Analysis
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max time kernel
4s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
13-09-2024 21:06
Behavioral task
behavioral1
Sample
8973d3c21497e4a9fae1bbf6159f9180N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
8973d3c21497e4a9fae1bbf6159f9180N.exe
Resource
win10v2004-20240802-en
General
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Target
8973d3c21497e4a9fae1bbf6159f9180N.exe
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Size
2.0MB
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MD5
8973d3c21497e4a9fae1bbf6159f9180
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SHA1
94e06796ab80d7390596cfbedde1c5e6d014ec46
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SHA256
e846bdd9906220e2b67264471be1a34bd1acbf47336d343808de6294a3f06253
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SHA512
35ca28413578c3ad1bbfb912bb666eff715b4f7d83c0661d5c922b8c6b012b9c67dc36b9c1a486a11e54bda52facac32085cbe3428137b89e30866bb35938eb3
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYz:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YB
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 4 IoCs
resource yara_rule behavioral1/files/0x0008000000015d2e-26.dat family_quasar behavioral1/memory/2692-45-0x00000000003E0000-0x000000000043E000-memory.dmp family_quasar behavioral1/files/0x0007000000015d85-56.dat family_quasar behavioral1/memory/1604-86-0x0000000000950000-0x00000000009AE000-memory.dmp family_quasar -
Executes dropped EXE 7 IoCs
pid Process 2676 vnc.exe 2692 windef.exe 712 SystemPropertiesPerformance.exe 1028 vnc.exe 1684 windef.exe 1604 winsock.exe 2204 SystemPropertiesPerformance.exe -
Loads dropped DLL 17 IoCs
pid Process 2716 8973d3c21497e4a9fae1bbf6159f9180N.exe 2716 8973d3c21497e4a9fae1bbf6159f9180N.exe 2716 8973d3c21497e4a9fae1bbf6159f9180N.exe 2716 8973d3c21497e4a9fae1bbf6159f9180N.exe 2716 8973d3c21497e4a9fae1bbf6159f9180N.exe 2716 8973d3c21497e4a9fae1bbf6159f9180N.exe 2716 8973d3c21497e4a9fae1bbf6159f9180N.exe 2716 8973d3c21497e4a9fae1bbf6159f9180N.exe 712 SystemPropertiesPerformance.exe 712 SystemPropertiesPerformance.exe 712 SystemPropertiesPerformance.exe 712 SystemPropertiesPerformance.exe 712 SystemPropertiesPerformance.exe 712 SystemPropertiesPerformance.exe 712 SystemPropertiesPerformance.exe 712 SystemPropertiesPerformance.exe 2692 windef.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\b: 8973d3c21497e4a9fae1bbf6159f9180N.exe File opened (read-only) \??\e: 8973d3c21497e4a9fae1bbf6159f9180N.exe File opened (read-only) \??\n: 8973d3c21497e4a9fae1bbf6159f9180N.exe File opened (read-only) \??\s: 8973d3c21497e4a9fae1bbf6159f9180N.exe File opened (read-only) \??\w: 8973d3c21497e4a9fae1bbf6159f9180N.exe File opened (read-only) \??\y: 8973d3c21497e4a9fae1bbf6159f9180N.exe File opened (read-only) \??\h: 8973d3c21497e4a9fae1bbf6159f9180N.exe File opened (read-only) \??\j: 8973d3c21497e4a9fae1bbf6159f9180N.exe File opened (read-only) \??\l: 8973d3c21497e4a9fae1bbf6159f9180N.exe File opened (read-only) \??\z: 8973d3c21497e4a9fae1bbf6159f9180N.exe File opened (read-only) \??\u: 8973d3c21497e4a9fae1bbf6159f9180N.exe File opened (read-only) \??\a: 8973d3c21497e4a9fae1bbf6159f9180N.exe File opened (read-only) \??\g: 8973d3c21497e4a9fae1bbf6159f9180N.exe File opened (read-only) \??\i: 8973d3c21497e4a9fae1bbf6159f9180N.exe File opened (read-only) \??\m: 8973d3c21497e4a9fae1bbf6159f9180N.exe File opened (read-only) \??\o: 8973d3c21497e4a9fae1bbf6159f9180N.exe File opened (read-only) \??\r: 8973d3c21497e4a9fae1bbf6159f9180N.exe File opened (read-only) \??\t: 8973d3c21497e4a9fae1bbf6159f9180N.exe File opened (read-only) \??\x: 8973d3c21497e4a9fae1bbf6159f9180N.exe File opened (read-only) \??\k: 8973d3c21497e4a9fae1bbf6159f9180N.exe File opened (read-only) \??\p: 8973d3c21497e4a9fae1bbf6159f9180N.exe File opened (read-only) \??\q: 8973d3c21497e4a9fae1bbf6159f9180N.exe File opened (read-only) \??\v: 8973d3c21497e4a9fae1bbf6159f9180N.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.
flow ioc 9 ip-api.com -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description 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 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.
resource yara_rule behavioral1/files/0x0007000000015d85-56.dat autoit_exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 2716 set thread context of 2844 2716 8973d3c21497e4a9fae1bbf6159f9180N.exe 33 PID 2676 set thread context of 2668 2676 vnc.exe 32 PID 1028 set thread context of 680 1028 vnc.exe 40 PID 712 set thread context of 2204 712 SystemPropertiesPerformance.exe 45 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 12 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vnc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8973d3c21497e4a9fae1bbf6159f9180N.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 vnc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language windef.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8973d3c21497e4a9fae1bbf6159f9180N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language windef.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 SystemPropertiesPerformance.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 4 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1776 schtasks.exe 2096 schtasks.exe 2544 schtasks.exe 2812 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2716 8973d3c21497e4a9fae1bbf6159f9180N.exe 2716 8973d3c21497e4a9fae1bbf6159f9180N.exe 712 SystemPropertiesPerformance.exe 712 SystemPropertiesPerformance.exe 712 SystemPropertiesPerformance.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2676 vnc.exe 1028 vnc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2692 windef.exe Token: SeDebugPrivilege 1604 winsock.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1604 winsock.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2716 wrote to memory of 2676 2716 8973d3c21497e4a9fae1bbf6159f9180N.exe 30 PID 2716 wrote to memory of 2676 2716 8973d3c21497e4a9fae1bbf6159f9180N.exe 30 PID 2716 wrote to memory of 2676 2716 8973d3c21497e4a9fae1bbf6159f9180N.exe 30 PID 2716 wrote to memory of 2676 2716 8973d3c21497e4a9fae1bbf6159f9180N.exe 30 PID 2676 wrote to memory of 2668 2676 vnc.exe 32 PID 2676 wrote to memory of 2668 2676 vnc.exe 32 PID 2676 wrote to memory of 2668 2676 vnc.exe 32 PID 2676 wrote to memory of 2668 2676 vnc.exe 32 PID 2716 wrote to memory of 2692 2716 8973d3c21497e4a9fae1bbf6159f9180N.exe 31 PID 2716 wrote to memory of 2692 2716 8973d3c21497e4a9fae1bbf6159f9180N.exe 31 PID 2716 wrote to memory of 2692 2716 8973d3c21497e4a9fae1bbf6159f9180N.exe 31 PID 2716 wrote to memory of 2692 2716 8973d3c21497e4a9fae1bbf6159f9180N.exe 31 PID 2676 wrote to memory of 2668 2676 vnc.exe 32 PID 2716 wrote to memory of 2844 2716 8973d3c21497e4a9fae1bbf6159f9180N.exe 33 PID 2716 wrote to memory of 2844 2716 8973d3c21497e4a9fae1bbf6159f9180N.exe 33 PID 2716 wrote to memory of 2844 2716 8973d3c21497e4a9fae1bbf6159f9180N.exe 33 PID 2716 wrote to memory of 2844 2716 8973d3c21497e4a9fae1bbf6159f9180N.exe 33 PID 2716 wrote to memory of 2844 2716 8973d3c21497e4a9fae1bbf6159f9180N.exe 33 PID 2716 wrote to memory of 2844 2716 8973d3c21497e4a9fae1bbf6159f9180N.exe 33 PID 2716 wrote to memory of 2544 2716 8973d3c21497e4a9fae1bbf6159f9180N.exe 34 PID 2716 wrote to memory of 2544 2716 8973d3c21497e4a9fae1bbf6159f9180N.exe 34 PID 2716 wrote to memory of 2544 2716 8973d3c21497e4a9fae1bbf6159f9180N.exe 34 PID 2716 wrote to memory of 2544 2716 8973d3c21497e4a9fae1bbf6159f9180N.exe 34 PID 2676 wrote to memory of 2668 2676 vnc.exe 32 PID 2676 wrote to memory of 2668 2676 vnc.exe 32 PID 3036 wrote to memory of 712 3036 taskeng.exe 38 PID 3036 wrote to memory of 712 3036 taskeng.exe 38 PID 3036 wrote to memory of 712 3036 taskeng.exe 38 PID 3036 wrote to memory of 712 3036 taskeng.exe 38 PID 712 wrote to memory of 1028 712 SystemPropertiesPerformance.exe 39 PID 712 wrote to memory of 1028 712 SystemPropertiesPerformance.exe 39 PID 712 wrote to memory of 1028 712 SystemPropertiesPerformance.exe 39 PID 712 wrote to memory of 1028 712 SystemPropertiesPerformance.exe 39 PID 1028 wrote to memory of 680 1028 vnc.exe 40 PID 1028 wrote to memory of 680 1028 vnc.exe 40 PID 1028 wrote to memory of 680 1028 vnc.exe 40 PID 1028 wrote to memory of 680 1028 vnc.exe 40 PID 1028 wrote to memory of 680 1028 vnc.exe 40 PID 712 wrote to memory of 1684 712 SystemPropertiesPerformance.exe 41 PID 712 wrote to memory of 1684 712 SystemPropertiesPerformance.exe 41 PID 712 wrote to memory of 1684 712 SystemPropertiesPerformance.exe 41 PID 712 wrote to memory of 1684 712 SystemPropertiesPerformance.exe 41 PID 2692 wrote to memory of 2812 2692 windef.exe 42 PID 2692 wrote to memory of 2812 2692 windef.exe 42 PID 2692 wrote to memory of 2812 2692 windef.exe 42 PID 2692 wrote to memory of 2812 2692 windef.exe 42 PID 2692 wrote to memory of 1604 2692 windef.exe 44 PID 2692 wrote to memory of 1604 2692 windef.exe 44 PID 2692 wrote to memory of 1604 2692 windef.exe 44 PID 2692 wrote to memory of 1604 2692 windef.exe 44 PID 1028 wrote to memory of 680 1028 vnc.exe 40 PID 1028 wrote to memory of 680 1028 vnc.exe 40 PID 712 wrote to memory of 2204 712 SystemPropertiesPerformance.exe 45 PID 712 wrote to memory of 2204 712 SystemPropertiesPerformance.exe 45 PID 712 wrote to memory of 2204 712 SystemPropertiesPerformance.exe 45 PID 712 wrote to memory of 2204 712 SystemPropertiesPerformance.exe 45 PID 1604 wrote to memory of 1776 1604 winsock.exe 46 PID 1604 wrote to memory of 1776 1604 winsock.exe 46 PID 1604 wrote to memory of 1776 1604 winsock.exe 46 PID 1604 wrote to memory of 1776 1604 winsock.exe 46 PID 712 wrote to memory of 2204 712 SystemPropertiesPerformance.exe 45 PID 712 wrote to memory of 2204 712 SystemPropertiesPerformance.exe 45 PID 712 wrote to memory of 2096 712 SystemPropertiesPerformance.exe 48 PID 712 wrote to memory of 2096 712 SystemPropertiesPerformance.exe 48
Processes
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C:\Users\Admin\AppData\Local\Temp\8973d3c21497e4a9fae1bbf6159f9180N.exe"C:\Users\Admin\AppData\Local\Temp\8973d3c21497e4a9fae1bbf6159f9180N.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:2716 -
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:2676 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵
- Maps connected drives based on registry
PID:2668
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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:2692 -
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:2812
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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:1604 -
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:1776
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C:\Users\Admin\AppData\Local\Temp\8973d3c21497e4a9fae1bbf6159f9180N.exe"C:\Users\Admin\AppData\Local\Temp\8973d3c21497e4a9fae1bbf6159f9180N.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2844
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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:2544
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C:\Windows\system32\taskeng.exetaskeng.exe {BCB6D3F2-8883-499E-ADE7-1FA2F41FC949} S-1-5-21-1488793075-819845221-1497111674-1000:UPNECVIU\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:3036 -
C:\Users\Admin\btpanui\SystemPropertiesPerformance.exeC:\Users\Admin\btpanui\SystemPropertiesPerformance.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:712 -
C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1028 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k4⤵
- Maps connected drives based on registry
PID:680
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C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1684
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2204
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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:2096
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
211B
MD5d7a612c75f6d0d3b41a339cd24f931b3
SHA187e1baec206a4ff746c3c175ef69f37f213d77ab
SHA25642b9ba16b598eb6db43b340feda8b7d421b115060e5e3e59818a27f2b638ab9e
SHA512c7007e9547a62e9c8b4bbe0dcfb1669ba412b3e3bc8538c526e3cf949b67a1e62f7a832cb30db6b95e97bd7e898b8f6656d0a0ff3a2f1a0583b9917c45453311
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Filesize
2.0MB
MD568732fb60b1c8327a5a3f117740906c7
SHA180fd239cc01a3d680199f303f815136b5d13032d
SHA256f2864f26f091e5f1a5f4666f1e6ae93dabf155353f83e01f21b09188461f8ad9
SHA512477e23f99c0dc69975508adb70379db36b8a9ff063b6226fba0c9b99ab3b958cfdd4f8604260bd87a7d7bbfebb1a1c890d62b6efc14aa1c3b91e2290bf1e34e2
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Filesize
405KB
MD5b8ba87ee4c3fc085a2fed0d839aadce1
SHA1b3a2e3256406330e8b1779199bb2b9865122d766
SHA2564e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4
SHA5127a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2
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Filesize
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb