Analysis
- max time kernel
142s - max time network
166s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
21/02/2022, 08:37
General
- Target aa3c88aa7193bc0bb4ecf9638e65d4be.exe
- Size 699KB
- Sample220221-kh6csshedk
- SHA256 e46d4e6a7a96cbec60b1576d02dd5082eca53aa309558d72ddbb932c8355b7a8
Malware Config
Extracted
-
azorult
-
http://nnpcoil.buzz/kendrick/index.php
Signatures
- Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
- suricata: ET MALWARE AZORult v3.3 Server Response M2
suricata: ET MALWARE AZORult v3.3 Server Response M2
- suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M13
suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M13
- Loads dropped DLL 4 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 SetThreadContext 1 IoCs
- Drops file in Windows directory 6 IoCs
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\aa3c88aa7193bc0bb4ecf9638e65d4be.exe"C:\Users\Admin\AppData\Local\Temp\aa3c88aa7193bc0bb4ecf9638e65d4be.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\aa3c88aa7193bc0bb4ecf9638e65d4be.exe"C:\Users\Admin\AppData\Local\Temp\aa3c88aa7193bc0bb4ecf9638e65d4be.exe"2⤵
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- outlook_office_path
- outlook_win_path
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2764-140-0x0000000000400000-0x0000000000420000-memory.dmp
memory/2764-141-0x0000000000400000-0x0000000000420000-memory.dmp
memory/3668-138-0x000002825C480000-0x000002825C484000-memory.dmp
memory/3668-137-0x0000028259790000-0x00000282597A0000-memory.dmp
memory/3668-136-0x0000028259730000-0x0000028259740000-memory.dmp
memory/4564-130-0x00000000005B0000-0x0000000000664000-memory.dmp
memory/4564-139-0x00000000073E0000-0x000000000747C000-memory.dmp
memory/4564-135-0x00000000051B0000-0x00000000051BA000-memory.dmp
memory/4564-134-0x0000000002C60000-0x0000000002C61000-memory.dmp
memory/4564-133-0x0000000005000000-0x0000000005092000-memory.dmp
memory/4564-131-0x000000007511E000-0x000000007511F000-memory.dmp
memory/4564-132-0x0000000005790000-0x0000000005D34000-memory.dmp