Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
- submitted
15/07/2024, 08:41
General
- Target Great Lake - Quote#474701.exe
- Size 678KB
- Sample240715-klfljs1ajd
- SHA256 0178b79bd084c2597b2de4e62e61a88bb8359e4fcac2fe672bb887e0e52e5dbd
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 10 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Great Lake - Quote#474701.exe"C:\Users\Admin\AppData\Local\Temp\Great Lake - Quote#474701.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\Great Lake - Quote#474701.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\yZxVRz.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\yZxVRz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCD91.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\Great Lake - Quote#474701.exe"C:\Users\Admin\AppData\Local\Temp\Great Lake - Quote#474701.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_0xrmuoic.aib.ps1
tmpCD91.tmp
memory/680-64-0x0000000074F00000-0x0000000074F4C000-memory.dmp
memory/680-20-0x0000000005AB0000-0x0000000005B16000-memory.dmp
memory/680-88-0x00000000746A0000-0x0000000074E50000-memory.dmp
memory/680-81-0x0000000007AA0000-0x0000000007ABA000-memory.dmp
memory/680-80-0x00000000079A0000-0x00000000079B4000-memory.dmp
memory/680-47-0x00000000746A0000-0x0000000074E50000-memory.dmp
memory/680-44-0x00000000746A0000-0x0000000074E50000-memory.dmp
memory/680-43-0x00000000746A0000-0x0000000074E50000-memory.dmp
memory/680-21-0x0000000005B20000-0x0000000005B86000-memory.dmp
memory/680-19-0x0000000005380000-0x00000000053A2000-memory.dmp
memory/680-16-0x0000000005480000-0x0000000005AA8000-memory.dmp
memory/1208-4-0x00000000746A0000-0x0000000074E50000-memory.dmp
memory/1208-7-0x00000000069D0000-0x00000000069E0000-memory.dmp
memory/1208-0-0x00000000746AE000-0x00000000746AF000-memory.dmp
memory/1208-5-0x0000000005900000-0x000000000590A000-memory.dmp
memory/1208-2-0x0000000005F20000-0x00000000064C4000-memory.dmp
memory/1208-1-0x0000000000E60000-0x0000000000F10000-memory.dmp
memory/1208-6-0x0000000006A00000-0x0000000006F2C000-memory.dmp
memory/1208-3-0x0000000005970000-0x0000000005A02000-memory.dmp
memory/1208-10-0x0000000007410000-0x00000000074AC000-memory.dmp
memory/1208-48-0x00000000746A0000-0x0000000074E50000-memory.dmp
memory/1208-8-0x0000000007130000-0x000000000713E000-memory.dmp
memory/1208-9-0x0000000007190000-0x0000000007214000-memory.dmp
memory/4068-45-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4068-90-0x0000000006E50000-0x0000000006EA0000-memory.dmp
memory/4552-52-0x0000000074F00000-0x0000000074F4C000-memory.dmp
memory/4552-77-0x0000000007860000-0x00000000078F6000-memory.dmp
memory/4552-62-0x00000000068E0000-0x00000000068FE000-memory.dmp
memory/4552-50-0x0000000006660000-0x00000000066AC000-memory.dmp
memory/4552-63-0x0000000007510000-0x00000000075B3000-memory.dmp
memory/4552-49-0x00000000062D0000-0x00000000062EE000-memory.dmp
memory/4552-75-0x0000000007600000-0x000000000761A000-memory.dmp
memory/4552-74-0x0000000007C40000-0x00000000082BA000-memory.dmp
memory/4552-76-0x0000000007670000-0x000000000767A000-memory.dmp
memory/4552-51-0x00000000068A0000-0x00000000068D2000-memory.dmp
memory/4552-78-0x0000000007820000-0x0000000007831000-memory.dmp
memory/4552-79-0x0000000007850000-0x000000000785E000-memory.dmp
memory/4552-33-0x0000000005D00000-0x0000000006054000-memory.dmp
memory/4552-15-0x0000000004D40000-0x0000000004D76000-memory.dmp
memory/4552-82-0x0000000007940000-0x0000000007948000-memory.dmp
memory/4552-28-0x00000000746A0000-0x0000000074E50000-memory.dmp
memory/4552-87-0x00000000746A0000-0x0000000074E50000-memory.dmp
memory/4552-27-0x00000000746A0000-0x0000000074E50000-memory.dmp
memory/4552-17-0x00000000746A0000-0x0000000074E50000-memory.dmp