Analysis
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max time kernel
3s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
15-01-2025 08:41
Behavioral task
behavioral1
Sample
d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe
Resource
win10v2004-20241007-en
General
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Target
d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe
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Size
2.0MB
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MD5
1c8124fd503c6498eb007538a1021388
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SHA1
ac8608d293fb8cee7e2ce7bb1c6a71e6ea897fb6
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SHA256
d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4
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SHA512
53541b37f7e65dd984c0f6cf7164e06b5e40bb72ee029e6e2716283d66162d869acaa9028258aa3eed4a3f7d799d102ff2701eb0397db97a21c6fa2072b56dbe
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYL:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YJ
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 3 IoCs
resource yara_rule behavioral1/files/0x0007000000016d33-26.dat family_quasar behavioral1/memory/2760-46-0x0000000000F50000-0x0000000000FAE000-memory.dmp family_quasar behavioral1/memory/2864-64-0x0000000000010000-0x000000000006E000-memory.dmp family_quasar -
Executes dropped EXE 3 IoCs
pid Process 2200 vnc.exe 2760 windef.exe 2864 winsock.exe -
Loads dropped DLL 9 IoCs
pid Process 2936 d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe 2936 d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe 2936 d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe 2936 d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe 2936 d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe 2936 d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe 2936 d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe 2936 d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe 2760 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) \??\r: d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe File opened (read-only) \??\t: d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe File opened (read-only) \??\v: d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe File opened (read-only) \??\y: d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe File opened (read-only) \??\z: d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe File opened (read-only) \??\i: d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe File opened (read-only) \??\k: d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe File opened (read-only) \??\q: d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe File opened (read-only) \??\n: d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe File opened (read-only) \??\u: d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe File opened (read-only) \??\x: d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe File opened (read-only) \??\e: d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe File opened (read-only) \??\g: d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe File opened (read-only) \??\j: d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe File opened (read-only) \??\h: d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe File opened (read-only) \??\w: d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe File opened (read-only) \??\m: d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe File opened (read-only) \??\o: d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe File opened (read-only) \??\p: d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe File opened (read-only) \??\s: d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe File opened (read-only) \??\a: d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe File opened (read-only) \??\b: d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe File opened (read-only) \??\l: d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.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 8 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 2936 set thread context of 2764 2936 d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe 33 PID 2200 set thread context of 2908 2200 vnc.exe 31 -
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 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 d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vnc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language windef.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 2656 schtasks.exe 764 schtasks.exe 1052 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2936 d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe 2936 d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2200 vnc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2760 windef.exe Token: SeDebugPrivilege 2864 winsock.exe -
Suspicious use of WriteProcessMemory 37 IoCs
description pid Process procid_target PID 2936 wrote to memory of 2200 2936 d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe 30 PID 2936 wrote to memory of 2200 2936 d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe 30 PID 2936 wrote to memory of 2200 2936 d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe 30 PID 2936 wrote to memory of 2200 2936 d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe 30 PID 2200 wrote to memory of 2908 2200 vnc.exe 31 PID 2200 wrote to memory of 2908 2200 vnc.exe 31 PID 2200 wrote to memory of 2908 2200 vnc.exe 31 PID 2200 wrote to memory of 2908 2200 vnc.exe 31 PID 2200 wrote to memory of 2908 2200 vnc.exe 31 PID 2936 wrote to memory of 2760 2936 d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe 32 PID 2936 wrote to memory of 2760 2936 d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe 32 PID 2936 wrote to memory of 2760 2936 d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe 32 PID 2936 wrote to memory of 2760 2936 d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe 32 PID 2936 wrote to memory of 2764 2936 d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe 33 PID 2936 wrote to memory of 2764 2936 d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe 33 PID 2936 wrote to memory of 2764 2936 d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe 33 PID 2936 wrote to memory of 2764 2936 d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe 33 PID 2936 wrote to memory of 2764 2936 d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe 33 PID 2936 wrote to memory of 2764 2936 d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe 33 PID 2936 wrote to memory of 2656 2936 d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe 34 PID 2936 wrote to memory of 2656 2936 d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe 34 PID 2936 wrote to memory of 2656 2936 d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe 34 PID 2936 wrote to memory of 2656 2936 d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe 34 PID 2200 wrote to memory of 2908 2200 vnc.exe 31 PID 2200 wrote to memory of 2908 2200 vnc.exe 31 PID 2760 wrote to memory of 764 2760 windef.exe 37 PID 2760 wrote to memory of 764 2760 windef.exe 37 PID 2760 wrote to memory of 764 2760 windef.exe 37 PID 2760 wrote to memory of 764 2760 windef.exe 37 PID 2760 wrote to memory of 2864 2760 windef.exe 39 PID 2760 wrote to memory of 2864 2760 windef.exe 39 PID 2760 wrote to memory of 2864 2760 windef.exe 39 PID 2760 wrote to memory of 2864 2760 windef.exe 39 PID 2864 wrote to memory of 1052 2864 winsock.exe 40 PID 2864 wrote to memory of 1052 2864 winsock.exe 40 PID 2864 wrote to memory of 1052 2864 winsock.exe 40 PID 2864 wrote to memory of 1052 2864 winsock.exe 40
Processes
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C:\Users\Admin\AppData\Local\Temp\d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe"C:\Users\Admin\AppData\Local\Temp\d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.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:2936 -
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:2200 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵
- Maps connected drives based on registry
PID:2908
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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:2760 -
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:764
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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 WriteProcessMemory
PID:2864 -
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:1052
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C:\Users\Admin\AppData\Local\Temp\d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe"C:\Users\Admin\AppData\Local\Temp\d81c74ce77c8f04b0c1c97900ad0497cb9245ef1dcf641e315d807c3bf5ea5d4.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2764
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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:2656
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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