Analysis
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max time kernel
3s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
09-09-2024 10:11
Behavioral task
behavioral1
Sample
451d0f9d77c31129f271d062425abb50N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
451d0f9d77c31129f271d062425abb50N.exe
Resource
win10v2004-20240802-en
General
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Target
451d0f9d77c31129f271d062425abb50N.exe
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Size
2.0MB
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MD5
451d0f9d77c31129f271d062425abb50
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SHA1
71750713e968cffc9c53743dde99dfa909389933
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SHA256
8cb956bcc3afb6feb498b80112700b4cd124b5de71d90d87cbf6eebd0d371da5
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SHA512
54001281e47c5722c8470cbabdb1963cb0426e16a43510eea993e755b8ebbadb2224f27068105787c099074902298033a38e2a72bdfbbb4e5d7a85578de2427f
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYd:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YH
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 5 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\windef.exe family_quasar behavioral1/memory/2784-45-0x00000000000B0000-0x000000000010E000-memory.dmp family_quasar C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe family_quasar behavioral1/memory/444-59-0x0000000000DB0000-0x0000000000E0E000-memory.dmp family_quasar behavioral1/memory/2192-101-0x0000000001000000-0x000000000105E000-memory.dmp family_quasar -
Executes dropped EXE 4 IoCs
Processes:
vnc.exewindef.exeSystemPropertiesPerformance.exewinsock.exepid process 2028 vnc.exe 2784 windef.exe 2704 SystemPropertiesPerformance.exe 444 winsock.exe -
Loads dropped DLL 13 IoCs
Processes:
451d0f9d77c31129f271d062425abb50N.exeWerFault.exewindef.exepid process 2352 451d0f9d77c31129f271d062425abb50N.exe 2352 451d0f9d77c31129f271d062425abb50N.exe 2352 451d0f9d77c31129f271d062425abb50N.exe 2352 451d0f9d77c31129f271d062425abb50N.exe 2352 451d0f9d77c31129f271d062425abb50N.exe 2352 451d0f9d77c31129f271d062425abb50N.exe 2352 451d0f9d77c31129f271d062425abb50N.exe 2352 451d0f9d77c31129f271d062425abb50N.exe 2872 WerFault.exe 2872 WerFault.exe 2872 WerFault.exe 2872 WerFault.exe 2784 windef.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
451d0f9d77c31129f271d062425abb50N.exedescription ioc process File opened (read-only) \??\q: 451d0f9d77c31129f271d062425abb50N.exe File opened (read-only) \??\e: 451d0f9d77c31129f271d062425abb50N.exe File opened (read-only) \??\g: 451d0f9d77c31129f271d062425abb50N.exe File opened (read-only) \??\k: 451d0f9d77c31129f271d062425abb50N.exe File opened (read-only) \??\y: 451d0f9d77c31129f271d062425abb50N.exe File opened (read-only) \??\z: 451d0f9d77c31129f271d062425abb50N.exe File opened (read-only) \??\h: 451d0f9d77c31129f271d062425abb50N.exe File opened (read-only) \??\u: 451d0f9d77c31129f271d062425abb50N.exe File opened (read-only) \??\v: 451d0f9d77c31129f271d062425abb50N.exe File opened (read-only) \??\m: 451d0f9d77c31129f271d062425abb50N.exe File opened (read-only) \??\n: 451d0f9d77c31129f271d062425abb50N.exe File opened (read-only) \??\p: 451d0f9d77c31129f271d062425abb50N.exe File opened (read-only) \??\w: 451d0f9d77c31129f271d062425abb50N.exe File opened (read-only) \??\b: 451d0f9d77c31129f271d062425abb50N.exe File opened (read-only) \??\j: 451d0f9d77c31129f271d062425abb50N.exe File opened (read-only) \??\l: 451d0f9d77c31129f271d062425abb50N.exe File opened (read-only) \??\r: 451d0f9d77c31129f271d062425abb50N.exe File opened (read-only) \??\s: 451d0f9d77c31129f271d062425abb50N.exe File opened (read-only) \??\t: 451d0f9d77c31129f271d062425abb50N.exe File opened (read-only) \??\x: 451d0f9d77c31129f271d062425abb50N.exe File opened (read-only) \??\a: 451d0f9d77c31129f271d062425abb50N.exe File opened (read-only) \??\i: 451d0f9d77c31129f271d062425abb50N.exe File opened (read-only) \??\o: 451d0f9d77c31129f271d062425abb50N.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.
Processes:
flow ioc 4 ip-api.com -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
Processes:
resource yara_rule C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
451d0f9d77c31129f271d062425abb50N.exedescription pid process target process PID 2352 set thread context of 2808 2352 451d0f9d77c31129f271d062425abb50N.exe 451d0f9d77c31129f271d062425abb50N.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2872 2028 WerFault.exe vnc.exe -
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.
Processes:
451d0f9d77c31129f271d062425abb50N.exeschtasks.exeSystemPropertiesPerformance.exeschtasks.exewinsock.exe451d0f9d77c31129f271d062425abb50N.exevnc.exewindef.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 451d0f9d77c31129f271d062425abb50N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.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 winsock.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 451d0f9d77c31129f271d062425abb50N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vnc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language windef.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 4 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exeschtasks.exeschtasks.exepid process 300 schtasks.exe 1884 schtasks.exe 2612 schtasks.exe 2788 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
451d0f9d77c31129f271d062425abb50N.exeSystemPropertiesPerformance.exepid process 2352 451d0f9d77c31129f271d062425abb50N.exe 2352 451d0f9d77c31129f271d062425abb50N.exe 2704 SystemPropertiesPerformance.exe 2704 SystemPropertiesPerformance.exe 2704 SystemPropertiesPerformance.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
windef.exedescription pid process Token: SeDebugPrivilege 2784 windef.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
451d0f9d77c31129f271d062425abb50N.exevnc.exetaskeng.exewindef.exedescription pid process target process PID 2352 wrote to memory of 2028 2352 451d0f9d77c31129f271d062425abb50N.exe vnc.exe PID 2352 wrote to memory of 2028 2352 451d0f9d77c31129f271d062425abb50N.exe vnc.exe PID 2352 wrote to memory of 2028 2352 451d0f9d77c31129f271d062425abb50N.exe vnc.exe PID 2352 wrote to memory of 2028 2352 451d0f9d77c31129f271d062425abb50N.exe vnc.exe PID 2028 wrote to memory of 1628 2028 vnc.exe svchost.exe PID 2028 wrote to memory of 1628 2028 vnc.exe svchost.exe PID 2028 wrote to memory of 1628 2028 vnc.exe svchost.exe PID 2028 wrote to memory of 1628 2028 vnc.exe svchost.exe PID 2352 wrote to memory of 2784 2352 451d0f9d77c31129f271d062425abb50N.exe windef.exe PID 2352 wrote to memory of 2784 2352 451d0f9d77c31129f271d062425abb50N.exe windef.exe PID 2352 wrote to memory of 2784 2352 451d0f9d77c31129f271d062425abb50N.exe windef.exe PID 2352 wrote to memory of 2784 2352 451d0f9d77c31129f271d062425abb50N.exe windef.exe PID 2028 wrote to memory of 1628 2028 vnc.exe svchost.exe PID 2352 wrote to memory of 2808 2352 451d0f9d77c31129f271d062425abb50N.exe 451d0f9d77c31129f271d062425abb50N.exe PID 2352 wrote to memory of 2808 2352 451d0f9d77c31129f271d062425abb50N.exe 451d0f9d77c31129f271d062425abb50N.exe PID 2352 wrote to memory of 2808 2352 451d0f9d77c31129f271d062425abb50N.exe 451d0f9d77c31129f271d062425abb50N.exe PID 2352 wrote to memory of 2808 2352 451d0f9d77c31129f271d062425abb50N.exe 451d0f9d77c31129f271d062425abb50N.exe PID 2352 wrote to memory of 2808 2352 451d0f9d77c31129f271d062425abb50N.exe 451d0f9d77c31129f271d062425abb50N.exe PID 2352 wrote to memory of 2808 2352 451d0f9d77c31129f271d062425abb50N.exe 451d0f9d77c31129f271d062425abb50N.exe PID 2352 wrote to memory of 2612 2352 451d0f9d77c31129f271d062425abb50N.exe schtasks.exe PID 2352 wrote to memory of 2612 2352 451d0f9d77c31129f271d062425abb50N.exe schtasks.exe PID 2352 wrote to memory of 2612 2352 451d0f9d77c31129f271d062425abb50N.exe schtasks.exe PID 2352 wrote to memory of 2612 2352 451d0f9d77c31129f271d062425abb50N.exe schtasks.exe PID 2028 wrote to memory of 2872 2028 vnc.exe WerFault.exe PID 2028 wrote to memory of 2872 2028 vnc.exe WerFault.exe PID 2028 wrote to memory of 2872 2028 vnc.exe WerFault.exe PID 2028 wrote to memory of 2872 2028 vnc.exe WerFault.exe PID 2600 wrote to memory of 2704 2600 taskeng.exe SystemPropertiesPerformance.exe PID 2600 wrote to memory of 2704 2600 taskeng.exe SystemPropertiesPerformance.exe PID 2600 wrote to memory of 2704 2600 taskeng.exe SystemPropertiesPerformance.exe PID 2600 wrote to memory of 2704 2600 taskeng.exe SystemPropertiesPerformance.exe PID 2784 wrote to memory of 2788 2784 windef.exe schtasks.exe PID 2784 wrote to memory of 2788 2784 windef.exe schtasks.exe PID 2784 wrote to memory of 2788 2784 windef.exe schtasks.exe PID 2784 wrote to memory of 2788 2784 windef.exe schtasks.exe PID 2784 wrote to memory of 444 2784 windef.exe winsock.exe PID 2784 wrote to memory of 444 2784 windef.exe winsock.exe PID 2784 wrote to memory of 444 2784 windef.exe winsock.exe PID 2784 wrote to memory of 444 2784 windef.exe winsock.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\451d0f9d77c31129f271d062425abb50N.exe"C:\Users\Admin\AppData\Local\Temp\451d0f9d77c31129f271d062425abb50N.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:2352 -
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:2028 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:1628
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2028 -s 1603⤵
- Loads dropped DLL
- Program crash
PID:2872 -
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:2784 -
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:2788 -
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
PID:444 -
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⤵
- Scheduled Task/Job: Scheduled Task
PID:300 -
C:\Users\Admin\AppData\Local\Temp\451d0f9d77c31129f271d062425abb50N.exe"C:\Users\Admin\AppData\Local\Temp\451d0f9d77c31129f271d062425abb50N.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2808 -
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:2612
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C:\Windows\system32\taskeng.exetaskeng.exe {3075D3B3-6431-4818-B11A-5C1C18C25F3F} S-1-5-21-3533259084-2542256011-65585152-1000:XPAJOTIY\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:2600 -
C:\Users\Admin\btpanui\SystemPropertiesPerformance.exeC:\Users\Admin\btpanui\SystemPropertiesPerformance.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2704 -
C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"3⤵PID:2180
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k4⤵PID:2176
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C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"3⤵PID:2192
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"3⤵PID:1736
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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 /F3⤵
- Scheduled Task/Job: Scheduled Task
PID:1884
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.0MB
MD5f17f182ad8fa3f9dcbc84f8b75950aee
SHA132502cfb856c52465f7386b2a198bd0d7342d70b
SHA25605bb7c19eb9e0d131175d516667abec27ffb209bd2d032facdaa4ae523226ae6
SHA512aeb8302425a660177680970acd019ea176fae820e700d4f9457a7e433e53f39e65d2f87b4dad20932bcc8c91aa0e6fdc7ff0c2a848cadafccc261491fc91bf90
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Filesize
405KB
MD5b8ba87ee4c3fc085a2fed0d839aadce1
SHA1b3a2e3256406330e8b1779199bb2b9865122d766
SHA2564e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4
SHA5127a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2
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Filesize
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb