Analysis
- max time kernel
141s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20230915-en - resource tags
- submitted
17/09/2023, 09:45
General
- Target RFQ_1109.exe
- Size 616KB
- Sample230917-lrcyaahb4z
- SHA256 97cb55e3d35fc1c1d67b760d2e71ccd40f561bf06855e5ef06affac9ff4a5fd7
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.
- Loads dropped DLL 12 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).
- Program crash 1 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 behavior: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\RFQ_1109.exe"C:\Users\Admin\AppData\Local\Temp\RFQ_1109.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
-
C:\Users\Admin\AppData\Local\Temp\RFQ_1109.exe"C:\Users\Admin\AppData\Local\Temp\RFQ_1109.exe"2⤵
- Checks QEMU agent file
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- outlook_office_path
- outlook_win_path
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4312 -s 23003⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4312 -ip 43121⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
mozglue.dll
msvcp140.dll
nss3.dll
vcruntime140.dll
System.dll
System.dll
System.dll
nsExec.dll
nsExec.dll
nsExec.dll
nsExec.dll
nsExec.dll
nsExec.dll
nsExec.dll
memory/1404-30-0x00000000775F1000-0x0000000077711000-memory.dmp
memory/1404-31-0x0000000074240000-0x0000000074247000-memory.dmp
memory/4312-41-0x0000000072D40000-0x0000000073F94000-memory.dmp
memory/4312-43-0x0000000000060000-0x0000000000087000-memory.dmp
memory/4312-42-0x00000000004A0000-0x0000000004D77000-memory.dmp
memory/4312-34-0x0000000077695000-0x0000000077696000-memory.dmp
memory/4312-33-0x0000000077678000-0x0000000077679000-memory.dmp
memory/4312-32-0x00000000775F1000-0x0000000077711000-memory.dmp
memory/4312-103-0x0000000072D40000-0x0000000073F94000-memory.dmp
memory/4312-104-0x00000000775F1000-0x0000000077711000-memory.dmp
memory/4312-105-0x0000000072D40000-0x0000000073F94000-memory.dmp
memory/4312-106-0x00000000004A0000-0x0000000004D77000-memory.dmp
memory/4312-107-0x0000000072D40000-0x0000000073F94000-memory.dmp