Analysis
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max time kernel
118s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
22-05-2024 14:30
Behavioral task
behavioral1
Sample
2860-18-0x0000000004BC0000-0x0000000004C02000-memory.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2860-18-0x0000000004BC0000-0x0000000004C02000-memory.exe
Resource
win10v2004-20240426-en
General
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Target
2860-18-0x0000000004BC0000-0x0000000004C02000-memory.exe
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Size
264KB
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MD5
ffc3026a05c88603e148e5712c5eda22
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SHA1
f657199577128a3006ff119afadcf49af3f6e92b
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SHA256
d9874dcb4f227985c089e1d80396457416939959bf990999b71becc10c3152f5
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SHA512
214094a59c9cade962ef672a7b64483ee35b39c0dfcd6c2bcf9f4d2ae80cf542f70219508170091c724902d55f65efee9dff36d9b58adcbd1e1010f5074bd8b8
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SSDEEP
3072:QSjcMsM8G5h0OSGSal0YJnqZhCKRq5op8whR/PB3:9jcMsM8G52OLjeYehHRr8wH
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.airfilterstechnologies.com - Port:
587 - Username:
[email protected] - Password:
#airfilterstechnologies - 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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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:
2860-18-0x0000000004BC0000-0x0000000004C02000-memory.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\avdfUcC = "C:\\Users\\Admin\\AppData\\Roaming\\avdfUcC\\avdfUcC.exe" 2860-18-0x0000000004BC0000-0x0000000004C02000-memory.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 ip-api.com -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
2860-18-0x0000000004BC0000-0x0000000004C02000-memory.exepid process 2276 2860-18-0x0000000004BC0000-0x0000000004C02000-memory.exe 2276 2860-18-0x0000000004BC0000-0x0000000004C02000-memory.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
2860-18-0x0000000004BC0000-0x0000000004C02000-memory.exedescription pid process Token: SeDebugPrivilege 2276 2860-18-0x0000000004BC0000-0x0000000004C02000-memory.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2860-18-0x0000000004BC0000-0x0000000004C02000-memory.exe"C:\Users\Admin\AppData\Local\Temp\2860-18-0x0000000004BC0000-0x0000000004C02000-memory.exe"1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2276