Analysis
- max time kernel
77s - max time network
79s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
- submitted
04/04/2023, 09:57
General
- Target SOA 160-54714892.exe
- Size 580KB
- Sample230404-lyxw2aeb49
- SHA256 d98a67065568b317f933edad5c1f2700d1178ece2bc52e511cdf81b9cf2552eb
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.arckenterprises.com
-
Port
587
-
Username
-
Password
Shweta%$#@1234
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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 1 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). 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SOA 160-54714892.exe"C:\Users\Admin\AppData\Local\Temp\SOA 160-54714892.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\sQnSQWdUKNPVTU.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sQnSQWdUKNPVTU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAEE6.tmp"2⤵
- Creates scheduled task(s)
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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 use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
tmpAEE6.tmp
memory/568-70-0x0000000000400000-0x0000000000430000-memory.dmp
memory/568-80-0x0000000004CE0000-0x0000000004D20000-memory.dmp
memory/568-79-0x0000000000400000-0x0000000000430000-memory.dmp
memory/568-77-0x0000000000400000-0x0000000000430000-memory.dmp
memory/568-75-0x0000000000400000-0x0000000000430000-memory.dmp
memory/568-73-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
memory/568-72-0x0000000000400000-0x0000000000430000-memory.dmp
memory/568-71-0x0000000000400000-0x0000000000430000-memory.dmp
memory/568-69-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1676-58-0x0000000000240000-0x000000000024C000-memory.dmp
memory/1676-66-0x0000000004300000-0x0000000004332000-memory.dmp
memory/1676-65-0x0000000000B60000-0x0000000000B66000-memory.dmp
memory/1676-59-0x0000000005070000-0x00000000050E8000-memory.dmp
memory/1676-54-0x0000000000C20000-0x0000000000CB8000-memory.dmp
memory/1676-57-0x0000000004B50000-0x0000000004B90000-memory.dmp
memory/1676-56-0x0000000000220000-0x0000000000234000-memory.dmp
memory/1676-55-0x0000000004B50000-0x0000000004B90000-memory.dmp
memory/1764-74-0x00000000026D0000-0x0000000002710000-memory.dmp