Analysis
- max time kernel
53s - max time network
55s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
19/06/2024, 16:18
General
- Target PO#0094321.exe
- Size 689KB
- Sample240619-tscynstbnd
- SHA256 75ae08a3551577bab675fa1b9263e6eb6173be749864b0b073ed535cf57597b9
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
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Username
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Password
qqvQB2@@@@@
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Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 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
- 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).
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 12 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 23 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO#0094321.exe"C:\Users\Admin\AppData\Local\Temp\PO#0094321.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\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\iTdPrWZP.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iTdPrWZP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7C73.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
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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⤵
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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⤵
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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⤵
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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⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_j4zphsf1.y11.ps1
tmp7C73.tmp
memory/1020-8-0x0000000006950000-0x000000000695C000-memory.dmp
memory/1020-9-0x00000000069A0000-0x0000000006A24000-memory.dmp
memory/1020-4-0x0000000005720000-0x000000000572A000-memory.dmp
memory/1020-5-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/1020-6-0x00000000057A0000-0x00000000057B2000-memory.dmp
memory/1020-7-0x0000000005CB0000-0x0000000005CB8000-memory.dmp
memory/1020-2-0x0000000005CC0000-0x0000000006264000-memory.dmp
memory/1020-3-0x0000000005660000-0x00000000056F2000-memory.dmp
memory/1020-10-0x0000000009050000-0x00000000090EC000-memory.dmp
memory/1020-1-0x0000000000BC0000-0x0000000000C72000-memory.dmp
memory/1020-0-0x0000000074A9E000-0x0000000074A9F000-memory.dmp
memory/1020-36-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/2340-65-0x0000000006B30000-0x0000000006B80000-memory.dmp
memory/2340-29-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2888-22-0x00000000060A0000-0x0000000006106000-memory.dmp
memory/2888-51-0x0000000007900000-0x00000000079A3000-memory.dmp
memory/2888-34-0x0000000006110000-0x0000000006464000-memory.dmp
memory/2888-16-0x0000000005810000-0x0000000005E38000-memory.dmp
memory/2888-17-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/2888-21-0x0000000005F30000-0x0000000005F96000-memory.dmp
memory/2888-37-0x00000000066E0000-0x00000000066FE000-memory.dmp
memory/2888-20-0x00000000057D0000-0x00000000057F2000-memory.dmp
memory/2888-38-0x0000000006C70000-0x0000000006CBC000-memory.dmp
memory/2888-19-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/2888-40-0x0000000075320000-0x000000007536C000-memory.dmp
memory/2888-39-0x0000000006CD0000-0x0000000006D02000-memory.dmp
memory/2888-50-0x0000000006D40000-0x0000000006D5E000-memory.dmp
memory/2888-23-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/2888-52-0x0000000008080000-0x00000000086FA000-memory.dmp
memory/2888-53-0x0000000007A40000-0x0000000007A5A000-memory.dmp
memory/2888-54-0x0000000007AB0000-0x0000000007ABA000-memory.dmp
memory/2888-55-0x0000000007CC0000-0x0000000007D56000-memory.dmp
memory/2888-56-0x0000000007C40000-0x0000000007C51000-memory.dmp
memory/2888-57-0x0000000007C70000-0x0000000007C7E000-memory.dmp
memory/2888-58-0x0000000007C80000-0x0000000007C94000-memory.dmp
memory/2888-59-0x0000000007D80000-0x0000000007D9A000-memory.dmp
memory/2888-60-0x0000000007D60000-0x0000000007D68000-memory.dmp
memory/2888-63-0x0000000074A90000-0x0000000075240000-memory.dmp
memory/2888-15-0x0000000002DF0000-0x0000000002E26000-memory.dmp