Analysis
- max time kernel
120s - max time network
123s - platform
windows7_x64 - resource
win7-20230712-en - resource tags
- submitted
09/08/2023, 12:22
General
- Target Contract PO-32021.exe
- Size 782KB
- Sample230809-pjw8qsbb65
- SHA256 cdf6f805ecc70e4ca41b5e344059d9b45495d4a4229ac1caec22d609b39ed1e6
Malware Config
Extracted
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agenttesla
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Protocol
smtp
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Host
smtp.nutiribio.com
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Port
587
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Username
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Password
zGNVO(l5
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Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Contract PO-32021.exe"C:\Users\Admin\AppData\Local\Temp\Contract PO-32021.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Contract PO-32021.exe"C:\Users\Admin\AppData\Local\Temp\Contract PO-32021.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\Contract PO-32021.exe"C:\Users\Admin\AppData\Local\Temp\Contract PO-32021.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\Contract PO-32021.exe"C:\Users\Admin\AppData\Local\Temp\Contract PO-32021.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\Contract PO-32021.exe"C:\Users\Admin\AppData\Local\Temp\Contract PO-32021.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/1616-54-0x0000000073990000-0x000000007407E000-memory.dmp
memory/1616-55-0x0000000000220000-0x00000000002EA000-memory.dmp
memory/1616-56-0x0000000004D20000-0x0000000004D60000-memory.dmp
memory/1616-57-0x00000000003C0000-0x00000000003DC000-memory.dmp
memory/1616-58-0x0000000073990000-0x000000007407E000-memory.dmp
memory/1616-59-0x0000000004D20000-0x0000000004D60000-memory.dmp
memory/1616-60-0x00000000003F0000-0x00000000003FE000-memory.dmp
memory/1616-61-0x0000000004D20000-0x0000000004D60000-memory.dmp
memory/1616-62-0x0000000005C40000-0x0000000005CA8000-memory.dmp
memory/1616-75-0x0000000073990000-0x000000007407E000-memory.dmp
memory/2196-64-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2196-66-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2196-65-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2196-67-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2196-69-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2196-71-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2196-73-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2196-74-0x0000000073990000-0x000000007407E000-memory.dmp
memory/2196-76-0x0000000004E80000-0x0000000004EC0000-memory.dmp
memory/2196-63-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2196-77-0x0000000073990000-0x000000007407E000-memory.dmp
memory/2196-78-0x0000000004E80000-0x0000000004EC0000-memory.dmp