Analysis
- max time kernel
91s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
28/12/2022, 09:29
General
- Target Commercial Invoice & Packing List.exe
- Size 794KB
- Sample221228-lfw7saaa97
- SHA256 f22e0e86d77e67ae822fbd78fef1108767918aec0df59bc554e0378a45a4c068
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.dmstech.in
-
Port
587
-
Username
-
Password
0]6F9Az.pqfd
-
Email to
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.
- 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.
- 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 4 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\Commercial Invoice & Packing List.exe"C:\Users\Admin\AppData\Local\Temp\Commercial Invoice & Packing List.exe"1⤵
- Checks computer location settings
- 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\mpXhewpenTxFix" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1405.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
tmp1405.tmp
memory/4240-140-0x0000000000400000-0x000000000043C000-memory.dmp
memory/4240-141-0x00000000060B0000-0x0000000006116000-memory.dmp
memory/4240-142-0x0000000006410000-0x0000000006460000-memory.dmp
memory/4828-132-0x0000000000110000-0x00000000001DC000-memory.dmp
memory/4828-133-0x0000000005220000-0x00000000057C4000-memory.dmp
memory/4828-134-0x0000000004B60000-0x0000000004BF2000-memory.dmp
memory/4828-135-0x0000000004D10000-0x0000000004DAC000-memory.dmp
memory/4828-136-0x0000000004C10000-0x0000000004C1A000-memory.dmp