Analysis
- max time kernel
141s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
13/06/2024, 06:03
General
- Target scandocuments2020.exe
- Size 554KB
- Sample240613-gr2t7a1arj
- SHA256 7301fa4edc89a5bd4a18479ebf5b88460ee35b4631e147a8754866a58bcae873
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.commutatrindia.com
-
Port
587
-
Username
-
Password
xs)(eoL4
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla payload 1 IoCs
- 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
- 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 behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\scandocuments2020.exe"C:\Users\Admin\AppData\Local\Temp\scandocuments2020.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pyhWkjFSbTJH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2110.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"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 v15
Replay Monitor
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Downloads
tmp2110.tmp
memory/1432-10-0x0000000075180000-0x0000000075930000-memory.dmp
memory/1432-12-0x0000000006420000-0x0000000006426000-memory.dmp
memory/1432-3-0x0000000005D70000-0x0000000006314000-memory.dmp
memory/1432-4-0x00000000057C0000-0x0000000005852000-memory.dmp
memory/1432-5-0x00000000056C0000-0x00000000056CA000-memory.dmp
memory/1432-6-0x00000000058C0000-0x0000000005916000-memory.dmp
memory/1432-7-0x0000000075180000-0x0000000075930000-memory.dmp
memory/1432-8-0x0000000005700000-0x0000000005718000-memory.dmp
memory/1432-9-0x000000007518E000-0x000000007518F000-memory.dmp
memory/1432-13-0x00000000066F0000-0x000000000672E000-memory.dmp
memory/1432-2-0x0000000005720000-0x00000000057BC000-memory.dmp
memory/1432-11-0x0000000006690000-0x00000000066EE000-memory.dmp
memory/1432-0-0x000000007518E000-0x000000007518F000-memory.dmp
memory/1432-1-0x0000000000C90000-0x0000000000D20000-memory.dmp
memory/1432-21-0x0000000075180000-0x0000000075930000-memory.dmp
memory/1988-19-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1988-22-0x0000000075180000-0x0000000075930000-memory.dmp
memory/1988-23-0x0000000075180000-0x0000000075930000-memory.dmp
memory/1988-24-0x00000000057B0000-0x00000000057C8000-memory.dmp
memory/1988-25-0x0000000006510000-0x0000000006576000-memory.dmp
memory/1988-27-0x0000000075180000-0x0000000075930000-memory.dmp
memory/1988-28-0x0000000006D50000-0x0000000006DA0000-memory.dmp