Analysis
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max time kernel
4s -
max time network
81s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
05-08-2024 15:40
Behavioral task
behavioral1
Sample
a8930f55de1877dfa6d4638f00d165e0N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
a8930f55de1877dfa6d4638f00d165e0N.exe
Resource
win10v2004-20240802-en
General
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Target
a8930f55de1877dfa6d4638f00d165e0N.exe
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Size
2.0MB
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MD5
a8930f55de1877dfa6d4638f00d165e0
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SHA1
2e5735bf1eeb36b07874b46e56c06a2c88348120
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SHA256
f8ff95209e711a92989400082995195eec6fef1f9f1555771c0b855352c4b111
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SHA512
b732723d5f07a1a9c8820e8ab9e1d7878cc713f32a81c6d2feb583f7f68510a40d399554944c4422fc8ffd1356b31b1b5beaf3c39997fd56bfe0f82eba56d19a
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYF:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yz
Malware Config
Extracted
azorult
http://0x21.in:8000/_az/
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
Signatures
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Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
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Processes:
a8930f55de1877dfa6d4638f00d165e0N.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a8930f55de1877dfa6d4638f00d165e0N.exe 4 ip-api.com 36 api.ipify.org -
Quasar payload 3 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\windef.exe family_quasar behavioral2/memory/1832-31-0x0000000000060000-0x00000000000BE000-memory.dmp family_quasar C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe family_quasar -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
a8930f55de1877dfa6d4638f00d165e0N.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation a8930f55de1877dfa6d4638f00d165e0N.exe -
Executes dropped EXE 3 IoCs
Processes:
vnc.exewindef.exewinsock.exepid process 4520 vnc.exe 1832 windef.exe 4692 winsock.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
a8930f55de1877dfa6d4638f00d165e0N.exedescription ioc process File opened (read-only) \??\r: a8930f55de1877dfa6d4638f00d165e0N.exe File opened (read-only) \??\s: a8930f55de1877dfa6d4638f00d165e0N.exe File opened (read-only) \??\i: a8930f55de1877dfa6d4638f00d165e0N.exe File opened (read-only) \??\j: a8930f55de1877dfa6d4638f00d165e0N.exe File opened (read-only) \??\k: a8930f55de1877dfa6d4638f00d165e0N.exe File opened (read-only) \??\l: a8930f55de1877dfa6d4638f00d165e0N.exe File opened (read-only) \??\m: a8930f55de1877dfa6d4638f00d165e0N.exe File opened (read-only) \??\o: a8930f55de1877dfa6d4638f00d165e0N.exe File opened (read-only) \??\t: a8930f55de1877dfa6d4638f00d165e0N.exe File opened (read-only) \??\v: a8930f55de1877dfa6d4638f00d165e0N.exe File opened (read-only) \??\x: a8930f55de1877dfa6d4638f00d165e0N.exe File opened (read-only) \??\b: a8930f55de1877dfa6d4638f00d165e0N.exe File opened (read-only) \??\g: a8930f55de1877dfa6d4638f00d165e0N.exe File opened (read-only) \??\u: a8930f55de1877dfa6d4638f00d165e0N.exe File opened (read-only) \??\a: a8930f55de1877dfa6d4638f00d165e0N.exe File opened (read-only) \??\p: a8930f55de1877dfa6d4638f00d165e0N.exe File opened (read-only) \??\q: a8930f55de1877dfa6d4638f00d165e0N.exe File opened (read-only) \??\w: a8930f55de1877dfa6d4638f00d165e0N.exe File opened (read-only) \??\z: a8930f55de1877dfa6d4638f00d165e0N.exe File opened (read-only) \??\e: a8930f55de1877dfa6d4638f00d165e0N.exe File opened (read-only) \??\h: a8930f55de1877dfa6d4638f00d165e0N.exe File opened (read-only) \??\n: a8930f55de1877dfa6d4638f00d165e0N.exe File opened (read-only) \??\y: a8930f55de1877dfa6d4638f00d165e0N.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 ip-api.com 36 api.ipify.org -
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:
a8930f55de1877dfa6d4638f00d165e0N.exedescription pid process target process PID 732 set thread context of 1380 732 a8930f55de1877dfa6d4638f00d165e0N.exe a8930f55de1877dfa6d4638f00d165e0N.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 3 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exepid pid_target process target process 4984 4520 WerFault.exe vnc.exe 3528 4692 WerFault.exe winsock.exe 4600 1424 WerFault.exe vnc.exe -
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:
a8930f55de1877dfa6d4638f00d165e0N.exevnc.exewindef.exea8930f55de1877dfa6d4638f00d165e0N.exeschtasks.exeschtasks.exewinsock.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a8930f55de1877dfa6d4638f00d165e0N.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 a8930f55de1877dfa6d4638f00d165e0N.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 -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
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Runs ping.exe 1 TTPs 1 IoCs
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Scheduled Task/Job: Scheduled Task 1 TTPs 5 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exepid process 112 schtasks.exe 3712 schtasks.exe 3920 schtasks.exe 4976 schtasks.exe 2932 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
a8930f55de1877dfa6d4638f00d165e0N.exepid process 732 a8930f55de1877dfa6d4638f00d165e0N.exe 732 a8930f55de1877dfa6d4638f00d165e0N.exe 732 a8930f55de1877dfa6d4638f00d165e0N.exe 732 a8930f55de1877dfa6d4638f00d165e0N.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
windef.exewinsock.exedescription pid process Token: SeDebugPrivilege 1832 windef.exe Token: SeDebugPrivilege 4692 winsock.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
a8930f55de1877dfa6d4638f00d165e0N.exevnc.exewindef.exedescription pid process target process PID 732 wrote to memory of 4520 732 a8930f55de1877dfa6d4638f00d165e0N.exe vnc.exe PID 732 wrote to memory of 4520 732 a8930f55de1877dfa6d4638f00d165e0N.exe vnc.exe PID 732 wrote to memory of 4520 732 a8930f55de1877dfa6d4638f00d165e0N.exe vnc.exe PID 4520 wrote to memory of 3096 4520 vnc.exe svchost.exe PID 4520 wrote to memory of 3096 4520 vnc.exe svchost.exe PID 732 wrote to memory of 1832 732 a8930f55de1877dfa6d4638f00d165e0N.exe windef.exe PID 732 wrote to memory of 1832 732 a8930f55de1877dfa6d4638f00d165e0N.exe windef.exe PID 732 wrote to memory of 1832 732 a8930f55de1877dfa6d4638f00d165e0N.exe windef.exe PID 4520 wrote to memory of 3096 4520 vnc.exe svchost.exe PID 732 wrote to memory of 1380 732 a8930f55de1877dfa6d4638f00d165e0N.exe a8930f55de1877dfa6d4638f00d165e0N.exe PID 732 wrote to memory of 1380 732 a8930f55de1877dfa6d4638f00d165e0N.exe a8930f55de1877dfa6d4638f00d165e0N.exe PID 732 wrote to memory of 1380 732 a8930f55de1877dfa6d4638f00d165e0N.exe a8930f55de1877dfa6d4638f00d165e0N.exe PID 732 wrote to memory of 1380 732 a8930f55de1877dfa6d4638f00d165e0N.exe a8930f55de1877dfa6d4638f00d165e0N.exe PID 732 wrote to memory of 1380 732 a8930f55de1877dfa6d4638f00d165e0N.exe a8930f55de1877dfa6d4638f00d165e0N.exe PID 732 wrote to memory of 3920 732 a8930f55de1877dfa6d4638f00d165e0N.exe schtasks.exe PID 732 wrote to memory of 3920 732 a8930f55de1877dfa6d4638f00d165e0N.exe schtasks.exe PID 732 wrote to memory of 3920 732 a8930f55de1877dfa6d4638f00d165e0N.exe schtasks.exe PID 1832 wrote to memory of 4976 1832 windef.exe schtasks.exe PID 1832 wrote to memory of 4976 1832 windef.exe schtasks.exe PID 1832 wrote to memory of 4976 1832 windef.exe schtasks.exe PID 1832 wrote to memory of 4692 1832 windef.exe winsock.exe PID 1832 wrote to memory of 4692 1832 windef.exe winsock.exe PID 1832 wrote to memory of 4692 1832 windef.exe winsock.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a8930f55de1877dfa6d4638f00d165e0N.exe"C:\Users\Admin\AppData\Local\Temp\a8930f55de1877dfa6d4638f00d165e0N.exe"1⤵
- Quasar RAT
- Checks computer location settings
- Enumerates connected drives
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:732 -
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:4520 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:3096
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4520 -s 5563⤵
- Program crash
PID:4984 -
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
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1832 -
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:4976 -
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:4692 -
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:2932 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8utj53rfuJSk.bat" "4⤵PID:4908
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C:\Windows\SysWOW64\chcp.comchcp 650015⤵PID:4344
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C:\Windows\SysWOW64\PING.EXEping -n 10 localhost5⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:544 -
C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"5⤵PID:1376
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C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe" /rl HIGHEST /f6⤵
- Scheduled Task/Job: Scheduled Task
PID:3712 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4692 -s 22524⤵
- Program crash
PID:3528 -
C:\Users\Admin\AppData\Local\Temp\a8930f55de1877dfa6d4638f00d165e0N.exe"C:\Users\Admin\AppData\Local\Temp\a8930f55de1877dfa6d4638f00d165e0N.exe"2⤵
- System Location Discovery: System Language Discovery
PID:1380 -
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:3920
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4520 -ip 45201⤵PID:4424
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4692 -ip 46921⤵PID:2284
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exeC:\Users\Admin\btpanui\SystemPropertiesPerformance.exe1⤵PID:4612
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C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"2⤵PID:1424
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:3736
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1424 -s 5203⤵
- Program crash
PID:4600 -
C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"2⤵PID:1584
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"2⤵PID:3260
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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⤵
- Scheduled Task/Job: Scheduled Task
PID:112
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1424 -ip 14241⤵PID:2392
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C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service1⤵PID:1892
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C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service1⤵PID:2844
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD510eab9c2684febb5327b6976f2047587
SHA1a12ed54146a7f5c4c580416aecb899549712449e
SHA256f49dbd55029bfbc15134f7c6a4f967d6c39142c63f2e8f1f8c78fab108a2c928
SHA5127e5fd90fffae723bd0c662a90e0730b507805f072771ee673d1d8c262dbf60c8a03ba5fe088f699a97c2e886380de158b2ccd59ee62e3d012dd6dd14ea9d0e50
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Filesize
208B
MD53169dd5564b9aae206634a1e3a6a5099
SHA17ccf90f5833cf1093101f0bfd0bb431964b07844
SHA25625a8a549205a8afec74b85656323051e7e25852435d153598c4c1e2e4ca97bfb
SHA5120511af526e96c5e3df93b719a97d0f592e7fbd0483aee999fc8eb640f963dfad47ff3f3f6662bcd398614c74bbfafd20f5bbc8e1a2521a3f70804403d7f92f01
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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
224B
MD56b450328434f134d44fd30a3e9ce25b1
SHA116b491928aa365070e6edcb65a98d432a38f89c8
SHA256d64769de5fe6b019f853a0725be4623042bd1b21342a837da6bb28bf8793e3be
SHA512b930ff43abd3242fc9dc979fc5a918d7a67c3b114cfadb6b4af904d99abc53f6a4e196963555b60c43cbc1159176ba878ee94a69f363efd296cadda28d3bb1f7
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Filesize
2.0MB
MD5be424646c6200917d814905d05caf9d2
SHA163f6bc105dc9398fe0878de09b8cd30164b83e88
SHA25690f980fb6a68d7e548e37928aa829c61d4391a9a07b9b2388f39be1cbbb625a8
SHA512156f9a33aca57291aea7f22df9313c0b39b6f9b4f36915297c8e98b3a0930ad061f84aa15e6b5050d1fdc8c8b5a1b207088b298577ff4e91a036e1cd46bbb8ae