Analysis
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max time kernel
6s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
17-09-2024 12:47
Behavioral task
behavioral1
Sample
b71b3534b0a78b04ca486d30825aa840d8116fe1.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b71b3534b0a78b04ca486d30825aa840d8116fe1.exe
Resource
win10v2004-20240802-en
General
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Target
b71b3534b0a78b04ca486d30825aa840d8116fe1.exe
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Size
2.0MB
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MD5
857c40553dce29df538ccadb3a3fd93a
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SHA1
b71b3534b0a78b04ca486d30825aa840d8116fe1
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SHA256
9e22b476c2dd9c5f2bc503dcb4fa1efcfe38c6758005297835fa8413c5855ea0
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SHA512
dfb4b85890131260b7f60e15a433674e657bffdb8a4da312c790988ab67a549b673da62cf3952c0c99ac3355e43bdc9c6d0986bba05e8cefc0129615385d6f5f
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYs:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YG
Malware Config
Extracted
azorult
http://0x21.in:8000/_az/
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
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
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\windef.exe family_quasar behavioral2/memory/3772-30-0x0000000000040000-0x000000000009E000-memory.dmp family_quasar C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe family_quasar -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
b71b3534b0a78b04ca486d30825aa840d8116fe1.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation b71b3534b0a78b04ca486d30825aa840d8116fe1.exe -
Executes dropped EXE 3 IoCs
Processes:
vnc.exewindef.exewinsock.exepid process 4860 vnc.exe 3772 windef.exe 3188 winsock.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
b71b3534b0a78b04ca486d30825aa840d8116fe1.exedescription ioc process File opened (read-only) \??\l: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\q: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\t: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\v: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\w: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\y: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\z: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\e: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\h: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\i: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\k: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\o: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\u: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\x: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\a: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\n: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\r: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\s: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\b: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\j: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\m: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\p: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\g: b71b3534b0a78b04ca486d30825aa840d8116fe1.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 11 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:
b71b3534b0a78b04ca486d30825aa840d8116fe1.exedescription pid process target process PID 3116 set thread context of 4416 3116 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe b71b3534b0a78b04ca486d30825aa840d8116fe1.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 4 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exeWerFault.exepid pid_target process target process 3568 4860 WerFault.exe vnc.exe 4020 3056 WerFault.exe vnc.exe 4772 3188 WerFault.exe winsock.exe 968 4584 WerFault.exe winsock.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:
schtasks.exeschtasks.exewinsock.exeschtasks.exeb71b3534b0a78b04ca486d30825aa840d8116fe1.exevnc.exewindef.exeb71b3534b0a78b04ca486d30825aa840d8116fe1.exedescription ioc process 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 b71b3534b0a78b04ca486d30825aa840d8116fe1.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 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
Processes:
PING.EXEPING.EXEpid process 3992 PING.EXE 1452 PING.EXE -
Runs ping.exe 1 TTPs 2 IoCs
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Scheduled Task/Job: Scheduled Task 1 TTPs 5 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exepid process 2692 schtasks.exe 4256 schtasks.exe 4408 schtasks.exe 2084 schtasks.exe 4664 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
b71b3534b0a78b04ca486d30825aa840d8116fe1.exepid process 3116 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe 3116 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe 3116 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe 3116 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
windef.exewinsock.exedescription pid process Token: SeDebugPrivilege 3772 windef.exe Token: SeDebugPrivilege 3188 winsock.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
winsock.exepid process 3188 winsock.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
b71b3534b0a78b04ca486d30825aa840d8116fe1.exevnc.exewindef.exewinsock.exedescription pid process target process PID 3116 wrote to memory of 4860 3116 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe vnc.exe PID 3116 wrote to memory of 4860 3116 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe vnc.exe PID 3116 wrote to memory of 4860 3116 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe vnc.exe PID 4860 wrote to memory of 4712 4860 vnc.exe svchost.exe PID 4860 wrote to memory of 4712 4860 vnc.exe svchost.exe PID 3116 wrote to memory of 3772 3116 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe windef.exe PID 3116 wrote to memory of 3772 3116 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe windef.exe PID 3116 wrote to memory of 3772 3116 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe windef.exe PID 4860 wrote to memory of 4712 4860 vnc.exe svchost.exe PID 3116 wrote to memory of 4416 3116 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe b71b3534b0a78b04ca486d30825aa840d8116fe1.exe PID 3116 wrote to memory of 4416 3116 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe b71b3534b0a78b04ca486d30825aa840d8116fe1.exe PID 3116 wrote to memory of 4416 3116 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe b71b3534b0a78b04ca486d30825aa840d8116fe1.exe PID 3116 wrote to memory of 4416 3116 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe b71b3534b0a78b04ca486d30825aa840d8116fe1.exe PID 3116 wrote to memory of 4416 3116 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe b71b3534b0a78b04ca486d30825aa840d8116fe1.exe PID 3116 wrote to memory of 4256 3116 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe schtasks.exe PID 3116 wrote to memory of 4256 3116 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe schtasks.exe PID 3116 wrote to memory of 4256 3116 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe schtasks.exe PID 3772 wrote to memory of 4408 3772 windef.exe schtasks.exe PID 3772 wrote to memory of 4408 3772 windef.exe schtasks.exe PID 3772 wrote to memory of 4408 3772 windef.exe schtasks.exe PID 3772 wrote to memory of 3188 3772 windef.exe winsock.exe PID 3772 wrote to memory of 3188 3772 windef.exe winsock.exe PID 3772 wrote to memory of 3188 3772 windef.exe winsock.exe PID 3188 wrote to memory of 2084 3188 winsock.exe schtasks.exe PID 3188 wrote to memory of 2084 3188 winsock.exe schtasks.exe PID 3188 wrote to memory of 2084 3188 winsock.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b71b3534b0a78b04ca486d30825aa840d8116fe1.exe"C:\Users\Admin\AppData\Local\Temp\b71b3534b0a78b04ca486d30825aa840d8116fe1.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
PID:3116 -
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:4860 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:4712
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4860 -s 5483⤵
- Program crash
PID:3568
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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
PID:3772 -
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:4408
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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
PID:3188 -
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:2084
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\xfLciWOyBCZC.bat" "4⤵PID:3132
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C:\Windows\SysWOW64\chcp.comchcp 650015⤵PID:1500
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C:\Windows\SysWOW64\PING.EXEping -n 10 localhost5⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:3992
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C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"5⤵PID:4584
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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
PID:2692
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\PGgrYXMKhp9d.bat" "6⤵PID:2548
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C:\Windows\SysWOW64\chcp.comchcp 650017⤵PID:4564
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C:\Windows\SysWOW64\PING.EXEping -n 10 localhost7⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:1452
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4584 -s 22246⤵
- Program crash
PID:968
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3188 -s 19804⤵
- Program crash
PID:4772
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C:\Users\Admin\AppData\Local\Temp\b71b3534b0a78b04ca486d30825aa840d8116fe1.exe"C:\Users\Admin\AppData\Local\Temp\b71b3534b0a78b04ca486d30825aa840d8116fe1.exe"2⤵
- System Location Discovery: System Language Discovery
PID:4416
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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:4256
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4860 -ip 48601⤵PID:1844
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exeC:\Users\Admin\btpanui\SystemPropertiesPerformance.exe1⤵PID:4216
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C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"2⤵PID:3056
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:3652
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 5283⤵
- Program crash
PID:4020
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C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"2⤵PID:4392
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"2⤵PID:4344
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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
PID:4664
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3056 -ip 30561⤵PID:2996
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 3188 -ip 31881⤵PID:904
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4584 -ip 45841⤵PID:216
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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⤵PID:4124
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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⤵PID:2920
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:4120
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C:\Windows\explorer.exeexplorer.exe /LOADSAVEDWINDOWS2⤵PID:2292
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD510eab9c2684febb5327b6976f2047587
SHA1a12ed54146a7f5c4c580416aecb899549712449e
SHA256f49dbd55029bfbc15134f7c6a4f967d6c39142c63f2e8f1f8c78fab108a2c928
SHA5127e5fd90fffae723bd0c662a90e0730b507805f072771ee673d1d8c262dbf60c8a03ba5fe088f699a97c2e886380de158b2ccd59ee62e3d012dd6dd14ea9d0e50
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Filesize
208B
MD51549d8701e46f9cda28682d162b95d43
SHA1f5bc2333dbe0c4ff220e0bea3436f42bb1a727c0
SHA256fbb226c6fdc3124110a02f0557aea86473eb1d9c6b6a143fd5bace65769265e6
SHA5120a1513ec2aec1898725208a1b7dbf5122eda37618de8959007fa6a532939645adc284dbb8b5f9247808254960e51dcb8b5ac3316919bd706d645a9ab3271334e
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Filesize
405KB
MD5b8ba87ee4c3fc085a2fed0d839aadce1
SHA1b3a2e3256406330e8b1779199bb2b9865122d766
SHA2564e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4
SHA5127a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2
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Filesize
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb
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Filesize
208B
MD5719d1dc7f26416cf989adc4a2736eb7a
SHA1c48bc3003c7cc2c5678d2c2932be7dbbba730e3e
SHA256978dfc4c485c74e656e2b608e3d56b42aa39caa2596e03ddd95ac1cdcee954b0
SHA5123f728f184c71c0bf4ec4cc06a53e22ed4513e4631138f206229caa3c2dfdf324f6b4b223adc014d5210dbad7651ca8be22a036ed8700ce61b69d3c22a5354e45
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Filesize
224B
MD55f04096fb33aa41b51ffcd946ac66893
SHA1203094f47dbaef136d882c06fede80d51980186b
SHA2564e54cd81a9239b2da47d13fb716b10098de02b2745460d0253768e22f0852576
SHA5126057499dddaf61f68440136c61d10e1c699d3700f3d5852df24532487defff68ddea6dd845d8867ef418598b48f42fa3508d65e14831d1472e94548ac7f6446a
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Filesize
2.0MB
MD5209d9637342f715fc719d36d6f6b0ca5
SHA1285aac0d7c5882de1e54ba41b1463f7b9e217bfe
SHA25604546d8f09e553bd827adf7ee31e9b2610868e6509a59c44452e34cb2e4a72e9
SHA512375acb4cb9f445866c11a389743461652f7f8957741146b97f5e9c7b34833e6d35ed0b5bc9e79d14b3e38cc80f04a51c24b68d4b6445c27d4db7f5446814b9ad