Analysis
- max time kernel
149s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
08/06/2024, 01:22
General
- Target 8fbf89ff9f1c63329f5251feed90590b8f3bd725e469b5afd25be717f3cb2ca9.exe
- Size 684KB
- Sample240608-brdjpsfh98
- SHA256 8fbf89ff9f1c63329f5251feed90590b8f3bd725e469b5afd25be717f3cb2ca9
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.springandsummer.lk
-
Port
587
-
Username
-
Password
anu##323
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
- Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
- Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
- Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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).
- 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 13 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\8fbf89ff9f1c63329f5251feed90590b8f3bd725e469b5afd25be717f3cb2ca9.exe"C:\Users\Admin\AppData\Local\Temp\8fbf89ff9f1c63329f5251feed90590b8f3bd725e469b5afd25be717f3cb2ca9.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\8fbf89ff9f1c63329f5251feed90590b8f3bd725e469b5afd25be717f3cb2ca9.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gYctFdAIXtTSr.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gYctFdAIXtTSr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp96F0.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_vlibrgsw.5hs.ps1
tmp96F0.tmp
memory/1108-79-0x0000000007070000-0x0000000007081000-memory.dmp
memory/1108-33-0x0000000005530000-0x0000000005884000-memory.dmp
memory/1108-81-0x00000000070A0000-0x00000000070AE000-memory.dmp
memory/1108-83-0x00000000071B0000-0x00000000071CA000-memory.dmp
memory/1108-76-0x00000000074B0000-0x0000000007B2A000-memory.dmp
memory/1108-84-0x0000000007190000-0x0000000007198000-memory.dmp
memory/1108-49-0x0000000074D90000-0x0000000075540000-memory.dmp
memory/1108-82-0x00000000070B0000-0x00000000070C4000-memory.dmp
memory/1108-47-0x0000000074D90000-0x0000000075540000-memory.dmp
memory/1108-78-0x00000000070F0000-0x0000000007186000-memory.dmp
memory/1108-44-0x0000000074D90000-0x0000000075540000-memory.dmp
memory/1108-73-0x0000000006090000-0x00000000060AE000-memory.dmp
memory/1108-87-0x0000000074D90000-0x0000000075540000-memory.dmp
memory/1108-54-0x0000000071460000-0x00000000714AC000-memory.dmp
memory/3496-45-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3496-92-0x0000000005F70000-0x0000000005FC0000-memory.dmp
memory/3628-7-0x0000000005A70000-0x0000000005A7E000-memory.dmp
memory/3628-0-0x0000000074D9E000-0x0000000074D9F000-memory.dmp
memory/3628-16-0x0000000074D9E000-0x0000000074D9F000-memory.dmp
memory/3628-10-0x0000000006C60000-0x0000000006CFC000-memory.dmp
memory/3628-48-0x0000000074D90000-0x0000000075540000-memory.dmp
memory/3628-9-0x00000000069B0000-0x0000000006A32000-memory.dmp
memory/3628-8-0x0000000005CA0000-0x0000000005CB0000-memory.dmp
memory/3628-6-0x0000000005A50000-0x0000000005A66000-memory.dmp
memory/3628-5-0x0000000074D90000-0x0000000075540000-memory.dmp
memory/3628-4-0x0000000005720000-0x000000000572A000-memory.dmp
memory/3628-3-0x00000000057B0000-0x0000000005842000-memory.dmp
memory/3628-2-0x0000000005CC0000-0x0000000006264000-memory.dmp
memory/3628-1-0x0000000000DA0000-0x0000000000E4E000-memory.dmp
memory/5116-15-0x0000000002AC0000-0x0000000002AF6000-memory.dmp
memory/5116-75-0x0000000007710000-0x000000000772A000-memory.dmp
memory/5116-53-0x0000000071460000-0x00000000714AC000-memory.dmp
memory/5116-77-0x0000000007780000-0x000000000778A000-memory.dmp
memory/5116-52-0x00000000069A0000-0x00000000069D2000-memory.dmp
memory/5116-74-0x0000000007420000-0x00000000074C3000-memory.dmp
memory/5116-20-0x0000000005330000-0x0000000005352000-memory.dmp
memory/5116-23-0x0000000074D90000-0x0000000075540000-memory.dmp
memory/5116-51-0x0000000006460000-0x00000000064AC000-memory.dmp
memory/5116-50-0x00000000063D0000-0x00000000063EE000-memory.dmp
memory/5116-43-0x0000000074D90000-0x0000000075540000-memory.dmp
memory/5116-22-0x0000000005640000-0x00000000056A6000-memory.dmp
memory/5116-21-0x00000000055D0000-0x0000000005636000-memory.dmp
memory/5116-91-0x0000000074D90000-0x0000000075540000-memory.dmp
memory/5116-17-0x00000000056D0000-0x0000000005CF8000-memory.dmp
memory/5116-18-0x0000000074D90000-0x0000000075540000-memory.dmp