Analysis
- max time kernel
149s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
13/04/2023, 12:21
General
- Target New Order PI-19-09878.exe
- Size 918KB
- Sample230413-pjbl2acf61
- SHA256 973f64500a876ef6c68258c885b79d31b9d795459f7bd27c0cd64ec0b68ac6b7
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot6258465660:AAFAPHkxw9lv-YgWk0oo5r_nv12k7nJhSWA/
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
- Looks for VMWare Tools registry key 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- 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
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
- 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 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\New Order PI-19-09878.exe"C:\Users\Admin\AppData\Local\Temp\New Order PI-19-09878.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RJrDUk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4517.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\New Order PI-19-09878.exe"{path}"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\New Order PI-19-09878.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- 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
New Order PI-19-09878.exe.log
tmp4517.tmp
memory/1636-141-0x000000000CA70000-0x000000000CAD6000-memory.dmp
memory/1636-135-0x0000000005EF0000-0x0000000006494000-memory.dmp
memory/1636-137-0x0000000005880000-0x000000000588A000-memory.dmp
memory/1636-138-0x0000000005A80000-0x0000000005AD6000-memory.dmp
memory/1636-139-0x00000000059C0000-0x00000000059D0000-memory.dmp
memory/1636-140-0x00000000059C0000-0x00000000059D0000-memory.dmp
memory/1636-133-0x0000000000E10000-0x0000000000EFC000-memory.dmp
memory/1636-136-0x00000000059E0000-0x0000000005A72000-memory.dmp
memory/1636-134-0x00000000058A0000-0x000000000593C000-memory.dmp
memory/3408-145-0x0000000000400000-0x0000000000430000-memory.dmp
memory/3408-148-0x0000000005650000-0x0000000005660000-memory.dmp
memory/3408-149-0x0000000007020000-0x0000000007070000-memory.dmp
memory/3408-150-0x0000000007240000-0x0000000007402000-memory.dmp
memory/3408-151-0x0000000005650000-0x0000000005660000-memory.dmp