Analysis
- max time kernel
122s - max time network
145s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
26/02/2024, 10:51
General
- Target IMG_FIZETES_FEB26_IMG.scr.exe
- Size 726KB
- Sample240226-mxtcwsca3x
- SHA256 ac795c5206bd197b459e07494a129b9e184fefd7e7a7dc1361fb8ca923f839cb
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.ssipae.com
-
Port
587
-
Username
-
Password
Kamikase333
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.ssipae.com
-
Port
587
-
Username
-
Password
Kamikase333
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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.
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Modifies system certificate store 2 TTPs 4 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\IMG_FIZETES_FEB26_IMG.scr.exe"C:\Users\Admin\AppData\Local\Temp\IMG_FIZETES_FEB26_IMG.scr.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\IMG_FIZETES_FEB26_IMG.scr.exe"C:\Users\Admin\AppData\Local\Temp\IMG_FIZETES_FEB26_IMG.scr.exe"2⤵
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
CabDC5D.tmp
TarDCCD.tmp
memory/2456-0-0x00000000012F0000-0x00000000013AC000-memory.dmp
memory/2456-1-0x0000000074B20000-0x000000007520E000-memory.dmp
memory/2456-2-0x0000000000500000-0x0000000000540000-memory.dmp
memory/2456-3-0x00000000002B0000-0x00000000002D2000-memory.dmp
memory/2456-4-0x0000000000250000-0x000000000025C000-memory.dmp
memory/2456-5-0x0000000000310000-0x0000000000322000-memory.dmp
memory/2456-6-0x0000000000420000-0x00000000004A6000-memory.dmp
memory/2456-22-0x0000000074B20000-0x000000007520E000-memory.dmp
memory/2588-11-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2588-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2588-15-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2588-17-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2588-19-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2588-20-0x0000000074B20000-0x000000007520E000-memory.dmp
memory/2588-21-0x0000000004A20000-0x0000000004A60000-memory.dmp
memory/2588-8-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2588-9-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2588-7-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2588-57-0x0000000074B20000-0x000000007520E000-memory.dmp
memory/2588-58-0x0000000004A20000-0x0000000004A60000-memory.dmp