Analysis
- max time kernel
142s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
- submitted
17/07/2023, 16:40
General
- Target PO 42236903.exe
- Size 621KB
- Sample230717-t6jclsec21
- SHA256 a2693d124cf3f74ed8b8a9baa33c58df489ea77d7af5001b87a39d06e0108eb1
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\PO 42236903.exe"C:\Users\Admin\AppData\Local\Temp\PO 42236903.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uOIAThuH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp16EE.tmp"2⤵
- Creates scheduled task(s)
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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
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Downloads
tmp16EE.tmp
memory/1900-151-0x0000000005830000-0x0000000005896000-memory.dmp
memory/1900-150-0x0000000005950000-0x0000000005960000-memory.dmp
memory/1900-155-0x0000000005950000-0x0000000005960000-memory.dmp
memory/1900-154-0x00000000750F0000-0x00000000758A0000-memory.dmp
memory/1900-153-0x00000000073D0000-0x0000000007592000-memory.dmp
memory/1900-152-0x00000000071B0000-0x0000000007200000-memory.dmp
memory/1900-148-0x00000000750F0000-0x00000000758A0000-memory.dmp
memory/1900-146-0x0000000000400000-0x0000000000430000-memory.dmp
memory/4844-135-0x0000000005020000-0x00000000050BC000-memory.dmp
memory/4844-141-0x00000000750F0000-0x00000000758A0000-memory.dmp
memory/4844-137-0x00000000050C0000-0x0000000005152000-memory.dmp
memory/4844-140-0x00000000051C0000-0x0000000005216000-memory.dmp
memory/4844-149-0x00000000750F0000-0x00000000758A0000-memory.dmp
memory/4844-142-0x0000000005230000-0x0000000005240000-memory.dmp
memory/4844-134-0x00000000750F0000-0x00000000758A0000-memory.dmp
memory/4844-139-0x0000000005000000-0x000000000500A000-memory.dmp
memory/4844-138-0x0000000005230000-0x0000000005240000-memory.dmp
memory/4844-133-0x00000000005A0000-0x0000000000642000-memory.dmp
memory/4844-136-0x0000000005670000-0x0000000005C14000-memory.dmp