Analysis
- max time kernel
130s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
08/02/2023, 11:20
General
- Target 3d575dba507a9b9b606ef6c36f3ab826a8de8593a5bf2f5da2c1a10516d01728.exe
- Size 775KB
- Sample230208-nfenvaae59
- SHA256 3d575dba507a9b9b606ef6c36f3ab826a8de8593a5bf2f5da2c1a10516d01728
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot5015424630:AAHYFU1sKtYqSORHBErFCWNjJz1TpXKj30w/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla payload 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
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 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\3d575dba507a9b9b606ef6c36f3ab826a8de8593a5bf2f5da2c1a10516d01728.exe"C:\Users\Admin\AppData\Local\Temp\3d575dba507a9b9b606ef6c36f3ab826a8de8593a5bf2f5da2c1a10516d01728.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\3d575dba507a9b9b606ef6c36f3ab826a8de8593a5bf2f5da2c1a10516d01728.exe"C:\Users\Admin\AppData\Local\Temp\3d575dba507a9b9b606ef6c36f3ab826a8de8593a5bf2f5da2c1a10516d01728.exe"2⤵
- Accesses Microsoft Outlook profiles
- 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
3d575dba507a9b9b606ef6c36f3ab826a8de8593a5bf2f5da2c1a10516d01728.exe.log
memory/4296-138-0x0000000000400000-0x000000000043C000-memory.dmp
memory/4296-140-0x0000000005C10000-0x0000000005C76000-memory.dmp
memory/4296-141-0x00000000061F0000-0x0000000006240000-memory.dmp
memory/4644-132-0x0000000000310000-0x00000000003D8000-memory.dmp
memory/4644-133-0x0000000005370000-0x0000000005914000-memory.dmp
memory/4644-134-0x0000000004C90000-0x0000000004D22000-memory.dmp
memory/4644-135-0x0000000004C30000-0x0000000004C3A000-memory.dmp
memory/4644-136-0x0000000008AB0000-0x0000000008B4C000-memory.dmp