Analysis
- max time kernel
121s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
- submitted
18/07/2024, 06:28
General
- Target PO 7780-98.exe
- Size 1.0MB
- Sample240718-g8bpbsxejp
- SHA256 4793526dcbbe5246f5d8a0c89df2eddb8f0820e8a096142bb0827718ccdab4cf
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\PO 7780-98.exe"C:\Users\Admin\AppData\Local\Temp\PO 7780-98.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\PO 7780-98.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\bUobjN.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\bUobjN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBB0F.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\PO 7780-98.exe"C:\Users\Admin\AppData\Local\Temp\PO 7780-98.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
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_fq25jh4s.jgf.ps1
tmpBB0F.tmp
memory/1484-19-0x0000000074870000-0x0000000075020000-memory.dmp
memory/1484-88-0x0000000074870000-0x0000000075020000-memory.dmp
memory/1484-75-0x0000000007860000-0x00000000078F6000-memory.dmp
memory/1484-74-0x0000000007650000-0x000000000765A000-memory.dmp
memory/1484-60-0x0000000070BB0000-0x0000000070BFC000-memory.dmp
memory/1484-20-0x0000000074870000-0x0000000075020000-memory.dmp
memory/1704-25-0x0000000005090000-0x00000000050F6000-memory.dmp
memory/1704-50-0x0000000070BB0000-0x0000000070BFC000-memory.dmp
memory/1704-17-0x0000000074870000-0x0000000075020000-memory.dmp
memory/1704-16-0x0000000005260000-0x0000000005888000-memory.dmp
memory/1704-18-0x0000000074870000-0x0000000075020000-memory.dmp
memory/1704-87-0x0000000074870000-0x0000000075020000-memory.dmp
memory/1704-81-0x00000000074E0000-0x00000000074E8000-memory.dmp
memory/1704-21-0x0000000074870000-0x0000000075020000-memory.dmp
memory/1704-80-0x0000000007500000-0x000000000751A000-memory.dmp
memory/1704-23-0x0000000004ED0000-0x0000000004EF2000-memory.dmp
memory/1704-24-0x0000000004F70000-0x0000000004FD6000-memory.dmp
memory/1704-79-0x0000000007400000-0x0000000007414000-memory.dmp
memory/1704-78-0x00000000073F0000-0x00000000073FE000-memory.dmp
memory/1704-76-0x00000000073C0000-0x00000000073D1000-memory.dmp
memory/1704-73-0x00000000071C0000-0x00000000071DA000-memory.dmp
memory/1704-48-0x0000000005ED0000-0x0000000005F1C000-memory.dmp
memory/1704-47-0x0000000005DA0000-0x0000000005DBE000-memory.dmp
memory/1704-15-0x00000000025A0000-0x00000000025D6000-memory.dmp
memory/1704-72-0x0000000007800000-0x0000000007E7A000-memory.dmp
memory/1704-49-0x0000000006E50000-0x0000000006E82000-memory.dmp
memory/1704-61-0x0000000006470000-0x000000000648E000-memory.dmp
memory/1704-71-0x0000000006E90000-0x0000000006F33000-memory.dmp
memory/1976-7-0x0000000007920000-0x000000000793A000-memory.dmp
memory/1976-2-0x0000000004FB0000-0x0000000005554000-memory.dmp
memory/1976-5-0x0000000074870000-0x0000000075020000-memory.dmp
memory/1976-4-0x0000000005560000-0x00000000058B4000-memory.dmp
memory/1976-8-0x00000000060C0000-0x00000000060CE000-memory.dmp
memory/1976-0-0x000000007487E000-0x000000007487F000-memory.dmp
memory/1976-9-0x0000000006130000-0x00000000061D4000-memory.dmp
memory/1976-10-0x0000000007950000-0x00000000079EC000-memory.dmp
memory/1976-46-0x0000000074870000-0x0000000075020000-memory.dmp
memory/1976-3-0x0000000004B00000-0x0000000004B92000-memory.dmp
memory/1976-6-0x0000000004DC0000-0x0000000004DCA000-memory.dmp
memory/1976-1-0x0000000000010000-0x000000000011E000-memory.dmp
memory/4484-44-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4484-89-0x0000000006B20000-0x0000000006B70000-memory.dmp