Analysis
- max time kernel
130s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
17/03/2023, 09:21
General
- Target 0e62cc35e2e3e587f0ccba39e1cb502e.exe
- Size 3.8MB
- Sample230317-lbbqaafd43
- SHA256 462b121f72bc42fcefcfc67174e4de53083b977458c7ed3d4009eec6bddd3f1b
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot6186081135:AAE-pyeAPznTgw_kOutx39khc9POE425kWU/
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 2 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
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\0e62cc35e2e3e587f0ccba39e1cb502e.exe"C:\Users\Admin\AppData\Local\Temp\0e62cc35e2e3e587f0ccba39e1cb502e.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\0e62cc35e2e3e587f0ccba39e1cb502e.exeC:\Users\Admin\AppData\Local\Temp\0e62cc35e2e3e587f0ccba39e1cb502e.exe2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- 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
0e62cc35e2e3e587f0ccba39e1cb502e.exe.log
__PSScriptPolicyTest_dv1ke4v5.uce.ps1
memory/2504-133-0x0000000000670000-0x0000000000A38000-memory.dmp
memory/2504-155-0x00000000053D0000-0x00000000053E0000-memory.dmp
memory/2504-135-0x00000000053D0000-0x00000000053E0000-memory.dmp
memory/2504-134-0x0000000005780000-0x00000000057A2000-memory.dmp
memory/3244-173-0x0000000005B80000-0x0000000005B90000-memory.dmp
memory/3244-172-0x00000000078B0000-0x0000000007A72000-memory.dmp
memory/3244-171-0x0000000007690000-0x00000000076E0000-memory.dmp
memory/3244-170-0x00000000075E0000-0x00000000075EA000-memory.dmp
memory/3244-169-0x0000000007400000-0x0000000007492000-memory.dmp
memory/3244-167-0x0000000005B80000-0x0000000005B90000-memory.dmp
memory/3244-166-0x0000000005FC0000-0x0000000006564000-memory.dmp
memory/3244-163-0x0000000000400000-0x0000000000430000-memory.dmp
memory/4804-139-0x0000000002A10000-0x0000000002A20000-memory.dmp
memory/4804-156-0x0000000002A10000-0x0000000002A20000-memory.dmp
memory/4804-157-0x0000000002A10000-0x0000000002A20000-memory.dmp
memory/4804-158-0x0000000002A10000-0x0000000002A20000-memory.dmp
memory/4804-154-0x0000000002A10000-0x0000000002A20000-memory.dmp
memory/4804-153-0x0000000006380000-0x000000000639A000-memory.dmp
memory/4804-152-0x0000000007780000-0x0000000007DFA000-memory.dmp
memory/4804-151-0x0000000005F20000-0x0000000005F3E000-memory.dmp
memory/4804-141-0x0000000004C20000-0x0000000004C86000-memory.dmp
memory/4804-140-0x0000000005840000-0x00000000058A6000-memory.dmp
memory/4804-138-0x0000000002A10000-0x0000000002A20000-memory.dmp
memory/4804-137-0x00000000050C0000-0x00000000056E8000-memory.dmp
memory/4804-136-0x00000000028B0000-0x00000000028E6000-memory.dmp