Analysis
- max time kernel
132s - max time network
110s - platform
windows10_x64 - resource
win10v20201028 - submitted
07/04/2021, 03:07
General
- Target PURCHASE ORDER.exe
- Size 749KB
- Sample210407-dyd4mlrqrx
- SHA256 bae26fce62c8cd3d4059bd66fae8f4e6d3c664ef1c259b118519ae3c8cb8eeba
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
server126.web-hosting.com
-
Port
587
-
Username
-
Password
F]0fJ[fn)WB@
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"{path}"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/496-7-0x0000000005060000-0x0000000005061000-memory.dmp
memory/496-3-0x00000000004D0000-0x00000000004D1000-memory.dmp
memory/496-6-0x0000000004E30000-0x0000000004E31000-memory.dmp
memory/496-2-0x0000000073AD0000-0x00000000741BE000-memory.dmp
memory/496-8-0x0000000004F30000-0x0000000004F31000-memory.dmp
memory/496-9-0x0000000005180000-0x0000000005185000-memory.dmp
memory/496-5-0x0000000005330000-0x0000000005331000-memory.dmp
memory/496-10-0x00000000085E0000-0x00000000085E1000-memory.dmp
memory/496-12-0x000000000AF00000-0x000000000AF6D000-memory.dmp
memory/496-11-0x0000000008850000-0x00000000088FB000-memory.dmp
memory/736-13-0x0000000000400000-0x000000000043C000-memory.dmp
memory/736-16-0x0000000073AD0000-0x00000000741BE000-memory.dmp
memory/736-21-0x0000000005880000-0x0000000005881000-memory.dmp
memory/736-22-0x0000000005B50000-0x0000000005B51000-memory.dmp
memory/736-23-0x00000000063E0000-0x00000000063E1000-memory.dmp