Analysis
- max time kernel
149s - max time network
151s - platform
windows7_x64 - resource
win7v20201028 - submitted
26/02/2021, 12:26
General
- Target invoice.exe
- Size 296KB
- Sample210226-dglz2bc3ya
- SHA256 f0339a4175d145fc5632f1bd2d8369892f0e7d5897940b55ec49cfffea72785e
Malware Config
Extracted
-
agenttesla
-
https://www.guerrilladefense.com/webpanel/inc/02877693980701.php
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 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.
- Adds Run key to start application 2 TTPs 1 IoCs
- 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 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\invoice.exe"C:\Users\Admin\AppData\Local\Temp\invoice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\invoice.exe"C:\Users\Admin\AppData\Local\Temp\invoice.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1124-8-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1124-10-0x0000000074880000-0x0000000074F6E000-memory.dmp
memory/1124-11-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1124-13-0x0000000004900000-0x0000000004901000-memory.dmp
memory/1124-14-0x0000000004901000-0x0000000004902000-memory.dmp
memory/1832-2-0x0000000074900000-0x0000000074FEE000-memory.dmp
memory/1832-3-0x0000000000930000-0x0000000000931000-memory.dmp
memory/1832-5-0x0000000076371000-0x0000000076373000-memory.dmp
memory/1832-6-0x0000000004B50000-0x0000000004B51000-memory.dmp
memory/1832-7-0x0000000000250000-0x0000000000262000-memory.dmp