Analysis
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max time kernel
3s -
max time network
114s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
10-09-2024 17:41
Behavioral task
behavioral1
Sample
3852d7f5fb3c84342d790accb0ed21c0N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
3852d7f5fb3c84342d790accb0ed21c0N.exe
Resource
win10v2004-20240802-en
General
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Target
3852d7f5fb3c84342d790accb0ed21c0N.exe
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Size
2.0MB
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MD5
3852d7f5fb3c84342d790accb0ed21c0
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SHA1
7b752dd550f424c3b5b125db6cc97375c6322e9b
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SHA256
f14b8506a06b0c6171be299229825157313c7c904d599f93bfbabe7454ceed16
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SHA512
021ec5bdd690307446a7b87603b6768583c3696025550ca02003aedc51ca8f6753c3ed778c57a432c704c08d14543ab80bf1448b03bd176596c782b952919c9f
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYf:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YN
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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description flow ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3852d7f5fb3c84342d790accb0ed21c0N.exe 6 ip-api.com Process not Found 13 api.ipify.org Process not Found -
Quasar payload 4 IoCs
resource yara_rule behavioral1/files/0x0008000000015d81-26.dat family_quasar behavioral1/memory/2660-46-0x0000000001010000-0x000000000106E000-memory.dmp family_quasar behavioral1/files/0x0007000000015ec9-55.dat family_quasar behavioral1/memory/920-99-0x0000000001210000-0x000000000126E000-memory.dmp family_quasar -
Executes dropped EXE 2 IoCs
pid Process 2628 vnc.exe 2660 windef.exe -
Loads dropped DLL 8 IoCs
pid Process 2856 3852d7f5fb3c84342d790accb0ed21c0N.exe 2856 3852d7f5fb3c84342d790accb0ed21c0N.exe 2856 3852d7f5fb3c84342d790accb0ed21c0N.exe 2856 3852d7f5fb3c84342d790accb0ed21c0N.exe 2856 3852d7f5fb3c84342d790accb0ed21c0N.exe 2856 3852d7f5fb3c84342d790accb0ed21c0N.exe 2856 3852d7f5fb3c84342d790accb0ed21c0N.exe 2856 3852d7f5fb3c84342d790accb0ed21c0N.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) \??\q: 3852d7f5fb3c84342d790accb0ed21c0N.exe File opened (read-only) \??\s: 3852d7f5fb3c84342d790accb0ed21c0N.exe File opened (read-only) \??\t: 3852d7f5fb3c84342d790accb0ed21c0N.exe File opened (read-only) \??\v: 3852d7f5fb3c84342d790accb0ed21c0N.exe File opened (read-only) \??\y: 3852d7f5fb3c84342d790accb0ed21c0N.exe File opened (read-only) \??\g: 3852d7f5fb3c84342d790accb0ed21c0N.exe File opened (read-only) \??\m: 3852d7f5fb3c84342d790accb0ed21c0N.exe File opened (read-only) \??\n: 3852d7f5fb3c84342d790accb0ed21c0N.exe File opened (read-only) \??\r: 3852d7f5fb3c84342d790accb0ed21c0N.exe File opened (read-only) \??\a: 3852d7f5fb3c84342d790accb0ed21c0N.exe File opened (read-only) \??\b: 3852d7f5fb3c84342d790accb0ed21c0N.exe File opened (read-only) \??\i: 3852d7f5fb3c84342d790accb0ed21c0N.exe File opened (read-only) \??\p: 3852d7f5fb3c84342d790accb0ed21c0N.exe File opened (read-only) \??\w: 3852d7f5fb3c84342d790accb0ed21c0N.exe File opened (read-only) \??\z: 3852d7f5fb3c84342d790accb0ed21c0N.exe File opened (read-only) \??\e: 3852d7f5fb3c84342d790accb0ed21c0N.exe File opened (read-only) \??\j: 3852d7f5fb3c84342d790accb0ed21c0N.exe File opened (read-only) \??\o: 3852d7f5fb3c84342d790accb0ed21c0N.exe File opened (read-only) \??\u: 3852d7f5fb3c84342d790accb0ed21c0N.exe File opened (read-only) \??\x: 3852d7f5fb3c84342d790accb0ed21c0N.exe File opened (read-only) \??\h: 3852d7f5fb3c84342d790accb0ed21c0N.exe File opened (read-only) \??\k: 3852d7f5fb3c84342d790accb0ed21c0N.exe File opened (read-only) \??\l: 3852d7f5fb3c84342d790accb0ed21c0N.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.
flow ioc 6 ip-api.com 13 api.ipify.org -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum svchost.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 svchost.exe -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral1/files/0x0007000000015ec9-55.dat autoit_exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2856 set thread context of 2672 2856 3852d7f5fb3c84342d790accb0ed21c0N.exe 33 PID 2628 set thread context of 3068 2628 vnc.exe 31 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 2112 2296 WerFault.exe 40 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language windef.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3852d7f5fb3c84342d790accb0ed21c0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vnc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3852d7f5fb3c84342d790accb0ed21c0N.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2480 schtasks.exe 1936 schtasks.exe 2500 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2856 3852d7f5fb3c84342d790accb0ed21c0N.exe 2856 3852d7f5fb3c84342d790accb0ed21c0N.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2628 vnc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2660 windef.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 2856 wrote to memory of 2628 2856 3852d7f5fb3c84342d790accb0ed21c0N.exe 30 PID 2856 wrote to memory of 2628 2856 3852d7f5fb3c84342d790accb0ed21c0N.exe 30 PID 2856 wrote to memory of 2628 2856 3852d7f5fb3c84342d790accb0ed21c0N.exe 30 PID 2856 wrote to memory of 2628 2856 3852d7f5fb3c84342d790accb0ed21c0N.exe 30 PID 2628 wrote to memory of 3068 2628 vnc.exe 31 PID 2628 wrote to memory of 3068 2628 vnc.exe 31 PID 2628 wrote to memory of 3068 2628 vnc.exe 31 PID 2628 wrote to memory of 3068 2628 vnc.exe 31 PID 2628 wrote to memory of 3068 2628 vnc.exe 31 PID 2856 wrote to memory of 2660 2856 3852d7f5fb3c84342d790accb0ed21c0N.exe 32 PID 2856 wrote to memory of 2660 2856 3852d7f5fb3c84342d790accb0ed21c0N.exe 32 PID 2856 wrote to memory of 2660 2856 3852d7f5fb3c84342d790accb0ed21c0N.exe 32 PID 2856 wrote to memory of 2660 2856 3852d7f5fb3c84342d790accb0ed21c0N.exe 32 PID 2856 wrote to memory of 2672 2856 3852d7f5fb3c84342d790accb0ed21c0N.exe 33 PID 2856 wrote to memory of 2672 2856 3852d7f5fb3c84342d790accb0ed21c0N.exe 33 PID 2856 wrote to memory of 2672 2856 3852d7f5fb3c84342d790accb0ed21c0N.exe 33 PID 2856 wrote to memory of 2672 2856 3852d7f5fb3c84342d790accb0ed21c0N.exe 33 PID 2856 wrote to memory of 2672 2856 3852d7f5fb3c84342d790accb0ed21c0N.exe 33 PID 2856 wrote to memory of 2672 2856 3852d7f5fb3c84342d790accb0ed21c0N.exe 33 PID 2856 wrote to memory of 2480 2856 3852d7f5fb3c84342d790accb0ed21c0N.exe 34 PID 2856 wrote to memory of 2480 2856 3852d7f5fb3c84342d790accb0ed21c0N.exe 34 PID 2856 wrote to memory of 2480 2856 3852d7f5fb3c84342d790accb0ed21c0N.exe 34 PID 2856 wrote to memory of 2480 2856 3852d7f5fb3c84342d790accb0ed21c0N.exe 34 PID 2628 wrote to memory of 3068 2628 vnc.exe 31 PID 2628 wrote to memory of 3068 2628 vnc.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\3852d7f5fb3c84342d790accb0ed21c0N.exe"C:\Users\Admin\AppData\Local\Temp\3852d7f5fb3c84342d790accb0ed21c0N.exe"1⤵
- Quasar RAT
- Loads dropped DLL
- Enumerates connected drives
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2856 -
C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2628 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵
- Maps connected drives based on registry
PID:3068
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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
PID:2660 -
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:2500
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C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"3⤵PID:920
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C:\Users\Admin\AppData\Local\Temp\3852d7f5fb3c84342d790accb0ed21c0N.exe"C:\Users\Admin\AppData\Local\Temp\3852d7f5fb3c84342d790accb0ed21c0N.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2672
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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:2480
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C:\Windows\system32\taskeng.exetaskeng.exe {B4B4A532-3185-4C80-92E7-3460966E18D6} S-1-5-21-4177215427-74451935-3209572229-1000:JSMURNPT\Admin:Interactive:[1]1⤵PID:2968
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exeC:\Users\Admin\btpanui\SystemPropertiesPerformance.exe2⤵PID:2380
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C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"3⤵PID:2296
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k4⤵PID:2044
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2296 -s 1604⤵
- Program crash
PID:2112
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C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"3⤵PID:1880
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"3⤵PID:1152
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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:1936
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
405KB
MD5b8ba87ee4c3fc085a2fed0d839aadce1
SHA1b3a2e3256406330e8b1779199bb2b9865122d766
SHA2564e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4
SHA5127a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2
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Filesize
2.0MB
MD5ce091f3a927cbe333c3bde3809e3040c
SHA1be6068d7adf8224357a2c58f91ee84d97c5cfcef
SHA2566237eaf379f2fe1888088a2bf6cf236634dd623cf5f4329e1ef925b75937ae54
SHA5126c4922fa16a10032b254418128c6eeb27b30d0daac7183d459276e1769e2e2c52826f11466e34ec483b91470c3a3ecd7c8c0bb2c5600fbd47f5ca06c5d31b2f9
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Filesize
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb