Analysis
- max time kernel
123s - max time network
130s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
- submitted
10/07/2024, 05:49
General
- Target Packing list PL#9589-SL2024-03.exe
- Size 738KB
- Sample240710-gh2g3ascke
- SHA256 7c2e9cf8736d5385f3e8bbf3f2a227654d9bd5bc5a62cb5a2797efbfab730479
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.bonnyriggdentalsurgery.com.au
-
Port
587
-
Username
-
Password
Sages101*
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.bonnyriggdentalsurgery.com.au
-
Port
587
-
Username
-
Password
Sages101*
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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.
- 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 3 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 11 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Packing list PL#9589-SL2024-03.exe"C:\Users\Admin\AppData\Local\Temp\Packing list PL#9589-SL2024-03.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\Packing list PL#9589-SL2024-03.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\WERwhnf.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\WERwhnf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp318.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\Packing list PL#9589-SL2024-03.exe"C:\Users\Admin\AppData\Local\Temp\Packing list PL#9589-SL2024-03.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
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
StartupProfileData-NonInteractive
__PSScriptPolicyTest_bohiojqd.jdl.ps1
tmp318.tmp
memory/1272-34-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1272-91-0x0000000006DE0000-0x0000000006E30000-memory.dmp
memory/1796-80-0x00000000070C0000-0x00000000070D1000-memory.dmp
memory/1796-20-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/1796-79-0x0000000007140000-0x00000000071D6000-memory.dmp
memory/1796-65-0x0000000074D80000-0x0000000074DCC000-memory.dmp
memory/1796-50-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/1796-81-0x00000000070F0000-0x00000000070FE000-memory.dmp
memory/1796-83-0x0000000007200000-0x000000000721A000-memory.dmp
memory/1796-90-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/1796-23-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/4252-16-0x0000000004630000-0x0000000004666000-memory.dmp
memory/4252-28-0x0000000005570000-0x00000000058C4000-memory.dmp
memory/4252-17-0x0000000004CE0000-0x0000000005308000-memory.dmp
memory/4252-25-0x0000000005380000-0x00000000053E6000-memory.dmp
memory/4252-24-0x0000000005310000-0x0000000005376000-memory.dmp
memory/4252-18-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/4252-22-0x0000000004BE0000-0x0000000004C02000-memory.dmp
memory/4252-87-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/4252-84-0x00000000071F0000-0x00000000071F8000-memory.dmp
memory/4252-82-0x0000000007110000-0x0000000007124000-memory.dmp
memory/4252-78-0x0000000006F40000-0x0000000006F4A000-memory.dmp
memory/4252-53-0x0000000006B80000-0x0000000006BB2000-memory.dmp
memory/4252-27-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/4252-77-0x0000000006ED0000-0x0000000006EEA000-memory.dmp
memory/4252-76-0x0000000007520000-0x0000000007B9A000-memory.dmp
memory/4252-51-0x0000000005B90000-0x0000000005BAE000-memory.dmp
memory/4252-52-0x0000000005BB0000-0x0000000005BFC000-memory.dmp
memory/4252-19-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/4252-64-0x0000000006160000-0x000000000617E000-memory.dmp
memory/4252-54-0x0000000074D80000-0x0000000074DCC000-memory.dmp
memory/4252-66-0x0000000006BC0000-0x0000000006C63000-memory.dmp
memory/4984-8-0x0000000006810000-0x0000000006818000-memory.dmp
memory/4984-9-0x0000000006820000-0x000000000682E000-memory.dmp
memory/4984-49-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/4984-10-0x0000000006880000-0x0000000006904000-memory.dmp
memory/4984-7-0x0000000006E20000-0x0000000006E32000-memory.dmp
memory/4984-6-0x0000000005720000-0x00000000057E8000-memory.dmp
memory/4984-5-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/4984-11-0x0000000009210000-0x00000000092AC000-memory.dmp
memory/4984-4-0x0000000005680000-0x000000000568A000-memory.dmp
memory/4984-26-0x000000007452E000-0x000000007452F000-memory.dmp
memory/4984-0-0x000000007452E000-0x000000007452F000-memory.dmp
memory/4984-3-0x00000000054C0000-0x0000000005552000-memory.dmp
memory/4984-2-0x00000000059B0000-0x0000000005F54000-memory.dmp
memory/4984-1-0x0000000000A30000-0x0000000000AEE000-memory.dmp