Analysis
- max time kernel
92s - max time network
95s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
15/05/2024, 02:08
General
- Target f0b42412795e50d61c2207c27519236ce5ae44a4e38d5c8db29c32672f66e737.exe
- Size 688KB
- Sample240515-ckph3acg37
- SHA256 f0b42412795e50d61c2207c27519236ce5ae44a4e38d5c8db29c32672f66e737
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
COKOeve8899
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
COKOeve8899
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Detect ZGRat V1 1 IoCs
- ZGRat
ZGRat is remote access trojan written in C#.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Looks up external IP address via web service 2 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 8 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\f0b42412795e50d61c2207c27519236ce5ae44a4e38d5c8db29c32672f66e737.exe"C:\Users\Admin\AppData\Local\Temp\f0b42412795e50d61c2207c27519236ce5ae44a4e38d5c8db29c32672f66e737.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\Roaming\qfhaRdh.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\qfhaRdh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp887.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\f0b42412795e50d61c2207c27519236ce5ae44a4e38d5c8db29c32672f66e737.exe"C:\Users\Admin\AppData\Local\Temp\f0b42412795e50d61c2207c27519236ce5ae44a4e38d5c8db29c32672f66e737.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
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
__PSScriptPolicyTest_ipvlruzz.40v.ps1
tmp887.tmp
memory/232-11-0x0000000007050000-0x00000000070BC000-memory.dmp
memory/232-0-0x000000007461E000-0x000000007461F000-memory.dmp
memory/232-4-0x0000000004FF0000-0x0000000005344000-memory.dmp
memory/232-5-0x0000000005550000-0x000000000555A000-memory.dmp
memory/232-6-0x0000000074610000-0x0000000074DC0000-memory.dmp
memory/232-7-0x00000000068C0000-0x00000000068CE000-memory.dmp
memory/232-8-0x000000007461E000-0x000000007461F000-memory.dmp
memory/232-9-0x0000000074610000-0x0000000074DC0000-memory.dmp
memory/232-10-0x0000000006910000-0x000000000691A000-memory.dmp
memory/232-3-0x0000000004F20000-0x0000000004FB2000-memory.dmp
memory/232-12-0x0000000007160000-0x00000000071FC000-memory.dmp
memory/232-1-0x00000000005E0000-0x0000000000692000-memory.dmp
memory/232-2-0x00000000055A0000-0x0000000005B44000-memory.dmp
memory/232-39-0x0000000074610000-0x0000000074DC0000-memory.dmp
memory/232-22-0x00000000070F0000-0x0000000007124000-memory.dmp
memory/3588-68-0x0000000006F40000-0x0000000006F90000-memory.dmp
memory/3588-69-0x0000000007160000-0x0000000007322000-memory.dmp
memory/3588-79-0x0000000074610000-0x0000000074DC0000-memory.dmp
memory/3588-24-0x0000000000400000-0x0000000000430000-memory.dmp
memory/3588-26-0x0000000074610000-0x0000000074DC0000-memory.dmp
memory/4224-17-0x0000000002A70000-0x0000000002AA6000-memory.dmp
memory/4224-55-0x0000000007D00000-0x000000000837A000-memory.dmp
memory/4224-38-0x0000000005FD0000-0x0000000006036000-memory.dmp
memory/4224-23-0x0000000074610000-0x0000000074DC0000-memory.dmp
memory/4224-36-0x0000000005D70000-0x0000000005D92000-memory.dmp
memory/4224-41-0x0000000006430000-0x000000000647C000-memory.dmp
memory/4224-40-0x00000000063A0000-0x00000000063BE000-memory.dmp
memory/4224-43-0x0000000074E70000-0x0000000074EBC000-memory.dmp
memory/4224-42-0x0000000007350000-0x0000000007382000-memory.dmp
memory/4224-53-0x0000000006950000-0x000000000696E000-memory.dmp
memory/4224-54-0x0000000007590000-0x0000000007633000-memory.dmp
memory/4224-37-0x0000000005E90000-0x0000000005EF6000-memory.dmp
memory/4224-56-0x00000000076C0000-0x00000000076DA000-memory.dmp
memory/4224-57-0x0000000007730000-0x000000000773A000-memory.dmp
memory/4224-58-0x0000000007940000-0x00000000079D6000-memory.dmp
memory/4224-59-0x00000000078C0000-0x00000000078D1000-memory.dmp
memory/4224-61-0x00000000078F0000-0x00000000078FE000-memory.dmp
memory/4224-62-0x0000000007900000-0x0000000007914000-memory.dmp
memory/4224-63-0x0000000007A00000-0x0000000007A1A000-memory.dmp
memory/4224-64-0x00000000079E0000-0x00000000079E8000-memory.dmp
memory/4224-67-0x0000000074610000-0x0000000074DC0000-memory.dmp
memory/4224-21-0x0000000074610000-0x0000000074DC0000-memory.dmp
memory/4224-20-0x0000000005640000-0x0000000005C68000-memory.dmp
memory/4224-19-0x0000000074610000-0x0000000074DC0000-memory.dmp