Analysis
- max time kernel
107s - max time network
117s - platform
windows10_x64 - resource
win10v20210408 - submitted
14/10/2021, 08:36
General
- Target QT21136583_Order_Doc.exe
- Size 341KB
- Sample211014-khkq4aggc9
- SHA256 ccc78c1d61ff6eb4b314c9ffbbd9f172984a6b3decb088b1398a96b382a3149e
Malware Config
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- Loads dropped DLL 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 use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\QT21136583_Order_Doc.exe"C:\Users\Admin\AppData\Local\Temp\QT21136583_Order_Doc.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\QT21136583_Order_Doc.exe"C:\Users\Admin\AppData\Local\Temp\QT21136583_Order_Doc.exe"2⤵
- 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/3964-115-0x0000000000400000-0x000000000044B000-memory.dmp
memory/3964-118-0x00000000021F0000-0x00000000021F1000-memory.dmp
memory/3964-117-0x0000000000400000-0x000000000044B000-memory.dmp
memory/3964-119-0x00000000021F1000-0x00000000021F2000-memory.dmp
memory/3964-120-0x00000000021F2000-0x00000000021F4000-memory.dmp
memory/3964-121-0x00000000021F7000-0x00000000021F8000-memory.dmp
memory/3964-122-0x00000000021F8000-0x00000000021F9000-memory.dmp
memory/3964-123-0x00000000021FD000-0x00000000021FF000-memory.dmp