Analysis
- max time kernel
97s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
17/11/2022, 16:57
General
- Target SOA.exe
- Size 815KB
- Sample221117-vf9ybaba2v
- SHA256 6a3dc848c0ad77c98fce00a7de5649bdb23bce7c725c10b8cb75fa2f11c7e8df
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot5745656562:AAEWafwrgUiORYk4Z5mN1SY726IYW3inkfw/
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 1 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.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SOA.exe"C:\Users\Admin\AppData\Local\Temp\SOA.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rhttqwhfi.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rhttqwhfi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2CCD.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\SOA.exe"C:\Users\Admin\AppData\Local\Temp\SOA.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- 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
Loading Replay Monitor...
Downloads
tmp2CCD.tmp
memory/228-142-0x0000000000400000-0x000000000043C000-memory.dmp
memory/228-158-0x00000000067C0000-0x0000000006810000-memory.dmp
memory/936-133-0x0000000007470000-0x0000000007A14000-memory.dmp
memory/936-134-0x0000000006F60000-0x0000000006FF2000-memory.dmp
memory/936-135-0x0000000007110000-0x000000000711A000-memory.dmp
memory/936-136-0x000000000AE00000-0x000000000AE9C000-memory.dmp
memory/936-132-0x0000000000010000-0x00000000000E2000-memory.dmp
memory/4256-144-0x0000000005600000-0x0000000005622000-memory.dmp
memory/4256-151-0x0000000007810000-0x0000000007E8A000-memory.dmp
memory/4256-139-0x00000000025A0000-0x00000000025D6000-memory.dmp
memory/4256-145-0x00000000057A0000-0x0000000005806000-memory.dmp
memory/4256-146-0x0000000005880000-0x00000000058E6000-memory.dmp
memory/4256-147-0x0000000005EA0000-0x0000000005EBE000-memory.dmp
memory/4256-148-0x00000000070A0000-0x00000000070D2000-memory.dmp
memory/4256-149-0x0000000070E80000-0x0000000070ECC000-memory.dmp
memory/4256-150-0x0000000006450000-0x000000000646E000-memory.dmp
memory/4256-143-0x0000000004FA0000-0x00000000055C8000-memory.dmp
memory/4256-152-0x00000000071B0000-0x00000000071CA000-memory.dmp
memory/4256-153-0x0000000007220000-0x000000000722A000-memory.dmp
memory/4256-154-0x0000000007430000-0x00000000074C6000-memory.dmp
memory/4256-155-0x00000000073E0000-0x00000000073EE000-memory.dmp
memory/4256-156-0x00000000074F0000-0x000000000750A000-memory.dmp
memory/4256-157-0x00000000074D0000-0x00000000074D8000-memory.dmp