Analysis
- max time kernel
100s - max time network
116s - platform
windows10_x64 - resource
win10 - submitted
27/08/2020, 08:49
General
- Target Invoice 20202009.exe
- Size 535KB
- Sample200827-wchlbgnmte
- SHA256 2df3e51954ea1df7ed33355df01412a600f8e23a09b0f0c9c99af13d7f90cebc
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
- 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\Invoice 20202009.exe"C:\Users\Admin\AppData\Local\Temp\Invoice 20202009.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Invoice 20202009.exe"C:\Users\Admin\AppData\Local\Temp\Invoice 20202009.exe"2⤵
- 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/3588-1-0x00000000005B0000-0x00000000005B1000-memory.dmp
memory/3588-3-0x0000000004D80000-0x0000000004D8B000-memory.dmp
memory/3588-4-0x0000000005A60000-0x0000000005A61000-memory.dmp
memory/3588-5-0x0000000005640000-0x0000000005641000-memory.dmp
memory/3588-6-0x00000000053E0000-0x00000000053E3000-memory.dmp
memory/3588-0-0x0000000073270000-0x000000007395E000-memory.dmp
memory/3952-10-0x0000000073270000-0x000000007395E000-memory.dmp
memory/3952-11-0x0000000000500000-0x0000000000566000-memory.dmp
memory/3952-14-0x0000000004BC0000-0x0000000004BC1000-memory.dmp
memory/3952-15-0x0000000004B40000-0x0000000004B41000-memory.dmp
memory/3952-16-0x0000000005720000-0x0000000005721000-memory.dmp
memory/3952-18-0x0000000006010000-0x0000000006011000-memory.dmp