Analysis
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max time kernel
5s -
max time network
84s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
17-08-2024 02:43
Behavioral task
behavioral1
Sample
d51b90da4fbc73a552fc6535765fab90N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
d51b90da4fbc73a552fc6535765fab90N.exe
Resource
win10v2004-20240802-en
General
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Target
d51b90da4fbc73a552fc6535765fab90N.exe
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Size
2.0MB
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MD5
d51b90da4fbc73a552fc6535765fab90
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SHA1
23b698e05b97e9c57a280094812254ae8cdb203d
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SHA256
ee69e572e5b494b52bbd7d9f058fe0e6920821ed1cdd96a60221d1ff3a5cd3f3
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SHA512
661de2af0804a5216f89349155006625e90e96b504b318107e942f626776476b98d7b48b9b1b168dcc4cf8e53b87ef110bc91b555e0dadbe89c0bce3329a6478
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYo: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/3080-32-0x0000000000B00000-0x0000000000B5E000-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:
d51b90da4fbc73a552fc6535765fab90N.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation d51b90da4fbc73a552fc6535765fab90N.exe -
Executes dropped EXE 3 IoCs
Processes:
vnc.exewindef.exewinsock.exepid process 4960 vnc.exe 3080 windef.exe 4792 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:
d51b90da4fbc73a552fc6535765fab90N.exedescription ioc process File opened (read-only) \??\a: d51b90da4fbc73a552fc6535765fab90N.exe File opened (read-only) \??\e: d51b90da4fbc73a552fc6535765fab90N.exe File opened (read-only) \??\h: d51b90da4fbc73a552fc6535765fab90N.exe File opened (read-only) \??\o: d51b90da4fbc73a552fc6535765fab90N.exe File opened (read-only) \??\q: d51b90da4fbc73a552fc6535765fab90N.exe File opened (read-only) \??\s: d51b90da4fbc73a552fc6535765fab90N.exe File opened (read-only) \??\w: d51b90da4fbc73a552fc6535765fab90N.exe File opened (read-only) \??\b: d51b90da4fbc73a552fc6535765fab90N.exe File opened (read-only) \??\k: d51b90da4fbc73a552fc6535765fab90N.exe File opened (read-only) \??\t: d51b90da4fbc73a552fc6535765fab90N.exe File opened (read-only) \??\u: d51b90da4fbc73a552fc6535765fab90N.exe File opened (read-only) \??\v: d51b90da4fbc73a552fc6535765fab90N.exe File opened (read-only) \??\x: d51b90da4fbc73a552fc6535765fab90N.exe File opened (read-only) \??\g: d51b90da4fbc73a552fc6535765fab90N.exe File opened (read-only) \??\i: d51b90da4fbc73a552fc6535765fab90N.exe File opened (read-only) \??\j: d51b90da4fbc73a552fc6535765fab90N.exe File opened (read-only) \??\n: d51b90da4fbc73a552fc6535765fab90N.exe File opened (read-only) \??\p: d51b90da4fbc73a552fc6535765fab90N.exe File opened (read-only) \??\z: d51b90da4fbc73a552fc6535765fab90N.exe File opened (read-only) \??\l: d51b90da4fbc73a552fc6535765fab90N.exe File opened (read-only) \??\m: d51b90da4fbc73a552fc6535765fab90N.exe File opened (read-only) \??\r: d51b90da4fbc73a552fc6535765fab90N.exe File opened (read-only) \??\y: d51b90da4fbc73a552fc6535765fab90N.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:
d51b90da4fbc73a552fc6535765fab90N.exedescription pid process target process PID 3052 set thread context of 3100 3052 d51b90da4fbc73a552fc6535765fab90N.exe d51b90da4fbc73a552fc6535765fab90N.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 2396 4960 WerFault.exe vnc.exe 4588 2088 WerFault.exe vnc.exe 3108 4792 WerFault.exe winsock.exe 2732 2736 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:
windef.exed51b90da4fbc73a552fc6535765fab90N.exeschtasks.exeschtasks.exewinsock.exeschtasks.exed51b90da4fbc73a552fc6535765fab90N.exevnc.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language windef.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d51b90da4fbc73a552fc6535765fab90N.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 d51b90da4fbc73a552fc6535765fab90N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vnc.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 2344 PING.EXE 3020 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 4448 schtasks.exe 544 schtasks.exe 4428 schtasks.exe 5088 schtasks.exe 1348 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
d51b90da4fbc73a552fc6535765fab90N.exepid process 3052 d51b90da4fbc73a552fc6535765fab90N.exe 3052 d51b90da4fbc73a552fc6535765fab90N.exe 3052 d51b90da4fbc73a552fc6535765fab90N.exe 3052 d51b90da4fbc73a552fc6535765fab90N.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
windef.exewinsock.exedescription pid process Token: SeDebugPrivilege 3080 windef.exe Token: SeDebugPrivilege 4792 winsock.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
winsock.exepid process 4792 winsock.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
d51b90da4fbc73a552fc6535765fab90N.exevnc.exewindef.exewinsock.exedescription pid process target process PID 3052 wrote to memory of 4960 3052 d51b90da4fbc73a552fc6535765fab90N.exe vnc.exe PID 3052 wrote to memory of 4960 3052 d51b90da4fbc73a552fc6535765fab90N.exe vnc.exe PID 3052 wrote to memory of 4960 3052 d51b90da4fbc73a552fc6535765fab90N.exe vnc.exe PID 3052 wrote to memory of 3080 3052 d51b90da4fbc73a552fc6535765fab90N.exe windef.exe PID 3052 wrote to memory of 3080 3052 d51b90da4fbc73a552fc6535765fab90N.exe windef.exe PID 3052 wrote to memory of 3080 3052 d51b90da4fbc73a552fc6535765fab90N.exe windef.exe PID 4960 wrote to memory of 1292 4960 vnc.exe svchost.exe PID 4960 wrote to memory of 1292 4960 vnc.exe svchost.exe PID 4960 wrote to memory of 1292 4960 vnc.exe svchost.exe PID 3052 wrote to memory of 3100 3052 d51b90da4fbc73a552fc6535765fab90N.exe d51b90da4fbc73a552fc6535765fab90N.exe PID 3052 wrote to memory of 3100 3052 d51b90da4fbc73a552fc6535765fab90N.exe d51b90da4fbc73a552fc6535765fab90N.exe PID 3052 wrote to memory of 3100 3052 d51b90da4fbc73a552fc6535765fab90N.exe d51b90da4fbc73a552fc6535765fab90N.exe PID 3052 wrote to memory of 3100 3052 d51b90da4fbc73a552fc6535765fab90N.exe d51b90da4fbc73a552fc6535765fab90N.exe PID 3052 wrote to memory of 3100 3052 d51b90da4fbc73a552fc6535765fab90N.exe d51b90da4fbc73a552fc6535765fab90N.exe PID 3052 wrote to memory of 4428 3052 d51b90da4fbc73a552fc6535765fab90N.exe schtasks.exe PID 3052 wrote to memory of 4428 3052 d51b90da4fbc73a552fc6535765fab90N.exe schtasks.exe PID 3052 wrote to memory of 4428 3052 d51b90da4fbc73a552fc6535765fab90N.exe schtasks.exe PID 3080 wrote to memory of 5088 3080 windef.exe schtasks.exe PID 3080 wrote to memory of 5088 3080 windef.exe schtasks.exe PID 3080 wrote to memory of 5088 3080 windef.exe schtasks.exe PID 3080 wrote to memory of 4792 3080 windef.exe winsock.exe PID 3080 wrote to memory of 4792 3080 windef.exe winsock.exe PID 3080 wrote to memory of 4792 3080 windef.exe winsock.exe PID 4792 wrote to memory of 1348 4792 winsock.exe schtasks.exe PID 4792 wrote to memory of 1348 4792 winsock.exe schtasks.exe PID 4792 wrote to memory of 1348 4792 winsock.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d51b90da4fbc73a552fc6535765fab90N.exe"C:\Users\Admin\AppData\Local\Temp\d51b90da4fbc73a552fc6535765fab90N.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:3052 -
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:4960 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:1292
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4960 -s 5483⤵
- Program crash
PID:2396 -
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:3080 -
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:5088 -
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:4792 -
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:1348 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\lxsGmWXMgiw7.bat" "4⤵PID:3672
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C:\Windows\SysWOW64\chcp.comchcp 650015⤵PID:3064
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C:\Windows\SysWOW64\PING.EXEping -n 10 localhost5⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2344 -
C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"5⤵PID:2736
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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:544 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\gNBZ8JaPPwQ1.bat" "6⤵PID:4304
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C:\Windows\SysWOW64\chcp.comchcp 650017⤵PID:4640
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C:\Windows\SysWOW64\PING.EXEping -n 10 localhost7⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:3020 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2736 -s 20006⤵
- Program crash
PID:2732 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4792 -s 22644⤵
- Program crash
PID:3108 -
C:\Users\Admin\AppData\Local\Temp\d51b90da4fbc73a552fc6535765fab90N.exe"C:\Users\Admin\AppData\Local\Temp\d51b90da4fbc73a552fc6535765fab90N.exe"2⤵
- System Location Discovery: System Language Discovery
PID:3100 -
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:4428
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4960 -ip 49601⤵PID:1352
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exeC:\Users\Admin\btpanui\SystemPropertiesPerformance.exe1⤵PID:4180
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C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"2⤵PID:2088
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:4704
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2088 -s 5283⤵
- Program crash
PID:4588 -
C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"2⤵PID:3616
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"2⤵PID:4384
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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:4448
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2088 -ip 20881⤵PID:2684
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4792 -ip 47921⤵PID:4812
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2736 -ip 27361⤵PID:4144
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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:4288
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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:3548
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
MD596e001dc7652ddc7642e84b38cb4d787
SHA1a808f474a2c7c9f03fa0ae044cca3c31a1996ae0
SHA2560663fb2ffd15f1a993cd8ca7278ff9efdad802367a403a11deeb9625c03df7b8
SHA5125ef5c0c4b2bc01150bfb75ef99cb4484e019841a3e972ad4fab03f8b30b9a5977de10d665a73868ea79ec8c631d0d0979fa46bd3a6b927674a6488af3404866e
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Filesize
208B
MD5bb5b54af277ae3159797021ac5be5fda
SHA12f5569bb8a60d38395879bc6c7ff5275abb95493
SHA256e2aa5c4a6951fb32db4f6fd2e8b762173e1d8820b523e2c38e8dbef0fd8a01d7
SHA512076e102fb5ed2d79f56dd90b1a816f7a1393b75cff77a067432624c743edea9d7061da2a25b210f6e3c3b6fc04f0303461887b009da439ed7178aa670b2455ff
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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
MD52a96be643d0cab25a9fc6281ba8ffe0f
SHA1e92a93067217d3e908e18951709c84c03b569a7b
SHA25654b94ed56e9c354d60c4cab8de91c58393c84a95d029541217b70a6626db08dc
SHA5127c456b1b4b2af5bd3b50593fe0e16cbfd0f9077f23e44e947eb70eb0e2f50729cf8eb9550cea0d8bbba37c41a9b77de87cb9e68196b2d79b992882915cb2180f
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Filesize
2.0MB
MD50415546b013a0e6c1732ca68c39da90a
SHA1dfe9010c122b376cc2f54e51c7f6cd619cb5e431
SHA256e1a4be88d85d13c1c5626bfd1db17caa7812849fb13bd2b960a34a5590309887
SHA5129be8f85c8ce318084a9d81be24e8a4197835d8c2c867e9d927cfd753de5dbe350ce944dddc62a1062fe3a9b2dbefe8fe6fa5562f0d352dd54493cfd68bbf695b