Analysis
- max time kernel
118s - max time network
120s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
09/06/2023, 08:28
General
- Target TM001829.exe
- Size 751KB
- Sample230609-kcz9labf47
- SHA256 a0ea61a961e39a49c0eca608a4e0ae77ffb8dea27ddf012d0e095db6e5eb4ff5
Malware Config
Extracted
-
azorult
-
http://dblxs.shop/Bll1/index.php
Signatures
- Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
- Checks QEMU agent file 2 TTPs 2 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 6 IoCs
- 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
- 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 NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\TM001829.exe"C:\Users\Admin\AppData\Local\Temp\TM001829.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\TM001829.exe"C:\Users\Admin\AppData\Local\Temp\TM001829.exe"2⤵
- Checks QEMU agent file
- Checks computer location settings
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c C:\Windows\system32\timeout.exe 3 & del "TM001829.exe"3⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\timeout.exeC:\Windows\system32\timeout.exe 34⤵
- Delays execution with timeout.exe
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
mozglue.dll
msvcp140.dll
nss3.dll
vcruntime140.dll
System.dll
System.dll
System.dll
Vintertid.lnk
memory/3824-158-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3824-159-0x0000000035C30000-0x0000000035C57000-memory.dmp
memory/3824-157-0x0000000001660000-0x0000000005B43000-memory.dmp
memory/3824-156-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3824-155-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3824-267-0x0000000001660000-0x0000000005B43000-memory.dmp
memory/3824-268-0x0000000000400000-0x0000000001654000-memory.dmp