Analysis
- max time kernel
120s - max time network
122s - platform
windows10_x64 - resource
win10-en-20211014 - submitted
24/11/2021, 11:07
Static task
static1
Behavioral task
behavioral1
Sample
fe76477647f3a78f6d36801295a6ae61.exe
Resource
win7-en-20211104
Behavioral task
behavioral2
Sample
fe76477647f3a78f6d36801295a6ae61.exe
Resource
win10-en-20211014
General
- Target fe76477647f3a78f6d36801295a6ae61.exe
- Size 112KB
- Sample211124-m7zyesffe9
- SHA256 cba28f8f5fdb89f8574a3da19c0ee289b1f7b4e8fe238743921e7ce2110854dc
- MD5 fe76477647f3a78f6d36801295a6ae61
- SHA1 ee1d55674036fc9cadb8c31835685942dc181b9f
- SHA512 4867e2785f0bb1293260404364240c53c1df12a6d96af3a7aa497bd62f981e6bb890eddec965500c8722c9d5867d08e109e5983ffb90194cb0603b467e0aee28
- MD5 SHA1 SHA512
Malware Config
Signatures
- Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
- Loads dropped DLL 4 IoCs
pid Process 2972 fe76477647f3a78f6d36801295a6ae61.exe 2972 fe76477647f3a78f6d36801295a6ae61.exe 2972 fe76477647f3a78f6d36801295a6ae61.exe 2972 fe76477647f3a78f6d36801295a6ae61.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 Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook fe76477647f3a78f6d36801295a6ae61.exe Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook fe76477647f3a78f6d36801295a6ae61.exe Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook fe76477647f3a78f6d36801295a6ae61.exe - 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.
- 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 fe76477647f3a78f6d36801295a6ae61.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString fe76477647f3a78f6d36801295a6ae61.exe - Delays execution with timeout.exe 1 IoCs
pid Process 648 timeout.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2972 fe76477647f3a78f6d36801295a6ae61.exe 2972 fe76477647f3a78f6d36801295a6ae61.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2972 wrote to memory of 3932 2972 fe76477647f3a78f6d36801295a6ae61.exe 68 PID 2972 wrote to memory of 3932 2972 fe76477647f3a78f6d36801295a6ae61.exe 68 PID 2972 wrote to memory of 3932 2972 fe76477647f3a78f6d36801295a6ae61.exe 68 PID 3932 wrote to memory of 648 3932 cmd.exe 70 PID 3932 wrote to memory of 648 3932 cmd.exe 70 PID 3932 wrote to memory of 648 3932 cmd.exe 70 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook fe76477647f3a78f6d36801295a6ae61.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook fe76477647f3a78f6d36801295a6ae61.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\fe76477647f3a78f6d36801295a6ae61.exe"C:\Users\Admin\AppData\Local\Temp\fe76477647f3a78f6d36801295a6ae61.exe"1⤵
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2972 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c C:\Windows\system32\timeout.exe 3 & del "fe76477647f3a78f6d36801295a6ae61.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3932 -
C:\Windows\SysWOW64\timeout.exeC:\Windows\system32\timeout.exe 33⤵
- Delays execution with timeout.exe
PID:648
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