Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
09/06/2024, 01:50
General
- Target RFQ-2402-3572.exe
- Size 706KB
- Sample240609-b9qa8abh2z
- SHA256 48c7311341af01dfa4d01d6000fb17d6956d6607f2714bb88bba2f8ca0a93fbc
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.psgrasa.ir
-
Port
587
-
Username
-
Password
mahsa730101
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.psgrasa.ir
-
Port
587
-
Username
-
Password
mahsa730101
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
- Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
- Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
- Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
- 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.
- 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
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\RFQ-2402-3572.exe"C:\Users\Admin\AppData\Local\Temp\RFQ-2402-3572.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\RFQ-2402-3572.exe"C:\Users\Admin\AppData\Local\Temp\RFQ-2402-3572.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
RFQ-2402-3572.exe.log
memory/4284-8-0x0000000005D90000-0x0000000005DA0000-memory.dmp
memory/4284-1-0x0000000000E60000-0x0000000000F14000-memory.dmp
memory/4284-3-0x0000000005980000-0x0000000005A12000-memory.dmp
memory/4284-5-0x0000000005910000-0x000000000591A000-memory.dmp
memory/4284-4-0x0000000074A10000-0x00000000751C0000-memory.dmp
memory/4284-6-0x0000000005BA0000-0x0000000005BB6000-memory.dmp
memory/4284-7-0x0000000005D70000-0x0000000005D7E000-memory.dmp
memory/4284-0-0x0000000074A1E000-0x0000000074A1F000-memory.dmp
memory/4284-2-0x0000000005E90000-0x0000000006434000-memory.dmp
memory/4284-9-0x0000000006C90000-0x0000000006D14000-memory.dmp
memory/4284-10-0x000000000AAB0000-0x000000000AB4C000-memory.dmp
memory/4284-14-0x0000000074A10000-0x00000000751C0000-memory.dmp
memory/4472-15-0x0000000074A10000-0x00000000751C0000-memory.dmp
memory/4472-11-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4472-16-0x0000000005A50000-0x0000000005AB6000-memory.dmp
memory/4472-17-0x0000000074A10000-0x00000000751C0000-memory.dmp
memory/4472-19-0x0000000006F80000-0x0000000006FD0000-memory.dmp
memory/4472-20-0x0000000074A10000-0x00000000751C0000-memory.dmp