Analysis
- max time kernel
121s - max time network
124s - platform
windows10_x64 - resource
win10 - submitted
18/08/2020, 11:43
General
- Target Updated product.exe
- Size 626KB
- Sample200818-lb83vk7cre
- SHA256 99afa20e22dac4e8fd5f536c3fd6c806fa6a9f52a0458c0c1a90fdc3e8a1f3f8
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
ALIbaba123
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- Loads dropped DLL 1 IoCs
- Obfuscated with Agile.Net obfuscator 2 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
- 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.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 5 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\Updated product.exe"C:\Users\Admin\AppData\Local\Temp\Updated product.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Updated product.exe"C:\Users\Admin\AppData\Local\Temp\Updated product.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/976-3-0x0000000004BF0000-0x0000000004C11000-memory.dmp
memory/976-0-0x0000000073710000-0x0000000073DFE000-memory.dmp
memory/976-5-0x0000000005AF0000-0x0000000005AF1000-memory.dmp
memory/976-6-0x00000000056D0000-0x00000000056D1000-memory.dmp
memory/976-7-0x0000000005470000-0x0000000005473000-memory.dmp
memory/976-1-0x0000000000260000-0x0000000000261000-memory.dmp
memory/3492-8-0x0000000000400000-0x0000000000466000-memory.dmp
memory/3492-11-0x0000000073710000-0x0000000073DFE000-memory.dmp
memory/3492-15-0x0000000005970000-0x0000000005971000-memory.dmp
memory/3492-16-0x0000000005920000-0x0000000005921000-memory.dmp
memory/3492-17-0x0000000005A80000-0x0000000005A81000-memory.dmp
memory/3492-19-0x0000000006DE0000-0x0000000006DE1000-memory.dmp