Analysis
- max time kernel
136s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
18/11/2022, 12:32
General
- Target doc06983120221101093537.exe
- Size 865KB
- Sample221118-pql2cahc87
- SHA256 b33fed1a67ba44a36910b8a91b4c5478262f7b5cd0cc0621a72be29fc19a1c89
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
host39.registrar-servers.com
-
Port
587
-
Username
-
Password
payment 12345
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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
- 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\doc06983120221101093537.exe"C:\Users\Admin\AppData\Local\Temp\doc06983120221101093537.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\doc06983120221101093537.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
doc06983120221101093537.exe.log
memory/1028-132-0x0000000000D80000-0x0000000000E5E000-memory.dmp
memory/1028-133-0x0000000005E30000-0x00000000063D4000-memory.dmp
memory/1028-134-0x00000000057D0000-0x0000000005862000-memory.dmp
memory/1028-135-0x0000000005920000-0x00000000059BC000-memory.dmp
memory/1028-136-0x0000000005890000-0x000000000589A000-memory.dmp
memory/3296-138-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3296-140-0x00000000064C0000-0x0000000006526000-memory.dmp
memory/3296-141-0x0000000007290000-0x00000000072E0000-memory.dmp