Analysis
-
max time kernel
4s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
13-08-2024 11:53
Behavioral task
behavioral1
Sample
7185b3eaacc71151d8541600bb332030N.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
7185b3eaacc71151d8541600bb332030N.exe
Resource
win10v2004-20240802-en
General
-
Target
7185b3eaacc71151d8541600bb332030N.exe
-
Size
2.0MB
-
MD5
7185b3eaacc71151d8541600bb332030
-
SHA1
5a8c40dd85cca0bef420a31cb02e419ebcf6c74b
-
SHA256
7255cdba12d713b61c0f973ab0b1770efe3b3ea71e84ddc0245255b39e056e41
-
SHA512
fcdea8925f4a7ae06a31d242c9eb70cf44f465db619a0ad2e27051ca3de482bf285c5b32758a95c8a0e72a060cf5f75743d4a765e53f830e637d8c6dd9d4c391
-
SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYf:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YJ
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 3 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\windef.exe family_quasar behavioral1/memory/2644-53-0x0000000000010000-0x000000000006E000-memory.dmp family_quasar behavioral1/memory/1944-64-0x0000000001140000-0x000000000119E000-memory.dmp family_quasar -
Executes dropped EXE 3 IoCs
Processes:
vnc.exewindef.exewinsock.exepid process 2624 vnc.exe 2644 windef.exe 1944 winsock.exe -
Loads dropped DLL 9 IoCs
Processes:
7185b3eaacc71151d8541600bb332030N.exewindef.exepid process 2708 7185b3eaacc71151d8541600bb332030N.exe 2708 7185b3eaacc71151d8541600bb332030N.exe 2708 7185b3eaacc71151d8541600bb332030N.exe 2708 7185b3eaacc71151d8541600bb332030N.exe 2708 7185b3eaacc71151d8541600bb332030N.exe 2708 7185b3eaacc71151d8541600bb332030N.exe 2708 7185b3eaacc71151d8541600bb332030N.exe 2708 7185b3eaacc71151d8541600bb332030N.exe 2644 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:
7185b3eaacc71151d8541600bb332030N.exedescription ioc process File opened (read-only) \??\g: 7185b3eaacc71151d8541600bb332030N.exe File opened (read-only) \??\h: 7185b3eaacc71151d8541600bb332030N.exe File opened (read-only) \??\l: 7185b3eaacc71151d8541600bb332030N.exe File opened (read-only) \??\s: 7185b3eaacc71151d8541600bb332030N.exe File opened (read-only) \??\x: 7185b3eaacc71151d8541600bb332030N.exe File opened (read-only) \??\j: 7185b3eaacc71151d8541600bb332030N.exe File opened (read-only) \??\p: 7185b3eaacc71151d8541600bb332030N.exe File opened (read-only) \??\q: 7185b3eaacc71151d8541600bb332030N.exe File opened (read-only) \??\t: 7185b3eaacc71151d8541600bb332030N.exe File opened (read-only) \??\u: 7185b3eaacc71151d8541600bb332030N.exe File opened (read-only) \??\w: 7185b3eaacc71151d8541600bb332030N.exe File opened (read-only) \??\b: 7185b3eaacc71151d8541600bb332030N.exe File opened (read-only) \??\k: 7185b3eaacc71151d8541600bb332030N.exe File opened (read-only) \??\n: 7185b3eaacc71151d8541600bb332030N.exe File opened (read-only) \??\v: 7185b3eaacc71151d8541600bb332030N.exe File opened (read-only) \??\a: 7185b3eaacc71151d8541600bb332030N.exe File opened (read-only) \??\e: 7185b3eaacc71151d8541600bb332030N.exe File opened (read-only) \??\i: 7185b3eaacc71151d8541600bb332030N.exe File opened (read-only) \??\m: 7185b3eaacc71151d8541600bb332030N.exe File opened (read-only) \??\o: 7185b3eaacc71151d8541600bb332030N.exe File opened (read-only) \??\r: 7185b3eaacc71151d8541600bb332030N.exe File opened (read-only) \??\y: 7185b3eaacc71151d8541600bb332030N.exe File opened (read-only) \??\z: 7185b3eaacc71151d8541600bb332030N.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 -
Suspicious use of SetThreadContext 2 IoCs
Processes:
7185b3eaacc71151d8541600bb332030N.exevnc.exedescription pid process target process PID 2708 set thread context of 2312 2708 7185b3eaacc71151d8541600bb332030N.exe 7185b3eaacc71151d8541600bb332030N.exe PID 2624 set thread context of 2652 2624 vnc.exe svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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:
vnc.exe7185b3eaacc71151d8541600bb332030N.exewindef.exeschtasks.exeschtasks.exewinsock.exe7185b3eaacc71151d8541600bb332030N.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vnc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7185b3eaacc71151d8541600bb332030N.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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winsock.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 7185b3eaacc71151d8541600bb332030N.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 2584 schtasks.exe 2912 schtasks.exe 3012 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
7185b3eaacc71151d8541600bb332030N.exepid process 2708 7185b3eaacc71151d8541600bb332030N.exe 2708 7185b3eaacc71151d8541600bb332030N.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
vnc.exepid process 2624 vnc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
windef.exewinsock.exedescription pid process Token: SeDebugPrivilege 2644 windef.exe Token: SeDebugPrivilege 1944 winsock.exe -
Suspicious use of WriteProcessMemory 33 IoCs
Processes:
7185b3eaacc71151d8541600bb332030N.exevnc.exewindef.exedescription pid process target process PID 2708 wrote to memory of 2624 2708 7185b3eaacc71151d8541600bb332030N.exe vnc.exe PID 2708 wrote to memory of 2624 2708 7185b3eaacc71151d8541600bb332030N.exe vnc.exe PID 2708 wrote to memory of 2624 2708 7185b3eaacc71151d8541600bb332030N.exe vnc.exe PID 2708 wrote to memory of 2624 2708 7185b3eaacc71151d8541600bb332030N.exe vnc.exe PID 2708 wrote to memory of 2644 2708 7185b3eaacc71151d8541600bb332030N.exe windef.exe PID 2708 wrote to memory of 2644 2708 7185b3eaacc71151d8541600bb332030N.exe windef.exe PID 2708 wrote to memory of 2644 2708 7185b3eaacc71151d8541600bb332030N.exe windef.exe PID 2708 wrote to memory of 2644 2708 7185b3eaacc71151d8541600bb332030N.exe windef.exe PID 2624 wrote to memory of 2652 2624 vnc.exe svchost.exe PID 2624 wrote to memory of 2652 2624 vnc.exe svchost.exe PID 2624 wrote to memory of 2652 2624 vnc.exe svchost.exe PID 2624 wrote to memory of 2652 2624 vnc.exe svchost.exe PID 2624 wrote to memory of 2652 2624 vnc.exe svchost.exe PID 2708 wrote to memory of 2312 2708 7185b3eaacc71151d8541600bb332030N.exe 7185b3eaacc71151d8541600bb332030N.exe PID 2708 wrote to memory of 2312 2708 7185b3eaacc71151d8541600bb332030N.exe 7185b3eaacc71151d8541600bb332030N.exe PID 2708 wrote to memory of 2312 2708 7185b3eaacc71151d8541600bb332030N.exe 7185b3eaacc71151d8541600bb332030N.exe PID 2708 wrote to memory of 2312 2708 7185b3eaacc71151d8541600bb332030N.exe 7185b3eaacc71151d8541600bb332030N.exe PID 2708 wrote to memory of 2312 2708 7185b3eaacc71151d8541600bb332030N.exe 7185b3eaacc71151d8541600bb332030N.exe PID 2708 wrote to memory of 2312 2708 7185b3eaacc71151d8541600bb332030N.exe 7185b3eaacc71151d8541600bb332030N.exe PID 2708 wrote to memory of 2584 2708 7185b3eaacc71151d8541600bb332030N.exe schtasks.exe PID 2708 wrote to memory of 2584 2708 7185b3eaacc71151d8541600bb332030N.exe schtasks.exe PID 2708 wrote to memory of 2584 2708 7185b3eaacc71151d8541600bb332030N.exe schtasks.exe PID 2708 wrote to memory of 2584 2708 7185b3eaacc71151d8541600bb332030N.exe schtasks.exe PID 2624 wrote to memory of 2652 2624 vnc.exe svchost.exe PID 2624 wrote to memory of 2652 2624 vnc.exe svchost.exe PID 2644 wrote to memory of 2912 2644 windef.exe schtasks.exe PID 2644 wrote to memory of 2912 2644 windef.exe schtasks.exe PID 2644 wrote to memory of 2912 2644 windef.exe schtasks.exe PID 2644 wrote to memory of 2912 2644 windef.exe schtasks.exe PID 2644 wrote to memory of 1944 2644 windef.exe winsock.exe PID 2644 wrote to memory of 1944 2644 windef.exe winsock.exe PID 2644 wrote to memory of 1944 2644 windef.exe winsock.exe PID 2644 wrote to memory of 1944 2644 windef.exe winsock.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\7185b3eaacc71151d8541600bb332030N.exe"C:\Users\Admin\AppData\Local\Temp\7185b3eaacc71151d8541600bb332030N.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:2708 -
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:2624 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵
- Maps connected drives based on registry
PID:2652 -
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:2644 -
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:2912 -
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:1944 -
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:3012 -
C:\Users\Admin\AppData\Local\Temp\7185b3eaacc71151d8541600bb332030N.exe"C:\Users\Admin\AppData\Local\Temp\7185b3eaacc71151d8541600bb332030N.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2312 -
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:2584
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
405KB
MD5b8ba87ee4c3fc085a2fed0d839aadce1
SHA1b3a2e3256406330e8b1779199bb2b9865122d766
SHA2564e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4
SHA5127a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2
-
Filesize
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb