Analysis
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max time kernel
3s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
30-08-2024 21:36
Behavioral task
behavioral1
Sample
675701949f6b896eebb9fd312b41ce20N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
675701949f6b896eebb9fd312b41ce20N.exe
Resource
win10v2004-20240802-en
General
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Target
675701949f6b896eebb9fd312b41ce20N.exe
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Size
2.0MB
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MD5
675701949f6b896eebb9fd312b41ce20
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SHA1
a5ea8fe5085ec4cd36b130714c01c2ce65e780b1
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SHA256
0273f6dd5a6c6e18f53498055b60be9d6c2aa07873389b6a8202c39d46f87ae3
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SHA512
bb14e9c6f37de5a7c5f4181341cb1e5d8c0747081e69290b0ea0c8575a7b3bb396349725833413eb38c603e14d7e71d9d1419fe031c45b2e3bfb932c1b7a12e5
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYY:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yq
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 5 IoCs
resource yara_rule behavioral1/files/0x00080000000173c2-17.dat family_quasar behavioral1/memory/1268-32-0x0000000000CF0000-0x0000000000D4E000-memory.dmp family_quasar behavioral1/memory/1504-63-0x0000000000C80000-0x0000000000CDE000-memory.dmp family_quasar behavioral1/files/0x00080000000173de-67.dat family_quasar behavioral1/memory/2640-100-0x0000000000A90000-0x0000000000AEE000-memory.dmp family_quasar -
Executes dropped EXE 3 IoCs
pid Process 1968 vnc.exe 1268 windef.exe 1504 winsock.exe -
Loads dropped DLL 9 IoCs
pid Process 2396 675701949f6b896eebb9fd312b41ce20N.exe 2396 675701949f6b896eebb9fd312b41ce20N.exe 2396 675701949f6b896eebb9fd312b41ce20N.exe 2396 675701949f6b896eebb9fd312b41ce20N.exe 2396 675701949f6b896eebb9fd312b41ce20N.exe 2396 675701949f6b896eebb9fd312b41ce20N.exe 2396 675701949f6b896eebb9fd312b41ce20N.exe 2396 675701949f6b896eebb9fd312b41ce20N.exe 1268 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) \??\h: 675701949f6b896eebb9fd312b41ce20N.exe File opened (read-only) \??\j: 675701949f6b896eebb9fd312b41ce20N.exe File opened (read-only) \??\q: 675701949f6b896eebb9fd312b41ce20N.exe File opened (read-only) \??\u: 675701949f6b896eebb9fd312b41ce20N.exe File opened (read-only) \??\x: 675701949f6b896eebb9fd312b41ce20N.exe File opened (read-only) \??\g: 675701949f6b896eebb9fd312b41ce20N.exe File opened (read-only) \??\e: 675701949f6b896eebb9fd312b41ce20N.exe File opened (read-only) \??\l: 675701949f6b896eebb9fd312b41ce20N.exe File opened (read-only) \??\r: 675701949f6b896eebb9fd312b41ce20N.exe File opened (read-only) \??\t: 675701949f6b896eebb9fd312b41ce20N.exe File opened (read-only) \??\z: 675701949f6b896eebb9fd312b41ce20N.exe File opened (read-only) \??\a: 675701949f6b896eebb9fd312b41ce20N.exe File opened (read-only) \??\k: 675701949f6b896eebb9fd312b41ce20N.exe File opened (read-only) \??\m: 675701949f6b896eebb9fd312b41ce20N.exe File opened (read-only) \??\n: 675701949f6b896eebb9fd312b41ce20N.exe File opened (read-only) \??\o: 675701949f6b896eebb9fd312b41ce20N.exe File opened (read-only) \??\s: 675701949f6b896eebb9fd312b41ce20N.exe File opened (read-only) \??\w: 675701949f6b896eebb9fd312b41ce20N.exe File opened (read-only) \??\b: 675701949f6b896eebb9fd312b41ce20N.exe File opened (read-only) \??\p: 675701949f6b896eebb9fd312b41ce20N.exe File opened (read-only) \??\v: 675701949f6b896eebb9fd312b41ce20N.exe File opened (read-only) \??\y: 675701949f6b896eebb9fd312b41ce20N.exe File opened (read-only) \??\i: 675701949f6b896eebb9fd312b41ce20N.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 value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum svchost.exe -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral1/files/0x00080000000173de-67.dat autoit_exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2396 set thread context of 2728 2396 675701949f6b896eebb9fd312b41ce20N.exe 33 PID 1968 set thread context of 1704 1968 vnc.exe 31 -
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 2468 2004 WerFault.exe 46 -
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 vnc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language windef.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 675701949f6b896eebb9fd312b41ce20N.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 675701949f6b896eebb9fd312b41ce20N.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 4 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2944 schtasks.exe 1020 schtasks.exe 2588 schtasks.exe 1868 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2396 675701949f6b896eebb9fd312b41ce20N.exe 2396 675701949f6b896eebb9fd312b41ce20N.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1968 vnc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1268 windef.exe -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 2396 wrote to memory of 1968 2396 675701949f6b896eebb9fd312b41ce20N.exe 30 PID 2396 wrote to memory of 1968 2396 675701949f6b896eebb9fd312b41ce20N.exe 30 PID 2396 wrote to memory of 1968 2396 675701949f6b896eebb9fd312b41ce20N.exe 30 PID 2396 wrote to memory of 1968 2396 675701949f6b896eebb9fd312b41ce20N.exe 30 PID 1968 wrote to memory of 1704 1968 vnc.exe 31 PID 1968 wrote to memory of 1704 1968 vnc.exe 31 PID 1968 wrote to memory of 1704 1968 vnc.exe 31 PID 1968 wrote to memory of 1704 1968 vnc.exe 31 PID 2396 wrote to memory of 1268 2396 675701949f6b896eebb9fd312b41ce20N.exe 32 PID 2396 wrote to memory of 1268 2396 675701949f6b896eebb9fd312b41ce20N.exe 32 PID 2396 wrote to memory of 1268 2396 675701949f6b896eebb9fd312b41ce20N.exe 32 PID 2396 wrote to memory of 1268 2396 675701949f6b896eebb9fd312b41ce20N.exe 32 PID 1968 wrote to memory of 1704 1968 vnc.exe 31 PID 2396 wrote to memory of 2728 2396 675701949f6b896eebb9fd312b41ce20N.exe 33 PID 2396 wrote to memory of 2728 2396 675701949f6b896eebb9fd312b41ce20N.exe 33 PID 2396 wrote to memory of 2728 2396 675701949f6b896eebb9fd312b41ce20N.exe 33 PID 2396 wrote to memory of 2728 2396 675701949f6b896eebb9fd312b41ce20N.exe 33 PID 2396 wrote to memory of 2728 2396 675701949f6b896eebb9fd312b41ce20N.exe 33 PID 2396 wrote to memory of 2728 2396 675701949f6b896eebb9fd312b41ce20N.exe 33 PID 1968 wrote to memory of 1704 1968 vnc.exe 31 PID 1968 wrote to memory of 1704 1968 vnc.exe 31 PID 2396 wrote to memory of 2944 2396 675701949f6b896eebb9fd312b41ce20N.exe 34 PID 2396 wrote to memory of 2944 2396 675701949f6b896eebb9fd312b41ce20N.exe 34 PID 2396 wrote to memory of 2944 2396 675701949f6b896eebb9fd312b41ce20N.exe 34 PID 2396 wrote to memory of 2944 2396 675701949f6b896eebb9fd312b41ce20N.exe 34 PID 1268 wrote to memory of 1020 1268 windef.exe 38 PID 1268 wrote to memory of 1020 1268 windef.exe 38 PID 1268 wrote to memory of 1020 1268 windef.exe 38 PID 1268 wrote to memory of 1020 1268 windef.exe 38 PID 1268 wrote to memory of 1504 1268 windef.exe 40 PID 1268 wrote to memory of 1504 1268 windef.exe 40 PID 1268 wrote to memory of 1504 1268 windef.exe 40 PID 1268 wrote to memory of 1504 1268 windef.exe 40
Processes
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C:\Users\Admin\AppData\Local\Temp\675701949f6b896eebb9fd312b41ce20N.exe"C:\Users\Admin\AppData\Local\Temp\675701949f6b896eebb9fd312b41ce20N.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:2396 -
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:1968 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵
- Maps connected drives based on registry
PID:1704
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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:1268 -
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:1020
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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
PID:1504 -
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:2588
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C:\Users\Admin\AppData\Local\Temp\675701949f6b896eebb9fd312b41ce20N.exe"C:\Users\Admin\AppData\Local\Temp\675701949f6b896eebb9fd312b41ce20N.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2728
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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:2944
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C:\Windows\system32\taskeng.exetaskeng.exe {D4ED26C5-CC29-48A9-8679-397DE4D7323D} S-1-5-21-3434294380-2554721341-1919518612-1000:ELZYPTFV\Admin:Interactive:[1]1⤵PID:1192
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exeC:\Users\Admin\btpanui\SystemPropertiesPerformance.exe2⤵PID:2144
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C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"3⤵PID:2004
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k4⤵PID:2504
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 1804⤵
- Program crash
PID:2468
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C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"3⤵PID:2640
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"3⤵PID:1952
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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 /F3⤵
- Scheduled Task/Job: Scheduled Task
PID:1868
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.0MB
MD5f95089d3a715e6864837e75e9e00bb34
SHA13d9c42ec007c662a2e18e8add7a7847acdef7aa3
SHA2563dc4e8615c45722dd3ea3448c6cd0cc241523cde94a3bdda5ae8b38d9db5362b
SHA5125361ac2424b0d3fe2a825160a84dee2d59638da946527ccd3690cef2e5ea6c3c95a7341a62310b479054338ec724700ec7a3064311daa17b266ce9a47d62f990
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Filesize
405KB
MD5b8ba87ee4c3fc085a2fed0d839aadce1
SHA1b3a2e3256406330e8b1779199bb2b9865122d766
SHA2564e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4
SHA5127a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2
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Filesize
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb