Analysis
- max time kernel
95s - max time network
98s - platform
windows10_x64 - resource
win10v20210408 - submitted
22/09/2021, 12:01
Static task
static1
Behavioral task
behavioral1
Sample
9fYI48zaTwSnHR1.exe
Resource
win7-en-20210920
General
- Target 9fYI48zaTwSnHR1.exe
- Size 761KB
- Sample210922-n6weaafadp
- SHA256 c41a35d1a3de4fd8f2a3138c90ca1453e8935e22ba6ccb1224fe370e0d0848ea
- MD5 ef09d2442abf0102ea4e9833f034dae5
- SHA1 a86b3235f7284c8a61f327e1f6bf172dd7d9650b
- SHA512 eec674279500ed1241b2ff113187c32dcc0ed19ec310941388a6059155e30430f802c1ca643ae5682fdf08e58f9bd7338d03548d83d164fe73cd7e89dd46fda3
- MD5 SHA1 SHA512
Malware Config
Extracted
-
azorult
-
http://216.128.151.72/index.php
Signatures
- Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
- suricata: ET MALWARE AZORult v3.2 Server Response M3
suricata: ET MALWARE AZORult v3.2 Server Response M3
- suricata: ET MALWARE Win32/AZORult V3.2 Client Checkin M16
suricata: ET MALWARE Win32/AZORult V3.2 Client Checkin M16
- Loads dropped DLL 5 IoCs
pid Process 1756 9fYI48zaTwSnHR1.exe 1756 9fYI48zaTwSnHR1.exe 1756 9fYI48zaTwSnHR1.exe 1756 9fYI48zaTwSnHR1.exe 1756 9fYI48zaTwSnHR1.exe - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
- 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.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 808 set thread context of 1756 808 9fYI48zaTwSnHR1.exe 75 - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 9fYI48zaTwSnHR1.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 9fYI48zaTwSnHR1.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1756 9fYI48zaTwSnHR1.exe 1756 9fYI48zaTwSnHR1.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 808 wrote to memory of 1756 808 9fYI48zaTwSnHR1.exe 75 PID 808 wrote to memory of 1756 808 9fYI48zaTwSnHR1.exe 75 PID 808 wrote to memory of 1756 808 9fYI48zaTwSnHR1.exe 75 PID 808 wrote to memory of 1756 808 9fYI48zaTwSnHR1.exe 75 PID 808 wrote to memory of 1756 808 9fYI48zaTwSnHR1.exe 75 PID 808 wrote to memory of 1756 808 9fYI48zaTwSnHR1.exe 75 PID 808 wrote to memory of 1756 808 9fYI48zaTwSnHR1.exe 75 PID 808 wrote to memory of 1756 808 9fYI48zaTwSnHR1.exe 75 PID 808 wrote to memory of 1756 808 9fYI48zaTwSnHR1.exe 75
Processes
-
C:\Users\Admin\AppData\Local\Temp\9fYI48zaTwSnHR1.exe"C:\Users\Admin\AppData\Local\Temp\9fYI48zaTwSnHR1.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:808 -
C:\Users\Admin\AppData\Local\Temp\9fYI48zaTwSnHR1.exe"{path}"2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1756
-