Analysis
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max time kernel
3s -
max time network
80s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
01-09-2024 15:38
Behavioral task
behavioral1
Sample
815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe
Resource
win10v2004-20240802-en
General
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Target
815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe
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Size
2.0MB
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MD5
815df3ce8f1ebbbdcf8fd3b5391a2a70
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SHA1
cc19616d3d9ed0dd4ef6bac2fcf5251bec303f67
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SHA256
24ce8da6f76bfa558cff3079df170e78893679ccce334fadaf21d961291b30f0
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SHA512
0aec8172b2b689874b50d5861a11f16cd8dc22116f46a108f1491e14b669bd15f34b1c5cb9ea356a0c1fbfe154ef66050dbf43e74cedc2992e1c3fa3e11b8bc1
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY4:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y2
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/0x0008000000016641-17.dat family_quasar behavioral1/memory/2720-46-0x0000000000D40000-0x0000000000D9E000-memory.dmp family_quasar behavioral1/memory/1552-60-0x0000000000E40000-0x0000000000E9E000-memory.dmp family_quasar behavioral1/files/0x0008000000016c5c-62.dat family_quasar behavioral1/memory/1124-98-0x0000000000B70000-0x0000000000BCE000-memory.dmp family_quasar -
Executes dropped EXE 2 IoCs
pid Process 2804 vnc.exe 2720 windef.exe -
Loads dropped DLL 12 IoCs
pid Process 2472 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 2472 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 2472 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 2472 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 2472 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 2472 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 2472 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 2472 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 2088 WerFault.exe 2088 WerFault.exe 2088 WerFault.exe 2088 WerFault.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) \??\j: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\q: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\v: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\y: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\k: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\o: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\p: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\s: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\e: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\l: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\m: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\r: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\t: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\x: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\w: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\a: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\b: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\g: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\h: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\i: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\n: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\u: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe File opened (read-only) \??\z: 815df3ce8f1ebbbdcf8fd3b5391a2a70N.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 -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral1/files/0x0008000000016c5c-62.dat autoit_exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2472 set thread context of 2968 2472 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 33 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
pid pid_target Process procid_target 2088 2804 WerFault.exe 30 1404 2008 WerFault.exe 45 -
System Location Discovery: System Language Discovery 1 TTPs 5 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 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vnc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language windef.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 2604 schtasks.exe 2420 schtasks.exe 1592 schtasks.exe 2040 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2472 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 2472 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2720 windef.exe -
Suspicious use of WriteProcessMemory 27 IoCs
description pid Process procid_target PID 2472 wrote to memory of 2804 2472 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 30 PID 2472 wrote to memory of 2804 2472 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 30 PID 2472 wrote to memory of 2804 2472 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 30 PID 2472 wrote to memory of 2804 2472 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 30 PID 2804 wrote to memory of 2480 2804 vnc.exe 32 PID 2804 wrote to memory of 2480 2804 vnc.exe 32 PID 2804 wrote to memory of 2480 2804 vnc.exe 32 PID 2804 wrote to memory of 2480 2804 vnc.exe 32 PID 2804 wrote to memory of 2480 2804 vnc.exe 32 PID 2472 wrote to memory of 2720 2472 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 31 PID 2472 wrote to memory of 2720 2472 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 31 PID 2472 wrote to memory of 2720 2472 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 31 PID 2472 wrote to memory of 2720 2472 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 31 PID 2472 wrote to memory of 2968 2472 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 33 PID 2472 wrote to memory of 2968 2472 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 33 PID 2472 wrote to memory of 2968 2472 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 33 PID 2472 wrote to memory of 2968 2472 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 33 PID 2472 wrote to memory of 2968 2472 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 33 PID 2472 wrote to memory of 2968 2472 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 33 PID 2472 wrote to memory of 2604 2472 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 34 PID 2472 wrote to memory of 2604 2472 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 34 PID 2472 wrote to memory of 2604 2472 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 34 PID 2472 wrote to memory of 2604 2472 815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe 34 PID 2804 wrote to memory of 2088 2804 vnc.exe 36 PID 2804 wrote to memory of 2088 2804 vnc.exe 36 PID 2804 wrote to memory of 2088 2804 vnc.exe 36 PID 2804 wrote to memory of 2088 2804 vnc.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe"C:\Users\Admin\AppData\Local\Temp\815df3ce8f1ebbbdcf8fd3b5391a2a70N.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:2472 -
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:2804 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:2480
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2804 -s 1603⤵
- Loads dropped DLL
- Program crash
PID:2088
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C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2720 -
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⤵
- Scheduled Task/Job: Scheduled Task
PID:2420
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C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"3⤵PID:1552
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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:1592
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C:\Users\Admin\AppData\Local\Temp\815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe"C:\Users\Admin\AppData\Local\Temp\815df3ce8f1ebbbdcf8fd3b5391a2a70N.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2968
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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:2604
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C:\Windows\system32\taskeng.exetaskeng.exe {4B6E6F85-4317-4FDB-88C8-3C7282DF9962} S-1-5-21-3294248377-1418901787-4083263181-1000:FMEDFXFE\Admin:Interactive:[1]1⤵PID:696
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exeC:\Users\Admin\btpanui\SystemPropertiesPerformance.exe2⤵PID:2400
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C:\Users\Admin\AppData\Local\Temp\vnc.exe"C:\Users\Admin\AppData\Local\Temp\vnc.exe"3⤵PID:2008
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k4⤵PID:3012
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2008 -s 1804⤵
- Program crash
PID:1404
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C:\Users\Admin\AppData\Local\Temp\windef.exe"C:\Users\Admin\AppData\Local\Temp\windef.exe"3⤵PID:1124
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C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"3⤵PID:2272
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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:2040
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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
207B
MD548f0b8ba7ecd9758a9257969f29ba915
SHA114d1575c2f86ed478ce146af61253438a6672847
SHA2565abcacae3db3fe70c295a181725a1e3b97ee81cae86be5792496f1e743c53b72
SHA5120b9388af92b8639a520dcae7f11e47720de7982f10bcc1f850b44783cdff8c0f73c3026ce2d4f221db475035887852793647088b7d24a5e89f64d1d1b2f0321e
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Filesize
2.0MB
MD5fc35aa473140baa7b07445fe50846c34
SHA1c2dae9c7cd696879529ddd4806fa354f30e90207
SHA2569febbdb54726abc15708d17dd4e927f4160897076ce1830b64438a3eb1e2d333
SHA51267660c0ed387499ecfed016ac6854bb97c0e63c540cbbc270364c6ca31c4db2121cc7006255159e36c33c65c27e907ed4ab04b027ae3503ff1f243714873b2e2
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Filesize
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb