Analysis
- max time kernel
151s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
02/03/2023, 12:29
General
- Target 8483fff44f03f040c83b9a39bd7a245e.exe
- Size 1.3MB
- Sample230302-pnx1tsch43
- SHA256 bc3278a0b906345cc7501a28fc5b4addbc862edf1ba611d033113d97cdc02af5
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
aaUW!^r5 aaUW!^r5
-
Email to
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 use of AdjustPrivilegeToken 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\8483fff44f03f040c83b9a39bd7a245e.exe"C:\Users\Admin\AppData\Local\Temp\8483fff44f03f040c83b9a39bd7a245e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\8483fff44f03f040c83b9a39bd7a245e.exe"C:\Users\Admin\AppData\Local\Temp\8483fff44f03f040c83b9a39bd7a245e.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
8483fff44f03f040c83b9a39bd7a245e.exe.log
memory/4128-139-0x00000000065B0000-0x000000000664C000-memory.dmp
memory/4128-135-0x0000000004CC0000-0x0000000004D52000-memory.dmp
memory/4128-136-0x0000000004CA0000-0x0000000004CAA000-memory.dmp
memory/4128-137-0x0000000004E50000-0x0000000004E60000-memory.dmp
memory/4128-138-0x0000000004E50000-0x0000000004E60000-memory.dmp
memory/4128-133-0x00000000001B0000-0x00000000002FA000-memory.dmp
memory/4128-134-0x0000000005270000-0x0000000005814000-memory.dmp
memory/4540-140-0x0000000000400000-0x0000000000430000-memory.dmp
memory/4540-143-0x0000000004F10000-0x0000000004F76000-memory.dmp
memory/4540-144-0x0000000004E20000-0x0000000004E30000-memory.dmp
memory/4540-146-0x00000000062F0000-0x0000000006340000-memory.dmp
memory/4540-147-0x0000000006530000-0x00000000066F2000-memory.dmp
memory/4540-148-0x0000000004E20000-0x0000000004E30000-memory.dmp