Analysis
- max time kernel
112s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
20/06/2022, 10:49
General
- Target Request for quotation.pdf.exe
- Size 473KB
- Sample220620-mwne9acebm
- SHA256 61d404fca3e77c9da77c817cf0e35541e15ea11350f6068d22e33a03a28a5e35
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.fairtex.com.ng
-
Port
587
-
Username
-
Password
!Nf0f@irtex
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.fairtex.com.ng
-
Port
587
-
Username
-
Password
!Nf0f@irtex
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Request for quotation.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Request for quotation.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Request for quotation.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Request for quotation.pdf.exe"2⤵
- 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
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Downloads
Request for quotation.pdf.exe.log
memory/2328-137-0x0000000000400000-0x000000000043A000-memory.dmp
memory/2328-139-0x00000000060D0000-0x0000000006136000-memory.dmp
memory/2328-140-0x0000000006780000-0x00000000067D0000-memory.dmp
memory/4596-130-0x00000000009F0000-0x0000000000A6C000-memory.dmp
memory/4596-131-0x00000000058C0000-0x0000000005E64000-memory.dmp
memory/4596-132-0x00000000053F0000-0x0000000005482000-memory.dmp
memory/4596-133-0x00000000054B0000-0x00000000054BA000-memory.dmp
memory/4596-134-0x0000000005E70000-0x0000000006016000-memory.dmp
memory/4596-135-0x00000000093B0000-0x000000000944C000-memory.dmp