Analysis
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max time kernel
3s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
10-09-2024 12:40
Behavioral task
behavioral1
Sample
1a74b8c95a665c0f6b0ea908e55e5bf0N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
1a74b8c95a665c0f6b0ea908e55e5bf0N.exe
Resource
win10v2004-20240802-en
General
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Target
1a74b8c95a665c0f6b0ea908e55e5bf0N.exe
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Size
2.0MB
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MD5
1a74b8c95a665c0f6b0ea908e55e5bf0
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SHA1
adb11e8ed5da851595e084fdf3020ed55d66c489
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SHA256
b7ed1188f5177d8edc14d0a18d2303fefb0882c3b73a36589266af5a798c94e3
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SHA512
1488a64cb4db1c07c21f6bea4c3244c6d39fd49ef43f06860b560cb429e0fe9089b6a5162d9b4d81d2c1bdf6b95dcfc588b625a5f7ba2ec45d2fd459004727d3
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SSDEEP
24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY7:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yd
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 behavioral1/files/0x0008000000014b28-29.dat family_quasar behavioral1/memory/2768-46-0x0000000000E20000-0x0000000000E7E000-memory.dmp family_quasar behavioral1/memory/572-58-0x0000000000070000-0x00000000000CE000-memory.dmp family_quasar -
Executes dropped EXE 3 IoCs
Processes:
vnc.exewindef.exewinsock.exepid Process 2900 vnc.exe 2768 windef.exe 572 winsock.exe -
Loads dropped DLL 13 IoCs
Processes:
1a74b8c95a665c0f6b0ea908e55e5bf0N.exeWerFault.exewindef.exepid Process 1688 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe 1688 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe 1688 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe 1688 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe 1688 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe 1688 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe 1688 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe 1688 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe 2792 WerFault.exe 2792 WerFault.exe 2792 WerFault.exe 2792 WerFault.exe 2768 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:
1a74b8c95a665c0f6b0ea908e55e5bf0N.exedescription ioc Process File opened (read-only) \??\p: 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe File opened (read-only) \??\x: 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe File opened (read-only) \??\e: 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe File opened (read-only) \??\g: 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe File opened (read-only) \??\m: 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe File opened (read-only) \??\r: 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe File opened (read-only) \??\u: 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe File opened (read-only) \??\v: 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe File opened (read-only) \??\w: 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe File opened (read-only) \??\h: 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe File opened (read-only) \??\j: 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe File opened (read-only) \??\k: 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe File opened (read-only) \??\q: 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe File opened (read-only) \??\z: 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe File opened (read-only) \??\i: 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe File opened (read-only) \??\l: 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe File opened (read-only) \??\o: 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe File opened (read-only) \??\s: 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe File opened (read-only) \??\t: 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe File opened (read-only) \??\y: 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe File opened (read-only) \??\a: 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe File opened (read-only) \??\b: 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe File opened (read-only) \??\n: 1a74b8c95a665c0f6b0ea908e55e5bf0N.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 6 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
1a74b8c95a665c0f6b0ea908e55e5bf0N.exedescription pid Process procid_target PID 1688 set thread context of 2692 1688 1a74b8c95a665c0f6b0ea908e55e5bf0N.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
Processes:
WerFault.exepid pid_target Process procid_target 2792 2900 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.
Processes:
windef.exeschtasks.exeschtasks.exewinsock.exe1a74b8c95a665c0f6b0ea908e55e5bf0N.exevnc.exe1a74b8c95a665c0f6b0ea908e55e5bf0N.exedescription ioc Process 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 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vnc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1a74b8c95a665c0f6b0ea908e55e5bf0N.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 2980 schtasks.exe 2984 schtasks.exe 1368 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
1a74b8c95a665c0f6b0ea908e55e5bf0N.exepid Process 1688 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe 1688 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
windef.exewinsock.exedescription pid Process Token: SeDebugPrivilege 2768 windef.exe Token: SeDebugPrivilege 572 winsock.exe -
Suspicious use of WriteProcessMemory 35 IoCs
Processes:
1a74b8c95a665c0f6b0ea908e55e5bf0N.exevnc.exewindef.exedescription pid Process procid_target PID 1688 wrote to memory of 2900 1688 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe 28 PID 1688 wrote to memory of 2900 1688 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe 28 PID 1688 wrote to memory of 2900 1688 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe 28 PID 1688 wrote to memory of 2900 1688 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe 28 PID 2900 wrote to memory of 2648 2900 vnc.exe 29 PID 2900 wrote to memory of 2648 2900 vnc.exe 29 PID 2900 wrote to memory of 2648 2900 vnc.exe 29 PID 2900 wrote to memory of 2648 2900 vnc.exe 29 PID 2900 wrote to memory of 2648 2900 vnc.exe 29 PID 1688 wrote to memory of 2768 1688 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe 30 PID 1688 wrote to memory of 2768 1688 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe 30 PID 1688 wrote to memory of 2768 1688 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe 30 PID 1688 wrote to memory of 2768 1688 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe 30 PID 1688 wrote to memory of 2692 1688 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe 31 PID 1688 wrote to memory of 2692 1688 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe 31 PID 1688 wrote to memory of 2692 1688 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe 31 PID 1688 wrote to memory of 2692 1688 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe 31 PID 1688 wrote to memory of 2692 1688 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe 31 PID 1688 wrote to memory of 2692 1688 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe 31 PID 1688 wrote to memory of 2984 1688 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe 32 PID 1688 wrote to memory of 2984 1688 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe 32 PID 1688 wrote to memory of 2984 1688 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe 32 PID 1688 wrote to memory of 2984 1688 1a74b8c95a665c0f6b0ea908e55e5bf0N.exe 32 PID 2900 wrote to memory of 2792 2900 vnc.exe 34 PID 2900 wrote to memory of 2792 2900 vnc.exe 34 PID 2900 wrote to memory of 2792 2900 vnc.exe 34 PID 2900 wrote to memory of 2792 2900 vnc.exe 34 PID 2768 wrote to memory of 1368 2768 windef.exe 36 PID 2768 wrote to memory of 1368 2768 windef.exe 36 PID 2768 wrote to memory of 1368 2768 windef.exe 36 PID 2768 wrote to memory of 1368 2768 windef.exe 36 PID 2768 wrote to memory of 572 2768 windef.exe 38 PID 2768 wrote to memory of 572 2768 windef.exe 38 PID 2768 wrote to memory of 572 2768 windef.exe 38 PID 2768 wrote to memory of 572 2768 windef.exe 38
Processes
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C:\Users\Admin\AppData\Local\Temp\1a74b8c95a665c0f6b0ea908e55e5bf0N.exe"C:\Users\Admin\AppData\Local\Temp\1a74b8c95a665c0f6b0ea908e55e5bf0N.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:1688 -
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:2900 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k3⤵PID:2648
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 1603⤵
- Loads dropped DLL
- Program crash
PID:2792
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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:2768 -
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:1368
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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
- Suspicious use of AdjustPrivilegeToken
PID:572 -
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:2980
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C:\Users\Admin\AppData\Local\Temp\1a74b8c95a665c0f6b0ea908e55e5bf0N.exe"C:\Users\Admin\AppData\Local\Temp\1a74b8c95a665c0f6b0ea908e55e5bf0N.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2692
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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:2984
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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
349KB
MD5b4a202e03d4135484d0e730173abcc72
SHA101b30014545ea526c15a60931d676f9392ea0c70
SHA2567050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9
SHA512632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb