Analysis
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max time kernel
4s -
max time network
141s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
19-08-2024 00:05
Behavioral task
behavioral1
Sample
a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe
Resource
win10v2004-20240802-en
General
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Target
a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe
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Size
2.0MB
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MD5
9eda91ef318131bd58b539cb7aaee6d2
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SHA1
73a89bba0ea8673187e08fa3622ecfa9f322db6e
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SHA256
a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1
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SHA512
04b05fad44adcad3840d30776fa5f2a1c3344c5a939fc660487cf6f81174ec1b73e1bf297ffe1649f31a3fc35e3c1833addd8b7ff7b257246bf4d8713ddad6d0
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYO:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y4
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/1168-46-0x00000000011E0000-0x000000000123E000-memory.dmp family_quasar behavioral1/memory/688-62-0x0000000000BF0000-0x0000000000C4E000-memory.dmp family_quasar -
Executes dropped EXE 3 IoCs
Processes:
vnc.exewindef.exewinsock.exepid process 2400 vnc.exe 1168 windef.exe 688 winsock.exe -
Loads dropped DLL 9 IoCs
Processes:
a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exewindef.exepid process 2088 a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe 2088 a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe 2088 a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe 2088 a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe 2088 a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe 2088 a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe 2088 a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe 2088 a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe 1168 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:
a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exedescription ioc process File opened (read-only) \??\b: a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe File opened (read-only) \??\k: a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe File opened (read-only) \??\n: a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe File opened (read-only) \??\o: a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe File opened (read-only) \??\t: a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe File opened (read-only) \??\w: a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe File opened (read-only) \??\e: a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe File opened (read-only) \??\h: a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe File opened (read-only) \??\m: a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe File opened (read-only) \??\p: a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe File opened (read-only) \??\z: a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe File opened (read-only) \??\u: a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe File opened (read-only) \??\x: a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe File opened (read-only) \??\a: a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe File opened (read-only) \??\i: a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe File opened (read-only) \??\j: a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe File opened (read-only) \??\q: a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe File opened (read-only) \??\r: a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe File opened (read-only) \??\s: a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe File opened (read-only) \??\g: a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe File opened (read-only) \??\l: a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe File opened (read-only) \??\v: a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe File opened (read-only) \??\y: a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.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:
a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exevnc.exedescription pid process target process PID 2088 set thread context of 2448 2088 a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe PID 2400 set thread context of 1872 2400 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:
winsock.exeschtasks.exea44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exevnc.exewindef.exea44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.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 schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe 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 a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.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 2748 schtasks.exe 1424 schtasks.exe 588 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exepid process 2088 a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe 2088 a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
vnc.exepid process 2400 vnc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
windef.exewinsock.exedescription pid process Token: SeDebugPrivilege 1168 windef.exe Token: SeDebugPrivilege 688 winsock.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
winsock.exepid process 688 winsock.exe -
Suspicious use of WriteProcessMemory 37 IoCs
Processes:
a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exevnc.exewindef.exewinsock.exedescription pid process target process PID 2088 wrote to memory of 2400 2088 a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe vnc.exe PID 2088 wrote to memory of 2400 2088 a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe vnc.exe PID 2088 wrote to memory of 2400 2088 a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe vnc.exe PID 2088 wrote to memory of 2400 2088 a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe vnc.exe PID 2400 wrote to memory of 1872 2400 vnc.exe svchost.exe PID 2400 wrote to memory of 1872 2400 vnc.exe svchost.exe PID 2400 wrote to memory of 1872 2400 vnc.exe svchost.exe PID 2400 wrote to memory of 1872 2400 vnc.exe svchost.exe PID 2400 wrote to memory of 1872 2400 vnc.exe svchost.exe PID 2088 wrote to memory of 1168 2088 a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe windef.exe PID 2088 wrote to memory of 1168 2088 a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe windef.exe PID 2088 wrote to memory of 1168 2088 a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe windef.exe PID 2088 wrote to memory of 1168 2088 a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe windef.exe PID 2088 wrote to memory of 2448 2088 a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe PID 2088 wrote to memory of 2448 2088 a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe PID 2088 wrote to memory of 2448 2088 a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe PID 2088 wrote to memory of 2448 2088 a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe PID 2088 wrote to memory of 2448 2088 a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe PID 2088 wrote to memory of 2448 2088 a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe PID 2088 wrote to memory of 2748 2088 a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe schtasks.exe PID 2088 wrote to memory of 2748 2088 a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe schtasks.exe PID 2088 wrote to memory of 2748 2088 a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe schtasks.exe PID 2088 wrote to memory of 2748 2088 a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe schtasks.exe PID 2400 wrote to memory of 1872 2400 vnc.exe svchost.exe PID 2400 wrote to memory of 1872 2400 vnc.exe svchost.exe PID 1168 wrote to memory of 1424 1168 windef.exe schtasks.exe PID 1168 wrote to memory of 1424 1168 windef.exe schtasks.exe PID 1168 wrote to memory of 1424 1168 windef.exe schtasks.exe PID 1168 wrote to memory of 1424 1168 windef.exe schtasks.exe PID 1168 wrote to memory of 688 1168 windef.exe winsock.exe PID 1168 wrote to memory of 688 1168 windef.exe winsock.exe PID 1168 wrote to memory of 688 1168 windef.exe winsock.exe PID 1168 wrote to memory of 688 1168 windef.exe winsock.exe PID 688 wrote to memory of 588 688 winsock.exe schtasks.exe PID 688 wrote to memory of 588 688 winsock.exe schtasks.exe PID 688 wrote to memory of 588 688 winsock.exe schtasks.exe PID 688 wrote to memory of 588 688 winsock.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe"C:\Users\Admin\AppData\Local\Temp\a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.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:2088 -
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:2400 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵
- Maps connected drives based on registry
PID:1872 -
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:1168 -
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:1424 -
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:688 -
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:588 -
C:\Users\Admin\AppData\Local\Temp\a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe"C:\Users\Admin\AppData\Local\Temp\a44f5d2479507bebab71fd90f16b08ee3875cf676c667ddf2e192af88ed486e1.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2448 -
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:2748
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