Analysis
- max time kernel
67s - max time network
95s - platform
windows10-2004_x64 - resource
win10v2004-20230621-en - resource tags
- submitted
28/06/2023, 06:23
General
- Target DHL Receipt.exe
- Size 575KB
- Sample230628-g5gfeahd91
- SHA256 8150ceb72ebe958ee0424f42b26eb134281f42e7188a9f08ccc5025ac70bae24
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot6236742054:AAG-oo51GdoqP3KIGUOrUGqknahOuxan650/
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
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- 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
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DHL Receipt.exe"C:\Users\Admin\AppData\Local\Temp\DHL Receipt.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\DHL Receipt.exe"C:\Users\Admin\AppData\Local\Temp\DHL Receipt.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
DHL Receipt.exe.log
memory/3608-139-0x0000000009D80000-0x0000000009E1C000-memory.dmp
memory/3608-135-0x0000000004A50000-0x0000000004AE2000-memory.dmp
memory/3608-136-0x0000000004BF0000-0x0000000004BFA000-memory.dmp
memory/3608-137-0x0000000004C00000-0x0000000004C10000-memory.dmp
memory/3608-138-0x0000000004C00000-0x0000000004C10000-memory.dmp
memory/3608-133-0x0000000000020000-0x00000000000B6000-memory.dmp
memory/3608-134-0x0000000004F20000-0x00000000054C4000-memory.dmp
memory/4444-140-0x0000000000400000-0x0000000000430000-memory.dmp
memory/4444-143-0x0000000004D60000-0x0000000004DC6000-memory.dmp
memory/4444-144-0x0000000004D50000-0x0000000004D60000-memory.dmp
memory/4444-145-0x0000000004D50000-0x0000000004D60000-memory.dmp
memory/4444-147-0x00000000066E0000-0x0000000006730000-memory.dmp
memory/4444-148-0x0000000006900000-0x0000000006AC2000-memory.dmp