Analysis
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max time kernel
3s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
06-09-2024 17:04
Behavioral task
behavioral1
Sample
157138f8019c32265c483fb94ba686c0N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
157138f8019c32265c483fb94ba686c0N.exe
Resource
win10v2004-20240802-en
General
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Target
157138f8019c32265c483fb94ba686c0N.exe
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Size
2.0MB
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MD5
157138f8019c32265c483fb94ba686c0
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SHA1
5d09b71d94649d78d9e804712fcaf7540484bd40
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SHA256
2f5ab0183843aaba79285aa24f1502b077027d766ae4b8e1d6b2463ceaf31216
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SHA512
5d1866d322bd1a6d09344b17d34757ea034b5eb8caeaae7733f4662cc3bd8be0d53de551d10fcf0946f68ef0dee35b15ef781a81d041f8e05f7e3c2b8f2b616b
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYw:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YG
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/2568-46-0x0000000000DD0000-0x0000000000E2E000-memory.dmp family_quasar behavioral1/memory/1436-64-0x0000000000B40000-0x0000000000B9E000-memory.dmp family_quasar -
Executes dropped EXE 2 IoCs
Processes:
vnc.exewindef.exepid process 2984 vnc.exe 2568 windef.exe -
Loads dropped DLL 8 IoCs
Processes:
157138f8019c32265c483fb94ba686c0N.exepid process 2228 157138f8019c32265c483fb94ba686c0N.exe 2228 157138f8019c32265c483fb94ba686c0N.exe 2228 157138f8019c32265c483fb94ba686c0N.exe 2228 157138f8019c32265c483fb94ba686c0N.exe 2228 157138f8019c32265c483fb94ba686c0N.exe 2228 157138f8019c32265c483fb94ba686c0N.exe 2228 157138f8019c32265c483fb94ba686c0N.exe 2228 157138f8019c32265c483fb94ba686c0N.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
157138f8019c32265c483fb94ba686c0N.exedescription ioc process File opened (read-only) \??\h: 157138f8019c32265c483fb94ba686c0N.exe File opened (read-only) \??\i: 157138f8019c32265c483fb94ba686c0N.exe File opened (read-only) \??\k: 157138f8019c32265c483fb94ba686c0N.exe File opened (read-only) \??\m: 157138f8019c32265c483fb94ba686c0N.exe File opened (read-only) \??\o: 157138f8019c32265c483fb94ba686c0N.exe File opened (read-only) \??\y: 157138f8019c32265c483fb94ba686c0N.exe File opened (read-only) \??\l: 157138f8019c32265c483fb94ba686c0N.exe File opened (read-only) \??\n: 157138f8019c32265c483fb94ba686c0N.exe File opened (read-only) \??\p: 157138f8019c32265c483fb94ba686c0N.exe File opened (read-only) \??\t: 157138f8019c32265c483fb94ba686c0N.exe File opened (read-only) \??\w: 157138f8019c32265c483fb94ba686c0N.exe File opened (read-only) \??\b: 157138f8019c32265c483fb94ba686c0N.exe File opened (read-only) \??\j: 157138f8019c32265c483fb94ba686c0N.exe File opened (read-only) \??\s: 157138f8019c32265c483fb94ba686c0N.exe File opened (read-only) \??\u: 157138f8019c32265c483fb94ba686c0N.exe File opened (read-only) \??\v: 157138f8019c32265c483fb94ba686c0N.exe File opened (read-only) \??\a: 157138f8019c32265c483fb94ba686c0N.exe File opened (read-only) \??\e: 157138f8019c32265c483fb94ba686c0N.exe File opened (read-only) \??\g: 157138f8019c32265c483fb94ba686c0N.exe File opened (read-only) \??\q: 157138f8019c32265c483fb94ba686c0N.exe File opened (read-only) \??\r: 157138f8019c32265c483fb94ba686c0N.exe File opened (read-only) \??\x: 157138f8019c32265c483fb94ba686c0N.exe File opened (read-only) \??\z: 157138f8019c32265c483fb94ba686c0N.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 6 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:
157138f8019c32265c483fb94ba686c0N.exevnc.exedescription pid process target process PID 2228 set thread context of 2600 2228 157138f8019c32265c483fb94ba686c0N.exe 157138f8019c32265c483fb94ba686c0N.exe PID 2984 set thread context of 2672 2984 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 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
157138f8019c32265c483fb94ba686c0N.exevnc.exewindef.exe157138f8019c32265c483fb94ba686c0N.exeschtasks.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 157138f8019c32265c483fb94ba686c0N.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 157138f8019c32265c483fb94ba686c0N.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 2608 schtasks.exe 2020 schtasks.exe 324 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
157138f8019c32265c483fb94ba686c0N.exepid process 2228 157138f8019c32265c483fb94ba686c0N.exe 2228 157138f8019c32265c483fb94ba686c0N.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
vnc.exepid process 2984 vnc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
windef.exedescription pid process Token: SeDebugPrivilege 2568 windef.exe -
Suspicious use of WriteProcessMemory 25 IoCs
Processes:
157138f8019c32265c483fb94ba686c0N.exevnc.exedescription pid process target process PID 2228 wrote to memory of 2984 2228 157138f8019c32265c483fb94ba686c0N.exe vnc.exe PID 2228 wrote to memory of 2984 2228 157138f8019c32265c483fb94ba686c0N.exe vnc.exe PID 2228 wrote to memory of 2984 2228 157138f8019c32265c483fb94ba686c0N.exe vnc.exe PID 2228 wrote to memory of 2984 2228 157138f8019c32265c483fb94ba686c0N.exe vnc.exe PID 2228 wrote to memory of 2568 2228 157138f8019c32265c483fb94ba686c0N.exe windef.exe PID 2228 wrote to memory of 2568 2228 157138f8019c32265c483fb94ba686c0N.exe windef.exe PID 2228 wrote to memory of 2568 2228 157138f8019c32265c483fb94ba686c0N.exe windef.exe PID 2228 wrote to memory of 2568 2228 157138f8019c32265c483fb94ba686c0N.exe windef.exe PID 2984 wrote to memory of 2672 2984 vnc.exe svchost.exe PID 2984 wrote to memory of 2672 2984 vnc.exe svchost.exe PID 2984 wrote to memory of 2672 2984 vnc.exe svchost.exe PID 2984 wrote to memory of 2672 2984 vnc.exe svchost.exe PID 2984 wrote to memory of 2672 2984 vnc.exe svchost.exe PID 2228 wrote to memory of 2600 2228 157138f8019c32265c483fb94ba686c0N.exe 157138f8019c32265c483fb94ba686c0N.exe PID 2228 wrote to memory of 2600 2228 157138f8019c32265c483fb94ba686c0N.exe 157138f8019c32265c483fb94ba686c0N.exe PID 2228 wrote to memory of 2600 2228 157138f8019c32265c483fb94ba686c0N.exe 157138f8019c32265c483fb94ba686c0N.exe PID 2228 wrote to memory of 2600 2228 157138f8019c32265c483fb94ba686c0N.exe 157138f8019c32265c483fb94ba686c0N.exe PID 2228 wrote to memory of 2600 2228 157138f8019c32265c483fb94ba686c0N.exe 157138f8019c32265c483fb94ba686c0N.exe PID 2228 wrote to memory of 2600 2228 157138f8019c32265c483fb94ba686c0N.exe 157138f8019c32265c483fb94ba686c0N.exe PID 2228 wrote to memory of 2608 2228 157138f8019c32265c483fb94ba686c0N.exe schtasks.exe PID 2228 wrote to memory of 2608 2228 157138f8019c32265c483fb94ba686c0N.exe schtasks.exe PID 2228 wrote to memory of 2608 2228 157138f8019c32265c483fb94ba686c0N.exe schtasks.exe PID 2228 wrote to memory of 2608 2228 157138f8019c32265c483fb94ba686c0N.exe schtasks.exe PID 2984 wrote to memory of 2672 2984 vnc.exe svchost.exe PID 2984 wrote to memory of 2672 2984 vnc.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\157138f8019c32265c483fb94ba686c0N.exe"C:\Users\Admin\AppData\Local\Temp\157138f8019c32265c483fb94ba686c0N.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:2228 -
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:2984 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵
- Maps connected drives based on registry
PID:2672 -
C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2568 -
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⤵
- Scheduled Task/Job: Scheduled Task
PID:2020 -
C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"3⤵PID:1436
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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:324 -
C:\Users\Admin\AppData\Local\Temp\157138f8019c32265c483fb94ba686c0N.exe"C:\Users\Admin\AppData\Local\Temp\157138f8019c32265c483fb94ba686c0N.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2600 -
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:2608
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