Analysis
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max time kernel
4s -
max time network
141s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
16-10-2024 08:45
Behavioral task
behavioral1
Sample
a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe
Resource
win10v2004-20241007-en
General
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Target
a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe
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Size
2.0MB
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MD5
386be81df66358401e1f15650f20d290
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SHA1
3705ee0aab1ee903e17a2c30e67bd7bcc31ccabe
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SHA256
a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9e
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SHA512
44c3895365db1d8666008c8dca75007e300515a02b4dc8d5115c6e6b145515edd72101155b6f63a767c43404a46c0d714f622faf3ea9b53a3391181085456dfc
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYP:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yt
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 5 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\windef.exe family_quasar behavioral1/memory/2416-45-0x0000000000180000-0x00000000001DE000-memory.dmp family_quasar behavioral1/memory/352-61-0x00000000013A0000-0x00000000013FE000-memory.dmp family_quasar C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe family_quasar behavioral1/memory/2944-109-0x00000000012D0000-0x000000000132E000-memory.dmp family_quasar -
Executes dropped EXE 3 IoCs
Processes:
vnc.exewindef.exewinsock.exepid process 2548 vnc.exe 2416 windef.exe 352 winsock.exe -
Loads dropped DLL 9 IoCs
Processes:
a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exewindef.exepid process 2444 a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe 2444 a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe 2444 a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe 2444 a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe 2444 a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe 2444 a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe 2444 a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe 2444 a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe 2416 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:
a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exedescription ioc process File opened (read-only) \??\i: a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe File opened (read-only) \??\r: a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe File opened (read-only) \??\y: a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe File opened (read-only) \??\b: a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe File opened (read-only) \??\g: a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe File opened (read-only) \??\h: a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe File opened (read-only) \??\j: a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe File opened (read-only) \??\k: a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe File opened (read-only) \??\m: a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe File opened (read-only) \??\p: a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe File opened (read-only) \??\w: a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe File opened (read-only) \??\a: a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe File opened (read-only) \??\e: a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe File opened (read-only) \??\l: a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe File opened (read-only) \??\o: a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe File opened (read-only) \??\s: a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe File opened (read-only) \??\t: a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe File opened (read-only) \??\u: a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe File opened (read-only) \??\v: a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe File opened (read-only) \??\x: a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe File opened (read-only) \??\z: a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe File opened (read-only) \??\n: a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe File opened (read-only) \??\q: a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.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 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.
Processes:
resource yara_rule C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe autoit_exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exevnc.exedescription pid process target process PID 2444 set thread context of 2324 2444 a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe PID 2548 set thread context of 2136 2548 vnc.exe svchost.exe -
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 target process 2336 2296 WerFault.exe vnc.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:
schtasks.exewinsock.exeschtasks.exea71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exevnc.exea71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exewindef.exeschtasks.exedescription ioc process 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 a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vnc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language windef.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.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 2864 schtasks.exe 2852 schtasks.exe 1356 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exepid process 2444 a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe 2444 a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
vnc.exepid process 2548 vnc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
windef.exewinsock.exedescription pid process Token: SeDebugPrivilege 2416 windef.exe Token: SeDebugPrivilege 352 winsock.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
winsock.exepid process 352 winsock.exe -
Suspicious use of WriteProcessMemory 37 IoCs
Processes:
a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exevnc.exewindef.exewinsock.exedescription pid process target process PID 2444 wrote to memory of 2548 2444 a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe vnc.exe PID 2444 wrote to memory of 2548 2444 a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe vnc.exe PID 2444 wrote to memory of 2548 2444 a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe vnc.exe PID 2444 wrote to memory of 2548 2444 a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe vnc.exe PID 2548 wrote to memory of 2136 2548 vnc.exe svchost.exe PID 2548 wrote to memory of 2136 2548 vnc.exe svchost.exe PID 2548 wrote to memory of 2136 2548 vnc.exe svchost.exe PID 2548 wrote to memory of 2136 2548 vnc.exe svchost.exe PID 2548 wrote to memory of 2136 2548 vnc.exe svchost.exe PID 2444 wrote to memory of 2416 2444 a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe windef.exe PID 2444 wrote to memory of 2416 2444 a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe windef.exe PID 2444 wrote to memory of 2416 2444 a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe windef.exe PID 2444 wrote to memory of 2416 2444 a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe windef.exe PID 2444 wrote to memory of 2324 2444 a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe PID 2444 wrote to memory of 2324 2444 a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe PID 2444 wrote to memory of 2324 2444 a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe PID 2444 wrote to memory of 2324 2444 a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe PID 2444 wrote to memory of 2324 2444 a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe PID 2444 wrote to memory of 2324 2444 a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe PID 2444 wrote to memory of 2864 2444 a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe schtasks.exe PID 2444 wrote to memory of 2864 2444 a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe schtasks.exe PID 2444 wrote to memory of 2864 2444 a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe schtasks.exe PID 2444 wrote to memory of 2864 2444 a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe schtasks.exe PID 2548 wrote to memory of 2136 2548 vnc.exe svchost.exe PID 2548 wrote to memory of 2136 2548 vnc.exe svchost.exe PID 2416 wrote to memory of 2852 2416 windef.exe schtasks.exe PID 2416 wrote to memory of 2852 2416 windef.exe schtasks.exe PID 2416 wrote to memory of 2852 2416 windef.exe schtasks.exe PID 2416 wrote to memory of 2852 2416 windef.exe schtasks.exe PID 2416 wrote to memory of 352 2416 windef.exe winsock.exe PID 2416 wrote to memory of 352 2416 windef.exe winsock.exe PID 2416 wrote to memory of 352 2416 windef.exe winsock.exe PID 2416 wrote to memory of 352 2416 windef.exe winsock.exe PID 352 wrote to memory of 1356 352 winsock.exe schtasks.exe PID 352 wrote to memory of 1356 352 winsock.exe schtasks.exe PID 352 wrote to memory of 1356 352 winsock.exe schtasks.exe PID 352 wrote to memory of 1356 352 winsock.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe"C:\Users\Admin\AppData\Local\Temp\a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.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:2444 -
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:2548 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵
- Maps connected drives based on registry
PID:2136
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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:2416 -
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:2852
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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:352 -
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:1356
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C:\Users\Admin\AppData\Local\Temp\a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe"C:\Users\Admin\AppData\Local\Temp\a71d11b5a3342630144b38c1e6144f3fa1db2fab560a1a15e63984e93f476d9eN.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2324
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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:2864
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C:\Windows\system32\taskeng.exetaskeng.exe {98D6C4DC-4DA1-4EE0-B19B-98526E8A3EE5} S-1-5-21-3533259084-2542256011-65585152-1000:XPAJOTIY\Admin:Interactive:[1]1⤵PID:1936
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exeC:\Users\Admin\btpanui\SystemPropertiesPerformance.exe2⤵PID:2796
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C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"3⤵PID:2296
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k4⤵PID:3036
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2296 -s 1604⤵
- Program crash
PID:2336
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C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"3⤵PID:2944
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"3⤵PID:3000
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.0MB
MD5a3d136a893cd9fe12cd09350da37f463
SHA187a6e68bb761ef327bdbdb46a7d713fc4691e6ad
SHA256013123c9e040fa5d321243922092dfc505d5748f04ded1d127bacd611ea831cf
SHA512d5626b4f947900b0449ad1c4c4b24feb40bf381ddf28dd9c181cd1135e4b1076b85c82f4ef87d416a6c4cb451391061f17b9f8580c7e4c84aac97b9f6f327785
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Filesize
405KB
MD5b8ba87ee4c3fc085a2fed0d839aadce1
SHA1b3a2e3256406330e8b1779199bb2b9865122d766
SHA2564e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4
SHA5127a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2
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Filesize
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb