Analysis
- max time kernel
90s - max time network
129s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
03/04/2023, 05:55
General
- Target 1133ebdd4a9e4fe36b9860f676c523e0a9f7419b345bc29cd5cbfd4cfc800e3b.exe
- Size 216KB
- Sample230403-gmf2xsda83
- SHA256 1133ebdd4a9e4fe36b9860f676c523e0a9f7419b345bc29cd5cbfd4cfc800e3b
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot1611551445:AAFDJ3yQMlB3zXJGib2_TFkq1jedBMj3GTw/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla payload 1 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\1133ebdd4a9e4fe36b9860f676c523e0a9f7419b345bc29cd5cbfd4cfc800e3b.exe"C:\Users\Admin\AppData\Local\Temp\1133ebdd4a9e4fe36b9860f676c523e0a9f7419b345bc29cd5cbfd4cfc800e3b.exe"1⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1816-133-0x0000000000370000-0x00000000003AC000-memory.dmp
memory/1816-134-0x0000000005240000-0x00000000057E4000-memory.dmp
memory/1816-135-0x0000000004D80000-0x0000000004E12000-memory.dmp
memory/1816-136-0x0000000005010000-0x00000000050AC000-memory.dmp
memory/1816-137-0x0000000005000000-0x0000000005010000-memory.dmp
memory/1816-138-0x0000000005C30000-0x0000000005C96000-memory.dmp
memory/1816-139-0x0000000005000000-0x0000000005010000-memory.dmp
memory/1816-142-0x00000000060A0000-0x00000000060F0000-memory.dmp
memory/1816-143-0x0000000006080000-0x000000000608A000-memory.dmp