Analysis
- max time kernel
5s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
07/11/2024, 22:48
General
- Target 4e736df4c2f1f5403f0e37a54f7e67f22bf5119f074a28a537e3dc19270eeef0.exe
- Size 2.0MB
- Sample241107-2q56fazdld
- SHA256 4e736df4c2f1f5403f0e37a54f7e67f22bf5119f074a28a537e3dc19270eeef0
Malware Config
Extracted
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azorult
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http://0x21.in:8000/_az/
Extracted
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quasar
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1.3.0.0
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EbayProfiles
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5.8.88.191:443
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sockartek.icu:443
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QSR_MUTEX_0kBRNrRz5TDLEQouI0
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encryption_key
MWhG6wsClMX8aJM2CVXT
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install_name
winsock.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
win defender run
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subdirectory
SubDir
Signatures
- Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
- Azorult family
- Quasar RAT
Quasar is an open source Remote Access Tool.
- Quasar family
- Quasar payload 3 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 3 IoCs
- Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 3 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
- Runs ping.exe 1 TTPs 1 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 5 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 26 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\4e736df4c2f1f5403f0e37a54f7e67f22bf5119f074a28a537e3dc19270eeef0.exe"C:\Users\Admin\AppData\Local\Temp\4e736df4c2f1f5403f0e37a54f7e67f22bf5119f074a28a537e3dc19270eeef0.exe"1⤵
- Checks computer location settings
- Enumerates connected drives
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3588 -s 5523⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\windef.exe" /rl HIGHEST /f3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe" /rl HIGHEST /f4⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\MXZeoCZu8RKM.bat" "4⤵
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C:\Windows\SysWOW64\chcp.comchcp 650015⤵
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C:\Windows\SysWOW64\PING.EXEping -n 10 localhost5⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
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C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"5⤵
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C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe" /rl HIGHEST /f6⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2656 -s 22484⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\4e736df4c2f1f5403f0e37a54f7e67f22bf5119f074a28a537e3dc19270eeef0.exe"C:\Users\Admin\AppData\Local\Temp\4e736df4c2f1f5403f0e37a54f7e67f22bf5119f074a28a537e3dc19270eeef0.exe"2⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\SysWOW64\schtasks.exe" /create /tn RtkAudioService64 /tr "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe" /sc minute /mo 1 /F2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3588 -ip 35881⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2656 -ip 26561⤵
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exeC:\Users\Admin\btpanui\SystemPropertiesPerformance.exe1⤵
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C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"2⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1048 -s 5203⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"2⤵
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"2⤵
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\SysWOW64\schtasks.exe" /create /tn RtkAudioService64 /tr "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe" /sc minute /mo 1 /F2⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1048 -ip 10481⤵
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C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service1⤵
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C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service1⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
windef.exe.log
MXZeoCZu8RKM.bat
vnc.exe
windef.exe
11-07-2024
SystemPropertiesPerformance.exe
memory/1104-19-0x0000000003B50000-0x0000000003B51000-memory.dmp
memory/1784-80-0x0000000000330000-0x0000000000350000-memory.dmp
memory/1784-74-0x0000000000330000-0x0000000000350000-memory.dmp
memory/2656-45-0x0000000006180000-0x000000000618A000-memory.dmp
memory/3144-34-0x0000000005160000-0x00000000051F2000-memory.dmp
memory/3144-37-0x0000000006480000-0x00000000064BC000-memory.dmp
memory/3144-36-0x0000000005F40000-0x0000000005F52000-memory.dmp
memory/3144-35-0x0000000005200000-0x0000000005266000-memory.dmp
memory/3144-33-0x0000000005710000-0x0000000005CB4000-memory.dmp
memory/3144-32-0x00000000006B0000-0x000000000070E000-memory.dmp
memory/3144-29-0x000000007327E000-0x000000007327F000-memory.dmp
memory/3164-28-0x00000000001E0000-0x0000000000200000-memory.dmp
memory/3164-20-0x00000000001E0000-0x0000000000200000-memory.dmp