Analysis
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max time kernel
3s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
20-10-2024 15:19
Behavioral task
behavioral1
Sample
5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe
Resource
win10v2004-20241007-en
General
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Target
5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe
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Size
2.0MB
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MD5
7f6882479e1eaf56f07e8bc9f62b7be0
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SHA1
b937afa72d7bbde1ef1d5095e46d8383713e195f
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SHA256
5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281
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SHA512
6ffe2f9b9dddccb1a4fe85e25c8134d550e1a3053cc3473f829a47a06d2e1f0edf57d1d4ebf0d1668599126856667001af6b8d100656024d8a26fc217d6a17fe
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYS:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y8
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
Processes:
resource yara_rule behavioral1/files/0x0008000000015fa6-17.dat family_quasar behavioral1/memory/2752-46-0x0000000000F40000-0x0000000000F9E000-memory.dmp family_quasar behavioral1/memory/1324-58-0x0000000000A60000-0x0000000000ABE000-memory.dmp family_quasar -
Executes dropped EXE 3 IoCs
Processes:
vnc.exewindef.exewinsock.exepid Process 2320 vnc.exe 2752 windef.exe 1324 winsock.exe -
Loads dropped DLL 13 IoCs
Processes:
5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exeWerFault.exewindef.exepid Process 276 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe 276 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe 276 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe 276 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe 276 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe 276 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe 276 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe 276 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe 2576 WerFault.exe 2576 WerFault.exe 2576 WerFault.exe 2576 WerFault.exe 2752 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:
5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exedescription ioc Process File opened (read-only) \??\a: 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe File opened (read-only) \??\e: 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe File opened (read-only) \??\h: 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe File opened (read-only) \??\m: 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe File opened (read-only) \??\o: 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe File opened (read-only) \??\t: 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe File opened (read-only) \??\u: 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe File opened (read-only) \??\g: 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe File opened (read-only) \??\j: 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe File opened (read-only) \??\k: 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe File opened (read-only) \??\n: 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe File opened (read-only) \??\p: 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe File opened (read-only) \??\l: 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe File opened (read-only) \??\s: 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe File opened (read-only) \??\v: 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe File opened (read-only) \??\w: 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe File opened (read-only) \??\z: 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe File opened (read-only) \??\b: 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe File opened (read-only) \??\i: 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe File opened (read-only) \??\q: 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe File opened (read-only) \??\r: 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe File opened (read-only) \??\x: 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe File opened (read-only) \??\y: 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.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 -
Suspicious use of SetThreadContext 1 IoCs
Processes:
5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exedescription pid Process procid_target PID 276 set thread context of 2784 276 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe 34 -
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 procid_target 2576 2320 WerFault.exe 31 -
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:
vnc.exe5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exewindef.exeschtasks.exeschtasks.exewinsock.exeschtasks.exe5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vnc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe 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 schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winsock.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exeschtasks.exepid Process 2688 schtasks.exe 2240 schtasks.exe 320 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exepid Process 276 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe 276 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
windef.exewinsock.exedescription pid Process Token: SeDebugPrivilege 2752 windef.exe Token: SeDebugPrivilege 1324 winsock.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
winsock.exepid Process 1324 winsock.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exevnc.exewindef.exewinsock.exedescription pid Process procid_target PID 276 wrote to memory of 2320 276 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe 31 PID 276 wrote to memory of 2320 276 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe 31 PID 276 wrote to memory of 2320 276 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe 31 PID 276 wrote to memory of 2320 276 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe 31 PID 2320 wrote to memory of 2352 2320 vnc.exe 32 PID 2320 wrote to memory of 2352 2320 vnc.exe 32 PID 2320 wrote to memory of 2352 2320 vnc.exe 32 PID 2320 wrote to memory of 2352 2320 vnc.exe 32 PID 2320 wrote to memory of 2352 2320 vnc.exe 32 PID 276 wrote to memory of 2752 276 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe 33 PID 276 wrote to memory of 2752 276 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe 33 PID 276 wrote to memory of 2752 276 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe 33 PID 276 wrote to memory of 2752 276 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe 33 PID 276 wrote to memory of 2784 276 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe 34 PID 276 wrote to memory of 2784 276 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe 34 PID 276 wrote to memory of 2784 276 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe 34 PID 276 wrote to memory of 2784 276 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe 34 PID 276 wrote to memory of 2784 276 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe 34 PID 276 wrote to memory of 2784 276 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe 34 PID 276 wrote to memory of 2688 276 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe 35 PID 276 wrote to memory of 2688 276 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe 35 PID 276 wrote to memory of 2688 276 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe 35 PID 276 wrote to memory of 2688 276 5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe 35 PID 2320 wrote to memory of 2576 2320 vnc.exe 37 PID 2320 wrote to memory of 2576 2320 vnc.exe 37 PID 2320 wrote to memory of 2576 2320 vnc.exe 37 PID 2320 wrote to memory of 2576 2320 vnc.exe 37 PID 2752 wrote to memory of 2240 2752 windef.exe 39 PID 2752 wrote to memory of 2240 2752 windef.exe 39 PID 2752 wrote to memory of 2240 2752 windef.exe 39 PID 2752 wrote to memory of 2240 2752 windef.exe 39 PID 2752 wrote to memory of 1324 2752 windef.exe 41 PID 2752 wrote to memory of 1324 2752 windef.exe 41 PID 2752 wrote to memory of 1324 2752 windef.exe 41 PID 2752 wrote to memory of 1324 2752 windef.exe 41 PID 1324 wrote to memory of 320 1324 winsock.exe 42 PID 1324 wrote to memory of 320 1324 winsock.exe 42 PID 1324 wrote to memory of 320 1324 winsock.exe 42 PID 1324 wrote to memory of 320 1324 winsock.exe 42
Processes
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C:\Users\Admin\AppData\Local\Temp\5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe"C:\Users\Admin\AppData\Local\Temp\5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.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:276 -
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:2320 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:2352
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2320 -s 1603⤵
- Loads dropped DLL
- Program crash
PID:2576
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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:2752 -
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:2240
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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:1324 -
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:320
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C:\Users\Admin\AppData\Local\Temp\5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe"C:\Users\Admin\AppData\Local\Temp\5665cf05be114932fb20c7a9dbeaa46f68e689f1f76cf1d03ddcc4e1ca09d281N.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2784
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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:2688
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
405KB
MD5b8ba87ee4c3fc085a2fed0d839aadce1
SHA1b3a2e3256406330e8b1779199bb2b9865122d766
SHA2564e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4
SHA5127a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2
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Filesize
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb