Analysis
- max time kernel
118s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
13/06/2023, 10:21
General
- Target b2c83e0f7a3782e08e8ef8edc2cea6bd.exe
- Size 801KB
- Sample230613-mdnnasfg52
- SHA256 aceea30675a0a44b4efad41f7321aa4c5ca66baa1ddb805f4cc12df821bd1775
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.gmail.com
-
Port
587
-
Username
-
Password
kjbcvllgudkhmgln
-
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 2 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\b2c83e0f7a3782e08e8ef8edc2cea6bd.exe"C:\Users\Admin\AppData\Local\Temp\b2c83e0f7a3782e08e8ef8edc2cea6bd.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\b2c83e0f7a3782e08e8ef8edc2cea6bd.exe"C:\Users\Admin\AppData\Local\Temp\b2c83e0f7a3782e08e8ef8edc2cea6bd.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
b2c83e0f7a3782e08e8ef8edc2cea6bd.exe.log
memory/1484-140-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1484-147-0x0000000007270000-0x0000000007432000-memory.dmp
memory/1484-146-0x0000000007050000-0x00000000070A0000-memory.dmp
memory/1484-145-0x0000000005A20000-0x0000000005A30000-memory.dmp
memory/1484-144-0x0000000005A20000-0x0000000005A30000-memory.dmp
memory/1484-143-0x00000000056C0000-0x0000000005726000-memory.dmp
memory/4248-136-0x0000000005340000-0x0000000005350000-memory.dmp
memory/4248-139-0x00000000081E0000-0x000000000827C000-memory.dmp
memory/4248-138-0x0000000005340000-0x0000000005350000-memory.dmp
memory/4248-137-0x0000000005210000-0x000000000521A000-memory.dmp
memory/4248-133-0x00000000006E0000-0x00000000007AE000-memory.dmp
memory/4248-135-0x0000000005160000-0x00000000051F2000-memory.dmp
memory/4248-134-0x0000000005630000-0x0000000005BD4000-memory.dmp