Analysis
- max time kernel
96s - max time network
92s - platform
windows7_x64 - resource
win7v20210410 - submitted
02/06/2021, 14:27
General
- Target 363IN050790620 BOOKING.exe
- Size 971KB
- Sample210602-lympf588jx
- SHA256 5876d94ff8e996ceec16ce9001dd240bededc1533a6a3649fa00de5f314779e2
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.framafilms.com
-
Port
587
-
Username
-
Password
lister11
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- Drops file in Drivers directory 1 IoCs
- 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
- 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 12 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\363IN050790620 BOOKING.exe"C:\Users\Admin\AppData\Local\Temp\363IN050790620 BOOKING.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1096-59-0x00000000008E0000-0x00000000008E1000-memory.dmp
memory/1096-61-0x0000000000680000-0x00000000006E8000-memory.dmp
memory/1096-62-0x0000000000310000-0x000000000031F000-memory.dmp
memory/1096-68-0x00000000005B0000-0x00000000005B1000-memory.dmp
memory/1216-63-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1216-65-0x0000000075281000-0x0000000075283000-memory.dmp
memory/1216-66-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1216-69-0x0000000000BE0000-0x0000000000BE1000-memory.dmp
memory/1216-70-0x0000000000BE1000-0x0000000000BE2000-memory.dmp