Analysis
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max time kernel
3s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
31-12-2024 23:15
Behavioral task
behavioral1
Sample
1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe
Resource
win10v2004-20241007-en
General
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Target
1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe
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Size
2.0MB
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MD5
368367c9fda07bce518963781ab5fdbb
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SHA1
5dbda8bb91d4427416ec82239393dc8bcc370d18
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SHA256
1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845
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SHA512
c7ba937b818f3da5bac2b86f522b47fbb03523b3b33017c6f62773b2a132d6c16ead9cbcfa81e22232741ae8c9257abdd9f23324eb1f33a7a7da24c082b3463b
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYu:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YA
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/0x0008000000015db6-17.dat family_quasar behavioral1/memory/2796-46-0x0000000001140000-0x000000000119E000-memory.dmp family_quasar behavioral1/memory/1800-58-0x0000000000F90000-0x0000000000FEE000-memory.dmp family_quasar -
Executes dropped EXE 3 IoCs
pid Process 972 vnc.exe 2796 windef.exe 1800 winsock.exe -
Loads dropped DLL 13 IoCs
pid Process 1632 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe 1632 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe 1632 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe 1632 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe 1632 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe 1632 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe 1632 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe 1632 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe 2788 WerFault.exe 2788 WerFault.exe 2788 WerFault.exe 2788 WerFault.exe 2796 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) \??\b: 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe File opened (read-only) \??\k: 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe File opened (read-only) \??\o: 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe File opened (read-only) \??\a: 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe File opened (read-only) \??\h: 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe File opened (read-only) \??\m: 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe File opened (read-only) \??\q: 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe File opened (read-only) \??\i: 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe File opened (read-only) \??\p: 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe File opened (read-only) \??\r: 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe File opened (read-only) \??\s: 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe File opened (read-only) \??\z: 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe File opened (read-only) \??\v: 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe File opened (read-only) \??\e: 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe File opened (read-only) \??\g: 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe File opened (read-only) \??\j: 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe File opened (read-only) \??\l: 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe File opened (read-only) \??\n: 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe File opened (read-only) \??\t: 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe File opened (read-only) \??\u: 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe File opened (read-only) \??\w: 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe File opened (read-only) \??\x: 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe File opened (read-only) \??\y: 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.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 1632 set thread context of 2840 1632 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe 33 -
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 2788 972 WerFault.exe 30 -
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 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vnc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.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 -
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 2992 schtasks.exe 1064 schtasks.exe 2432 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1632 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe 1632 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2796 windef.exe Token: SeDebugPrivilege 1800 winsock.exe -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 1632 wrote to memory of 972 1632 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe 30 PID 1632 wrote to memory of 972 1632 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe 30 PID 1632 wrote to memory of 972 1632 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe 30 PID 1632 wrote to memory of 972 1632 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe 30 PID 1632 wrote to memory of 2796 1632 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe 31 PID 1632 wrote to memory of 2796 1632 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe 31 PID 1632 wrote to memory of 2796 1632 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe 31 PID 1632 wrote to memory of 2796 1632 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe 31 PID 972 wrote to memory of 1924 972 vnc.exe 32 PID 972 wrote to memory of 1924 972 vnc.exe 32 PID 972 wrote to memory of 1924 972 vnc.exe 32 PID 972 wrote to memory of 1924 972 vnc.exe 32 PID 972 wrote to memory of 1924 972 vnc.exe 32 PID 1632 wrote to memory of 2840 1632 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe 33 PID 1632 wrote to memory of 2840 1632 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe 33 PID 1632 wrote to memory of 2840 1632 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe 33 PID 1632 wrote to memory of 2840 1632 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe 33 PID 1632 wrote to memory of 2840 1632 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe 33 PID 1632 wrote to memory of 2840 1632 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe 33 PID 1632 wrote to memory of 2992 1632 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe 34 PID 1632 wrote to memory of 2992 1632 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe 34 PID 1632 wrote to memory of 2992 1632 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe 34 PID 1632 wrote to memory of 2992 1632 1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe 34 PID 972 wrote to memory of 2788 972 vnc.exe 36 PID 972 wrote to memory of 2788 972 vnc.exe 36 PID 972 wrote to memory of 2788 972 vnc.exe 36 PID 972 wrote to memory of 2788 972 vnc.exe 36 PID 2796 wrote to memory of 1064 2796 windef.exe 38 PID 2796 wrote to memory of 1064 2796 windef.exe 38 PID 2796 wrote to memory of 1064 2796 windef.exe 38 PID 2796 wrote to memory of 1064 2796 windef.exe 38 PID 2796 wrote to memory of 1800 2796 windef.exe 40 PID 2796 wrote to memory of 1800 2796 windef.exe 40 PID 2796 wrote to memory of 1800 2796 windef.exe 40 PID 2796 wrote to memory of 1800 2796 windef.exe 40
Processes
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C:\Users\Admin\AppData\Local\Temp\1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe"C:\Users\Admin\AppData\Local\Temp\1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.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:1632 -
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:972 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:1924
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 972 -s 1603⤵
- Loads dropped DLL
- Program crash
PID:2788
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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:2796 -
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:1064
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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:1800 -
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:2432
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C:\Users\Admin\AppData\Local\Temp\1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe"C:\Users\Admin\AppData\Local\Temp\1c99bd69642429ca6230342597ecdc948eabb55357b5e07674823b0fb363c845.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2840
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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:2992
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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