Analysis
-
max time kernel
3s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
02-09-2024 09:39
Behavioral task
behavioral1
Sample
815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe
Resource
win10v2004-20240802-en
General
-
Target
815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe
-
Size
2.0MB
-
MD5
815df3ce8f1ebbbdcf8fd3b5391a2a70
-
SHA1
cc19616d3d9ed0dd4ef6bac2fcf5251bec303f67
-
SHA256
24ce8da6f76bfa558cff3079df170e78893679ccce334fadaf21d961291b30f0
-
SHA512
0aec8172b2b689874b50d5861a11f16cd8dc22116f46a108f1491e14b669bd15f34b1c5cb9ea356a0c1fbfe154ef66050dbf43e74cedc2992e1c3fa3e11b8bc1
-
SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY4:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y2
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/2620-45-0x0000000000F20000-0x0000000000F7E000-memory.dmp family_quasar behavioral1/memory/1796-57-0x0000000000340000-0x000000000039E000-memory.dmp family_quasar -
Executes dropped EXE 3 IoCs
Processes:
vnc.exewindef.exewinsock.exepid process 2060 vnc.exe 2620 windef.exe 1796 winsock.exe -
Loads dropped DLL 13 IoCs
Processes:
815df3ce8f1ebbbdcf8fd3b5391a2a70N.exeWerFault.exewindef.exepid process 1840 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 1840 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 1840 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 1840 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 1840 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 1840 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 1840 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 1840 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 2548 WerFault.exe 2548 WerFault.exe 2548 WerFault.exe 2548 WerFault.exe 2620 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:
815df3ce8f1ebbbdcf8fd3b5391a2a70N.exedescription ioc process File opened (read-only) \??\x: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\z: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\a: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\j: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\m: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\p: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\v: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\y: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\i: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\k: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\n: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\r: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\u: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\h: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\l: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\o: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\q: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\t: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\b: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\e: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\g: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\s: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\w: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.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 4 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
815df3ce8f1ebbbdcf8fd3b5391a2a70N.exedescription pid process target process PID 1840 set thread context of 2740 1840 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 815df3ce8f1ebbbdcf8fd3b5391a2a70N.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 2548 2060 WerFault.exe vnc.exe -
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.
Processes:
schtasks.exewinsock.exeschtasks.exe815df3ce8f1ebbbdcf8fd3b5391a2a70N.exevnc.exe815df3ce8f1ebbbdcf8fd3b5391a2a70N.exewindef.exeschtasks.exedescription ioc process 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 schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vnc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language windef.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 2716 schtasks.exe 1140 schtasks.exe 492 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
815df3ce8f1ebbbdcf8fd3b5391a2a70N.exepid process 1840 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 1840 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
windef.exewinsock.exedescription pid process Token: SeDebugPrivilege 2620 windef.exe Token: SeDebugPrivilege 1796 winsock.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
winsock.exepid process 1796 winsock.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
815df3ce8f1ebbbdcf8fd3b5391a2a70N.exevnc.exewindef.exewinsock.exedescription pid process target process PID 1840 wrote to memory of 2060 1840 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe vnc.exe PID 1840 wrote to memory of 2060 1840 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe vnc.exe PID 1840 wrote to memory of 2060 1840 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe vnc.exe PID 1840 wrote to memory of 2060 1840 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe vnc.exe PID 2060 wrote to memory of 2796 2060 vnc.exe svchost.exe PID 2060 wrote to memory of 2796 2060 vnc.exe svchost.exe PID 2060 wrote to memory of 2796 2060 vnc.exe svchost.exe PID 2060 wrote to memory of 2796 2060 vnc.exe svchost.exe PID 1840 wrote to memory of 2620 1840 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe windef.exe PID 1840 wrote to memory of 2620 1840 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe windef.exe PID 1840 wrote to memory of 2620 1840 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe windef.exe PID 1840 wrote to memory of 2620 1840 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe windef.exe PID 2060 wrote to memory of 2796 2060 vnc.exe svchost.exe PID 1840 wrote to memory of 2740 1840 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe PID 1840 wrote to memory of 2740 1840 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe PID 1840 wrote to memory of 2740 1840 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe PID 1840 wrote to memory of 2740 1840 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe PID 1840 wrote to memory of 2740 1840 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe PID 1840 wrote to memory of 2740 1840 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe PID 1840 wrote to memory of 2716 1840 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe schtasks.exe PID 1840 wrote to memory of 2716 1840 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe schtasks.exe PID 1840 wrote to memory of 2716 1840 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe schtasks.exe PID 1840 wrote to memory of 2716 1840 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe schtasks.exe PID 2060 wrote to memory of 2548 2060 vnc.exe WerFault.exe PID 2060 wrote to memory of 2548 2060 vnc.exe WerFault.exe PID 2060 wrote to memory of 2548 2060 vnc.exe WerFault.exe PID 2060 wrote to memory of 2548 2060 vnc.exe WerFault.exe PID 2620 wrote to memory of 1140 2620 windef.exe schtasks.exe PID 2620 wrote to memory of 1140 2620 windef.exe schtasks.exe PID 2620 wrote to memory of 1140 2620 windef.exe schtasks.exe PID 2620 wrote to memory of 1140 2620 windef.exe schtasks.exe PID 2620 wrote to memory of 1796 2620 windef.exe winsock.exe PID 2620 wrote to memory of 1796 2620 windef.exe winsock.exe PID 2620 wrote to memory of 1796 2620 windef.exe winsock.exe PID 2620 wrote to memory of 1796 2620 windef.exe winsock.exe PID 1796 wrote to memory of 492 1796 winsock.exe schtasks.exe PID 1796 wrote to memory of 492 1796 winsock.exe schtasks.exe PID 1796 wrote to memory of 492 1796 winsock.exe schtasks.exe PID 1796 wrote to memory of 492 1796 winsock.exe schtasks.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe"C:\Users\Admin\AppData\Local\Temp\815df3ce8f1ebbbdcf8fd3b5391a2a70N.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:1840 -
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:2060 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:2796
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2060 -s 1603⤵
- Loads dropped DLL
- Program crash
PID:2548 -
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:2620 -
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:1140 -
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
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1796 -
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⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:492 -
C:\Users\Admin\AppData\Local\Temp\815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe"C:\Users\Admin\AppData\Local\Temp\815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2740 -
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:2716
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
405KB
MD5b8ba87ee4c3fc085a2fed0d839aadce1
SHA1b3a2e3256406330e8b1779199bb2b9865122d766
SHA2564e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4
SHA5127a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2
-
Filesize
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb