Analysis
- max time kernel
91s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
09/11/2022, 18:06
General
- Target 41ad41a490e1c1bcec578de0be6ad0bb.exe
- Size 809KB
- Sample221109-wpq28scfcm
- SHA256 a058e4db6871ecf56adf444c908980dbfb1a6eddc2cb2eae86d86c6df6111c30
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.wiramas.com.my
-
Port
587
-
Username
-
Password
wiramastemerloh*01
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.wiramas.com.my
-
Port
587
-
Username
-
Password
wiramastemerloh*01
-
Email to
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 SetWindowsHookEx 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\41ad41a490e1c1bcec578de0be6ad0bb.exe"C:\Users\Admin\AppData\Local\Temp\41ad41a490e1c1bcec578de0be6ad0bb.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\41ad41a490e1c1bcec578de0be6ad0bb.exe"C:\Users\Admin\AppData\Local\Temp\41ad41a490e1c1bcec578de0be6ad0bb.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3868-132-0x0000000000EB0000-0x0000000000F80000-memory.dmp
memory/3868-133-0x0000000005E30000-0x00000000063D4000-memory.dmp
memory/3868-134-0x0000000005930000-0x00000000059C2000-memory.dmp
memory/3868-135-0x0000000005AD0000-0x0000000005ADA000-memory.dmp
memory/3868-136-0x0000000008330000-0x00000000083CC000-memory.dmp
memory/4328-138-0x0000000000400000-0x000000000043C000-memory.dmp
memory/4328-139-0x00000000055B0000-0x0000000005616000-memory.dmp
memory/4328-140-0x0000000006B70000-0x0000000006BC0000-memory.dmp