Analysis
- max time kernel
129s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
05/01/2023, 13:55
General
- Target 5c571a20aef5d31ad3edbfd65e33540201dde1f9ccf5eaae84332f1bf1e09ea2.exe
- Size 890KB
- Sample230105-q74hdscb83
- SHA256 5c571a20aef5d31ad3edbfd65e33540201dde1f9ccf5eaae84332f1bf1e09ea2
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot1360033246:AAF6H8m6YrL09doyxtsvJzZ_cIl__BCF4aU/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla payload 1 IoCs
- 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 behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 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\5c571a20aef5d31ad3edbfd65e33540201dde1f9ccf5eaae84332f1bf1e09ea2.exe"C:\Users\Admin\AppData\Local\Temp\5c571a20aef5d31ad3edbfd65e33540201dde1f9ccf5eaae84332f1bf1e09ea2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\5c571a20aef5d31ad3edbfd65e33540201dde1f9ccf5eaae84332f1bf1e09ea2.exe"C:\Users\Admin\AppData\Local\Temp\5c571a20aef5d31ad3edbfd65e33540201dde1f9ccf5eaae84332f1bf1e09ea2.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1960-138-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1960-139-0x0000000005EA0000-0x0000000005F06000-memory.dmp
memory/1960-140-0x0000000005C30000-0x0000000005C80000-memory.dmp
memory/3564-132-0x0000000000300000-0x00000000003E4000-memory.dmp
memory/3564-133-0x00000000052E0000-0x0000000005884000-memory.dmp
memory/3564-134-0x0000000004DD0000-0x0000000004E62000-memory.dmp
memory/3564-135-0x0000000004D90000-0x0000000004D9A000-memory.dmp
memory/3564-136-0x00000000050F0000-0x000000000518C000-memory.dmp