Analysis
- max time kernel
92s - max time network
94s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
07/06/2024, 01:49
General
- Target Automate Purchase orders88777.scr
- Size 789KB
- Sample240607-b8pcjagg52
- SHA256 f7d2f864f121f8a86c7bd403bd70d9f40bb0420415b542b45110a2d4b7daee13
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.voivocars.com
-
Port
587
-
Username
-
Password
ettyquest11
-
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.
- 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Automate Purchase orders88777.scr"C:\Users\Admin\AppData\Local\Temp\Automate Purchase orders88777.scr" /S1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- 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\Local\Temp\Automate Purchase orders88777.scr"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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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\uxgfTKUoXK.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\uxgfTKUoXK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp80C9.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- 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_y2u04txp.gvk.ps1
tmp80C9.tmp
memory/1132-8-0x0000000006E50000-0x0000000006E60000-memory.dmp
memory/1132-5-0x0000000005590000-0x000000000559A000-memory.dmp
memory/1132-6-0x0000000006E10000-0x0000000006E26000-memory.dmp
memory/1132-7-0x0000000006E40000-0x0000000006E4E000-memory.dmp
memory/1132-4-0x0000000074B20000-0x00000000752D0000-memory.dmp
memory/1132-9-0x0000000006EA0000-0x0000000006F22000-memory.dmp
memory/1132-10-0x00000000095F0000-0x000000000968C000-memory.dmp
memory/1132-3-0x00000000054E0000-0x0000000005572000-memory.dmp
memory/1132-0-0x0000000074B2E000-0x0000000074B2F000-memory.dmp
memory/1132-37-0x0000000074B20000-0x00000000752D0000-memory.dmp
memory/1132-2-0x0000000005BB0000-0x0000000006154000-memory.dmp
memory/1132-1-0x0000000000A40000-0x0000000000B0A000-memory.dmp
memory/1800-17-0x0000000074B20000-0x00000000752D0000-memory.dmp
memory/1800-43-0x0000000074B20000-0x00000000752D0000-memory.dmp
memory/1800-89-0x0000000074B20000-0x00000000752D0000-memory.dmp
memory/1800-16-0x0000000004E80000-0x00000000054A8000-memory.dmp
memory/1800-82-0x0000000007190000-0x0000000007198000-memory.dmp
memory/1800-81-0x00000000071B0000-0x00000000071CA000-memory.dmp
memory/1800-18-0x0000000074B20000-0x00000000752D0000-memory.dmp
memory/1800-15-0x0000000002240000-0x0000000002276000-memory.dmp
memory/1800-75-0x00000000074C0000-0x0000000007B3A000-memory.dmp
memory/1800-62-0x0000000075380000-0x00000000753CC000-memory.dmp
memory/1800-73-0x0000000006D40000-0x0000000006DE3000-memory.dmp
memory/2632-77-0x0000000007580000-0x0000000007616000-memory.dmp
memory/2632-63-0x0000000006F60000-0x0000000006F7E000-memory.dmp
memory/2632-22-0x0000000005990000-0x00000000059F6000-memory.dmp
memory/2632-20-0x0000000005110000-0x0000000005132000-memory.dmp
memory/2632-52-0x0000000075380000-0x00000000753CC000-memory.dmp
memory/2632-23-0x0000000074B20000-0x00000000752D0000-memory.dmp
memory/2632-76-0x0000000007370000-0x000000000737A000-memory.dmp
memory/2632-74-0x0000000007300000-0x000000000731A000-memory.dmp
memory/2632-51-0x0000000006F80000-0x0000000006FB2000-memory.dmp
memory/2632-50-0x0000000006070000-0x00000000060BC000-memory.dmp
memory/2632-78-0x0000000007500000-0x0000000007511000-memory.dmp
memory/2632-21-0x0000000005920000-0x0000000005986000-memory.dmp
memory/2632-80-0x0000000007540000-0x0000000007554000-memory.dmp
memory/2632-49-0x0000000005FE0000-0x0000000005FFE000-memory.dmp
memory/2632-83-0x0000000007620000-0x0000000007628000-memory.dmp
memory/2632-35-0x0000000005A00000-0x0000000005D54000-memory.dmp
memory/2632-79-0x0000000007530000-0x000000000753E000-memory.dmp
memory/2632-90-0x0000000074B20000-0x00000000752D0000-memory.dmp
memory/2632-48-0x0000000074B20000-0x00000000752D0000-memory.dmp
memory/2632-36-0x0000000074B20000-0x00000000752D0000-memory.dmp
memory/4512-24-0x0000000000400000-0x0000000000440000-memory.dmp
memory/4512-91-0x0000000005FD0000-0x0000000006020000-memory.dmp