Analysis
- max time kernel
138s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20230831-en - resource tags
- submitted
11/09/2023, 09:16
General
- Target 633674661a6ccfe8a4507da0611a5496.exe
- Size 586KB
- Sample230911-k8fvtseh2y
- SHA256 871f56d3769e4019ebd21435d6b4ee35af7e1ad2ae8c46cc8faaed1545317c11
Malware Config
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 14 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
- Drops file in Windows directory 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 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\633674661a6ccfe8a4507da0611a5496.exe"C:\Users\Admin\AppData\Local\Temp\633674661a6ccfe8a4507da0611a5496.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\633674661a6ccfe8a4507da0611a5496.exe"C:\Users\Admin\AppData\Local\Temp\633674661a6ccfe8a4507da0611a5496.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 "633674661a6ccfe8a4507da0611a5496.exe"3⤵
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C:\Windows\SysWOW64\timeout.exeC:\Windows\system32\timeout.exe 34⤵
- Delays execution with timeout.exe
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
mozglue.dll
msvcp140.dll
nss3.dll
vcruntime140.dll
vcruntime140.dll
vcruntime140.dll
System.dll
System.dll
System.dll
nsExec.dll
nsExec.dll
nsExec.dll
nsExec.dll
nsExec.dll
nsExec.dll
nsExec.dll
memory/2552-32-0x0000000074A60000-0x0000000074A67000-memory.dmp
memory/2552-30-0x0000000077E11000-0x0000000077F31000-memory.dmp
memory/2552-31-0x0000000077E11000-0x0000000077F31000-memory.dmp
memory/4280-38-0x0000000000060000-0x0000000000087000-memory.dmp
memory/4280-33-0x0000000077E98000-0x0000000077E99000-memory.dmp
memory/4280-39-0x0000000077E11000-0x0000000077F31000-memory.dmp
memory/4280-37-0x0000000073560000-0x00000000747B4000-memory.dmp
memory/4280-34-0x0000000077EB5000-0x0000000077EB6000-memory.dmp
memory/4280-36-0x00000000004A0000-0x0000000004677000-memory.dmp
memory/4280-35-0x0000000073560000-0x00000000747B4000-memory.dmp
memory/4280-103-0x0000000073560000-0x00000000747B4000-memory.dmp
memory/4280-152-0x0000000073560000-0x00000000747B4000-memory.dmp
memory/4280-153-0x00000000004A0000-0x0000000004677000-memory.dmp