Analysis
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max time kernel
2s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
03-10-2024 03:32
Behavioral task
behavioral1
Sample
2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe
Resource
win10v2004-20240802-en
General
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Target
2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe
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Size
2.0MB
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MD5
38ca771118828d9de8d70fbc26560e90
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SHA1
fcd46f141de25aa953072f7afe04d54aa4cbdecc
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SHA256
2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505
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SHA512
2344679577dc741fd228278050bbe84e12666158569e25a850d6606b63cdab8f358372f58349d7f256d19bcd77efc45c81e4bd77f5c6f4e1dce0a75aca562f22
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYs:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y6
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 3 IoCs
Processes:
resource yara_rule behavioral1/files/0x0008000000016d9f-26.dat family_quasar behavioral1/memory/2504-46-0x00000000011B0000-0x000000000120E000-memory.dmp family_quasar behavioral1/memory/1648-58-0x0000000000220000-0x000000000027E000-memory.dmp family_quasar -
Executes dropped EXE 3 IoCs
Processes:
vnc.exewindef.exewinsock.exepid Process 2064 vnc.exe 2504 windef.exe 1648 winsock.exe -
Loads dropped DLL 13 IoCs
Processes:
2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exeWerFault.exewindef.exepid Process 264 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe 264 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe 264 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe 264 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe 264 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe 264 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe 264 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe 264 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe 2772 WerFault.exe 2772 WerFault.exe 2772 WerFault.exe 2772 WerFault.exe 2504 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:
2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exedescription ioc Process File opened (read-only) \??\e: 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe File opened (read-only) \??\w: 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe File opened (read-only) \??\a: 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe File opened (read-only) \??\i: 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe File opened (read-only) \??\j: 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe File opened (read-only) \??\k: 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe File opened (read-only) \??\m: 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe File opened (read-only) \??\p: 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe File opened (read-only) \??\t: 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe File opened (read-only) \??\u: 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe File opened (read-only) \??\b: 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe File opened (read-only) \??\g: 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe File opened (read-only) \??\h: 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe File opened (read-only) \??\l: 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe File opened (read-only) \??\v: 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe File opened (read-only) \??\z: 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe File opened (read-only) \??\n: 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe File opened (read-only) \??\o: 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe File opened (read-only) \??\q: 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe File opened (read-only) \??\r: 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe File opened (read-only) \??\s: 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe File opened (read-only) \??\x: 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe File opened (read-only) \??\y: 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.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 4 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exedescription pid Process procid_target PID 264 set thread context of 2680 264 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe 34 -
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 2772 2064 WerFault.exe 31 -
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:
windef.exe2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exeschtasks.exeschtasks.exewinsock.exe2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exevnc.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language windef.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.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 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vnc.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exeschtasks.exepid Process 2732 schtasks.exe 1888 schtasks.exe 1936 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exepid Process 264 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe 264 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
windef.exewinsock.exedescription pid Process Token: SeDebugPrivilege 2504 windef.exe Token: SeDebugPrivilege 1648 winsock.exe -
Suspicious use of WriteProcessMemory 35 IoCs
Processes:
2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exevnc.exewindef.exedescription pid Process procid_target PID 264 wrote to memory of 2064 264 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe 31 PID 264 wrote to memory of 2064 264 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe 31 PID 264 wrote to memory of 2064 264 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe 31 PID 264 wrote to memory of 2064 264 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe 31 PID 2064 wrote to memory of 1864 2064 vnc.exe 32 PID 2064 wrote to memory of 1864 2064 vnc.exe 32 PID 2064 wrote to memory of 1864 2064 vnc.exe 32 PID 2064 wrote to memory of 1864 2064 vnc.exe 32 PID 2064 wrote to memory of 1864 2064 vnc.exe 32 PID 264 wrote to memory of 2504 264 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe 33 PID 264 wrote to memory of 2504 264 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe 33 PID 264 wrote to memory of 2504 264 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe 33 PID 264 wrote to memory of 2504 264 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe 33 PID 264 wrote to memory of 2680 264 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe 34 PID 264 wrote to memory of 2680 264 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe 34 PID 264 wrote to memory of 2680 264 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe 34 PID 264 wrote to memory of 2680 264 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe 34 PID 264 wrote to memory of 2680 264 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe 34 PID 264 wrote to memory of 2680 264 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe 34 PID 264 wrote to memory of 2732 264 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe 35 PID 264 wrote to memory of 2732 264 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe 35 PID 264 wrote to memory of 2732 264 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe 35 PID 264 wrote to memory of 2732 264 2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe 35 PID 2064 wrote to memory of 2772 2064 vnc.exe 37 PID 2064 wrote to memory of 2772 2064 vnc.exe 37 PID 2064 wrote to memory of 2772 2064 vnc.exe 37 PID 2064 wrote to memory of 2772 2064 vnc.exe 37 PID 2504 wrote to memory of 1888 2504 windef.exe 39 PID 2504 wrote to memory of 1888 2504 windef.exe 39 PID 2504 wrote to memory of 1888 2504 windef.exe 39 PID 2504 wrote to memory of 1888 2504 windef.exe 39 PID 2504 wrote to memory of 1648 2504 windef.exe 41 PID 2504 wrote to memory of 1648 2504 windef.exe 41 PID 2504 wrote to memory of 1648 2504 windef.exe 41 PID 2504 wrote to memory of 1648 2504 windef.exe 41
Processes
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C:\Users\Admin\AppData\Local\Temp\2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe"C:\Users\Admin\AppData\Local\Temp\2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.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:264 -
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:2064 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:1864
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2064 -s 1603⤵
- Loads dropped DLL
- Program crash
PID:2772
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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:2504 -
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:1888
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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
PID:1648 -
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:1936
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C:\Users\Admin\AppData\Local\Temp\2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe"C:\Users\Admin\AppData\Local\Temp\2853af39b7939e7f03c3154c09cc1fdc3b57f46f16ea34a893b24f7acf9b9505N.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2680
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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:2732
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
405KB
MD5b8ba87ee4c3fc085a2fed0d839aadce1
SHA1b3a2e3256406330e8b1779199bb2b9865122d766
SHA2564e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4
SHA5127a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2
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Filesize
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb