Analysis
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max time kernel
4s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
31-08-2024 01:46
Behavioral task
behavioral1
Sample
877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe
Resource
win10v2004-20240802-en
General
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Target
877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe
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Size
2.0MB
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MD5
b83b407650a4430de314fab0699bee00
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SHA1
daa90ab02e6073469b64ff0ff17aeb6e11cdb6f4
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SHA256
877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4
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SHA512
4bc00830b9f31f69fe45584b06373527e0941d3a967f76ce681a05fa07b1d1f0ac7ffed1f1a926bdece3c78d6ea5d5f6b02b9ce29e97899afb4c968d850497b6
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYJ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YT
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
-
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/3056-46-0x0000000000C00000-0x0000000000C5E000-memory.dmp family_quasar behavioral1/memory/1708-62-0x0000000000BB0000-0x0000000000C0E000-memory.dmp family_quasar C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe family_quasar behavioral1/memory/1788-109-0x0000000000FA0000-0x0000000000FFE000-memory.dmp family_quasar -
Executes dropped EXE 3 IoCs
Processes:
vnc.exewindef.exewinsock.exepid process 2344 vnc.exe 3056 windef.exe 1708 winsock.exe -
Loads dropped DLL 9 IoCs
Processes:
877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exewindef.exepid process 3004 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe 3004 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe 3004 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe 3004 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe 3004 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe 3004 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe 3004 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe 3004 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe 3056 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:
877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exedescription ioc process File opened (read-only) \??\j: 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe File opened (read-only) \??\r: 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe File opened (read-only) \??\s: 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe File opened (read-only) \??\t: 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe File opened (read-only) \??\z: 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe File opened (read-only) \??\h: 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe File opened (read-only) \??\b: 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe File opened (read-only) \??\k: 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe File opened (read-only) \??\o: 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe File opened (read-only) \??\v: 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe File opened (read-only) \??\y: 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe File opened (read-only) \??\a: 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe File opened (read-only) \??\u: 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe File opened (read-only) \??\x: 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe File opened (read-only) \??\g: 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe File opened (read-only) \??\i: 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe File opened (read-only) \??\l: 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe File opened (read-only) \??\m: 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe File opened (read-only) \??\n: 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe File opened (read-only) \??\p: 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe File opened (read-only) \??\q: 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe File opened (read-only) \??\w: 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe File opened (read-only) \??\e: 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.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 5 ip-api.com -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
svchost.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum svchost.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 svchost.exe -
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 2 IoCs
Processes:
877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exevnc.exedescription pid process target process PID 3004 set thread context of 2764 3004 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe PID 2344 set thread context of 2644 2344 vnc.exe svchost.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 780 1692 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:
windef.exe877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exeschtasks.exeschtasks.exewinsock.exeschtasks.exe877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exevnc.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language windef.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vnc.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 2824 schtasks.exe 1944 schtasks.exe 2352 schtasks.exe 408 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exepid process 3004 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe 3004 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
vnc.exepid process 2344 vnc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
windef.exewinsock.exedescription pid process Token: SeDebugPrivilege 3056 windef.exe Token: SeDebugPrivilege 1708 winsock.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
winsock.exepid process 1708 winsock.exe -
Suspicious use of WriteProcessMemory 37 IoCs
Processes:
877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exevnc.exewindef.exewinsock.exedescription pid process target process PID 3004 wrote to memory of 2344 3004 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe vnc.exe PID 3004 wrote to memory of 2344 3004 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe vnc.exe PID 3004 wrote to memory of 2344 3004 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe vnc.exe PID 3004 wrote to memory of 2344 3004 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe vnc.exe PID 2344 wrote to memory of 2644 2344 vnc.exe svchost.exe PID 2344 wrote to memory of 2644 2344 vnc.exe svchost.exe PID 2344 wrote to memory of 2644 2344 vnc.exe svchost.exe PID 2344 wrote to memory of 2644 2344 vnc.exe svchost.exe PID 3004 wrote to memory of 3056 3004 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe windef.exe PID 3004 wrote to memory of 3056 3004 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe windef.exe PID 3004 wrote to memory of 3056 3004 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe windef.exe PID 3004 wrote to memory of 3056 3004 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe windef.exe PID 2344 wrote to memory of 2644 2344 vnc.exe svchost.exe PID 3004 wrote to memory of 2764 3004 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe PID 3004 wrote to memory of 2764 3004 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe PID 3004 wrote to memory of 2764 3004 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe PID 3004 wrote to memory of 2764 3004 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe PID 3004 wrote to memory of 2764 3004 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe PID 3004 wrote to memory of 2764 3004 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe PID 3004 wrote to memory of 2824 3004 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe schtasks.exe PID 3004 wrote to memory of 2824 3004 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe schtasks.exe PID 3004 wrote to memory of 2824 3004 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe schtasks.exe PID 3004 wrote to memory of 2824 3004 877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe schtasks.exe PID 2344 wrote to memory of 2644 2344 vnc.exe svchost.exe PID 2344 wrote to memory of 2644 2344 vnc.exe svchost.exe PID 3056 wrote to memory of 1944 3056 windef.exe schtasks.exe PID 3056 wrote to memory of 1944 3056 windef.exe schtasks.exe PID 3056 wrote to memory of 1944 3056 windef.exe schtasks.exe PID 3056 wrote to memory of 1944 3056 windef.exe schtasks.exe PID 3056 wrote to memory of 1708 3056 windef.exe winsock.exe PID 3056 wrote to memory of 1708 3056 windef.exe winsock.exe PID 3056 wrote to memory of 1708 3056 windef.exe winsock.exe PID 3056 wrote to memory of 1708 3056 windef.exe winsock.exe PID 1708 wrote to memory of 2352 1708 winsock.exe schtasks.exe PID 1708 wrote to memory of 2352 1708 winsock.exe schtasks.exe PID 1708 wrote to memory of 2352 1708 winsock.exe schtasks.exe PID 1708 wrote to memory of 2352 1708 winsock.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe"C:\Users\Admin\AppData\Local\Temp\877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.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:3004 -
C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2344 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵
- Maps connected drives based on registry
PID:2644 -
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:3056 -
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:1944 -
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
PID:1708 -
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:2352 -
C:\Users\Admin\AppData\Local\Temp\877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe"C:\Users\Admin\AppData\Local\Temp\877106f8412be6c602573e6ece4b51e3dd4eaa33030946b9ae785ed9d19933a4.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2764 -
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:2824
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C:\Windows\system32\taskeng.exetaskeng.exe {9046641B-055D-4C22-B1F5-6FE7569BAEB5} S-1-5-21-1506706701-1246725540-2219210854-1000:MUYDDIIS\Admin:Interactive:[1]1⤵PID:380
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exeC:\Users\Admin\btpanui\SystemPropertiesPerformance.exe2⤵PID:468
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C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"3⤵PID:1692
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k4⤵PID:1176
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1692 -s 1604⤵
- Program crash
PID:780 -
C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"3⤵PID:1788
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"3⤵PID:2392
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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:408
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
211B
MD55db795e562d3c41ae6f75b250744e1b1
SHA11f43d7232648a1e17a7ffd5f999c293554507402
SHA256134b921662c2dd53ac03462b962ef5b15cc6e1a5cf6b0ec5771c0eec86094bdf
SHA5121dd1b98589b7d01df35536fc62706f0f18ae27ebf4aa217fc422d0f84c3f6775182e5916be5cf6538527fc7b310efd0f3b6d3001bac28bf20b31fd7b2e56f153
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Filesize
2.0MB
MD5e9cd32bcd7b80c49f4d08e1541d5dd18
SHA1d0b639e9253858334a1b3f7571ce4fb2d342d1b0
SHA256e506c67548627db0ec69eb96190abf8b3cd0fdc4aca5051a72316328024351a3
SHA51288886af9207a39710a778d1794a2041042b0bbd64ea94c006f96767b7c9bafc0b7a1803fa1907306969de1a8b6307804dca0b8c7bfd4890ef57970ea718a8073
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Filesize
405KB
MD5b8ba87ee4c3fc085a2fed0d839aadce1
SHA1b3a2e3256406330e8b1779199bb2b9865122d766
SHA2564e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4
SHA5127a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2
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Filesize
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb