Analysis
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max time kernel
3s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
25-01-2025 09:38
Behavioral task
behavioral1
Sample
a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe
Resource
win10v2004-20241007-en
General
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Target
a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe
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Size
2.0MB
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MD5
c914eef9aed3df6f8737868abe80d331
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SHA1
5a666f42694dbea1ab584dc6b590b14adc89fe55
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SHA256
a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45
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SHA512
ee49e26991cac569b0dd8a14d7a303fb0964e124421bfc63ca7f6e35becd4dbec79ca07b9e9e209d39b0951d93863e709ffd52afc0a2873f6234b2695e1f0695
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYZ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YL
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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Azorult family
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Quasar family
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Quasar payload 5 IoCs
resource yara_rule behavioral1/files/0x0007000000019490-17.dat family_quasar behavioral1/memory/2388-55-0x0000000000DA0000-0x0000000000DFE000-memory.dmp family_quasar behavioral1/files/0x00060000000194d0-56.dat family_quasar behavioral1/memory/2976-65-0x0000000000FE0000-0x000000000103E000-memory.dmp family_quasar behavioral1/memory/388-110-0x00000000012C0000-0x000000000131E000-memory.dmp family_quasar -
Executes dropped EXE 4 IoCs
pid Process 484 vnc.exe 2388 windef.exe 1296 SystemPropertiesPerformance.exe 2976 winsock.exe -
Loads dropped DLL 9 IoCs
pid Process 2272 a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe 2272 a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe 2272 a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe 2272 a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe 2272 a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe 2272 a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe 2272 a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe 2272 a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe 2388 windef.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\n: a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe File opened (read-only) \??\z: a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe File opened (read-only) \??\p: a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe File opened (read-only) \??\r: a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe File opened (read-only) \??\s: a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe File opened (read-only) \??\a: a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe File opened (read-only) \??\g: a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe File opened (read-only) \??\h: a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe File opened (read-only) \??\j: a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe File opened (read-only) \??\o: a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe File opened (read-only) \??\v: a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe File opened (read-only) \??\w: a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe File opened (read-only) \??\t: a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe File opened (read-only) \??\u: a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe File opened (read-only) \??\y: a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe File opened (read-only) \??\b: a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe File opened (read-only) \??\e: a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe File opened (read-only) \??\k: a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe File opened (read-only) \??\l: a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe File opened (read-only) \??\m: a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe File opened (read-only) \??\i: a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe File opened (read-only) \??\q: a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe File opened (read-only) \??\x: a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.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.
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.
description 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.
resource yara_rule behavioral1/files/0x00060000000194d0-56.dat autoit_exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2272 set thread context of 2800 2272 a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe 34 PID 484 set thread context of 2588 484 vnc.exe 32 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 2616 1828 WerFault.exe 46 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SystemPropertiesPerformance.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 a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vnc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language windef.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 4 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2888 schtasks.exe 3012 schtasks.exe 2740 schtasks.exe 1128 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2272 a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe 2272 a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 484 vnc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2388 windef.exe Token: SeDebugPrivilege 2976 winsock.exe -
Suspicious use of WriteProcessMemory 37 IoCs
description pid Process procid_target PID 2272 wrote to memory of 484 2272 a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe 31 PID 2272 wrote to memory of 484 2272 a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe 31 PID 2272 wrote to memory of 484 2272 a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe 31 PID 2272 wrote to memory of 484 2272 a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe 31 PID 484 wrote to memory of 2588 484 vnc.exe 32 PID 484 wrote to memory of 2588 484 vnc.exe 32 PID 484 wrote to memory of 2588 484 vnc.exe 32 PID 484 wrote to memory of 2588 484 vnc.exe 32 PID 2272 wrote to memory of 2388 2272 a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe 33 PID 2272 wrote to memory of 2388 2272 a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe 33 PID 2272 wrote to memory of 2388 2272 a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe 33 PID 2272 wrote to memory of 2388 2272 a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe 33 PID 484 wrote to memory of 2588 484 vnc.exe 32 PID 2272 wrote to memory of 2800 2272 a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe 34 PID 2272 wrote to memory of 2800 2272 a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe 34 PID 2272 wrote to memory of 2800 2272 a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe 34 PID 2272 wrote to memory of 2800 2272 a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe 34 PID 2272 wrote to memory of 2800 2272 a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe 34 PID 2272 wrote to memory of 2800 2272 a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe 34 PID 2272 wrote to memory of 2888 2272 a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe 35 PID 2272 wrote to memory of 2888 2272 a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe 35 PID 2272 wrote to memory of 2888 2272 a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe 35 PID 2272 wrote to memory of 2888 2272 a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe 35 PID 484 wrote to memory of 2588 484 vnc.exe 32 PID 484 wrote to memory of 2588 484 vnc.exe 32 PID 2500 wrote to memory of 1296 2500 taskeng.exe 39 PID 2500 wrote to memory of 1296 2500 taskeng.exe 39 PID 2500 wrote to memory of 1296 2500 taskeng.exe 39 PID 2500 wrote to memory of 1296 2500 taskeng.exe 39 PID 2388 wrote to memory of 3012 2388 windef.exe 40 PID 2388 wrote to memory of 3012 2388 windef.exe 40 PID 2388 wrote to memory of 3012 2388 windef.exe 40 PID 2388 wrote to memory of 3012 2388 windef.exe 40 PID 2388 wrote to memory of 2976 2388 windef.exe 42 PID 2388 wrote to memory of 2976 2388 windef.exe 42 PID 2388 wrote to memory of 2976 2388 windef.exe 42 PID 2388 wrote to memory of 2976 2388 windef.exe 42
Processes
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C:\Users\Admin\AppData\Local\Temp\a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe"C:\Users\Admin\AppData\Local\Temp\a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.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:2272 -
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:484 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵
- Maps connected drives based on registry
PID:2588
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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:2388 -
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:3012
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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
PID:2976 -
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:2740
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C:\Users\Admin\AppData\Local\Temp\a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe"C:\Users\Admin\AppData\Local\Temp\a4bf0e49e08125ca996b4e96427606c4bc6d2b89f02c8ee08692aef627f8ac45.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2800
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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:2888
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C:\Windows\system32\taskeng.exetaskeng.exe {F6F93DF9-8966-46A0-958E-2411CCFADBCC} S-1-5-21-2039016743-699959520-214465309-1000:PIDEURYY\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:2500 -
C:\Users\Admin\btpanui\SystemPropertiesPerformance.exeC:\Users\Admin\btpanui\SystemPropertiesPerformance.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1296 -
C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"3⤵PID:1828
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k4⤵PID:2620
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1828 -s 1604⤵
- Program crash
PID:2616
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C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"3⤵PID:388
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"3⤵PID:2112
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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 /F3⤵
- Scheduled Task/Job: Scheduled Task
PID:1128
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
213B
MD58f29e14676dc7fc59c9234a8a19169c9
SHA1762836b46eda2c0ba3d10825e21e247f3919ec24
SHA25677e25951e6cb91f0bb5ee99cb9fc19c77508915aa980450b2057081b64996b8b
SHA51284b69dcf4986a4ffba4a69b1b0acb3d68bbb863be809ff6813c017c8cd68c0b4f75f89516e8e233443980507ed6e829cae1969f704496f18b47b231717917732
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Filesize
2.0MB
MD5131f7022429fa61c97138a6e70421eb9
SHA1ed05919c7a57e6516bdb312681117a9acf51a79c
SHA2563241ba82a6d333ec1b0fa23b1edcac1f31dcb46f223dda467d31fcb62b808761
SHA512b7a5d35cbe02086016d09c71c61ac3f711c58e1f9413f949be0725b26aabcb13d7892a07f422c35d0f2d80d7a08bdf54489c11931bcc0e06249be19f479780af
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Filesize
405KB
MD5b8ba87ee4c3fc085a2fed0d839aadce1
SHA1b3a2e3256406330e8b1779199bb2b9865122d766
SHA2564e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4
SHA5127a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2
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Filesize
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb