Analysis
- max time kernel
146s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
- submitted
09/08/2023, 12:22
General
- Target Contract PO-32021.exe
- Size 782KB
- Sample230809-pjw8qsbb65
- SHA256 cdf6f805ecc70e4ca41b5e344059d9b45495d4a4229ac1caec22d609b39ed1e6
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.nutiribio.com
-
Port
587
-
Username
-
Password
zGNVO(l5
-
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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
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
-
C:\Users\Admin\AppData\Local\Temp\Contract PO-32021.exe"C:\Users\Admin\AppData\Local\Temp\Contract PO-32021.exe"2⤵
-
-
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
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Contract PO-32021.exe.log
memory/3464-142-0x0000000000400000-0x0000000000430000-memory.dmp
memory/3464-151-0x0000000005560000-0x0000000005570000-memory.dmp
memory/3464-150-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/3464-149-0x0000000006CA0000-0x0000000006CF0000-memory.dmp
memory/3464-146-0x0000000005560000-0x0000000005570000-memory.dmp
memory/3464-148-0x00000000054C0000-0x0000000005526000-memory.dmp
memory/3464-145-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/4188-141-0x000000000A960000-0x000000000A9FC000-memory.dmp
memory/4188-133-0x0000000000420000-0x00000000004EA000-memory.dmp
memory/4188-140-0x0000000004D40000-0x0000000004D50000-memory.dmp
memory/4188-139-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/4188-147-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/4188-138-0x0000000004D70000-0x0000000004D7A000-memory.dmp
memory/4188-137-0x0000000004D40000-0x0000000004D50000-memory.dmp
memory/4188-136-0x0000000004D90000-0x0000000004E22000-memory.dmp
memory/4188-135-0x0000000005340000-0x00000000058E4000-memory.dmp
memory/4188-134-0x0000000074520000-0x0000000074CD0000-memory.dmp