Analysis
- max time kernel
18s - max time network
13s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
13/10/2024, 15:06
Behavioral task
behavioral1
Sample
nl.exe
Resource
win7-20240729-en
0 signatures
150 seconds
Behavioral task
behavioral2
Sample
nl.exe
Resource
win10v2004-20241007-en
9 signatures
150 seconds
General
- Target nl.exe
- Size 9.9MB
- Sample241013-sgrr1ssfla
- SHA256 866f73e89b19292ef7f39485f9d093b4bbc21cb2d3292d62e278b6cb5fe7de11
- MD5 fd4ceb3124de74d27b1e053b3a44dcca
- SHA1 bc58663c46fa19005453b859bc8e4a44a0816243
- SHA512 d07f7a1495eca9f1eac12f5c84e1d03e260a260a679c4b2ea777b6f4772a4227323f3df808e6350e63fa1941307b3fcb67de7def080b92c68df23507a581d2c4
- SSDEEP 98304:DSqYOqIFdnwzdDhHPymsT9c3UsfFXHpE9BYvFZmFzy:2qYOdnwj6N9c3UsFXHqawzy
- MD5 SHA1 SHA512 SSDEEP
Score
6/10
Malware Config
Signatures
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Realtek HD Audio Universal Service = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Protect\\SecurityHealthSystray.exe" nl.exe - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A taskmgr.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName taskmgr.exe - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 taskmgr.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString taskmgr.exe - Suspicious behavior: EnumeratesProcesses 17 IoCs
pid Process 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 4436 nl.exe Token: SeDebugPrivilege 3424 taskmgr.exe Token: SeSystemProfilePrivilege 3424 taskmgr.exe Token: SeCreateGlobalPrivilege 3424 taskmgr.exe Token: 33 3424 taskmgr.exe Token: SeIncBasePriorityPrivilege 3424 taskmgr.exe - Suspicious use of FindShellTrayWindow 40 IoCs
pid Process 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe - Suspicious use of SendNotifyMessage 40 IoCs
pid Process 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe 3424 taskmgr.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4436 wrote to memory of 1460 4436 nl.exe 85 PID 4436 wrote to memory of 1460 4436 nl.exe 85 - Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 1460 attrib.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\nl.exe"C:\Users\Admin\AppData\Local\Temp\nl.exe"1⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4436 -
C:\Windows\system32\attrib.exeattrib +h +s C:\Users\Admin\AppData\Local\Temp\nl.exe2⤵
- Views/modifies file attributes
PID:1460
-
-
C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Checks SCSI registry key(s)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3424
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
- Size 2.0MB
- SHA256 7f8e8c4655bfd93134b9b31ad14a0870e08e99effbff98288014fa6b25f00546
- MD5 fdd4f38bfc8d4a06d10ebb8866245453
- SHA1 0bb57b532599686373bc053dd6ef632a74b1aaad
- SHA512 c7cbd47aede42a1227b97be212175402e7bdf4c03e302c8ce42b8afc4cd0fdc6f65f19b5b328145630f0adeda826991a746e8bd38770142b9e034a87695b20fe
- SSDEEP 24576:QPXeLz9MnoyoY0VZyKb5qcpZMqey9su/2QairzuqGkZEQB2:IXeLZIorY0VZyKdqOM3QamDB2
- MD5 SHA1 SHA512 SSDEEP