Analysis
- max time kernel
55s - max time network
51s - platform
windows10-2004_x64 - resource
win10v2004-20240419-en - resource tags
- submitted
29/04/2024, 12:13
General
- Target Quotation PDF.bat.exe
- Size 659KB
- Sample240429-pdqtrsab39
- SHA256 a689e5f1c8d3a195368dd62cf94953e55abbbb87f75e0363a6d09dfe2bb2bcb9
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
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Host
mail.fascia-arch.com
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Port
587
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Username
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Password
HERbertstown1987
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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).
- 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 9 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Quotation PDF.bat.exe"C:\Users\Admin\AppData\Local\Temp\Quotation PDF.bat.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\Local\Temp\Quotation PDF.bat.exe"2⤵
- 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\wIJZGYVmVbqsV.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\wIJZGYVmVbqsV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7530.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Quotation PDF.bat.exe"C:\Users\Admin\AppData\Local\Temp\Quotation PDF.bat.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
Quotation PDF.bat.exe.log
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_4fotvhjy.owg.ps1
tmp7530.tmp
memory/1596-81-0x0000000007800000-0x0000000007814000-memory.dmp
memory/1596-77-0x0000000007630000-0x000000000763A000-memory.dmp
memory/1596-65-0x0000000074F40000-0x0000000074F8C000-memory.dmp
memory/1596-82-0x0000000007900000-0x000000000791A000-memory.dmp
memory/1596-33-0x0000000004E10000-0x0000000004E20000-memory.dmp
memory/1596-26-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/1596-89-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/1596-34-0x0000000004E10000-0x0000000004E20000-memory.dmp
memory/2412-19-0x0000000004F80000-0x0000000004F90000-memory.dmp
memory/2412-53-0x0000000074F40000-0x0000000074F8C000-memory.dmp
memory/2412-16-0x00000000055C0000-0x0000000005BE8000-memory.dmp
memory/2412-27-0x0000000005C60000-0x0000000005CC6000-memory.dmp
memory/2412-28-0x0000000005CD0000-0x0000000005D36000-memory.dmp
memory/2412-18-0x0000000004F80000-0x0000000004F90000-memory.dmp
memory/2412-90-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/2412-25-0x00000000054D0000-0x00000000054F2000-memory.dmp
memory/2412-15-0x00000000029F0000-0x0000000002A26000-memory.dmp
memory/2412-35-0x0000000005E40000-0x0000000006194000-memory.dmp
memory/2412-83-0x0000000007960000-0x0000000007968000-memory.dmp
memory/2412-80-0x0000000007870000-0x000000000787E000-memory.dmp
memory/2412-79-0x0000000007840000-0x0000000007851000-memory.dmp
memory/2412-78-0x00000000078C0000-0x0000000007956000-memory.dmp
memory/2412-75-0x0000000007C80000-0x00000000082FA000-memory.dmp
memory/2412-51-0x0000000006890000-0x00000000068DC000-memory.dmp
memory/2412-50-0x00000000062F0000-0x000000000630E000-memory.dmp
memory/2412-17-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/2412-52-0x00000000072C0000-0x00000000072F2000-memory.dmp
memory/2412-64-0x0000000007520000-0x00000000075C3000-memory.dmp
memory/2412-76-0x0000000007640000-0x000000000765A000-memory.dmp
memory/2412-63-0x0000000007300000-0x000000000731E000-memory.dmp
memory/4416-5-0x0000000004D10000-0x0000000004D1A000-memory.dmp
memory/4416-2-0x0000000005320000-0x00000000058C4000-memory.dmp
memory/4416-6-0x0000000004FF0000-0x0000000005008000-memory.dmp
memory/4416-8-0x0000000005FD0000-0x0000000005FE6000-memory.dmp
memory/4416-4-0x0000000004CC0000-0x0000000004CD0000-memory.dmp
memory/4416-9-0x0000000006050000-0x00000000060D4000-memory.dmp
memory/4416-10-0x0000000008700000-0x000000000879C000-memory.dmp
memory/4416-0-0x00000000002B0000-0x000000000035A000-memory.dmp
memory/4416-49-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/4416-3-0x0000000004D70000-0x0000000004E02000-memory.dmp
memory/4416-7-0x0000000005310000-0x000000000531E000-memory.dmp
memory/4416-1-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/4760-46-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4760-92-0x00000000067B0000-0x0000000006800000-memory.dmp