Analysis
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max time kernel
3s -
max time network
35s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
12-08-2024 21:31
Behavioral task
behavioral1
Sample
c31f4142a43ea6ae5289c92582130fa0N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
c31f4142a43ea6ae5289c92582130fa0N.exe
Resource
win10v2004-20240802-en
General
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Target
c31f4142a43ea6ae5289c92582130fa0N.exe
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Size
2.0MB
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MD5
c31f4142a43ea6ae5289c92582130fa0
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SHA1
373921bc6f4ef367a12bf70c168445591095bbc4
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SHA256
7b2902885fb977a2dc659b1db9f5fb4b49646a547e354df219e71c3dfd16810e
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SHA512
5536dcd05aa83c6766d774a84127526892b9216fcbea7a22ba60f3628ff713ef362051abb0f88f8f87a46243a3bff899e8ead0a9749d266e8b3e17d92563eb5a
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYd:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y3
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/0x00080000000174a8-17.dat family_quasar behavioral1/memory/3028-45-0x0000000000F40000-0x0000000000F9E000-memory.dmp family_quasar behavioral1/memory/1908-57-0x0000000000960000-0x00000000009BE000-memory.dmp family_quasar -
Executes dropped EXE 3 IoCs
pid Process 860 vnc.exe 3028 windef.exe 1908 winsock.exe -
Loads dropped DLL 13 IoCs
pid Process 2604 c31f4142a43ea6ae5289c92582130fa0N.exe 2604 c31f4142a43ea6ae5289c92582130fa0N.exe 2604 c31f4142a43ea6ae5289c92582130fa0N.exe 2604 c31f4142a43ea6ae5289c92582130fa0N.exe 2604 c31f4142a43ea6ae5289c92582130fa0N.exe 2604 c31f4142a43ea6ae5289c92582130fa0N.exe 2604 c31f4142a43ea6ae5289c92582130fa0N.exe 2604 c31f4142a43ea6ae5289c92582130fa0N.exe 3000 WerFault.exe 3000 WerFault.exe 3000 WerFault.exe 3000 WerFault.exe 3028 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) \??\y: c31f4142a43ea6ae5289c92582130fa0N.exe File opened (read-only) \??\g: c31f4142a43ea6ae5289c92582130fa0N.exe File opened (read-only) \??\q: c31f4142a43ea6ae5289c92582130fa0N.exe File opened (read-only) \??\t: c31f4142a43ea6ae5289c92582130fa0N.exe File opened (read-only) \??\w: c31f4142a43ea6ae5289c92582130fa0N.exe File opened (read-only) \??\m: c31f4142a43ea6ae5289c92582130fa0N.exe File opened (read-only) \??\s: c31f4142a43ea6ae5289c92582130fa0N.exe File opened (read-only) \??\z: c31f4142a43ea6ae5289c92582130fa0N.exe File opened (read-only) \??\a: c31f4142a43ea6ae5289c92582130fa0N.exe File opened (read-only) \??\e: c31f4142a43ea6ae5289c92582130fa0N.exe File opened (read-only) \??\h: c31f4142a43ea6ae5289c92582130fa0N.exe File opened (read-only) \??\k: c31f4142a43ea6ae5289c92582130fa0N.exe File opened (read-only) \??\v: c31f4142a43ea6ae5289c92582130fa0N.exe File opened (read-only) \??\x: c31f4142a43ea6ae5289c92582130fa0N.exe File opened (read-only) \??\b: c31f4142a43ea6ae5289c92582130fa0N.exe File opened (read-only) \??\j: c31f4142a43ea6ae5289c92582130fa0N.exe File opened (read-only) \??\o: c31f4142a43ea6ae5289c92582130fa0N.exe File opened (read-only) \??\p: c31f4142a43ea6ae5289c92582130fa0N.exe File opened (read-only) \??\u: c31f4142a43ea6ae5289c92582130fa0N.exe File opened (read-only) \??\i: c31f4142a43ea6ae5289c92582130fa0N.exe File opened (read-only) \??\l: c31f4142a43ea6ae5289c92582130fa0N.exe File opened (read-only) \??\n: c31f4142a43ea6ae5289c92582130fa0N.exe File opened (read-only) \??\r: c31f4142a43ea6ae5289c92582130fa0N.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 4 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2604 set thread context of 2664 2604 c31f4142a43ea6ae5289c92582130fa0N.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
pid pid_target Process procid_target 3000 860 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.
description ioc Process 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 c31f4142a43ea6ae5289c92582130fa0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vnc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c31f4142a43ea6ae5289c92582130fa0N.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 -
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 2792 schtasks.exe 1204 schtasks.exe 2272 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2604 c31f4142a43ea6ae5289c92582130fa0N.exe 2604 c31f4142a43ea6ae5289c92582130fa0N.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3028 windef.exe Token: SeDebugPrivilege 1908 winsock.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1908 winsock.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 2604 wrote to memory of 860 2604 c31f4142a43ea6ae5289c92582130fa0N.exe 31 PID 2604 wrote to memory of 860 2604 c31f4142a43ea6ae5289c92582130fa0N.exe 31 PID 2604 wrote to memory of 860 2604 c31f4142a43ea6ae5289c92582130fa0N.exe 31 PID 2604 wrote to memory of 860 2604 c31f4142a43ea6ae5289c92582130fa0N.exe 31 PID 860 wrote to memory of 396 860 vnc.exe 32 PID 860 wrote to memory of 396 860 vnc.exe 32 PID 860 wrote to memory of 396 860 vnc.exe 32 PID 860 wrote to memory of 396 860 vnc.exe 32 PID 860 wrote to memory of 396 860 vnc.exe 32 PID 2604 wrote to memory of 3028 2604 c31f4142a43ea6ae5289c92582130fa0N.exe 33 PID 2604 wrote to memory of 3028 2604 c31f4142a43ea6ae5289c92582130fa0N.exe 33 PID 2604 wrote to memory of 3028 2604 c31f4142a43ea6ae5289c92582130fa0N.exe 33 PID 2604 wrote to memory of 3028 2604 c31f4142a43ea6ae5289c92582130fa0N.exe 33 PID 2604 wrote to memory of 2664 2604 c31f4142a43ea6ae5289c92582130fa0N.exe 34 PID 2604 wrote to memory of 2664 2604 c31f4142a43ea6ae5289c92582130fa0N.exe 34 PID 2604 wrote to memory of 2664 2604 c31f4142a43ea6ae5289c92582130fa0N.exe 34 PID 2604 wrote to memory of 2664 2604 c31f4142a43ea6ae5289c92582130fa0N.exe 34 PID 2604 wrote to memory of 2664 2604 c31f4142a43ea6ae5289c92582130fa0N.exe 34 PID 2604 wrote to memory of 2664 2604 c31f4142a43ea6ae5289c92582130fa0N.exe 34 PID 2604 wrote to memory of 2792 2604 c31f4142a43ea6ae5289c92582130fa0N.exe 35 PID 2604 wrote to memory of 2792 2604 c31f4142a43ea6ae5289c92582130fa0N.exe 35 PID 2604 wrote to memory of 2792 2604 c31f4142a43ea6ae5289c92582130fa0N.exe 35 PID 2604 wrote to memory of 2792 2604 c31f4142a43ea6ae5289c92582130fa0N.exe 35 PID 860 wrote to memory of 3000 860 vnc.exe 37 PID 860 wrote to memory of 3000 860 vnc.exe 37 PID 860 wrote to memory of 3000 860 vnc.exe 37 PID 860 wrote to memory of 3000 860 vnc.exe 37 PID 3028 wrote to memory of 1204 3028 windef.exe 39 PID 3028 wrote to memory of 1204 3028 windef.exe 39 PID 3028 wrote to memory of 1204 3028 windef.exe 39 PID 3028 wrote to memory of 1204 3028 windef.exe 39 PID 3028 wrote to memory of 1908 3028 windef.exe 41 PID 3028 wrote to memory of 1908 3028 windef.exe 41 PID 3028 wrote to memory of 1908 3028 windef.exe 41 PID 3028 wrote to memory of 1908 3028 windef.exe 41 PID 1908 wrote to memory of 2272 1908 winsock.exe 42 PID 1908 wrote to memory of 2272 1908 winsock.exe 42 PID 1908 wrote to memory of 2272 1908 winsock.exe 42 PID 1908 wrote to memory of 2272 1908 winsock.exe 42
Processes
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C:\Users\Admin\AppData\Local\Temp\c31f4142a43ea6ae5289c92582130fa0N.exe"C:\Users\Admin\AppData\Local\Temp\c31f4142a43ea6ae5289c92582130fa0N.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:2604 -
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:860 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:396
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 860 -s 1603⤵
- Loads dropped DLL
- Program crash
PID:3000
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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:3028 -
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:1204
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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:1908 -
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:2272
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C:\Users\Admin\AppData\Local\Temp\c31f4142a43ea6ae5289c92582130fa0N.exe"C:\Users\Admin\AppData\Local\Temp\c31f4142a43ea6ae5289c92582130fa0N.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2664
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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:2792
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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