Analysis
-
max time kernel
5s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
09-08-2024 20:44
Behavioral task
behavioral1
Sample
42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe
Resource
win10v2004-20240802-en
General
-
Target
42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe
-
Size
2.0MB
-
MD5
dea3e9019314af87c0148da2964bf0c0
-
SHA1
36dd83e33d695e466580c1c3da291888dede02d3
-
SHA256
42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64
-
SHA512
8208bf48f68010fb48114343317073f138d8a152c70dc291050d83d589f1aba89dc45be3197a1d5ef3fcad2ff43bdcd492067c15e8bcfaf057f162c8cf726814
-
SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYp:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yz
Malware Config
Extracted
quasar
1.3.0.0
EbayProfiles
5.8.88.191:443
sockartek.icu:443
QSR_MUTEX_0kBRNrRz5TDLEQouI0
-
encryption_key
MWhG6wsClMX8aJM2CVXT
-
install_name
winsock.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
win defender run
-
subdirectory
SubDir
Extracted
azorult
http://0x21.in:8000/_az/
Signatures
-
Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
-
Quasar payload 5 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\windef.exe family_quasar behavioral1/memory/1672-53-0x0000000000E30000-0x0000000000E8E000-memory.dmp family_quasar behavioral1/memory/2220-63-0x00000000010E0000-0x000000000113E000-memory.dmp family_quasar C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe family_quasar behavioral1/memory/1536-116-0x00000000001F0000-0x000000000024E000-memory.dmp family_quasar -
Executes dropped EXE 2 IoCs
Processes:
vnc.exewindef.exepid process 968 vnc.exe 1672 windef.exe -
Loads dropped DLL 8 IoCs
Processes:
42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exepid process 2556 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe 2556 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe 2556 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe 2556 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe 2556 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe 2556 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe 2556 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe 2556 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exedescription ioc process File opened (read-only) \??\l: 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe File opened (read-only) \??\s: 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe File opened (read-only) \??\v: 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe File opened (read-only) \??\y: 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe File opened (read-only) \??\q: 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe File opened (read-only) \??\r: 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe File opened (read-only) \??\w: 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe File opened (read-only) \??\h: 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe File opened (read-only) \??\i: 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe File opened (read-only) \??\j: 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe File opened (read-only) \??\m: 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe File opened (read-only) \??\p: 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe File opened (read-only) \??\a: 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe File opened (read-only) \??\e: 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe File opened (read-only) \??\n: 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe File opened (read-only) \??\o: 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe File opened (read-only) \??\t: 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe File opened (read-only) \??\z: 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe File opened (read-only) \??\b: 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe File opened (read-only) \??\g: 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe File opened (read-only) \??\k: 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe File opened (read-only) \??\u: 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe File opened (read-only) \??\x: 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.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 9 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 -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
Processes:
resource yara_rule C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe autoit_exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exevnc.exedescription pid process target process PID 2556 set thread context of 2756 2556 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe PID 968 set thread context of 2992 968 vnc.exe svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1848 2220 WerFault.exe winsock.exe -
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:
windef.exeschtasks.exe42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exevnc.exe42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exedescription ioc process 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 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vnc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
-
Runs ping.exe 1 TTPs 1 IoCs
-
Scheduled Task/Job: Scheduled Task 1 TTPs 4 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exeschtasks.exeschtasks.exepid process 2728 schtasks.exe 532 schtasks.exe 2636 schtasks.exe 1168 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exepid process 2556 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe 2556 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
vnc.exepid process 968 vnc.exe -
Suspicious use of WriteProcessMemory 25 IoCs
Processes:
42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exevnc.exedescription pid process target process PID 2556 wrote to memory of 968 2556 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe vnc.exe PID 2556 wrote to memory of 968 2556 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe vnc.exe PID 2556 wrote to memory of 968 2556 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe vnc.exe PID 2556 wrote to memory of 968 2556 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe vnc.exe PID 968 wrote to memory of 2992 968 vnc.exe svchost.exe PID 968 wrote to memory of 2992 968 vnc.exe svchost.exe PID 968 wrote to memory of 2992 968 vnc.exe svchost.exe PID 968 wrote to memory of 2992 968 vnc.exe svchost.exe PID 968 wrote to memory of 2992 968 vnc.exe svchost.exe PID 2556 wrote to memory of 1672 2556 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe windef.exe PID 2556 wrote to memory of 1672 2556 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe windef.exe PID 2556 wrote to memory of 1672 2556 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe windef.exe PID 2556 wrote to memory of 1672 2556 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe windef.exe PID 2556 wrote to memory of 2756 2556 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe PID 2556 wrote to memory of 2756 2556 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe PID 2556 wrote to memory of 2756 2556 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe PID 2556 wrote to memory of 2756 2556 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe PID 2556 wrote to memory of 2756 2556 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe PID 2556 wrote to memory of 2756 2556 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe PID 2556 wrote to memory of 2636 2556 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe schtasks.exe PID 2556 wrote to memory of 2636 2556 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe schtasks.exe PID 2556 wrote to memory of 2636 2556 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe schtasks.exe PID 2556 wrote to memory of 2636 2556 42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe schtasks.exe PID 968 wrote to memory of 2992 968 vnc.exe svchost.exe PID 968 wrote to memory of 2992 968 vnc.exe svchost.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe"C:\Users\Admin\AppData\Local\Temp\42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.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:2556 -
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:968 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵
- Maps connected drives based on registry
PID:2992 -
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
PID:1672 -
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:1168 -
C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"3⤵PID:2220
-
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:2728 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\x24uyK6vXd6e.bat" "4⤵PID:960
-
C:\Windows\SysWOW64\chcp.comchcp 650015⤵PID:2808
-
C:\Windows\SysWOW64\PING.EXEping -n 10 localhost5⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:1668 -
C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"5⤵PID:2548
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2220 -s 15364⤵
- Program crash
PID:1848 -
C:\Users\Admin\AppData\Local\Temp\42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe"C:\Users\Admin\AppData\Local\Temp\42b931b3f31f74bc6f949cd225641bd536197ebaaa7ce65701bfeb2a4cb8ea64.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2756 -
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:2636
-
C:\Windows\system32\taskeng.exetaskeng.exe {B347CD4E-551A-4304-A607-A40D208E4BFC} S-1-5-21-2212144002-1172735686-1556890956-1000:MVFYZPLM\Admin:Interactive:[1]1⤵PID:800
-
C:\Users\Admin\btpanui\SystemPropertiesPerformance.exeC:\Users\Admin\btpanui\SystemPropertiesPerformance.exe2⤵PID:1568
-
C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"3⤵PID:1968
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k4⤵PID:604
-
C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"3⤵PID:1536
-
C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"3⤵PID:2260
-
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:532
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
405KB
MD5b8ba87ee4c3fc085a2fed0d839aadce1
SHA1b3a2e3256406330e8b1779199bb2b9865122d766
SHA2564e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4
SHA5127a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2
-
Filesize
208B
MD53c049a9c4936925cac8952ea18866110
SHA17f944ccb126b36fca303c43f1a9a36160d74500d
SHA256f549373818600a79c6a31c2613d2e4aeb7cc9136c09b6d2ed4238481da9d932d
SHA512fe9b16f698e148b98784204e3815a68a535fd6fe3ca8d60a29549fd4843b916a95887c094edccad2cf22b0d81cdaf8176f1bc5075f082f425d5d1fe1323cf41e
-
Filesize
211B
MD54ef5e1781e83fd40586c11c6c3ed3463
SHA1e987c1290e97860d25d772d540b433e167100a02
SHA256df5c2e3787154c8df9d59a9fdd3a0846982d79f5867f5e21c20a20b038f1b849
SHA512e944b9735953b16cab5e9e6205d54179eaa989249aa1b6b9edc4f297b4b4e0c56ef457819a0da94a17308bce013a0e223d6e11ac3d4bf9ee7d79ac93601eb809
-
Filesize
2.0MB
MD507e8502469d4b02e5550e2e960d62416
SHA15d7396d860d1d51fd80a9b96814f7bb48f5dd362
SHA25677d677a2a066fa9b6a9bd6da934fb966f767a152eebd178e00db66350bfbae90
SHA5124469feb0b3011f58a1366b55ecef080522c08868ad1cb9f07448bd08bd1fe1846e78491636ae8df0c93819811d61aeca1e0e64f90dd374d0b0c4dc2500bae67e
-
Filesize
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb