Analysis
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max time kernel
2s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21-11-2024 01:38
Behavioral task
behavioral1
Sample
b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe
Resource
win10v2004-20241007-en
General
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Target
b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe
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Size
2.0MB
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MD5
36f81684d6dba8fe44fd17044482ab55
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SHA1
7c404cfed92d509d35b5b32ff10d5a6751ec1585
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SHA256
b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f
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SHA512
0e66e47e8e8d3fb383a49f18a0b6da4a430bd8fc97cecb13587c652d3bd8068bb55fb71fe98ea31370099b8d5e0f31ba1788ba2a61777e4c952d100ec7442fc5
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYV:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yz
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/0x00080000000167dc-29.dat family_quasar behavioral1/memory/2640-45-0x0000000000D00000-0x0000000000D5E000-memory.dmp family_quasar behavioral1/memory/1520-57-0x0000000000E70000-0x0000000000ECE000-memory.dmp family_quasar behavioral1/files/0x0007000000016c58-61.dat family_quasar behavioral1/memory/908-94-0x0000000000390000-0x00000000003EE000-memory.dmp family_quasar -
Executes dropped EXE 3 IoCs
pid Process 1156 vnc.exe 2640 windef.exe 1520 winsock.exe -
Loads dropped DLL 13 IoCs
pid Process 1404 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe 1404 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe 1404 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe 1404 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe 1404 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe 1404 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe 1404 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe 1404 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe 2732 WerFault.exe 2732 WerFault.exe 2732 WerFault.exe 2732 WerFault.exe 2640 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: b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe File opened (read-only) \??\r: b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe File opened (read-only) \??\g: b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe File opened (read-only) \??\l: b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe File opened (read-only) \??\q: b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe File opened (read-only) \??\s: b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe File opened (read-only) \??\t: b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe File opened (read-only) \??\z: b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe File opened (read-only) \??\e: b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe File opened (read-only) \??\p: b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe File opened (read-only) \??\m: b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe File opened (read-only) \??\o: b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe File opened (read-only) \??\x: b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe File opened (read-only) \??\a: b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe File opened (read-only) \??\b: b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe File opened (read-only) \??\j: b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe File opened (read-only) \??\k: b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe File opened (read-only) \??\u: b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe File opened (read-only) \??\v: b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe File opened (read-only) \??\w: b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe File opened (read-only) \??\y: b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe File opened (read-only) \??\h: b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe File opened (read-only) \??\i: b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.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 4 ip-api.com -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral1/files/0x0007000000016c58-61.dat autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1404 set thread context of 2780 1404 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe 34 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
pid pid_target Process procid_target 2732 1156 WerFault.exe 31 3064 1520 WerFault.exe 41 -
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.
description ioc Process 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 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.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 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 3036 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3036 PING.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 2996 schtasks.exe 756 schtasks.exe 1784 schtasks.exe 2240 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1404 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe 1404 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2640 windef.exe -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1404 wrote to memory of 1156 1404 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe 31 PID 1404 wrote to memory of 1156 1404 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe 31 PID 1404 wrote to memory of 1156 1404 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe 31 PID 1404 wrote to memory of 1156 1404 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe 31 PID 1156 wrote to memory of 1928 1156 vnc.exe 32 PID 1156 wrote to memory of 1928 1156 vnc.exe 32 PID 1156 wrote to memory of 1928 1156 vnc.exe 32 PID 1156 wrote to memory of 1928 1156 vnc.exe 32 PID 1156 wrote to memory of 1928 1156 vnc.exe 32 PID 1404 wrote to memory of 2640 1404 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe 33 PID 1404 wrote to memory of 2640 1404 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe 33 PID 1404 wrote to memory of 2640 1404 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe 33 PID 1404 wrote to memory of 2640 1404 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe 33 PID 1404 wrote to memory of 2780 1404 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe 34 PID 1404 wrote to memory of 2780 1404 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe 34 PID 1404 wrote to memory of 2780 1404 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe 34 PID 1404 wrote to memory of 2780 1404 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe 34 PID 1404 wrote to memory of 2780 1404 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe 34 PID 1404 wrote to memory of 2780 1404 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe 34 PID 1404 wrote to memory of 2996 1404 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe 35 PID 1404 wrote to memory of 2996 1404 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe 35 PID 1404 wrote to memory of 2996 1404 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe 35 PID 1404 wrote to memory of 2996 1404 b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe 35 PID 1156 wrote to memory of 2732 1156 vnc.exe 37 PID 1156 wrote to memory of 2732 1156 vnc.exe 37 PID 1156 wrote to memory of 2732 1156 vnc.exe 37 PID 1156 wrote to memory of 2732 1156 vnc.exe 37 PID 2640 wrote to memory of 756 2640 windef.exe 39 PID 2640 wrote to memory of 756 2640 windef.exe 39 PID 2640 wrote to memory of 756 2640 windef.exe 39 PID 2640 wrote to memory of 756 2640 windef.exe 39 PID 2640 wrote to memory of 1520 2640 windef.exe 41 PID 2640 wrote to memory of 1520 2640 windef.exe 41 PID 2640 wrote to memory of 1520 2640 windef.exe 41 PID 2640 wrote to memory of 1520 2640 windef.exe 41
Processes
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C:\Users\Admin\AppData\Local\Temp\b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe"C:\Users\Admin\AppData\Local\Temp\b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.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:1404 -
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:1156 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:1928
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1156 -s 1603⤵
- Loads dropped DLL
- Program crash
PID:2732
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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:2640 -
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:756
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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
PID:1520 -
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:1784
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C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\lsTzWz2AofAa.bat" "4⤵PID:3040
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C:\Windows\SysWOW64\chcp.comchcp 650015⤵PID:996
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C:\Windows\SysWOW64\PING.EXEping -n 10 localhost5⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:3036
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1520 -s 15084⤵
- Program crash
PID:3064
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C:\Users\Admin\AppData\Local\Temp\b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe"C:\Users\Admin\AppData\Local\Temp\b83110e94dfe017a8b56e2d8c62cd1cc8625b3d51f1c00f0b3e2acf2993b686f.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2780
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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:2996
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C:\Windows\system32\taskeng.exetaskeng.exe {6231AF59-47E8-4B16-B783-77666832B416} S-1-5-21-3290804112-2823094203-3137964600-1000:VORHPBAB\Admin:Interactive:[1]1⤵PID:2956
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exeC:\Users\Admin\btpanui\SystemPropertiesPerformance.exe2⤵PID:2968
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C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"3⤵PID:2072
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k4⤵PID:1772
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C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"3⤵PID:908
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"3⤵PID:1500
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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:2240
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
208B
MD5477346df426aedfa2ca74578275b2e86
SHA146245a018c604fc738a19bbb283de1571d5e09b9
SHA2563249560dc19d25563a7c77b2e9b21ad7a8a6c16f05d93b7f7d89a99a5affb4b9
SHA5127d0dcffacdaf0afc2ad766f36b80457d283e5bfb5e2ab25aab66ec0eaa420571c29f8a784e43335df4c561bb7f51b266362f060b0c5805568ecdfcb588cda591
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Filesize
405KB
MD5b8ba87ee4c3fc085a2fed0d839aadce1
SHA1b3a2e3256406330e8b1779199bb2b9865122d766
SHA2564e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4
SHA5127a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2
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Filesize
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb
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Filesize
213B
MD54d1992a37a65071a5171b7035ff2c29a
SHA1b77ca70b27618a92467504d5c05015d2f3512909
SHA256f78ef11a5c0ff69531c364b0c79c5deed22140d6c8f0e33df3e92b3330ef0ce8
SHA5129ea78c46f042bb2b5057fcf89a686dcb452d5fe74e7364f6c4099258aa46a59340531d055aac637b8d2d6b0f7d406d57368056ec892df4278702883064030af3
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Filesize
2.0MB
MD5fedc675fdc0d9d273588e9ea4912ba6b
SHA1b0357ec1a1f6550655b5812ce20e37be89393abf
SHA256e6f90ee30131cada406d64b88fc0f8ff22a11136b3166af53c6b1cb4c5385012
SHA512de0335226ea55d90ca24489dc44bb82e9a4638015a61b110e5aa50a05e958b4969c55a5298a9f181b778323b5fcb5e79f8c69fedc1e6806070ad6dfa494bd662