Analysis
- max time kernel
141s - max time network
33s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
- submitted
17/05/2023, 12:45
General
- Target 9cf450fc0f69cccd0aa1e7059ff464c6.exe
- Size 267KB
- Sample230517-py3dasfa63
- SHA256 bebd0c5009a5b0b0a06fbe0020bd6f083ed90509771dbf1f8010e19e527bf464
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot2134979594:AAFk4QkrlHlt2a-q-EhIoHZBbzxSH0QxiBI/
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Loads dropped DLL 1 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\9cf450fc0f69cccd0aa1e7059ff464c6.exe"C:\Users\Admin\AppData\Local\Temp\9cf450fc0f69cccd0aa1e7059ff464c6.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\9cf450fc0f69cccd0aa1e7059ff464c6.exe"C:\Users\Admin\AppData\Local\Temp\9cf450fc0f69cccd0aa1e7059ff464c6.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
eiyhkfb.dll
memory/1648-63-0x0000000000400000-0x0000000000441000-memory.dmp
memory/1648-65-0x0000000000400000-0x0000000000441000-memory.dmp
memory/1648-67-0x0000000001D80000-0x0000000001DB0000-memory.dmp
memory/1648-68-0x0000000000400000-0x0000000000441000-memory.dmp
memory/1648-69-0x0000000002130000-0x0000000002170000-memory.dmp
memory/1648-70-0x0000000002130000-0x0000000002170000-memory.dmp
memory/1648-71-0x0000000002130000-0x0000000002170000-memory.dmp
memory/2012-66-0x0000000002C90000-0x0000000002C93000-memory.dmp