Analysis
- max time kernel
143s - max time network
122s - platform
windows7_x64 - resource
win7-en-20211014 - submitted
22/11/2021, 11:33
General
- Target NEW ORDER FROM CANADA.vbs
- Size 799KB
- Sample211122-nn71csfdaq
- SHA256 5dcfc5e7aff62ecae779bc08d8e66634440a2dc74007b0186c6623fe7f1b1c41
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot2107727636:AAGtenJYFQWUHBz27lev7d_3slnNyCuUhxc/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 5 IoCs
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 1 IoCs
- 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
- 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 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\NEW ORDER FROM CANADA.vbs"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\anyname.exe"C:\Users\Admin\AppData\Local\Temp\anyname.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\anyname.exe"{path}"3⤵
- Executes dropped EXE
- 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
memory/288-61-0x0000000075B71000-0x0000000075B73000-memory.dmp
memory/288-62-0x00000000004B0000-0x00000000004B1000-memory.dmp
memory/288-63-0x00000000003F0000-0x00000000003F5000-memory.dmp
memory/288-64-0x0000000005700000-0x0000000005780000-memory.dmp
memory/288-65-0x0000000000990000-0x00000000009C8000-memory.dmp
memory/288-59-0x0000000000150000-0x0000000000151000-memory.dmp
memory/820-68-0x0000000000400000-0x000000000043C000-memory.dmp
memory/820-69-0x0000000000400000-0x000000000043C000-memory.dmp
memory/820-70-0x0000000000400000-0x000000000043C000-memory.dmp
memory/820-71-0x0000000000400000-0x000000000043C000-memory.dmp
memory/820-67-0x0000000000400000-0x000000000043C000-memory.dmp
memory/820-74-0x0000000000400000-0x000000000043C000-memory.dmp
memory/820-76-0x00000000049E0000-0x00000000049E1000-memory.dmp
memory/820-77-0x00000000049E1000-0x00000000049E2000-memory.dmp
memory/1864-55-0x000007FEFB9C1000-0x000007FEFB9C3000-memory.dmp