Analysis
-
max time kernel
2s -
max time network
26s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
21-08-2024 08:20
Behavioral task
behavioral1
Sample
2a13506deaa64d147ab7719f9bca5100N.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2a13506deaa64d147ab7719f9bca5100N.exe
Resource
win10v2004-20240802-en
General
-
Target
2a13506deaa64d147ab7719f9bca5100N.exe
-
Size
2.0MB
-
MD5
2a13506deaa64d147ab7719f9bca5100
-
SHA1
4775dced0287fbf50084f12bc82862bbf8dd5fcb
-
SHA256
7c9250071e438711d7185bbe19721c41fa3562fb54e52cd92a9926b48fd234e6
-
SHA512
e2103936dc897b32bc3714021918b7ffb3c4625933c8e8bd7e3e3e0b4df865db5bef38c3ee35f2f39c3715016485b16f6c4c294e355aeaae64af057933e461ec
-
SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYI:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YO
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/2804-46-0x0000000000080000-0x00000000000DE000-memory.dmp family_quasar behavioral1/memory/2964-60-0x0000000000840000-0x000000000089E000-memory.dmp family_quasar -
Executes dropped EXE 2 IoCs
Processes:
vnc.exewindef.exepid process 2300 vnc.exe 2804 windef.exe -
Loads dropped DLL 12 IoCs
Processes:
2a13506deaa64d147ab7719f9bca5100N.exeWerFault.exepid process 2192 2a13506deaa64d147ab7719f9bca5100N.exe 2192 2a13506deaa64d147ab7719f9bca5100N.exe 2192 2a13506deaa64d147ab7719f9bca5100N.exe 2192 2a13506deaa64d147ab7719f9bca5100N.exe 2192 2a13506deaa64d147ab7719f9bca5100N.exe 2192 2a13506deaa64d147ab7719f9bca5100N.exe 2192 2a13506deaa64d147ab7719f9bca5100N.exe 2192 2a13506deaa64d147ab7719f9bca5100N.exe 2592 WerFault.exe 2592 WerFault.exe 2592 WerFault.exe 2592 WerFault.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
2a13506deaa64d147ab7719f9bca5100N.exedescription ioc process File opened (read-only) \??\e: 2a13506deaa64d147ab7719f9bca5100N.exe File opened (read-only) \??\h: 2a13506deaa64d147ab7719f9bca5100N.exe File opened (read-only) \??\k: 2a13506deaa64d147ab7719f9bca5100N.exe File opened (read-only) \??\o: 2a13506deaa64d147ab7719f9bca5100N.exe File opened (read-only) \??\q: 2a13506deaa64d147ab7719f9bca5100N.exe File opened (read-only) \??\u: 2a13506deaa64d147ab7719f9bca5100N.exe File opened (read-only) \??\a: 2a13506deaa64d147ab7719f9bca5100N.exe File opened (read-only) \??\b: 2a13506deaa64d147ab7719f9bca5100N.exe File opened (read-only) \??\n: 2a13506deaa64d147ab7719f9bca5100N.exe File opened (read-only) \??\p: 2a13506deaa64d147ab7719f9bca5100N.exe File opened (read-only) \??\w: 2a13506deaa64d147ab7719f9bca5100N.exe File opened (read-only) \??\z: 2a13506deaa64d147ab7719f9bca5100N.exe File opened (read-only) \??\g: 2a13506deaa64d147ab7719f9bca5100N.exe File opened (read-only) \??\i: 2a13506deaa64d147ab7719f9bca5100N.exe File opened (read-only) \??\s: 2a13506deaa64d147ab7719f9bca5100N.exe File opened (read-only) \??\v: 2a13506deaa64d147ab7719f9bca5100N.exe File opened (read-only) \??\y: 2a13506deaa64d147ab7719f9bca5100N.exe File opened (read-only) \??\l: 2a13506deaa64d147ab7719f9bca5100N.exe File opened (read-only) \??\r: 2a13506deaa64d147ab7719f9bca5100N.exe File opened (read-only) \??\t: 2a13506deaa64d147ab7719f9bca5100N.exe File opened (read-only) \??\x: 2a13506deaa64d147ab7719f9bca5100N.exe File opened (read-only) \??\j: 2a13506deaa64d147ab7719f9bca5100N.exe File opened (read-only) \??\m: 2a13506deaa64d147ab7719f9bca5100N.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 8 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
2a13506deaa64d147ab7719f9bca5100N.exedescription pid process target process PID 2192 set thread context of 2580 2192 2a13506deaa64d147ab7719f9bca5100N.exe 2a13506deaa64d147ab7719f9bca5100N.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 2592 2300 WerFault.exe vnc.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:
2a13506deaa64d147ab7719f9bca5100N.exevnc.exewindef.exe2a13506deaa64d147ab7719f9bca5100N.exeschtasks.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2a13506deaa64d147ab7719f9bca5100N.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 2a13506deaa64d147ab7719f9bca5100N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 2248 schtasks.exe 2888 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
2a13506deaa64d147ab7719f9bca5100N.exepid process 2192 2a13506deaa64d147ab7719f9bca5100N.exe 2192 2a13506deaa64d147ab7719f9bca5100N.exe -
Suspicious use of WriteProcessMemory 27 IoCs
Processes:
2a13506deaa64d147ab7719f9bca5100N.exevnc.exedescription pid process target process PID 2192 wrote to memory of 2300 2192 2a13506deaa64d147ab7719f9bca5100N.exe vnc.exe PID 2192 wrote to memory of 2300 2192 2a13506deaa64d147ab7719f9bca5100N.exe vnc.exe PID 2192 wrote to memory of 2300 2192 2a13506deaa64d147ab7719f9bca5100N.exe vnc.exe PID 2192 wrote to memory of 2300 2192 2a13506deaa64d147ab7719f9bca5100N.exe vnc.exe PID 2300 wrote to memory of 2788 2300 vnc.exe svchost.exe PID 2300 wrote to memory of 2788 2300 vnc.exe svchost.exe PID 2300 wrote to memory of 2788 2300 vnc.exe svchost.exe PID 2300 wrote to memory of 2788 2300 vnc.exe svchost.exe PID 2192 wrote to memory of 2804 2192 2a13506deaa64d147ab7719f9bca5100N.exe windef.exe PID 2192 wrote to memory of 2804 2192 2a13506deaa64d147ab7719f9bca5100N.exe windef.exe PID 2192 wrote to memory of 2804 2192 2a13506deaa64d147ab7719f9bca5100N.exe windef.exe PID 2192 wrote to memory of 2804 2192 2a13506deaa64d147ab7719f9bca5100N.exe windef.exe PID 2300 wrote to memory of 2788 2300 vnc.exe svchost.exe PID 2192 wrote to memory of 2580 2192 2a13506deaa64d147ab7719f9bca5100N.exe 2a13506deaa64d147ab7719f9bca5100N.exe PID 2192 wrote to memory of 2580 2192 2a13506deaa64d147ab7719f9bca5100N.exe 2a13506deaa64d147ab7719f9bca5100N.exe PID 2192 wrote to memory of 2580 2192 2a13506deaa64d147ab7719f9bca5100N.exe 2a13506deaa64d147ab7719f9bca5100N.exe PID 2192 wrote to memory of 2580 2192 2a13506deaa64d147ab7719f9bca5100N.exe 2a13506deaa64d147ab7719f9bca5100N.exe PID 2192 wrote to memory of 2580 2192 2a13506deaa64d147ab7719f9bca5100N.exe 2a13506deaa64d147ab7719f9bca5100N.exe PID 2192 wrote to memory of 2580 2192 2a13506deaa64d147ab7719f9bca5100N.exe 2a13506deaa64d147ab7719f9bca5100N.exe PID 2192 wrote to memory of 2248 2192 2a13506deaa64d147ab7719f9bca5100N.exe schtasks.exe PID 2192 wrote to memory of 2248 2192 2a13506deaa64d147ab7719f9bca5100N.exe schtasks.exe PID 2192 wrote to memory of 2248 2192 2a13506deaa64d147ab7719f9bca5100N.exe schtasks.exe PID 2192 wrote to memory of 2248 2192 2a13506deaa64d147ab7719f9bca5100N.exe schtasks.exe PID 2300 wrote to memory of 2592 2300 vnc.exe WerFault.exe PID 2300 wrote to memory of 2592 2300 vnc.exe WerFault.exe PID 2300 wrote to memory of 2592 2300 vnc.exe WerFault.exe PID 2300 wrote to memory of 2592 2300 vnc.exe WerFault.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2a13506deaa64d147ab7719f9bca5100N.exe"C:\Users\Admin\AppData\Local\Temp\2a13506deaa64d147ab7719f9bca5100N.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:2192 -
C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2300 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:2788
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 1603⤵
- Loads dropped DLL
- Program crash
PID:2592 -
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:2804 -
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:2888 -
C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"3⤵PID:2964
-
C:\Users\Admin\AppData\Local\Temp\2a13506deaa64d147ab7719f9bca5100N.exe"C:\Users\Admin\AppData\Local\Temp\2a13506deaa64d147ab7719f9bca5100N.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2580 -
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:2248
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
405KB
MD5b8ba87ee4c3fc085a2fed0d839aadce1
SHA1b3a2e3256406330e8b1779199bb2b9865122d766
SHA2564e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4
SHA5127a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2
-
Filesize
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb