Analysis
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max time kernel
5s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
03-07-2024 00:07
Behavioral task
behavioral1
Sample
8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe
Resource
win10v2004-20240611-en
General
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Target
8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe
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Size
2.0MB
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MD5
769ded1ba7b202918ff301a726156481
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SHA1
a21c5a68bb2c9e8a89dafa1bad6fda99d3196ba4
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SHA256
8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4
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SHA512
9644f639c322fb1a3d5b78ebcd1e1c8fab39e3313aceca713d25aae331cc54d178e26144c52b0e19a7c83053f2fb48fd3ed1459358cf257a5de87819db18f4b4
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYk:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yi
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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Processes:
schtasks.exepid process 2752 schtasks.exe 50 ip-api.com 11 ip-api.com -
Quasar payload 3 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\windef.exe family_quasar behavioral2/memory/4200-30-0x0000000000870000-0x00000000008CE000-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:
8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Control Panel\International\Geo\Nation 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe -
Executes dropped EXE 3 IoCs
Processes:
vnc.exewindef.exewinsock.exepid process 5000 vnc.exe 4200 windef.exe 2468 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:
8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exedescription ioc process File opened (read-only) \??\b: 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe File opened (read-only) \??\l: 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe File opened (read-only) \??\o: 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe File opened (read-only) \??\r: 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe File opened (read-only) \??\s: 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe File opened (read-only) \??\y: 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe File opened (read-only) \??\z: 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe File opened (read-only) \??\e: 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe File opened (read-only) \??\j: 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe File opened (read-only) \??\k: 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe File opened (read-only) \??\m: 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe File opened (read-only) \??\p: 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe File opened (read-only) \??\x: 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe File opened (read-only) \??\u: 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe File opened (read-only) \??\v: 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe File opened (read-only) \??\a: 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe File opened (read-only) \??\g: 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe File opened (read-only) \??\i: 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe File opened (read-only) \??\n: 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe File opened (read-only) \??\q: 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe File opened (read-only) \??\t: 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe File opened (read-only) \??\h: 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe File opened (read-only) \??\w: 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 11 ip-api.com 50 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:
8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exedescription pid process target process PID 1556 set thread context of 4264 1556 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.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 3192 5000 WerFault.exe vnc.exe 3908 4380 WerFault.exe vnc.exe 5008 2468 WerFault.exe winsock.exe 1904 4368 WerFault.exe winsock.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 2944 schtasks.exe 1968 schtasks.exe 3944 schtasks.exe 1548 schtasks.exe 2752 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exepid process 1556 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe 1556 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe 1556 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe 1556 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
windef.exewinsock.exedescription pid process Token: SeDebugPrivilege 4200 windef.exe Token: SeDebugPrivilege 2468 winsock.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
winsock.exepid process 2468 winsock.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exevnc.exewindef.exewinsock.exedescription pid process target process PID 1556 wrote to memory of 5000 1556 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe vnc.exe PID 1556 wrote to memory of 5000 1556 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe vnc.exe PID 1556 wrote to memory of 5000 1556 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe vnc.exe PID 5000 wrote to memory of 3460 5000 vnc.exe svchost.exe PID 5000 wrote to memory of 3460 5000 vnc.exe svchost.exe PID 5000 wrote to memory of 3460 5000 vnc.exe svchost.exe PID 1556 wrote to memory of 4200 1556 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe windef.exe PID 1556 wrote to memory of 4200 1556 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe windef.exe PID 1556 wrote to memory of 4200 1556 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe windef.exe PID 1556 wrote to memory of 4264 1556 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe PID 1556 wrote to memory of 4264 1556 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe PID 1556 wrote to memory of 4264 1556 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe PID 1556 wrote to memory of 4264 1556 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe PID 1556 wrote to memory of 4264 1556 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe PID 1556 wrote to memory of 2752 1556 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe schtasks.exe PID 1556 wrote to memory of 2752 1556 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe schtasks.exe PID 1556 wrote to memory of 2752 1556 8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe schtasks.exe PID 4200 wrote to memory of 2944 4200 windef.exe schtasks.exe PID 4200 wrote to memory of 2944 4200 windef.exe schtasks.exe PID 4200 wrote to memory of 2944 4200 windef.exe schtasks.exe PID 4200 wrote to memory of 2468 4200 windef.exe winsock.exe PID 4200 wrote to memory of 2468 4200 windef.exe winsock.exe PID 4200 wrote to memory of 2468 4200 windef.exe winsock.exe PID 2468 wrote to memory of 1968 2468 winsock.exe schtasks.exe PID 2468 wrote to memory of 1968 2468 winsock.exe schtasks.exe PID 2468 wrote to memory of 1968 2468 winsock.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe"C:\Users\Admin\AppData\Local\Temp\8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe"1⤵
- Checks computer location settings
- Enumerates connected drives
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1556 -
C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5000 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:3460
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5000 -s 5483⤵
- Program crash
PID:3192 -
C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4200 -
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⤵
- Scheduled Task/Job: Scheduled Task
PID:2944 -
C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2468 -
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:1968 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\XKrnl0k8GBSB.bat" "4⤵PID:4716
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C:\Windows\SysWOW64\chcp.comchcp 650015⤵PID:4420
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C:\Windows\SysWOW64\PING.EXEping -n 10 localhost5⤵
- Runs ping.exe
PID:5012 -
C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"5⤵PID:4368
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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:1548 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\WEuF3tBzu9mO.bat" "6⤵PID:3884
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C:\Windows\SysWOW64\chcp.comchcp 650017⤵PID:4388
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C:\Windows\SysWOW64\PING.EXEping -n 10 localhost7⤵
- Runs ping.exe
PID:2084 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4368 -s 22286⤵
- Program crash
PID:1904 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2468 -s 22484⤵
- Program crash
PID:5008 -
C:\Users\Admin\AppData\Local\Temp\8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe"C:\Users\Admin\AppData\Local\Temp\8d4959256e53fb74a296edbd63a8287d142b99804dcfa5e64c991a86c7e440d4.exe"2⤵PID:4264
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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⤵
- Quasar RAT
- Scheduled Task/Job: Scheduled Task
PID:2752
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5000 -ip 50001⤵PID:2084
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exeC:\Users\Admin\btpanui\SystemPropertiesPerformance.exe1⤵PID:4644
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C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"2⤵PID:4380
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:2176
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 5203⤵
- Program crash
PID:3908 -
C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"2⤵PID:2908
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"2⤵PID:3680
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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:3944
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4380 -ip 43801⤵PID:3676
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2468 -ip 24681⤵PID:1964
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4368 -ip 43681⤵PID:4892
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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:4500
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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:2016
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
MD58bb37112ee78bf34e490f31d8d4fcbc1
SHA139f333a38e69c87815a406d299f730b10b4b4fbc
SHA25668bcd408bf122d4fb0e5e90dd8885f71be723b24ac2f153e6053baac838fe2e0
SHA512cc4a56440a74017738183ab4ad8182502a2ab083d2fcc725e2fca3083e754395074d071e6fe9e7bd0d838d4a9be6613ce57c12dfd024ea2714945bc575c41e4b
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Filesize
208B
MD5d3223ed6a9c98bfb0b96dbd542cdd026
SHA192b251d7c73301e01457e3f605ae0ac51f36b8f0
SHA25641eb05a766c717788511859b1c15f47894e46706938cdf7555b692d40c8c4711
SHA5122135a32e495a7f53dc7d5c0be0ce952ff14d9aa096e7de0f7cafab7aab0af6c83c184e3724031e56f6f103a9fc4fce97a93291dad82b698fc2142192ae534c70
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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
224B
MD5c8304694c6232a343dd656853b166e23
SHA114db6a615d5b9302fec6765145c5a6cb1314ca34
SHA256314c3ec16fb92eaf83d24bb5ac36fa0ada1f653c72eb851c436557dc51ca2e47
SHA512264d1e26806178faecd8c9b397a93a047dbfdcb6888db0382c0c2f1514456b74c564491623da1d85f87fb81949b871e8c154f28ab3bbccf50c619f139544cc5f
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Filesize
2.0MB
MD5aa57e42c1c0c64a80307eac41e55be75
SHA14cd2c96c8ea8e4804cc98a48162bef34446ea764
SHA2562ea7c19e17862f1e6b9d1e4c7faf29f9b32a33cc2bb9821ae67fd41a3248d67b
SHA51268d96b2b125eb6bbb7cc7cd7b70867fa761d077229953a07369d2f138f4823749fcc3ddf4c10feed6b5fee22d14b6bbfe6c33e6e0816727afddb6d4aee347fc2