Analysis
- max time kernel
101s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
27/09/2022, 09:14
General
- Target SecuriteInfo.com.Win32.RATX-gen.27264.exe
- Size 6KB
- Sample220927-k7bvgsebdr
- SHA256 ab91459253a14ca086ed1b79f0958b331fc09b7d611ef953ca85c045ff43024e
Malware Config
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 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
- 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.RATX-gen.27264.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.27264.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.RATX-gen.27264.exeC:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.27264.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
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Downloads
SecuriteInfo.com.Win32.RATX-gen.27264.exe.log
memory/3116-133-0x0000000008E50000-0x0000000008E72000-memory.dmp
memory/3116-132-0x0000000000250000-0x0000000000258000-memory.dmp
memory/3376-149-0x00000000060B0000-0x00000000060BA000-memory.dmp
memory/3376-148-0x00000000060D0000-0x0000000006162000-memory.dmp
memory/3376-147-0x0000000006390000-0x00000000063E0000-memory.dmp
memory/3376-146-0x0000000005040000-0x00000000050DC000-memory.dmp
memory/3376-145-0x00000000054E0000-0x0000000005A84000-memory.dmp
memory/3376-143-0x0000000000400000-0x000000000043A000-memory.dmp
memory/3524-136-0x00000000054C0000-0x0000000005AE8000-memory.dmp
memory/3524-141-0x0000000006970000-0x000000000698A000-memory.dmp
memory/3524-140-0x0000000007CB0000-0x000000000832A000-memory.dmp
memory/3524-139-0x0000000006460000-0x000000000647E000-memory.dmp
memory/3524-138-0x0000000005DB0000-0x0000000005E16000-memory.dmp
memory/3524-137-0x0000000005CD0000-0x0000000005D36000-memory.dmp
memory/3524-135-0x0000000004E20000-0x0000000004E56000-memory.dmp