Analysis
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max time kernel
1s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
20-08-2024 03:11
Behavioral task
behavioral1
Sample
bda13765d7e48afda2ba66b96f82ccc0N.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
bda13765d7e48afda2ba66b96f82ccc0N.exe
Resource
win10v2004-20240802-en
General
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Target
bda13765d7e48afda2ba66b96f82ccc0N.exe
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Size
2.0MB
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MD5
bda13765d7e48afda2ba66b96f82ccc0
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SHA1
3e59b18e85d1d025ec88c9bbfc097b7401cd1ead
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SHA256
031a6b89fdc180c3d97933380b971c3574b85f7e7760dc1fb1614ffba9a83df7
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SHA512
a38da85c04825b310f333727f5e3074913c9d3bdddd1730be7d6eebfb46bc382924ed1f057f4db1dc88bae4b2585ae04cde270610191fef38b13a41276ba258c
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYB:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yf
Malware Config
Extracted
azorult
http://0x21.in:8000/_az/
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
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 4 IoCs
Processes:
resource yara_rule behavioral1/memory/1740-44-0x0000000000A30000-0x0000000000A8E000-memory.dmp family_quasar behavioral1/memory/484-58-0x00000000000E0000-0x000000000013E000-memory.dmp family_quasar behavioral1/memory/1740-44-0x0000000000A30000-0x0000000000A8E000-memory.dmp family_quasar behavioral1/memory/484-58-0x00000000000E0000-0x000000000013E000-memory.dmp family_quasar -
Executes dropped EXE 4 IoCs
Processes:
vnc.exewindef.exepid process 1948 vnc.exe 1740 windef.exe 1948 vnc.exe 1740 windef.exe -
Loads dropped DLL 24 IoCs
Processes:
bda13765d7e48afda2ba66b96f82ccc0N.exeWerFault.exepid process 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe 2964 WerFault.exe 2964 WerFault.exe 2964 WerFault.exe 2964 WerFault.exe 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe 2964 WerFault.exe 2964 WerFault.exe 2964 WerFault.exe 2964 WerFault.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
bda13765d7e48afda2ba66b96f82ccc0N.exedescription ioc process File opened (read-only) \??\t: bda13765d7e48afda2ba66b96f82ccc0N.exe File opened (read-only) \??\v: bda13765d7e48afda2ba66b96f82ccc0N.exe File opened (read-only) \??\y: bda13765d7e48afda2ba66b96f82ccc0N.exe File opened (read-only) \??\g: bda13765d7e48afda2ba66b96f82ccc0N.exe File opened (read-only) \??\l: bda13765d7e48afda2ba66b96f82ccc0N.exe File opened (read-only) \??\o: bda13765d7e48afda2ba66b96f82ccc0N.exe File opened (read-only) \??\r: bda13765d7e48afda2ba66b96f82ccc0N.exe File opened (read-only) \??\s: bda13765d7e48afda2ba66b96f82ccc0N.exe File opened (read-only) \??\z: bda13765d7e48afda2ba66b96f82ccc0N.exe File opened (read-only) \??\b: bda13765d7e48afda2ba66b96f82ccc0N.exe File opened (read-only) \??\h: bda13765d7e48afda2ba66b96f82ccc0N.exe File opened (read-only) \??\n: bda13765d7e48afda2ba66b96f82ccc0N.exe File opened (read-only) \??\u: bda13765d7e48afda2ba66b96f82ccc0N.exe File opened (read-only) \??\x: bda13765d7e48afda2ba66b96f82ccc0N.exe File opened (read-only) \??\i: bda13765d7e48afda2ba66b96f82ccc0N.exe File opened (read-only) \??\j: bda13765d7e48afda2ba66b96f82ccc0N.exe File opened (read-only) \??\k: bda13765d7e48afda2ba66b96f82ccc0N.exe File opened (read-only) \??\m: bda13765d7e48afda2ba66b96f82ccc0N.exe File opened (read-only) \??\a: bda13765d7e48afda2ba66b96f82ccc0N.exe File opened (read-only) \??\e: bda13765d7e48afda2ba66b96f82ccc0N.exe File opened (read-only) \??\p: bda13765d7e48afda2ba66b96f82ccc0N.exe File opened (read-only) \??\q: bda13765d7e48afda2ba66b96f82ccc0N.exe File opened (read-only) \??\w: bda13765d7e48afda2ba66b96f82ccc0N.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 2 IoCs
Processes:
bda13765d7e48afda2ba66b96f82ccc0N.exedescription pid process target process PID 1952 set thread context of 2700 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe bda13765d7e48afda2ba66b96f82ccc0N.exe PID 1952 set thread context of 2700 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe bda13765d7e48afda2ba66b96f82ccc0N.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
Processes:
WerFault.exepid pid_target process target process 2964 1948 WerFault.exe vnc.exe 2964 1948 WerFault.exe vnc.exe -
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.
Processes:
vnc.exewindef.exebda13765d7e48afda2ba66b96f82ccc0N.exeschtasks.exebda13765d7e48afda2ba66b96f82ccc0N.exedescription 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 bda13765d7e48afda2ba66b96f82ccc0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bda13765d7e48afda2ba66b96f82ccc0N.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 1992 schtasks.exe 2792 schtasks.exe 2880 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
bda13765d7e48afda2ba66b96f82ccc0N.exepid process 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
windef.exedescription pid process Token: SeDebugPrivilege 1740 windef.exe Token: SeDebugPrivilege 1740 windef.exe -
Suspicious use of WriteProcessMemory 54 IoCs
Processes:
bda13765d7e48afda2ba66b96f82ccc0N.exevnc.exedescription pid process target process PID 1952 wrote to memory of 1948 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe vnc.exe PID 1952 wrote to memory of 1948 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe vnc.exe PID 1952 wrote to memory of 1948 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe vnc.exe PID 1952 wrote to memory of 1948 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe vnc.exe PID 1948 wrote to memory of 2060 1948 vnc.exe svchost.exe PID 1948 wrote to memory of 2060 1948 vnc.exe svchost.exe PID 1948 wrote to memory of 2060 1948 vnc.exe svchost.exe PID 1948 wrote to memory of 2060 1948 vnc.exe svchost.exe PID 1948 wrote to memory of 2060 1948 vnc.exe svchost.exe PID 1952 wrote to memory of 1740 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe windef.exe PID 1952 wrote to memory of 1740 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe windef.exe PID 1952 wrote to memory of 1740 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe windef.exe PID 1952 wrote to memory of 1740 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe windef.exe PID 1952 wrote to memory of 2700 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe bda13765d7e48afda2ba66b96f82ccc0N.exe PID 1952 wrote to memory of 2700 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe bda13765d7e48afda2ba66b96f82ccc0N.exe PID 1952 wrote to memory of 2700 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe bda13765d7e48afda2ba66b96f82ccc0N.exe PID 1952 wrote to memory of 2700 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe bda13765d7e48afda2ba66b96f82ccc0N.exe PID 1952 wrote to memory of 2700 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe bda13765d7e48afda2ba66b96f82ccc0N.exe PID 1952 wrote to memory of 2700 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe bda13765d7e48afda2ba66b96f82ccc0N.exe PID 1952 wrote to memory of 2792 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe schtasks.exe PID 1952 wrote to memory of 2792 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe schtasks.exe PID 1952 wrote to memory of 2792 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe schtasks.exe PID 1952 wrote to memory of 2792 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe schtasks.exe PID 1948 wrote to memory of 2964 1948 vnc.exe WerFault.exe PID 1948 wrote to memory of 2964 1948 vnc.exe WerFault.exe PID 1948 wrote to memory of 2964 1948 vnc.exe WerFault.exe PID 1948 wrote to memory of 2964 1948 vnc.exe WerFault.exe PID 1952 wrote to memory of 1948 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe vnc.exe PID 1952 wrote to memory of 1948 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe vnc.exe PID 1952 wrote to memory of 1948 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe vnc.exe PID 1952 wrote to memory of 1948 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe vnc.exe PID 1948 wrote to memory of 2060 1948 vnc.exe svchost.exe PID 1948 wrote to memory of 2060 1948 vnc.exe svchost.exe PID 1948 wrote to memory of 2060 1948 vnc.exe svchost.exe PID 1948 wrote to memory of 2060 1948 vnc.exe svchost.exe PID 1948 wrote to memory of 2060 1948 vnc.exe svchost.exe PID 1952 wrote to memory of 1740 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe windef.exe PID 1952 wrote to memory of 1740 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe windef.exe PID 1952 wrote to memory of 1740 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe windef.exe PID 1952 wrote to memory of 1740 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe windef.exe PID 1952 wrote to memory of 2700 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe bda13765d7e48afda2ba66b96f82ccc0N.exe PID 1952 wrote to memory of 2700 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe bda13765d7e48afda2ba66b96f82ccc0N.exe PID 1952 wrote to memory of 2700 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe bda13765d7e48afda2ba66b96f82ccc0N.exe PID 1952 wrote to memory of 2700 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe bda13765d7e48afda2ba66b96f82ccc0N.exe PID 1952 wrote to memory of 2700 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe bda13765d7e48afda2ba66b96f82ccc0N.exe PID 1952 wrote to memory of 2700 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe bda13765d7e48afda2ba66b96f82ccc0N.exe PID 1952 wrote to memory of 2792 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe schtasks.exe PID 1952 wrote to memory of 2792 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe schtasks.exe PID 1952 wrote to memory of 2792 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe schtasks.exe PID 1952 wrote to memory of 2792 1952 bda13765d7e48afda2ba66b96f82ccc0N.exe schtasks.exe PID 1948 wrote to memory of 2964 1948 vnc.exe WerFault.exe PID 1948 wrote to memory of 2964 1948 vnc.exe WerFault.exe PID 1948 wrote to memory of 2964 1948 vnc.exe WerFault.exe PID 1948 wrote to memory of 2964 1948 vnc.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bda13765d7e48afda2ba66b96f82ccc0N.exe"C:\Users\Admin\AppData\Local\Temp\bda13765d7e48afda2ba66b96f82ccc0N.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:1952 -
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:1948 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:2060
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 1603⤵
- Loads dropped DLL
- Program crash
PID:2964 -
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:1740 -
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:2880 -
C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"3⤵PID:484
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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:1992 -
C:\Users\Admin\AppData\Local\Temp\bda13765d7e48afda2ba66b96f82ccc0N.exe"C:\Users\Admin\AppData\Local\Temp\bda13765d7e48afda2ba66b96f82ccc0N.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2700 -
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:2792
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb
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Filesize
405KB
MD5b8ba87ee4c3fc085a2fed0d839aadce1
SHA1b3a2e3256406330e8b1779199bb2b9865122d766
SHA2564e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4
SHA5127a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2