Analysis
- max time kernel
91s - max time network
113s - platform
windows10_x64 - resource
win10v20210410 - 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 2 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 8 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/2204-114-0x0000000000560000-0x0000000000561000-memory.dmp
memory/2204-116-0x0000000004DD0000-0x0000000004E38000-memory.dmp
memory/2204-117-0x0000000005430000-0x0000000005431000-memory.dmp
memory/2204-118-0x0000000004F30000-0x0000000004F31000-memory.dmp
memory/2204-119-0x0000000004FD0000-0x0000000004FD1000-memory.dmp
memory/2204-120-0x0000000004F20000-0x0000000004F21000-memory.dmp
memory/2204-121-0x0000000004F00000-0x0000000004F0F000-memory.dmp
memory/2480-122-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2480-128-0x0000000004FA0000-0x0000000004FA1000-memory.dmp
memory/2480-129-0x0000000005110000-0x0000000005111000-memory.dmp
memory/2480-130-0x0000000005D40000-0x0000000005D41000-memory.dmp
memory/2480-132-0x0000000005F60000-0x0000000005F61000-memory.dmp