Analysis
- max time kernel
91s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
13/10/2022, 06:20
General
- Target SecuriteInfo.com.Win32.PWSX-gen.1744.28457.exe
- Size 7KB
- Sample221013-g3rtcsahgn
- SHA256 9e70f94c2bee83c63e40004e38b390edf044b64e5ab5554f3aad9dd187e23d6d
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot5329940603:AAEm7pamtb0Y3gJkFH2RisynqkQ5_GX9q5A/
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.1744.28457.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.1744.28457.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQA2AA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.1744.28457.exeC:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.1744.28457.exe2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/208-144-0x0000000006D00000-0x0000000006D1A000-memory.dmp
memory/208-141-0x00000000061C0000-0x0000000006226000-memory.dmp
memory/208-143-0x0000000007E60000-0x00000000084DA000-memory.dmp
memory/208-140-0x0000000006150000-0x00000000061B6000-memory.dmp
memory/208-142-0x0000000006800000-0x000000000681E000-memory.dmp
memory/208-138-0x0000000005260000-0x0000000005296000-memory.dmp
memory/208-139-0x00000000058D0000-0x0000000005EF8000-memory.dmp
memory/3272-146-0x0000000000400000-0x000000000043A000-memory.dmp
memory/3272-147-0x00000000056A0000-0x000000000573C000-memory.dmp
memory/3272-148-0x0000000006A60000-0x0000000006AB0000-memory.dmp
memory/4204-133-0x0000000005A70000-0x0000000006014000-memory.dmp
memory/4204-136-0x0000000007A30000-0x0000000007A52000-memory.dmp
memory/4204-135-0x0000000005500000-0x000000000550A000-memory.dmp
memory/4204-134-0x0000000005560000-0x00000000055F2000-memory.dmp
memory/4204-132-0x0000000000B50000-0x0000000000B58000-memory.dmp