Analysis
- max time kernel
144s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
21/03/2023, 12:49
General
- Target z50Iowk170GoWzS24q.exe
- Size 1.1MB
- Sample230321-p2b1hscc9w
- SHA256 615b9cfb19070c6aa8ec0f8a80147335bc5b276c135f1fe133544c2de0efe83f
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot6174413593:AAEFJFfmmgKHkg-43MZw2Pt5EAT6z2Bs9Ug/
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 11 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\z50Iowk170GoWzS24q.exe"C:\Users\Admin\AppData\Local\Temp\z50Iowk170GoWzS24q.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\z50Iowk170GoWzS24q.exe"C:\Users\Admin\AppData\Local\Temp\z50Iowk170GoWzS24q.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\z50Iowk170GoWzS24q.exe"C:\Users\Admin\AppData\Local\Temp\z50Iowk170GoWzS24q.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
z50Iowk170GoWzS24q.exe.log
memory/2248-139-0x0000000008D10000-0x0000000008DAC000-memory.dmp
memory/2248-135-0x00000000058D0000-0x0000000005962000-memory.dmp
memory/2248-136-0x00000000058B0000-0x00000000058BA000-memory.dmp
memory/2248-137-0x0000000005A30000-0x0000000005A40000-memory.dmp
memory/2248-138-0x0000000005A30000-0x0000000005A40000-memory.dmp
memory/2248-133-0x0000000000DF0000-0x0000000000F04000-memory.dmp
memory/2248-134-0x0000000005DE0000-0x0000000006384000-memory.dmp
memory/4480-140-0x0000000000400000-0x0000000000430000-memory.dmp
memory/4480-144-0x0000000004F50000-0x0000000004FB6000-memory.dmp
memory/4480-145-0x0000000004FF0000-0x0000000005000000-memory.dmp
memory/4480-146-0x0000000006BD0000-0x0000000006C20000-memory.dmp
memory/4480-147-0x0000000006E10000-0x0000000006FD2000-memory.dmp
memory/4480-148-0x0000000004FF0000-0x0000000005000000-memory.dmp