Analysis
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max time kernel
3s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
17-09-2024 12:47
Behavioral task
behavioral1
Sample
b71b3534b0a78b04ca486d30825aa840d8116fe1.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b71b3534b0a78b04ca486d30825aa840d8116fe1.exe
Resource
win10v2004-20240802-en
General
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Target
b71b3534b0a78b04ca486d30825aa840d8116fe1.exe
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Size
2.0MB
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MD5
857c40553dce29df538ccadb3a3fd93a
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SHA1
b71b3534b0a78b04ca486d30825aa840d8116fe1
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SHA256
9e22b476c2dd9c5f2bc503dcb4fa1efcfe38c6758005297835fa8413c5855ea0
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SHA512
dfb4b85890131260b7f60e15a433674e657bffdb8a4da312c790988ab67a549b673da62cf3952c0c99ac3355e43bdc9c6d0986bba05e8cefc0129615385d6f5f
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYs:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YG
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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Quasar payload 5 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\windef.exe family_quasar behavioral1/memory/2948-46-0x0000000000320000-0x000000000037E000-memory.dmp family_quasar behavioral1/memory/1488-58-0x0000000001230000-0x000000000128E000-memory.dmp family_quasar C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe family_quasar behavioral1/memory/1284-98-0x0000000000160000-0x00000000001BE000-memory.dmp family_quasar -
Executes dropped EXE 3 IoCs
Processes:
vnc.exewindef.exewinsock.exepid process 1384 vnc.exe 2948 windef.exe 1488 winsock.exe -
Loads dropped DLL 13 IoCs
Processes:
b71b3534b0a78b04ca486d30825aa840d8116fe1.exeWerFault.exewindef.exepid process 1928 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe 1928 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe 1928 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe 1928 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe 1928 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe 1928 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe 1928 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe 1928 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe 2900 WerFault.exe 2900 WerFault.exe 2900 WerFault.exe 2900 WerFault.exe 2948 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:
b71b3534b0a78b04ca486d30825aa840d8116fe1.exedescription ioc process File opened (read-only) \??\v: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\x: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\b: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\i: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\l: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\o: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\r: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\a: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\e: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\g: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\m: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\y: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\z: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\k: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\n: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\q: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\t: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\u: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\h: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\j: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\p: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\s: b71b3534b0a78b04ca486d30825aa840d8116fe1.exe File opened (read-only) \??\w: b71b3534b0a78b04ca486d30825aa840d8116fe1.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 -
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 1 IoCs
Processes:
b71b3534b0a78b04ca486d30825aa840d8116fe1.exedescription pid process target process PID 1928 set thread context of 2744 1928 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe b71b3534b0a78b04ca486d30825aa840d8116fe1.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2900 1384 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:
b71b3534b0a78b04ca486d30825aa840d8116fe1.exevnc.exewindef.exeb71b3534b0a78b04ca486d30825aa840d8116fe1.exeschtasks.exeschtasks.exewinsock.exeschtasks.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b71b3534b0a78b04ca486d30825aa840d8116fe1.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 b71b3534b0a78b04ca486d30825aa840d8116fe1.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 schtasks.exe -
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 2748 schtasks.exe 680 schtasks.exe 2896 schtasks.exe 956 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
b71b3534b0a78b04ca486d30825aa840d8116fe1.exepid process 1928 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe 1928 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
windef.exewinsock.exedescription pid process Token: SeDebugPrivilege 2948 windef.exe Token: SeDebugPrivilege 1488 winsock.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
winsock.exepid process 1488 winsock.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
b71b3534b0a78b04ca486d30825aa840d8116fe1.exevnc.exewindef.exewinsock.exedescription pid process target process PID 1928 wrote to memory of 1384 1928 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe vnc.exe PID 1928 wrote to memory of 1384 1928 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe vnc.exe PID 1928 wrote to memory of 1384 1928 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe vnc.exe PID 1928 wrote to memory of 1384 1928 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe vnc.exe PID 1384 wrote to memory of 2068 1384 vnc.exe svchost.exe PID 1384 wrote to memory of 2068 1384 vnc.exe svchost.exe PID 1384 wrote to memory of 2068 1384 vnc.exe svchost.exe PID 1384 wrote to memory of 2068 1384 vnc.exe svchost.exe PID 1928 wrote to memory of 2948 1928 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe windef.exe PID 1928 wrote to memory of 2948 1928 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe windef.exe PID 1928 wrote to memory of 2948 1928 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe windef.exe PID 1928 wrote to memory of 2948 1928 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe windef.exe PID 1384 wrote to memory of 2068 1384 vnc.exe svchost.exe PID 1928 wrote to memory of 2744 1928 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe b71b3534b0a78b04ca486d30825aa840d8116fe1.exe PID 1928 wrote to memory of 2744 1928 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe b71b3534b0a78b04ca486d30825aa840d8116fe1.exe PID 1928 wrote to memory of 2744 1928 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe b71b3534b0a78b04ca486d30825aa840d8116fe1.exe PID 1928 wrote to memory of 2744 1928 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe b71b3534b0a78b04ca486d30825aa840d8116fe1.exe PID 1928 wrote to memory of 2744 1928 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe b71b3534b0a78b04ca486d30825aa840d8116fe1.exe PID 1928 wrote to memory of 2744 1928 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe b71b3534b0a78b04ca486d30825aa840d8116fe1.exe PID 1928 wrote to memory of 2748 1928 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe schtasks.exe PID 1928 wrote to memory of 2748 1928 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe schtasks.exe PID 1928 wrote to memory of 2748 1928 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe schtasks.exe PID 1928 wrote to memory of 2748 1928 b71b3534b0a78b04ca486d30825aa840d8116fe1.exe schtasks.exe PID 1384 wrote to memory of 2900 1384 vnc.exe WerFault.exe PID 1384 wrote to memory of 2900 1384 vnc.exe WerFault.exe PID 1384 wrote to memory of 2900 1384 vnc.exe WerFault.exe PID 1384 wrote to memory of 2900 1384 vnc.exe WerFault.exe PID 2948 wrote to memory of 680 2948 windef.exe schtasks.exe PID 2948 wrote to memory of 680 2948 windef.exe schtasks.exe PID 2948 wrote to memory of 680 2948 windef.exe schtasks.exe PID 2948 wrote to memory of 680 2948 windef.exe schtasks.exe PID 2948 wrote to memory of 1488 2948 windef.exe winsock.exe PID 2948 wrote to memory of 1488 2948 windef.exe winsock.exe PID 2948 wrote to memory of 1488 2948 windef.exe winsock.exe PID 2948 wrote to memory of 1488 2948 windef.exe winsock.exe PID 1488 wrote to memory of 2896 1488 winsock.exe schtasks.exe PID 1488 wrote to memory of 2896 1488 winsock.exe schtasks.exe PID 1488 wrote to memory of 2896 1488 winsock.exe schtasks.exe PID 1488 wrote to memory of 2896 1488 winsock.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b71b3534b0a78b04ca486d30825aa840d8116fe1.exe"C:\Users\Admin\AppData\Local\Temp\b71b3534b0a78b04ca486d30825aa840d8116fe1.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:1928 -
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:1384 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:2068
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1384 -s 1603⤵
- Loads dropped DLL
- Program crash
PID:2900
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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:2948 -
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:680
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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
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1488 -
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:2896
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C:\Users\Admin\AppData\Local\Temp\b71b3534b0a78b04ca486d30825aa840d8116fe1.exe"C:\Users\Admin\AppData\Local\Temp\b71b3534b0a78b04ca486d30825aa840d8116fe1.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2744
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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:2748
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C:\Windows\system32\taskeng.exetaskeng.exe {294AA44D-B6D9-4289-A98D-96EFD7004113} S-1-5-21-4177215427-74451935-3209572229-1000:JSMURNPT\Admin:Interactive:[1]1⤵PID:1592
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exeC:\Users\Admin\btpanui\SystemPropertiesPerformance.exe2⤵PID:1160
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C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"3⤵PID:2228
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k4⤵PID:2184
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C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"3⤵PID:1284
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"3⤵PID:2356
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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:956
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
211B
MD5d9968bb5ffc81de3e8c2daa6710addc0
SHA11f5ec75f6102bd3695c3752850b896803ca121b0
SHA256de45091a925b9edf1887b19738d4646b84faefc5baab8a2ef787189b1b3aa183
SHA512023bdcb4a9874311cc031dfc725c44681386ad0bf621425a36a9a80f1205052ca1335c8a6fae565cb13cb62666a8e9e7911e2b13b99593946480dffff8102aaf
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Filesize
2.0MB
MD588fd74b9ecd99ed1417040e4d44381b5
SHA1376aa7f720acbd638c395d4896886955dc45e28a
SHA2563b326cf9c8fc0a45c38f2596f598836bb0a7c215ac7450ae0cb71907e7a66b97
SHA512d5e70eff12f6d41d792b3cc82a18bad7f18bd7c848a5b5f4751786b740fdfd9a33e70c589ac7accbea2e1309cd8d14701a9416d80d48172631dfbaec6172995c
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Filesize
405KB
MD5b8ba87ee4c3fc085a2fed0d839aadce1
SHA1b3a2e3256406330e8b1779199bb2b9865122d766
SHA2564e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4
SHA5127a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2
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Filesize
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb