Analysis
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max time kernel
4s -
max time network
114s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
26-08-2024 02:17
Behavioral task
behavioral1
Sample
642dc820c3da7ff0a22ccdc30aa3ef40N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
642dc820c3da7ff0a22ccdc30aa3ef40N.exe
Resource
win10v2004-20240802-en
General
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Target
642dc820c3da7ff0a22ccdc30aa3ef40N.exe
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Size
2.0MB
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MD5
642dc820c3da7ff0a22ccdc30aa3ef40
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SHA1
5ffe008fb26a6c1b75f65f7ceca702b88a26a334
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SHA256
04556df7c94ff9d374a46bd917f1902acfa7d9d8face25a47e8a6fa07a97e823
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SHA512
d769596b0c9a21344301d0448f2b34abed774f304e7e39b862176fcda62c58218a880485930d76d3ab51fe81362b6f21b7f4199528e996c40daa610934623f89
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYz:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y5
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/2272-54-0x0000000000CC0000-0x0000000000D1E000-memory.dmp family_quasar behavioral1/memory/2232-62-0x0000000000890000-0x00000000008EE000-memory.dmp family_quasar -
Executes dropped EXE 3 IoCs
Processes:
vnc.exewindef.exewinsock.exepid process 2520 vnc.exe 2272 windef.exe 2232 winsock.exe -
Loads dropped DLL 9 IoCs
Processes:
642dc820c3da7ff0a22ccdc30aa3ef40N.exewindef.exepid process 1688 642dc820c3da7ff0a22ccdc30aa3ef40N.exe 1688 642dc820c3da7ff0a22ccdc30aa3ef40N.exe 1688 642dc820c3da7ff0a22ccdc30aa3ef40N.exe 1688 642dc820c3da7ff0a22ccdc30aa3ef40N.exe 1688 642dc820c3da7ff0a22ccdc30aa3ef40N.exe 1688 642dc820c3da7ff0a22ccdc30aa3ef40N.exe 1688 642dc820c3da7ff0a22ccdc30aa3ef40N.exe 1688 642dc820c3da7ff0a22ccdc30aa3ef40N.exe 2272 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:
642dc820c3da7ff0a22ccdc30aa3ef40N.exedescription ioc process File opened (read-only) \??\k: 642dc820c3da7ff0a22ccdc30aa3ef40N.exe File opened (read-only) \??\p: 642dc820c3da7ff0a22ccdc30aa3ef40N.exe File opened (read-only) \??\s: 642dc820c3da7ff0a22ccdc30aa3ef40N.exe File opened (read-only) \??\v: 642dc820c3da7ff0a22ccdc30aa3ef40N.exe File opened (read-only) \??\x: 642dc820c3da7ff0a22ccdc30aa3ef40N.exe File opened (read-only) \??\b: 642dc820c3da7ff0a22ccdc30aa3ef40N.exe File opened (read-only) \??\e: 642dc820c3da7ff0a22ccdc30aa3ef40N.exe File opened (read-only) \??\g: 642dc820c3da7ff0a22ccdc30aa3ef40N.exe File opened (read-only) \??\w: 642dc820c3da7ff0a22ccdc30aa3ef40N.exe File opened (read-only) \??\z: 642dc820c3da7ff0a22ccdc30aa3ef40N.exe File opened (read-only) \??\h: 642dc820c3da7ff0a22ccdc30aa3ef40N.exe File opened (read-only) \??\m: 642dc820c3da7ff0a22ccdc30aa3ef40N.exe File opened (read-only) \??\t: 642dc820c3da7ff0a22ccdc30aa3ef40N.exe File opened (read-only) \??\y: 642dc820c3da7ff0a22ccdc30aa3ef40N.exe File opened (read-only) \??\n: 642dc820c3da7ff0a22ccdc30aa3ef40N.exe File opened (read-only) \??\o: 642dc820c3da7ff0a22ccdc30aa3ef40N.exe File opened (read-only) \??\q: 642dc820c3da7ff0a22ccdc30aa3ef40N.exe File opened (read-only) \??\r: 642dc820c3da7ff0a22ccdc30aa3ef40N.exe File opened (read-only) \??\a: 642dc820c3da7ff0a22ccdc30aa3ef40N.exe File opened (read-only) \??\i: 642dc820c3da7ff0a22ccdc30aa3ef40N.exe File opened (read-only) \??\j: 642dc820c3da7ff0a22ccdc30aa3ef40N.exe File opened (read-only) \??\l: 642dc820c3da7ff0a22ccdc30aa3ef40N.exe File opened (read-only) \??\u: 642dc820c3da7ff0a22ccdc30aa3ef40N.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 -
Suspicious use of SetThreadContext 2 IoCs
Processes:
642dc820c3da7ff0a22ccdc30aa3ef40N.exevnc.exedescription pid process target process PID 1688 set thread context of 2444 1688 642dc820c3da7ff0a22ccdc30aa3ef40N.exe 642dc820c3da7ff0a22ccdc30aa3ef40N.exe PID 2520 set thread context of 2292 2520 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 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
winsock.exe642dc820c3da7ff0a22ccdc30aa3ef40N.exevnc.exe642dc820c3da7ff0a22ccdc30aa3ef40N.exewindef.exeschtasks.exeschtasks.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winsock.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 642dc820c3da7ff0a22ccdc30aa3ef40N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vnc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 642dc820c3da7ff0a22ccdc30aa3ef40N.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 -
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 2700 schtasks.exe 2368 schtasks.exe 612 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
642dc820c3da7ff0a22ccdc30aa3ef40N.exepid process 1688 642dc820c3da7ff0a22ccdc30aa3ef40N.exe 1688 642dc820c3da7ff0a22ccdc30aa3ef40N.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
vnc.exepid process 2520 vnc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
windef.exewinsock.exedescription pid process Token: SeDebugPrivilege 2272 windef.exe Token: SeDebugPrivilege 2232 winsock.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
642dc820c3da7ff0a22ccdc30aa3ef40N.exevnc.exewindef.exedescription pid process target process PID 1688 wrote to memory of 2520 1688 642dc820c3da7ff0a22ccdc30aa3ef40N.exe vnc.exe PID 1688 wrote to memory of 2520 1688 642dc820c3da7ff0a22ccdc30aa3ef40N.exe vnc.exe PID 1688 wrote to memory of 2520 1688 642dc820c3da7ff0a22ccdc30aa3ef40N.exe vnc.exe PID 1688 wrote to memory of 2520 1688 642dc820c3da7ff0a22ccdc30aa3ef40N.exe vnc.exe PID 2520 wrote to memory of 2292 2520 vnc.exe svchost.exe PID 2520 wrote to memory of 2292 2520 vnc.exe svchost.exe PID 2520 wrote to memory of 2292 2520 vnc.exe svchost.exe PID 2520 wrote to memory of 2292 2520 vnc.exe svchost.exe PID 1688 wrote to memory of 2272 1688 642dc820c3da7ff0a22ccdc30aa3ef40N.exe windef.exe PID 1688 wrote to memory of 2272 1688 642dc820c3da7ff0a22ccdc30aa3ef40N.exe windef.exe PID 1688 wrote to memory of 2272 1688 642dc820c3da7ff0a22ccdc30aa3ef40N.exe windef.exe PID 1688 wrote to memory of 2272 1688 642dc820c3da7ff0a22ccdc30aa3ef40N.exe windef.exe PID 2520 wrote to memory of 2292 2520 vnc.exe svchost.exe PID 1688 wrote to memory of 2444 1688 642dc820c3da7ff0a22ccdc30aa3ef40N.exe 642dc820c3da7ff0a22ccdc30aa3ef40N.exe PID 1688 wrote to memory of 2444 1688 642dc820c3da7ff0a22ccdc30aa3ef40N.exe 642dc820c3da7ff0a22ccdc30aa3ef40N.exe PID 1688 wrote to memory of 2444 1688 642dc820c3da7ff0a22ccdc30aa3ef40N.exe 642dc820c3da7ff0a22ccdc30aa3ef40N.exe PID 1688 wrote to memory of 2444 1688 642dc820c3da7ff0a22ccdc30aa3ef40N.exe 642dc820c3da7ff0a22ccdc30aa3ef40N.exe PID 1688 wrote to memory of 2444 1688 642dc820c3da7ff0a22ccdc30aa3ef40N.exe 642dc820c3da7ff0a22ccdc30aa3ef40N.exe PID 1688 wrote to memory of 2444 1688 642dc820c3da7ff0a22ccdc30aa3ef40N.exe 642dc820c3da7ff0a22ccdc30aa3ef40N.exe PID 1688 wrote to memory of 2700 1688 642dc820c3da7ff0a22ccdc30aa3ef40N.exe schtasks.exe PID 1688 wrote to memory of 2700 1688 642dc820c3da7ff0a22ccdc30aa3ef40N.exe schtasks.exe PID 1688 wrote to memory of 2700 1688 642dc820c3da7ff0a22ccdc30aa3ef40N.exe schtasks.exe PID 1688 wrote to memory of 2700 1688 642dc820c3da7ff0a22ccdc30aa3ef40N.exe schtasks.exe PID 2520 wrote to memory of 2292 2520 vnc.exe svchost.exe PID 2520 wrote to memory of 2292 2520 vnc.exe svchost.exe PID 2272 wrote to memory of 2368 2272 windef.exe schtasks.exe PID 2272 wrote to memory of 2368 2272 windef.exe schtasks.exe PID 2272 wrote to memory of 2368 2272 windef.exe schtasks.exe PID 2272 wrote to memory of 2368 2272 windef.exe schtasks.exe PID 2272 wrote to memory of 2232 2272 windef.exe winsock.exe PID 2272 wrote to memory of 2232 2272 windef.exe winsock.exe PID 2272 wrote to memory of 2232 2272 windef.exe winsock.exe PID 2272 wrote to memory of 2232 2272 windef.exe winsock.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\642dc820c3da7ff0a22ccdc30aa3ef40N.exe"C:\Users\Admin\AppData\Local\Temp\642dc820c3da7ff0a22ccdc30aa3ef40N.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:1688 -
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:2520 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵
- Maps connected drives based on registry
PID:2292 -
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:2272 -
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:2368 -
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:2232 -
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:612 -
C:\Users\Admin\AppData\Local\Temp\642dc820c3da7ff0a22ccdc30aa3ef40N.exe"C:\Users\Admin\AppData\Local\Temp\642dc820c3da7ff0a22ccdc30aa3ef40N.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2444 -
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:2700
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