Analysis
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max time kernel
3s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
06-08-2024 17:50
Behavioral task
behavioral1
Sample
d4e811c9eb09300e1b3d241281c89320N.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
d4e811c9eb09300e1b3d241281c89320N.exe
Resource
win10v2004-20240802-en
General
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Target
d4e811c9eb09300e1b3d241281c89320N.exe
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Size
2.0MB
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MD5
d4e811c9eb09300e1b3d241281c89320
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SHA1
050e8a63b068bbe766c8f3167a0e05c99fee4d5a
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SHA256
9d31ec2cb8726e1f9d75e2b72f7fec411d257e1aa9d0f6c14811ed807c574aec
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SHA512
f9755c0d69a891386670d8494b5e9b41b50f128a9dc530df6398db200fd68640e4c70b0fa8245a89a684480b23e8f7a0fd1f7e136f865a1d43fef87263940a42
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYP: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
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\windef.exe family_quasar behavioral1/memory/2652-46-0x00000000008A0000-0x00000000008FE000-memory.dmp family_quasar behavioral1/memory/2036-58-0x00000000011B0000-0x000000000120E000-memory.dmp family_quasar -
Executes dropped EXE 3 IoCs
Processes:
vnc.exewindef.exewinsock.exepid process 2320 vnc.exe 2652 windef.exe 2036 winsock.exe -
Loads dropped DLL 13 IoCs
Processes:
d4e811c9eb09300e1b3d241281c89320N.exeWerFault.exewindef.exepid process 484 d4e811c9eb09300e1b3d241281c89320N.exe 484 d4e811c9eb09300e1b3d241281c89320N.exe 484 d4e811c9eb09300e1b3d241281c89320N.exe 484 d4e811c9eb09300e1b3d241281c89320N.exe 484 d4e811c9eb09300e1b3d241281c89320N.exe 484 d4e811c9eb09300e1b3d241281c89320N.exe 484 d4e811c9eb09300e1b3d241281c89320N.exe 484 d4e811c9eb09300e1b3d241281c89320N.exe 2608 WerFault.exe 2608 WerFault.exe 2608 WerFault.exe 2608 WerFault.exe 2652 windef.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
d4e811c9eb09300e1b3d241281c89320N.exedescription ioc process File opened (read-only) \??\q: d4e811c9eb09300e1b3d241281c89320N.exe File opened (read-only) \??\s: d4e811c9eb09300e1b3d241281c89320N.exe File opened (read-only) \??\u: d4e811c9eb09300e1b3d241281c89320N.exe File opened (read-only) \??\v: d4e811c9eb09300e1b3d241281c89320N.exe File opened (read-only) \??\e: d4e811c9eb09300e1b3d241281c89320N.exe File opened (read-only) \??\g: d4e811c9eb09300e1b3d241281c89320N.exe File opened (read-only) \??\n: d4e811c9eb09300e1b3d241281c89320N.exe File opened (read-only) \??\p: d4e811c9eb09300e1b3d241281c89320N.exe File opened (read-only) \??\z: d4e811c9eb09300e1b3d241281c89320N.exe File opened (read-only) \??\o: d4e811c9eb09300e1b3d241281c89320N.exe File opened (read-only) \??\x: d4e811c9eb09300e1b3d241281c89320N.exe File opened (read-only) \??\h: d4e811c9eb09300e1b3d241281c89320N.exe File opened (read-only) \??\i: d4e811c9eb09300e1b3d241281c89320N.exe File opened (read-only) \??\k: d4e811c9eb09300e1b3d241281c89320N.exe File opened (read-only) \??\l: d4e811c9eb09300e1b3d241281c89320N.exe File opened (read-only) \??\a: d4e811c9eb09300e1b3d241281c89320N.exe File opened (read-only) \??\b: d4e811c9eb09300e1b3d241281c89320N.exe File opened (read-only) \??\t: d4e811c9eb09300e1b3d241281c89320N.exe File opened (read-only) \??\w: d4e811c9eb09300e1b3d241281c89320N.exe File opened (read-only) \??\j: d4e811c9eb09300e1b3d241281c89320N.exe File opened (read-only) \??\m: d4e811c9eb09300e1b3d241281c89320N.exe File opened (read-only) \??\r: d4e811c9eb09300e1b3d241281c89320N.exe File opened (read-only) \??\y: d4e811c9eb09300e1b3d241281c89320N.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.
Processes:
flow ioc 4 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
d4e811c9eb09300e1b3d241281c89320N.exedescription pid process target process PID 484 set thread context of 1284 484 d4e811c9eb09300e1b3d241281c89320N.exe d4e811c9eb09300e1b3d241281c89320N.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2608 2320 WerFault.exe vnc.exe -
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.
Processes:
d4e811c9eb09300e1b3d241281c89320N.exevnc.exed4e811c9eb09300e1b3d241281c89320N.exewindef.exeschtasks.exeschtasks.exewinsock.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d4e811c9eb09300e1b3d241281c89320N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vnc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d4e811c9eb09300e1b3d241281c89320N.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.
Processes:
schtasks.exeschtasks.exeschtasks.exepid process 2984 schtasks.exe 1980 schtasks.exe 1788 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
d4e811c9eb09300e1b3d241281c89320N.exepid process 484 d4e811c9eb09300e1b3d241281c89320N.exe 484 d4e811c9eb09300e1b3d241281c89320N.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
windef.exewinsock.exedescription pid process Token: SeDebugPrivilege 2652 windef.exe Token: SeDebugPrivilege 2036 winsock.exe -
Suspicious use of WriteProcessMemory 39 IoCs
Processes:
d4e811c9eb09300e1b3d241281c89320N.exevnc.exewindef.exewinsock.exedescription pid process target process PID 484 wrote to memory of 2320 484 d4e811c9eb09300e1b3d241281c89320N.exe vnc.exe PID 484 wrote to memory of 2320 484 d4e811c9eb09300e1b3d241281c89320N.exe vnc.exe PID 484 wrote to memory of 2320 484 d4e811c9eb09300e1b3d241281c89320N.exe vnc.exe PID 484 wrote to memory of 2320 484 d4e811c9eb09300e1b3d241281c89320N.exe vnc.exe PID 2320 wrote to memory of 2480 2320 vnc.exe svchost.exe PID 2320 wrote to memory of 2480 2320 vnc.exe svchost.exe PID 2320 wrote to memory of 2480 2320 vnc.exe svchost.exe PID 2320 wrote to memory of 2480 2320 vnc.exe svchost.exe PID 2320 wrote to memory of 2480 2320 vnc.exe svchost.exe PID 484 wrote to memory of 2652 484 d4e811c9eb09300e1b3d241281c89320N.exe windef.exe PID 484 wrote to memory of 2652 484 d4e811c9eb09300e1b3d241281c89320N.exe windef.exe PID 484 wrote to memory of 2652 484 d4e811c9eb09300e1b3d241281c89320N.exe windef.exe PID 484 wrote to memory of 2652 484 d4e811c9eb09300e1b3d241281c89320N.exe windef.exe PID 484 wrote to memory of 1284 484 d4e811c9eb09300e1b3d241281c89320N.exe d4e811c9eb09300e1b3d241281c89320N.exe PID 484 wrote to memory of 1284 484 d4e811c9eb09300e1b3d241281c89320N.exe d4e811c9eb09300e1b3d241281c89320N.exe PID 484 wrote to memory of 1284 484 d4e811c9eb09300e1b3d241281c89320N.exe d4e811c9eb09300e1b3d241281c89320N.exe PID 484 wrote to memory of 1284 484 d4e811c9eb09300e1b3d241281c89320N.exe d4e811c9eb09300e1b3d241281c89320N.exe PID 484 wrote to memory of 1284 484 d4e811c9eb09300e1b3d241281c89320N.exe d4e811c9eb09300e1b3d241281c89320N.exe PID 484 wrote to memory of 1284 484 d4e811c9eb09300e1b3d241281c89320N.exe d4e811c9eb09300e1b3d241281c89320N.exe PID 484 wrote to memory of 2984 484 d4e811c9eb09300e1b3d241281c89320N.exe schtasks.exe PID 484 wrote to memory of 2984 484 d4e811c9eb09300e1b3d241281c89320N.exe schtasks.exe PID 484 wrote to memory of 2984 484 d4e811c9eb09300e1b3d241281c89320N.exe schtasks.exe PID 484 wrote to memory of 2984 484 d4e811c9eb09300e1b3d241281c89320N.exe schtasks.exe PID 2320 wrote to memory of 2608 2320 vnc.exe WerFault.exe PID 2320 wrote to memory of 2608 2320 vnc.exe WerFault.exe PID 2320 wrote to memory of 2608 2320 vnc.exe WerFault.exe PID 2320 wrote to memory of 2608 2320 vnc.exe WerFault.exe PID 2652 wrote to memory of 1980 2652 windef.exe schtasks.exe PID 2652 wrote to memory of 1980 2652 windef.exe schtasks.exe PID 2652 wrote to memory of 1980 2652 windef.exe schtasks.exe PID 2652 wrote to memory of 1980 2652 windef.exe schtasks.exe PID 2652 wrote to memory of 2036 2652 windef.exe winsock.exe PID 2652 wrote to memory of 2036 2652 windef.exe winsock.exe PID 2652 wrote to memory of 2036 2652 windef.exe winsock.exe PID 2652 wrote to memory of 2036 2652 windef.exe winsock.exe PID 2036 wrote to memory of 1788 2036 winsock.exe schtasks.exe PID 2036 wrote to memory of 1788 2036 winsock.exe schtasks.exe PID 2036 wrote to memory of 1788 2036 winsock.exe schtasks.exe PID 2036 wrote to memory of 1788 2036 winsock.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d4e811c9eb09300e1b3d241281c89320N.exe"C:\Users\Admin\AppData\Local\Temp\d4e811c9eb09300e1b3d241281c89320N.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:484 -
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:2320 -
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 2320 -s 1603⤵
- Loads dropped DLL
- Program crash
PID:2608 -
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:2652 -
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:1980 -
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 WriteProcessMemory
PID:2036 -
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:1788 -
C:\Users\Admin\AppData\Local\Temp\d4e811c9eb09300e1b3d241281c89320N.exe"C:\Users\Admin\AppData\Local\Temp\d4e811c9eb09300e1b3d241281c89320N.exe"2⤵
- System Location Discovery: System Language Discovery
PID:1284 -
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:2984
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
405KB
MD5b8ba87ee4c3fc085a2fed0d839aadce1
SHA1b3a2e3256406330e8b1779199bb2b9865122d766
SHA2564e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4
SHA5127a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2
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Filesize
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb