Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
21-05-2024 09:15
Behavioral task
behavioral1
Sample
2696-19-0x0000000000E90000-0x0000000000ED2000-memory.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2696-19-0x0000000000E90000-0x0000000000ED2000-memory.exe
Resource
win10v2004-20240426-en
General
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Target
2696-19-0x0000000000E90000-0x0000000000ED2000-memory.exe
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Size
264KB
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MD5
2d9e50654a7918f77f340dda78ad1b04
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SHA1
aaed7e2b414773e82993995a872913dc70385d46
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SHA256
6bcd3a3c10560eaecd771f785d977a39fc631a54ace1ebb8fefc0b1985f52384
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SHA512
01d396d70a47a4ed78b9fcc89e8721ca0c2d53e91ed10c0dfe95da4d317bcc6d7a7c49eae957600853581591b286416a90fce27f2b43cc21d76a33bb8175b4ac
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SSDEEP
3072:5G4H8ssscCa0+Z9E2hFIKh5L4jLs5CtOI5cu3p:g4H8ssscCa0QCsOKhN4jLrOm
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.bonnyriggdentalsurgery.com.au - Port:
587 - Username:
[email protected] - Password:
Sages101* - 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:
2696-19-0x0000000000E90000-0x0000000000ED2000-memory.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\avdfUcC = "C:\\Users\\Admin\\AppData\\Roaming\\avdfUcC\\avdfUcC.exe" 2696-19-0x0000000000E90000-0x0000000000ED2000-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:
2696-19-0x0000000000E90000-0x0000000000ED2000-memory.exepid process 2304 2696-19-0x0000000000E90000-0x0000000000ED2000-memory.exe 2304 2696-19-0x0000000000E90000-0x0000000000ED2000-memory.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
2696-19-0x0000000000E90000-0x0000000000ED2000-memory.exedescription pid process Token: SeDebugPrivilege 2304 2696-19-0x0000000000E90000-0x0000000000ED2000-memory.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2696-19-0x0000000000E90000-0x0000000000ED2000-memory.exe"C:\Users\Admin\AppData\Local\Temp\2696-19-0x0000000000E90000-0x0000000000ED2000-memory.exe"1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2304