Analysis
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max time kernel
4s -
max time network
115s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
04-10-2024 09:52
Behavioral task
behavioral1
Sample
23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe
Resource
win10v2004-20240802-en
General
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Target
23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe
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Size
2.0MB
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MD5
896386f15c29137fd08fefd7f2a5b4b0
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SHA1
b2a78354ce8032aa3348033f76c26429f3f1e35a
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SHA256
23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591
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SHA512
94f7f2ee71bcc80e9659e709de04f765d2bb125e8740057d00cc253dc702db6aaca4ead2a22ab2bd9c854278926dba41c98667268fa069f1fc84cde8beed6b71
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYb:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y9
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 \Users\Admin\AppData\Local\Temp\windef.exe family_quasar behavioral1/memory/1916-46-0x00000000008C0000-0x000000000091E000-memory.dmp family_quasar behavioral1/memory/2436-62-0x0000000000010000-0x000000000006E000-memory.dmp family_quasar -
Executes dropped EXE 3 IoCs
Processes:
vnc.exewindef.exewinsock.exepid process 2908 vnc.exe 1916 windef.exe 2436 winsock.exe -
Loads dropped DLL 9 IoCs
Processes:
23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exewindef.exepid process 1636 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe 1636 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe 1636 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe 1636 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe 1636 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe 1636 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe 1636 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe 1636 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe 1916 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:
23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exedescription ioc process File opened (read-only) \??\g: 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe File opened (read-only) \??\l: 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe File opened (read-only) \??\r: 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe File opened (read-only) \??\t: 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe File opened (read-only) \??\v: 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe File opened (read-only) \??\w: 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe File opened (read-only) \??\a: 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe File opened (read-only) \??\u: 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe File opened (read-only) \??\y: 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe File opened (read-only) \??\s: 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe File opened (read-only) \??\e: 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe File opened (read-only) \??\h: 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe File opened (read-only) \??\i: 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe File opened (read-only) \??\j: 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe File opened (read-only) \??\n: 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe File opened (read-only) \??\o: 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe File opened (read-only) \??\q: 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe File opened (read-only) \??\b: 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe File opened (read-only) \??\z: 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe File opened (read-only) \??\x: 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe File opened (read-only) \??\m: 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe File opened (read-only) \??\p: 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe File opened (read-only) \??\k: 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.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 -
Suspicious use of SetThreadContext 2 IoCs
Processes:
23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exevnc.exedescription pid process target process PID 1636 set thread context of 2188 1636 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe PID 2908 set thread context of 1628 2908 vnc.exe svchost.exe -
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 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
vnc.exewindef.exe23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exeschtasks.exeschtasks.exewinsock.exeschtasks.exe23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exedescription ioc process 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 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.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 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.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 2932 schtasks.exe 2608 schtasks.exe 2884 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exepid process 1636 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe 1636 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
vnc.exepid process 2908 vnc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
windef.exewinsock.exedescription pid process Token: SeDebugPrivilege 1916 windef.exe Token: SeDebugPrivilege 2436 winsock.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
winsock.exepid process 2436 winsock.exe -
Suspicious use of WriteProcessMemory 37 IoCs
Processes:
23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exevnc.exewindef.exewinsock.exedescription pid process target process PID 1636 wrote to memory of 2908 1636 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe vnc.exe PID 1636 wrote to memory of 2908 1636 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe vnc.exe PID 1636 wrote to memory of 2908 1636 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe vnc.exe PID 1636 wrote to memory of 2908 1636 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe vnc.exe PID 1636 wrote to memory of 1916 1636 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe windef.exe PID 1636 wrote to memory of 1916 1636 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe windef.exe PID 1636 wrote to memory of 1916 1636 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe windef.exe PID 1636 wrote to memory of 1916 1636 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe windef.exe PID 2908 wrote to memory of 1628 2908 vnc.exe svchost.exe PID 2908 wrote to memory of 1628 2908 vnc.exe svchost.exe PID 2908 wrote to memory of 1628 2908 vnc.exe svchost.exe PID 2908 wrote to memory of 1628 2908 vnc.exe svchost.exe PID 2908 wrote to memory of 1628 2908 vnc.exe svchost.exe PID 1636 wrote to memory of 2188 1636 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe PID 1636 wrote to memory of 2188 1636 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe PID 1636 wrote to memory of 2188 1636 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe PID 1636 wrote to memory of 2188 1636 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe PID 1636 wrote to memory of 2188 1636 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe PID 1636 wrote to memory of 2188 1636 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe PID 1636 wrote to memory of 2932 1636 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe schtasks.exe PID 1636 wrote to memory of 2932 1636 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe schtasks.exe PID 1636 wrote to memory of 2932 1636 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe schtasks.exe PID 1636 wrote to memory of 2932 1636 23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe schtasks.exe PID 2908 wrote to memory of 1628 2908 vnc.exe svchost.exe PID 2908 wrote to memory of 1628 2908 vnc.exe svchost.exe PID 1916 wrote to memory of 2608 1916 windef.exe schtasks.exe PID 1916 wrote to memory of 2608 1916 windef.exe schtasks.exe PID 1916 wrote to memory of 2608 1916 windef.exe schtasks.exe PID 1916 wrote to memory of 2608 1916 windef.exe schtasks.exe PID 1916 wrote to memory of 2436 1916 windef.exe winsock.exe PID 1916 wrote to memory of 2436 1916 windef.exe winsock.exe PID 1916 wrote to memory of 2436 1916 windef.exe winsock.exe PID 1916 wrote to memory of 2436 1916 windef.exe winsock.exe PID 2436 wrote to memory of 2884 2436 winsock.exe schtasks.exe PID 2436 wrote to memory of 2884 2436 winsock.exe schtasks.exe PID 2436 wrote to memory of 2884 2436 winsock.exe schtasks.exe PID 2436 wrote to memory of 2884 2436 winsock.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe"C:\Users\Admin\AppData\Local\Temp\23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.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:1636 -
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:2908 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵
- Maps connected drives based on registry
PID:1628
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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:1916 -
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:2608
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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:2436 -
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:2884
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C:\Users\Admin\AppData\Local\Temp\23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe"C:\Users\Admin\AppData\Local\Temp\23e61b508ad70191c9c5f5502e78e7c653e21f39928862f65b9e63377a456591N.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2188
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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:2932
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
405KB
MD5b8ba87ee4c3fc085a2fed0d839aadce1
SHA1b3a2e3256406330e8b1779199bb2b9865122d766
SHA2564e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4
SHA5127a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2
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Filesize
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb