Analysis
- max time kernel
144s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
10/01/2023, 03:28
General
- Target SecuriteInfo.com.Win32.RATX-gen.6946.25536.exe
- Size 795KB
- Sample230110-d1bsksbc32
- SHA256 a60d60f79f7b0720d3af8b2b03a3c24da1f69daea30207a770a5f1f34c79464e
Malware Config
Extracted
-
Protocol
smtp
-
Host
server240.web-hosting.com
-
Port
587
-
Username
-
Password
Success4sure2day10@
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
server240.web-hosting.com
-
Port
587
-
Username
-
Password
Success4sure2day10@
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
- Looks for VMWare Tools registry key 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- 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 29 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\SecuriteInfo.com.Win32.RATX-gen.6946.25536.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.6946.25536.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- 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\Roaming\TTchjC.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\TTchjC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC96A.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.6946.25536.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.6946.25536.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
SecuriteInfo.com.Win32.RATX-gen.6946.25536.exe.log
tmpC96A.tmp
memory/2944-146-0x0000000005230000-0x0000000005252000-memory.dmp
memory/2944-154-0x0000000007550000-0x000000000755A000-memory.dmp
memory/2944-158-0x0000000007800000-0x0000000007808000-memory.dmp
memory/2944-157-0x0000000007820000-0x000000000783A000-memory.dmp
memory/2944-140-0x00000000028A0000-0x00000000028D6000-memory.dmp
memory/2944-156-0x0000000007710000-0x000000000771E000-memory.dmp
memory/2944-155-0x0000000007760000-0x00000000077F6000-memory.dmp
memory/2944-143-0x0000000005480000-0x0000000005AA8000-memory.dmp
memory/2944-153-0x00000000074E0000-0x00000000074FA000-memory.dmp
memory/2944-152-0x0000000007B20000-0x000000000819A000-memory.dmp
memory/2944-151-0x0000000006780000-0x000000000679E000-memory.dmp
memory/2944-147-0x0000000005B20000-0x0000000005B86000-memory.dmp
memory/2944-148-0x00000000061C0000-0x00000000061DE000-memory.dmp
memory/2944-149-0x00000000067A0000-0x00000000067D2000-memory.dmp
memory/2944-150-0x0000000071AC0000-0x0000000071B0C000-memory.dmp
memory/3972-144-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3972-159-0x0000000006F90000-0x0000000006FE0000-memory.dmp
memory/4612-132-0x0000000000E60000-0x0000000000F2E000-memory.dmp
memory/4612-133-0x0000000005E10000-0x00000000063B4000-memory.dmp
memory/4612-136-0x00000000080C0000-0x000000000815C000-memory.dmp
memory/4612-134-0x0000000005900000-0x0000000005992000-memory.dmp
memory/4612-135-0x00000000058D0000-0x00000000058DA000-memory.dmp
memory/4612-137-0x00000000015C0000-0x0000000001626000-memory.dmp