Analysis
- max time kernel
142s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
- submitted
20/07/2023, 11:17
General
- Target CI-23JC0607-TWO USA.pdf.exe
- Size 807KB
- Sample230720-ndpq2agb62
- SHA256 8f500096f92da941f02a57f236bd196e79a7e62dd3cfa262d4b84bb6ba5a9771
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.steamd.in
-
Port
587
-
Username
-
Password
Purchase321@#
-
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
- 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).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of AdjustPrivilegeToken 1 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\CI-23JC0607-TWO USA.pdf.exe"C:\Users\Admin\AppData\Local\Temp\CI-23JC0607-TWO USA.pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WwqUbkGCCq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp23EE.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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
tmp23EE.tmp
memory/380-138-0x0000000005380000-0x0000000005390000-memory.dmp
memory/380-149-0x0000000074B10000-0x00000000752C0000-memory.dmp
memory/380-136-0x00000000057E0000-0x0000000005D84000-memory.dmp
memory/380-134-0x0000000074B10000-0x00000000752C0000-memory.dmp
memory/380-133-0x00000000006B0000-0x000000000077E000-memory.dmp
memory/380-139-0x00000000051C0000-0x00000000051CA000-memory.dmp
memory/380-140-0x0000000005480000-0x00000000054D6000-memory.dmp
memory/380-141-0x0000000074B10000-0x00000000752C0000-memory.dmp
memory/380-135-0x00000000050E0000-0x000000000517C000-memory.dmp
memory/380-142-0x0000000005380000-0x0000000005390000-memory.dmp
memory/380-137-0x0000000005230000-0x00000000052C2000-memory.dmp
memory/1496-146-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1496-148-0x0000000074B10000-0x00000000752C0000-memory.dmp
memory/1496-150-0x0000000005200000-0x0000000005210000-memory.dmp
memory/1496-151-0x0000000005210000-0x0000000005276000-memory.dmp
memory/1496-152-0x0000000006C90000-0x0000000006CE0000-memory.dmp
memory/1496-153-0x0000000006EB0000-0x0000000007072000-memory.dmp
memory/1496-154-0x0000000074B10000-0x00000000752C0000-memory.dmp
memory/1496-155-0x0000000005200000-0x0000000005210000-memory.dmp