Analysis
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max time kernel
4s -
max time network
40s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
05-09-2024 04:38
Behavioral task
behavioral1
Sample
204578b9d8eac4192c6030d9d89ac3c0N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
204578b9d8eac4192c6030d9d89ac3c0N.exe
Resource
win10v2004-20240802-en
General
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Target
204578b9d8eac4192c6030d9d89ac3c0N.exe
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Size
2.0MB
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MD5
204578b9d8eac4192c6030d9d89ac3c0
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SHA1
85a86b115c10e99d69ab1accf3ff788d0cadaa2c
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SHA256
d056582aa0436c7229149ba1e158d7fe68a285c23a012dcc22113e59896954f2
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SHA512
5da12c29cd659e795704041e21fb14394d186c5a874ffa266d9fc8bf53f30c5ee5b2e36467c29415d66a1897c4a110a22740a4eac53540be3d00e815f6042437
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYZ:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yn
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/0x000800000001506e-28.dat family_quasar behavioral1/memory/2956-46-0x0000000000E90000-0x0000000000EEE000-memory.dmp family_quasar behavioral1/memory/2612-58-0x0000000001220000-0x000000000127E000-memory.dmp family_quasar -
Executes dropped EXE 3 IoCs
pid Process 1904 vnc.exe 2956 windef.exe 2612 winsock.exe -
Loads dropped DLL 13 IoCs
pid Process 2292 204578b9d8eac4192c6030d9d89ac3c0N.exe 2292 204578b9d8eac4192c6030d9d89ac3c0N.exe 2292 204578b9d8eac4192c6030d9d89ac3c0N.exe 2292 204578b9d8eac4192c6030d9d89ac3c0N.exe 2292 204578b9d8eac4192c6030d9d89ac3c0N.exe 2292 204578b9d8eac4192c6030d9d89ac3c0N.exe 2292 204578b9d8eac4192c6030d9d89ac3c0N.exe 2292 204578b9d8eac4192c6030d9d89ac3c0N.exe 2636 WerFault.exe 2636 WerFault.exe 2636 WerFault.exe 2636 WerFault.exe 2956 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) \??\m: 204578b9d8eac4192c6030d9d89ac3c0N.exe File opened (read-only) \??\n: 204578b9d8eac4192c6030d9d89ac3c0N.exe File opened (read-only) \??\o: 204578b9d8eac4192c6030d9d89ac3c0N.exe File opened (read-only) \??\p: 204578b9d8eac4192c6030d9d89ac3c0N.exe File opened (read-only) \??\q: 204578b9d8eac4192c6030d9d89ac3c0N.exe File opened (read-only) \??\v: 204578b9d8eac4192c6030d9d89ac3c0N.exe File opened (read-only) \??\b: 204578b9d8eac4192c6030d9d89ac3c0N.exe File opened (read-only) \??\g: 204578b9d8eac4192c6030d9d89ac3c0N.exe File opened (read-only) \??\x: 204578b9d8eac4192c6030d9d89ac3c0N.exe File opened (read-only) \??\h: 204578b9d8eac4192c6030d9d89ac3c0N.exe File opened (read-only) \??\j: 204578b9d8eac4192c6030d9d89ac3c0N.exe File opened (read-only) \??\s: 204578b9d8eac4192c6030d9d89ac3c0N.exe File opened (read-only) \??\t: 204578b9d8eac4192c6030d9d89ac3c0N.exe File opened (read-only) \??\u: 204578b9d8eac4192c6030d9d89ac3c0N.exe File opened (read-only) \??\w: 204578b9d8eac4192c6030d9d89ac3c0N.exe File opened (read-only) \??\a: 204578b9d8eac4192c6030d9d89ac3c0N.exe File opened (read-only) \??\e: 204578b9d8eac4192c6030d9d89ac3c0N.exe File opened (read-only) \??\r: 204578b9d8eac4192c6030d9d89ac3c0N.exe File opened (read-only) \??\y: 204578b9d8eac4192c6030d9d89ac3c0N.exe File opened (read-only) \??\i: 204578b9d8eac4192c6030d9d89ac3c0N.exe File opened (read-only) \??\k: 204578b9d8eac4192c6030d9d89ac3c0N.exe File opened (read-only) \??\l: 204578b9d8eac4192c6030d9d89ac3c0N.exe File opened (read-only) \??\z: 204578b9d8eac4192c6030d9d89ac3c0N.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 2292 set thread context of 2416 2292 204578b9d8eac4192c6030d9d89ac3c0N.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 2636 1904 WerFault.exe 28 -
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 204578b9d8eac4192c6030d9d89ac3c0N.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 204578b9d8eac4192c6030d9d89ac3c0N.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 2672 schtasks.exe 604 schtasks.exe 2200 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2292 204578b9d8eac4192c6030d9d89ac3c0N.exe 2292 204578b9d8eac4192c6030d9d89ac3c0N.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2956 windef.exe -
Suspicious use of WriteProcessMemory 35 IoCs
description pid Process procid_target PID 2292 wrote to memory of 1904 2292 204578b9d8eac4192c6030d9d89ac3c0N.exe 28 PID 2292 wrote to memory of 1904 2292 204578b9d8eac4192c6030d9d89ac3c0N.exe 28 PID 2292 wrote to memory of 1904 2292 204578b9d8eac4192c6030d9d89ac3c0N.exe 28 PID 2292 wrote to memory of 1904 2292 204578b9d8eac4192c6030d9d89ac3c0N.exe 28 PID 2292 wrote to memory of 2956 2292 204578b9d8eac4192c6030d9d89ac3c0N.exe 29 PID 2292 wrote to memory of 2956 2292 204578b9d8eac4192c6030d9d89ac3c0N.exe 29 PID 2292 wrote to memory of 2956 2292 204578b9d8eac4192c6030d9d89ac3c0N.exe 29 PID 2292 wrote to memory of 2956 2292 204578b9d8eac4192c6030d9d89ac3c0N.exe 29 PID 1904 wrote to memory of 2412 1904 vnc.exe 30 PID 1904 wrote to memory of 2412 1904 vnc.exe 30 PID 1904 wrote to memory of 2412 1904 vnc.exe 30 PID 1904 wrote to memory of 2412 1904 vnc.exe 30 PID 2292 wrote to memory of 2416 2292 204578b9d8eac4192c6030d9d89ac3c0N.exe 31 PID 2292 wrote to memory of 2416 2292 204578b9d8eac4192c6030d9d89ac3c0N.exe 31 PID 2292 wrote to memory of 2416 2292 204578b9d8eac4192c6030d9d89ac3c0N.exe 31 PID 2292 wrote to memory of 2416 2292 204578b9d8eac4192c6030d9d89ac3c0N.exe 31 PID 2292 wrote to memory of 2416 2292 204578b9d8eac4192c6030d9d89ac3c0N.exe 31 PID 2292 wrote to memory of 2416 2292 204578b9d8eac4192c6030d9d89ac3c0N.exe 31 PID 1904 wrote to memory of 2412 1904 vnc.exe 30 PID 2292 wrote to memory of 2200 2292 204578b9d8eac4192c6030d9d89ac3c0N.exe 32 PID 2292 wrote to memory of 2200 2292 204578b9d8eac4192c6030d9d89ac3c0N.exe 32 PID 2292 wrote to memory of 2200 2292 204578b9d8eac4192c6030d9d89ac3c0N.exe 32 PID 2292 wrote to memory of 2200 2292 204578b9d8eac4192c6030d9d89ac3c0N.exe 32 PID 1904 wrote to memory of 2636 1904 vnc.exe 34 PID 1904 wrote to memory of 2636 1904 vnc.exe 34 PID 1904 wrote to memory of 2636 1904 vnc.exe 34 PID 1904 wrote to memory of 2636 1904 vnc.exe 34 PID 2956 wrote to memory of 2672 2956 windef.exe 36 PID 2956 wrote to memory of 2672 2956 windef.exe 36 PID 2956 wrote to memory of 2672 2956 windef.exe 36 PID 2956 wrote to memory of 2672 2956 windef.exe 36 PID 2956 wrote to memory of 2612 2956 windef.exe 39 PID 2956 wrote to memory of 2612 2956 windef.exe 39 PID 2956 wrote to memory of 2612 2956 windef.exe 39 PID 2956 wrote to memory of 2612 2956 windef.exe 39
Processes
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C:\Users\Admin\AppData\Local\Temp\204578b9d8eac4192c6030d9d89ac3c0N.exe"C:\Users\Admin\AppData\Local\Temp\204578b9d8eac4192c6030d9d89ac3c0N.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:2292 -
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:1904 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:2412
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1904 -s 1603⤵
- Loads dropped DLL
- Program crash
PID:2636
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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:2956 -
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:2672
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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:2612 -
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:604
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C:\Users\Admin\AppData\Local\Temp\204578b9d8eac4192c6030d9d89ac3c0N.exe"C:\Users\Admin\AppData\Local\Temp\204578b9d8eac4192c6030d9d89ac3c0N.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2416
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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:2200
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb
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Filesize
405KB
MD5b8ba87ee4c3fc085a2fed0d839aadce1
SHA1b3a2e3256406330e8b1779199bb2b9865122d766
SHA2564e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4
SHA5127a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2