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Analysis
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max time kernel
4s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
29/08/2024, 03:31
Behavioral task
behavioral1
Sample
a56606365d303a4336b6311b99b02bc0N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
a56606365d303a4336b6311b99b02bc0N.exe
Resource
win10v2004-20240802-en
General
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Target
a56606365d303a4336b6311b99b02bc0N.exe
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Size
2.0MB
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MD5
a56606365d303a4336b6311b99b02bc0
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SHA1
d089b087c9b3f76c97c063dfe2ba8254de1ab182
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SHA256
ecb461309cbbaa643f4c19ebea02effb5c99600c10862cf8695063133f98091b
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SHA512
c1fcb50a9856b20cdebf1c96b5539a6bfaeb6d7ad02dfd4c5ee039b3e6fde947203727b996569d8edee7bb3bcd9971d3f4d2f56b432bf2b4cc0953b566901e95
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYi:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y0
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 3 IoCs
resource yara_rule behavioral1/files/0x0008000000015d13-17.dat family_quasar behavioral1/memory/1668-32-0x0000000000D10000-0x0000000000D6E000-memory.dmp family_quasar behavioral1/memory/2596-63-0x0000000000C80000-0x0000000000CDE000-memory.dmp family_quasar -
Executes dropped EXE 3 IoCs
pid Process 2896 vnc.exe 1668 windef.exe 2596 winsock.exe -
Loads dropped DLL 9 IoCs
pid Process 1916 a56606365d303a4336b6311b99b02bc0N.exe 1916 a56606365d303a4336b6311b99b02bc0N.exe 1916 a56606365d303a4336b6311b99b02bc0N.exe 1916 a56606365d303a4336b6311b99b02bc0N.exe 1916 a56606365d303a4336b6311b99b02bc0N.exe 1916 a56606365d303a4336b6311b99b02bc0N.exe 1916 a56606365d303a4336b6311b99b02bc0N.exe 1916 a56606365d303a4336b6311b99b02bc0N.exe 1668 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) \??\g: a56606365d303a4336b6311b99b02bc0N.exe File opened (read-only) \??\h: a56606365d303a4336b6311b99b02bc0N.exe File opened (read-only) \??\y: a56606365d303a4336b6311b99b02bc0N.exe File opened (read-only) \??\z: a56606365d303a4336b6311b99b02bc0N.exe File opened (read-only) \??\p: a56606365d303a4336b6311b99b02bc0N.exe File opened (read-only) \??\t: a56606365d303a4336b6311b99b02bc0N.exe File opened (read-only) \??\j: a56606365d303a4336b6311b99b02bc0N.exe File opened (read-only) \??\l: a56606365d303a4336b6311b99b02bc0N.exe File opened (read-only) \??\n: a56606365d303a4336b6311b99b02bc0N.exe File opened (read-only) \??\o: a56606365d303a4336b6311b99b02bc0N.exe File opened (read-only) \??\u: a56606365d303a4336b6311b99b02bc0N.exe File opened (read-only) \??\v: a56606365d303a4336b6311b99b02bc0N.exe File opened (read-only) \??\w: a56606365d303a4336b6311b99b02bc0N.exe File opened (read-only) \??\x: a56606365d303a4336b6311b99b02bc0N.exe File opened (read-only) \??\i: a56606365d303a4336b6311b99b02bc0N.exe File opened (read-only) \??\k: a56606365d303a4336b6311b99b02bc0N.exe File opened (read-only) \??\m: a56606365d303a4336b6311b99b02bc0N.exe File opened (read-only) \??\q: a56606365d303a4336b6311b99b02bc0N.exe File opened (read-only) \??\s: a56606365d303a4336b6311b99b02bc0N.exe File opened (read-only) \??\a: a56606365d303a4336b6311b99b02bc0N.exe File opened (read-only) \??\b: a56606365d303a4336b6311b99b02bc0N.exe File opened (read-only) \??\e: a56606365d303a4336b6311b99b02bc0N.exe File opened (read-only) \??\r: a56606365d303a4336b6311b99b02bc0N.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 5 ip-api.com -
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 -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1916 set thread context of 3016 1916 a56606365d303a4336b6311b99b02bc0N.exe 31 PID 2896 set thread context of 2844 2896 vnc.exe 29 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 a56606365d303a4336b6311b99b02bc0N.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 a56606365d303a4336b6311b99b02bc0N.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 -
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 2624 schtasks.exe 2508 schtasks.exe 2148 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1916 a56606365d303a4336b6311b99b02bc0N.exe 1916 a56606365d303a4336b6311b99b02bc0N.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2896 vnc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1668 windef.exe Token: SeDebugPrivilege 2596 winsock.exe -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 1916 wrote to memory of 2896 1916 a56606365d303a4336b6311b99b02bc0N.exe 28 PID 1916 wrote to memory of 2896 1916 a56606365d303a4336b6311b99b02bc0N.exe 28 PID 1916 wrote to memory of 2896 1916 a56606365d303a4336b6311b99b02bc0N.exe 28 PID 1916 wrote to memory of 2896 1916 a56606365d303a4336b6311b99b02bc0N.exe 28 PID 2896 wrote to memory of 2844 2896 vnc.exe 29 PID 2896 wrote to memory of 2844 2896 vnc.exe 29 PID 2896 wrote to memory of 2844 2896 vnc.exe 29 PID 2896 wrote to memory of 2844 2896 vnc.exe 29 PID 2896 wrote to memory of 2844 2896 vnc.exe 29 PID 1916 wrote to memory of 1668 1916 a56606365d303a4336b6311b99b02bc0N.exe 30 PID 1916 wrote to memory of 1668 1916 a56606365d303a4336b6311b99b02bc0N.exe 30 PID 1916 wrote to memory of 1668 1916 a56606365d303a4336b6311b99b02bc0N.exe 30 PID 1916 wrote to memory of 1668 1916 a56606365d303a4336b6311b99b02bc0N.exe 30 PID 1916 wrote to memory of 3016 1916 a56606365d303a4336b6311b99b02bc0N.exe 31 PID 1916 wrote to memory of 3016 1916 a56606365d303a4336b6311b99b02bc0N.exe 31 PID 1916 wrote to memory of 3016 1916 a56606365d303a4336b6311b99b02bc0N.exe 31 PID 1916 wrote to memory of 3016 1916 a56606365d303a4336b6311b99b02bc0N.exe 31 PID 1916 wrote to memory of 3016 1916 a56606365d303a4336b6311b99b02bc0N.exe 31 PID 1916 wrote to memory of 3016 1916 a56606365d303a4336b6311b99b02bc0N.exe 31 PID 2896 wrote to memory of 2844 2896 vnc.exe 29 PID 1916 wrote to memory of 2624 1916 a56606365d303a4336b6311b99b02bc0N.exe 32 PID 1916 wrote to memory of 2624 1916 a56606365d303a4336b6311b99b02bc0N.exe 32 PID 1916 wrote to memory of 2624 1916 a56606365d303a4336b6311b99b02bc0N.exe 32 PID 1916 wrote to memory of 2624 1916 a56606365d303a4336b6311b99b02bc0N.exe 32 PID 2896 wrote to memory of 2844 2896 vnc.exe 29 PID 1668 wrote to memory of 2508 1668 windef.exe 35 PID 1668 wrote to memory of 2508 1668 windef.exe 35 PID 1668 wrote to memory of 2508 1668 windef.exe 35 PID 1668 wrote to memory of 2508 1668 windef.exe 35 PID 1668 wrote to memory of 2596 1668 windef.exe 37 PID 1668 wrote to memory of 2596 1668 windef.exe 37 PID 1668 wrote to memory of 2596 1668 windef.exe 37 PID 1668 wrote to memory of 2596 1668 windef.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\a56606365d303a4336b6311b99b02bc0N.exe"C:\Users\Admin\AppData\Local\Temp\a56606365d303a4336b6311b99b02bc0N.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:1916 -
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:2896 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵
- Maps connected drives based on registry
PID:2844
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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:1668 -
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:2508
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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
PID:2596 -
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:2148
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C:\Users\Admin\AppData\Local\Temp\a56606365d303a4336b6311b99b02bc0N.exe"C:\Users\Admin\AppData\Local\Temp\a56606365d303a4336b6311b99b02bc0N.exe"2⤵
- System Location Discovery: System Language Discovery
PID:3016
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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:2624
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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
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb