PID 2364 wrote to memory of 2968 2364 iHZsM0uymI3Vg6u.exe iHZsM0uymI3Vg6u.exe PID 2364 wrote to memory of 2968 2364 iHZsM0uymI3Vg6u.exe iHZsM0uymI3Vg6u.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\iHZsM0uymI3Vg6u.exe"C:\Users\Admin\AppData\Local\Temp\iHZsM0uymI3Vg6u.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2364 -
C:\Users\Admin\AppData\Local\Temp\iHZsM0uymI3Vg6u.exe"C:\Users\Admin\AppData\Local\Temp\iHZsM0uymI3Vg6u.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2968