Analysis
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max time kernel
3s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
17-09-2024 11:11
Behavioral task
behavioral1
Sample
SystemPropertiesPerformance.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
SystemPropertiesPerformance.exe
Resource
win10v2004-20240802-en
General
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Target
SystemPropertiesPerformance.exe
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Size
2.0MB
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MD5
1e2b7b1ca63b533966c2453a24de87fb
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SHA1
87060ecd4c80eec66778a34855ac1c3139099c12
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SHA256
f053cf380265233a2ffe687d67d37804026ec05dff33d597fc3fcf6d6e56655d
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SHA512
95c115237fe7f38f7edcd24c21e36ceb515a7cbae8646c36b5b7d5b56d5e706f94d50e22918f9ab41bf88d36ce793ddcc089eaac97e999ba1467082e0bd14831
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYL:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yl
Malware Config
Extracted
quasar
1.3.0.0
EbayProfiles
5.8.88.191:443
sockartek.icu:443
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
Extracted
azorult
http://0x21.in:8000/_az/
Signatures
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Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
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Quasar payload 3 IoCs
resource yara_rule behavioral1/files/0x00080000000173da-28.dat family_quasar behavioral1/memory/1656-46-0x0000000000C50000-0x0000000000CAE000-memory.dmp family_quasar behavioral1/memory/680-58-0x0000000000BC0000-0x0000000000C1E000-memory.dmp family_quasar -
Executes dropped EXE 3 IoCs
pid Process 1988 vnc.exe 1656 windef.exe 680 winsock.exe -
Loads dropped DLL 13 IoCs
pid Process 2100 SystemPropertiesPerformance.exe 2100 SystemPropertiesPerformance.exe 2100 SystemPropertiesPerformance.exe 2100 SystemPropertiesPerformance.exe 2100 SystemPropertiesPerformance.exe 2100 SystemPropertiesPerformance.exe 2100 SystemPropertiesPerformance.exe 2100 SystemPropertiesPerformance.exe 2868 WerFault.exe 2868 WerFault.exe 2868 WerFault.exe 2868 WerFault.exe 1656 windef.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\r: SystemPropertiesPerformance.exe File opened (read-only) \??\v: SystemPropertiesPerformance.exe File opened (read-only) \??\g: SystemPropertiesPerformance.exe File opened (read-only) \??\h: SystemPropertiesPerformance.exe File opened (read-only) \??\i: SystemPropertiesPerformance.exe File opened (read-only) \??\p: SystemPropertiesPerformance.exe File opened (read-only) \??\q: SystemPropertiesPerformance.exe File opened (read-only) \??\y: SystemPropertiesPerformance.exe File opened (read-only) \??\a: SystemPropertiesPerformance.exe File opened (read-only) \??\j: SystemPropertiesPerformance.exe File opened (read-only) \??\k: SystemPropertiesPerformance.exe File opened (read-only) \??\o: SystemPropertiesPerformance.exe File opened (read-only) \??\s: SystemPropertiesPerformance.exe File opened (read-only) \??\x: SystemPropertiesPerformance.exe File opened (read-only) \??\l: SystemPropertiesPerformance.exe File opened (read-only) \??\m: SystemPropertiesPerformance.exe File opened (read-only) \??\n: SystemPropertiesPerformance.exe File opened (read-only) \??\u: SystemPropertiesPerformance.exe File opened (read-only) \??\w: SystemPropertiesPerformance.exe File opened (read-only) \??\z: SystemPropertiesPerformance.exe File opened (read-only) \??\b: SystemPropertiesPerformance.exe File opened (read-only) \??\e: SystemPropertiesPerformance.exe File opened (read-only) \??\t: SystemPropertiesPerformance.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2100 set thread context of 2180 2100 SystemPropertiesPerformance.exe 33 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 2868 1988 WerFault.exe 30 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SystemPropertiesPerformance.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vnc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language windef.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SystemPropertiesPerformance.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winsock.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2756 schtasks.exe 1856 schtasks.exe 2992 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2100 SystemPropertiesPerformance.exe 2100 SystemPropertiesPerformance.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1656 windef.exe Token: SeDebugPrivilege 680 winsock.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 2100 wrote to memory of 1988 2100 SystemPropertiesPerformance.exe 30 PID 2100 wrote to memory of 1988 2100 SystemPropertiesPerformance.exe 30 PID 2100 wrote to memory of 1988 2100 SystemPropertiesPerformance.exe 30 PID 2100 wrote to memory of 1988 2100 SystemPropertiesPerformance.exe 30 PID 1988 wrote to memory of 1796 1988 vnc.exe 31 PID 1988 wrote to memory of 1796 1988 vnc.exe 31 PID 1988 wrote to memory of 1796 1988 vnc.exe 31 PID 1988 wrote to memory of 1796 1988 vnc.exe 31 PID 1988 wrote to memory of 1796 1988 vnc.exe 31 PID 2100 wrote to memory of 1656 2100 SystemPropertiesPerformance.exe 32 PID 2100 wrote to memory of 1656 2100 SystemPropertiesPerformance.exe 32 PID 2100 wrote to memory of 1656 2100 SystemPropertiesPerformance.exe 32 PID 2100 wrote to memory of 1656 2100 SystemPropertiesPerformance.exe 32 PID 2100 wrote to memory of 2180 2100 SystemPropertiesPerformance.exe 33 PID 2100 wrote to memory of 2180 2100 SystemPropertiesPerformance.exe 33 PID 2100 wrote to memory of 2180 2100 SystemPropertiesPerformance.exe 33 PID 2100 wrote to memory of 2180 2100 SystemPropertiesPerformance.exe 33 PID 2100 wrote to memory of 2180 2100 SystemPropertiesPerformance.exe 33 PID 2100 wrote to memory of 2180 2100 SystemPropertiesPerformance.exe 33 PID 2100 wrote to memory of 2756 2100 SystemPropertiesPerformance.exe 34 PID 2100 wrote to memory of 2756 2100 SystemPropertiesPerformance.exe 34 PID 2100 wrote to memory of 2756 2100 SystemPropertiesPerformance.exe 34 PID 2100 wrote to memory of 2756 2100 SystemPropertiesPerformance.exe 34 PID 1988 wrote to memory of 2868 1988 vnc.exe 36 PID 1988 wrote to memory of 2868 1988 vnc.exe 36 PID 1988 wrote to memory of 2868 1988 vnc.exe 36 PID 1988 wrote to memory of 2868 1988 vnc.exe 36 PID 1656 wrote to memory of 1856 1656 windef.exe 38 PID 1656 wrote to memory of 1856 1656 windef.exe 38 PID 1656 wrote to memory of 1856 1656 windef.exe 38 PID 1656 wrote to memory of 1856 1656 windef.exe 38 PID 1656 wrote to memory of 680 1656 windef.exe 40 PID 1656 wrote to memory of 680 1656 windef.exe 40 PID 1656 wrote to memory of 680 1656 windef.exe 40 PID 1656 wrote to memory of 680 1656 windef.exe 40 PID 680 wrote to memory of 2992 680 winsock.exe 42 PID 680 wrote to memory of 2992 680 winsock.exe 42 PID 680 wrote to memory of 2992 680 winsock.exe 42 PID 680 wrote to memory of 2992 680 winsock.exe 42
Processes
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C:\Users\Admin\AppData\Local\Temp\SystemPropertiesPerformance.exe"C:\Users\Admin\AppData\Local\Temp\SystemPropertiesPerformance.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2100 -
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
PID:1988 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:1796
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1988 -s 1603⤵
- Loads dropped DLL
- Program crash
PID:2868
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C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1656 -
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
PID:1856
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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 WriteProcessMemory
PID:680 -
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
PID:2992
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C:\Users\Admin\AppData\Local\Temp\SystemPropertiesPerformance.exe"C:\Users\Admin\AppData\Local\Temp\SystemPropertiesPerformance.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2180
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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
PID:2756
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb
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Filesize
405KB
MD5b8ba87ee4c3fc085a2fed0d839aadce1
SHA1b3a2e3256406330e8b1779199bb2b9865122d766
SHA2564e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4
SHA5127a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2