Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240412-en - resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system - submitted
17/04/2024, 01:22
Behavioral task
behavioral1
Sample
Update.exe
Resource
win7-20240221-en
windows7-x64
3 signatures
150 seconds
General
- Target Update.exe
- Size 4.0MB
- Sample240417-brcbmshg47
- SHA256 08638752e1338dcc9c872a83284acd4ccb9a1be4741c4927ee553c89407b27ad
- MD5 cecea254dded0c740991d97626265f07
- SHA1 2652dfc88b52295290586d2dc87c22ccbdb185c2
- SHA512 5ebea428024ea921a0e6d9fa9d5b29a8b0f81e639b423c8d8c41647f13379cba5ae072e918955b8889dc37aedd8a3e7b668880a57162d8934196702edd200c11
- SSDEEP 98304:mnf+y2FqZaVmN+PqlhU//vlL1YP5oj17gdnpR:k0Z1Oc1Az
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
quasar
Attributes
-
reconnect_delay
5000
Signatures
- Quasar payload 1 IoCs
resource yara_rule behavioral2/memory/736-0-0x0000000000530000-0x0000000000930000-memory.dmp family_quasar - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000 taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A taskmgr.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000_Classes\Local Settings taskmgr.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 736 Update.exe Token: SeDebugPrivilege 2220 taskmgr.exe Token: SeSystemProfilePrivilege 2220 taskmgr.exe Token: SeCreateGlobalPrivilege 2220 taskmgr.exe - Suspicious use of FindShellTrayWindow 64 IoCs
pid Process 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe - Suspicious use of SendNotifyMessage 64 IoCs
pid Process 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe 2220 taskmgr.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Update.exe"C:\Users\Admin\AppData\Local\Temp\Update.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
PID:736
-
C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /71⤵
- Checks SCSI registry key(s)
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2220
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:964
-
C:\Windows\System32\12t9_p.exe"C:\Windows\System32\12t9_p.exe"1⤵PID:3408