Analysis
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max time kernel
3s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
03-12-2024 04:09
Behavioral task
behavioral1
Sample
833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe
Resource
win10v2004-20241007-en
General
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Target
833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe
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Size
2.0MB
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MD5
a8c5adb07fbb2043f9083675afdc02c5
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SHA1
257b0f0402e3bb12d48197736ff72ead3758b8da
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SHA256
833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb
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SHA512
a5e729ebf98921f86fc24d38b0288c890492a24da2b7a25a7994380734bb2d0d85868f32167906a037de1de7f9ad5a546e22cba75b4b159ea422cd95264bc3d6
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY/:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yl
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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Azorult family
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Quasar family
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Quasar payload 5 IoCs
Processes:
resource yara_rule behavioral1/files/0x0008000000016cf0-28.dat family_quasar behavioral1/memory/1952-53-0x0000000000DF0000-0x0000000000E4E000-memory.dmp family_quasar behavioral1/memory/1976-62-0x0000000000950000-0x00000000009AE000-memory.dmp family_quasar behavioral1/files/0x0007000000016d5a-63.dat family_quasar behavioral1/memory/1940-97-0x0000000000FB0000-0x000000000100E000-memory.dmp family_quasar -
Executes dropped EXE 3 IoCs
Processes:
vnc.exewindef.exewinsock.exepid Process 2316 vnc.exe 1952 windef.exe 1976 winsock.exe -
Loads dropped DLL 9 IoCs
Processes:
833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exewindef.exepid Process 2480 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe 2480 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe 2480 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe 2480 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe 2480 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe 2480 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe 2480 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe 2480 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe 1952 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:
833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exedescription ioc Process File opened (read-only) \??\w: 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe File opened (read-only) \??\x: 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe File opened (read-only) \??\y: 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe File opened (read-only) \??\e: 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe File opened (read-only) \??\g: 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe File opened (read-only) \??\n: 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe File opened (read-only) \??\o: 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe File opened (read-only) \??\r: 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe File opened (read-only) \??\z: 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe File opened (read-only) \??\a: 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe File opened (read-only) \??\h: 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe File opened (read-only) \??\s: 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe File opened (read-only) \??\u: 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe File opened (read-only) \??\v: 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe File opened (read-only) \??\q: 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe File opened (read-only) \??\i: 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe File opened (read-only) \??\j: 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe File opened (read-only) \??\k: 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe File opened (read-only) \??\l: 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe File opened (read-only) \??\m: 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe File opened (read-only) \??\b: 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe File opened (read-only) \??\p: 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe File opened (read-only) \??\t: 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.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 value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum svchost.exe -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
Processes:
resource yara_rule behavioral1/files/0x0007000000016d5a-63.dat autoit_exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exevnc.exedescription pid Process procid_target PID 2480 set thread context of 2532 2480 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe 33 PID 2316 set thread context of 2120 2316 vnc.exe 32 -
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 procid_target 2184 1692 WerFault.exe 42 -
System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exevnc.exe833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exewindef.exeschtasks.exeschtasks.exewinsock.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vnc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.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 schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winsock.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 2800 schtasks.exe 2680 schtasks.exe 1908 schtasks.exe 1892 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exepid Process 2480 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe 2480 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
vnc.exepid Process 2316 vnc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
windef.exedescription pid Process Token: SeDebugPrivilege 1952 windef.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exevnc.exewindef.exedescription pid Process procid_target PID 2480 wrote to memory of 2316 2480 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe 30 PID 2480 wrote to memory of 2316 2480 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe 30 PID 2480 wrote to memory of 2316 2480 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe 30 PID 2480 wrote to memory of 2316 2480 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe 30 PID 2480 wrote to memory of 1952 2480 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe 31 PID 2480 wrote to memory of 1952 2480 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe 31 PID 2480 wrote to memory of 1952 2480 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe 31 PID 2480 wrote to memory of 1952 2480 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe 31 PID 2316 wrote to memory of 2120 2316 vnc.exe 32 PID 2316 wrote to memory of 2120 2316 vnc.exe 32 PID 2316 wrote to memory of 2120 2316 vnc.exe 32 PID 2316 wrote to memory of 2120 2316 vnc.exe 32 PID 2480 wrote to memory of 2532 2480 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe 33 PID 2480 wrote to memory of 2532 2480 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe 33 PID 2480 wrote to memory of 2532 2480 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe 33 PID 2480 wrote to memory of 2532 2480 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe 33 PID 2480 wrote to memory of 2532 2480 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe 33 PID 2480 wrote to memory of 2532 2480 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe 33 PID 2316 wrote to memory of 2120 2316 vnc.exe 32 PID 2480 wrote to memory of 2800 2480 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe 34 PID 2480 wrote to memory of 2800 2480 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe 34 PID 2480 wrote to memory of 2800 2480 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe 34 PID 2480 wrote to memory of 2800 2480 833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe 34 PID 2316 wrote to memory of 2120 2316 vnc.exe 32 PID 2316 wrote to memory of 2120 2316 vnc.exe 32 PID 1952 wrote to memory of 2680 1952 windef.exe 37 PID 1952 wrote to memory of 2680 1952 windef.exe 37 PID 1952 wrote to memory of 2680 1952 windef.exe 37 PID 1952 wrote to memory of 2680 1952 windef.exe 37 PID 1952 wrote to memory of 1976 1952 windef.exe 39 PID 1952 wrote to memory of 1976 1952 windef.exe 39 PID 1952 wrote to memory of 1976 1952 windef.exe 39 PID 1952 wrote to memory of 1976 1952 windef.exe 39
Processes
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C:\Users\Admin\AppData\Local\Temp\833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe"C:\Users\Admin\AppData\Local\Temp\833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.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:2480 -
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:2316 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵
- Maps connected drives based on registry
PID:2120
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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:1952 -
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:2680
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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
PID:1976 -
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:1908
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C:\Users\Admin\AppData\Local\Temp\833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe"C:\Users\Admin\AppData\Local\Temp\833b1ec3199c6a6c2bc220dcf02d39bb553eed6fc34a843e6266566c033811eb.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2532
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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:2800
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C:\Windows\system32\taskeng.exetaskeng.exe {A40141D1-00ED-4C26-BB3F-4F8A1B7CB72D} S-1-5-21-3551809350-4263495960-1443967649-1000:NNYJZAHP\Admin:Interactive:[1]1⤵PID:836
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exeC:\Users\Admin\btpanui\SystemPropertiesPerformance.exe2⤵PID:2472
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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:1296
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1692 -s 1604⤵
- Program crash
PID:2184
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C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"3⤵PID:1940
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"3⤵PID:2176
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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:1892
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb
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Filesize
2.0MB
MD591aef23d7561bcc8cd6c0a0ddcbe59c8
SHA1bac30fa81744f82829814fc8561c9b05001c0f35
SHA256538d62a51facd53f4c33499c44aee760868ef025bd76bfc56a4c796dbee10318
SHA512623dc52fe870e38db2c31a6289f3f4a1bb614db798618f1186351c67d3e241b7e3a7f28914f0f4bcae3e79017f5a909df722e7fd245b08cec6fa9d28ef81dbf7
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Filesize
405KB
MD5b8ba87ee4c3fc085a2fed0d839aadce1
SHA1b3a2e3256406330e8b1779199bb2b9865122d766
SHA2564e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4
SHA5127a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2