Analysis
- max time kernel
105s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
29/11/2022, 13:59
General
- Target statement of account.exe
- Size 759KB
- Sample221129-radq5shf3x
- SHA256 9f04b0b059e331845f8c3f9f4f83c785b07766529bb24dbbfb02fbab9e414938
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.clipjoint.co.nz
-
Port
587
-
Username
-
Password
melandloz64
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Drops file in Drivers directory 1 IoCs
- 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.
- 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\statement of account.exe"C:\Users\Admin\AppData\Local\Temp\statement of account.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LtdekfbHULJt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4035.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\statement of account.exe"{path}"2⤵
- Drops file in Drivers directory
- 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 v6
Replay Monitor
Loading Replay Monitor...
Downloads
statement of account.exe.log
tmp4035.tmp
memory/2224-132-0x0000000000E90000-0x0000000000F54000-memory.dmp
memory/2224-133-0x0000000005E10000-0x00000000063B4000-memory.dmp
memory/2224-134-0x0000000005900000-0x0000000005992000-memory.dmp
memory/2224-135-0x0000000005A40000-0x0000000005ADC000-memory.dmp
memory/2224-136-0x00000000058F0000-0x00000000058FA000-memory.dmp
memory/4592-140-0x0000000000400000-0x000000000043A000-memory.dmp
memory/4592-142-0x00000000064A0000-0x0000000006506000-memory.dmp
memory/4592-143-0x0000000006AD0000-0x0000000006B20000-memory.dmp