Analysis
- max time kernel
106s - max time network
123s - platform
windows10_x64 - resource
win10v20201028 - submitted
16/03/2021, 10:24
Static task
static1
Behavioral task
behavioral1
Sample
quote.exe
Resource
win7v20201028
General
- Target quote.exe
- Size 1000KB
- Sample210316-cn2ndae3kn
- SHA256 c1b7b4e979c5273e41de9b274a1fcfdf11dbb796f00de6386ca33811d3afc48c
- MD5 3e46b813100b19b478af7a88734f9345
- SHA1 7a2d42a7368bed9d67f58d2dd4088a7bf554b077
- SHA512 659cf7fa20c4f14014f3620c0aba385f0c1638d06fd5377363b27cae8d9fcc27b45ce10eca56fab108c8561132c4807ae58474df7bffea82fe71b61e2faf74ec
- MD5 SHA1 SHA512
Malware Config
Extracted
-
azorult
-
http://lexusgx.tk/prosper/index.php
Signatures
- Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
- Loads dropped DLL 4 IoCs
pid Process 4284 quote.exe 4284 quote.exe 4284 quote.exe 4284 quote.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.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- 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 4692 set thread context of 4284 4692 quote.exe 79 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- 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 quote.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString quote.exe - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2096 schtasks.exe - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4692 quote.exe 4284 quote.exe 4284 quote.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4692 quote.exe - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4692 wrote to memory of 2096 4692 quote.exe 77 PID 4692 wrote to memory of 2096 4692 quote.exe 77 PID 4692 wrote to memory of 2096 4692 quote.exe 77 PID 4692 wrote to memory of 4284 4692 quote.exe 79 PID 4692 wrote to memory of 4284 4692 quote.exe 79 PID 4692 wrote to memory of 4284 4692 quote.exe 79 PID 4692 wrote to memory of 4284 4692 quote.exe 79 PID 4692 wrote to memory of 4284 4692 quote.exe 79 PID 4692 wrote to memory of 4284 4692 quote.exe 79 PID 4692 wrote to memory of 4284 4692 quote.exe 79 PID 4692 wrote to memory of 4284 4692 quote.exe 79 PID 4692 wrote to memory of 4284 4692 quote.exe 79
Processes
-
C:\Users\Admin\AppData\Local\Temp\quote.exe"C:\Users\Admin\AppData\Local\Temp\quote.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4692 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lNltdgZQIB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC218.tmp"2⤵
- Creates scheduled task(s)
PID:2096
-
-
C:\Users\Admin\AppData\Local\Temp\quote.exe"C:\Users\Admin\AppData\Local\Temp\quote.exe"2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4284
-