Analysis
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max time kernel
150s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
18-01-2024 03:17
Behavioral task
behavioral1
Sample
a24f02aa70607beea6af7963d2a51a4d.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
a24f02aa70607beea6af7963d2a51a4d.exe
Resource
win10v2004-20231215-en
General
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Target
a24f02aa70607beea6af7963d2a51a4d.exe
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Size
32KB
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MD5
a24f02aa70607beea6af7963d2a51a4d
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SHA1
fdbf0458799b50f52b231151d84c5d68f6e6da95
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SHA256
9a77f554fbc23a4d71cbb980b5dcdef80291fa70849430a929a1e1bb9cebc2dc
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SHA512
2d8d64931184e5d202e097157fc783ba6245b78374a1baefed1abc31a0458acc486f389447bd7cdc7ed2f38a3f91ecbced50923575233e470837790590c52222
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SSDEEP
768:OAUqYpNSIoKpDd1KM02kQhx4hOtFceWzYqvz0bOS:HLo8LKtd1PBkQD4UtFceWnz
Malware Config
Extracted
smokeloader
up3
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Signatures
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Modifies firewall policy service 2 TTPs 8 IoCs
Processes:
explorer.exe915uyaw9uecyus_1.exedescription ioc process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile explorer.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" explorer.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\PublicProfile explorer.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\PublicProfile\EnableFirewall = "0" explorer.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile 915uyaw9uecyus_1.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" 915uyaw9uecyus_1.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\PublicProfile 915uyaw9uecyus_1.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\PublicProfile\EnableFirewall = "0" 915uyaw9uecyus_1.exe -
Modifies security service 2 TTPs 1 IoCs
Processes:
regedit.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\ImagePath regedit.exe -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Disables taskbar notifications via registry modification
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Disables use of System Restore points 1 TTPs
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Sets file execution options in registry 2 TTPs 20 IoCs
Processes:
915uyaw9uecyus_1.exeregedit.exeexplorer.exeBB82.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mbamgui.exe\Debugger = "bejxw.exe" 915uyaw9uecyus_1.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mbam.exe 915uyaw9uecyus_1.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mbam.exe\Debugger = "qswoi.exe" 915uyaw9uecyus_1.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MRT.exe\Debugger = "mcvypycyexm.exe" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mrtstub.exe regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Mrtstub.exe 915uyaw9uecyus_1.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MRT.exe\Debugger = "efdhy.exe" 915uyaw9uecyus_1.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\winmgr108.exe\Debugger = "nmefpzt.exe" 915uyaw9uecyus_1.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe\Debugger = "yoowqeb.exe" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Mrtstub.exe\Debugger = "pnfsc.exe" 915uyaw9uecyus_1.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MRT.exe 915uyaw9uecyus_1.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MRT.exe regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Mrtstub.exe\Debugger = "iuoxfkinygt.exe" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\winmgr108.exe 915uyaw9uecyus_1.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\915uyaw9uecyus.exe BB82.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\915uyaw9uecyus.exe\DisableExceptionChainValidation BB82.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mbamgui.exe 915uyaw9uecyus_1.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe\Debugger = "csoqorwtytr.exe" regedit.exe -
Sets service image path in registry 2 TTPs 1 IoCs
Processes:
regedit.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\ImagePath regedit.exe -
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
explorer.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorer.exe -
Deletes itself 1 IoCs
Processes:
Explorer.EXEpid process 1204 Explorer.EXE -
Executes dropped EXE 4 IoCs
Processes:
BB82.exeC8AD.exe915uyaw9uecyus_1.exebhrevihpid process 1924 BB82.exe 2600 C8AD.exe 680 915uyaw9uecyus_1.exe 1932 bhrevih -
Loads dropped DLL 1 IoCs
Processes:
explorer.exepid process 2704 explorer.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
explorer.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Java Updater = "C:\\ProgramData\\Java Updater\\915uyaw9uecyus.exe" explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\Java Updater = "\"C:\\ProgramData\\Java Updater\\915uyaw9uecyus.exe\"" explorer.exe -
Checks for any installed AV software in registry 1 TTPs 2 IoCs
Processes:
915uyaw9uecyus_1.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\AntiVirService 915uyaw9uecyus_1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\avast! Antivirus 915uyaw9uecyus_1.exe -
Processes:
915uyaw9uecyus_1.exeBB82.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 915uyaw9uecyus_1.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA BB82.exe -
Drops desktop.ini file(s) 1 IoCs
Processes:
explorer.exedescription ioc process File opened for modification C:\ProgramData\Java Updater\desktop.ini explorer.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs
Processes:
BB82.exeexplorer.exe915uyaw9uecyus_1.exepid process 1924 BB82.exe 2704 explorer.exe 2704 explorer.exe 2704 explorer.exe 2704 explorer.exe 2704 explorer.exe 2704 explorer.exe 2704 explorer.exe 2704 explorer.exe 2704 explorer.exe 2704 explorer.exe 680 915uyaw9uecyus_1.exe -
NSIS installer 3 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\C8AD.exe nsis_installer_2 C:\Users\Admin\AppData\Local\Temp\C8AD.exe nsis_installer_2 C:\Users\Admin\AppData\Local\Temp\C8AD.exe nsis_installer_2 -
Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
a24f02aa70607beea6af7963d2a51a4d.exebhrevihdescription ioc process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a24f02aa70607beea6af7963d2a51a4d.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a24f02aa70607beea6af7963d2a51a4d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI bhrevih Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI bhrevih Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI bhrevih Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a24f02aa70607beea6af7963d2a51a4d.exe -
Checks processor information in registry 2 TTPs 6 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
915uyaw9uecyus_1.exeBB82.exeexplorer.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 915uyaw9uecyus_1.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 BB82.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString BB82.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString explorer.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 915uyaw9uecyus_1.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
explorer.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer explorer.exe -
Modifies Internet Explorer Protected Mode 1 TTPs 4 IoCs
Processes:
explorer.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3" explorer.exe -
Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs
Processes:
explorer.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1" explorer.exe -
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Main explorer.exe -
NTFS ADS 2 IoCs
Processes:
explorer.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Local\Temp\915uyaw9uecyus_1.exe:1BB7FB68 explorer.exe File created C:\Users\Admin\AppData\Local\Temp\915uyaw9uecyus_1.exe:1BB7FB68 explorer.exe -
Runs regedit.exe 1 IoCs
Processes:
regedit.exepid process 2640 regedit.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
a24f02aa70607beea6af7963d2a51a4d.exeExplorer.EXEpid process 2148 a24f02aa70607beea6af7963d2a51a4d.exe 2148 a24f02aa70607beea6af7963d2a51a4d.exe 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE 1204 Explorer.EXE -
Suspicious behavior: MapViewOfSection 8 IoCs
Processes:
a24f02aa70607beea6af7963d2a51a4d.exeBB82.exeexplorer.exe915uyaw9uecyus_1.exebhrevihpid process 2148 a24f02aa70607beea6af7963d2a51a4d.exe 1924 BB82.exe 1924 BB82.exe 2704 explorer.exe 2704 explorer.exe 680 915uyaw9uecyus_1.exe 680 915uyaw9uecyus_1.exe 1932 bhrevih -
Suspicious use of AdjustPrivilegeToken 60 IoCs
Processes:
BB82.exeexplorer.exe915uyaw9uecyus_1.exeregedit.exedescription pid process Token: SeDebugPrivilege 1924 BB82.exe Token: SeRestorePrivilege 1924 BB82.exe Token: SeBackupPrivilege 1924 BB82.exe Token: SeLoadDriverPrivilege 1924 BB82.exe Token: SeCreatePagefilePrivilege 1924 BB82.exe Token: SeShutdownPrivilege 1924 BB82.exe Token: SeTakeOwnershipPrivilege 1924 BB82.exe Token: SeChangeNotifyPrivilege 1924 BB82.exe Token: SeCreateTokenPrivilege 1924 BB82.exe Token: SeMachineAccountPrivilege 1924 BB82.exe Token: SeSecurityPrivilege 1924 BB82.exe Token: SeAssignPrimaryTokenPrivilege 1924 BB82.exe Token: SeCreateGlobalPrivilege 1924 BB82.exe Token: 33 1924 BB82.exe Token: SeDebugPrivilege 2704 explorer.exe Token: SeRestorePrivilege 2704 explorer.exe Token: SeBackupPrivilege 2704 explorer.exe Token: SeLoadDriverPrivilege 2704 explorer.exe Token: SeCreatePagefilePrivilege 2704 explorer.exe Token: SeShutdownPrivilege 2704 explorer.exe Token: SeTakeOwnershipPrivilege 2704 explorer.exe Token: SeChangeNotifyPrivilege 2704 explorer.exe Token: SeCreateTokenPrivilege 2704 explorer.exe Token: SeMachineAccountPrivilege 2704 explorer.exe Token: SeSecurityPrivilege 2704 explorer.exe Token: SeAssignPrimaryTokenPrivilege 2704 explorer.exe Token: SeCreateGlobalPrivilege 2704 explorer.exe Token: 33 2704 explorer.exe Token: SeDebugPrivilege 680 915uyaw9uecyus_1.exe Token: SeRestorePrivilege 680 915uyaw9uecyus_1.exe Token: SeBackupPrivilege 680 915uyaw9uecyus_1.exe Token: SeLoadDriverPrivilege 680 915uyaw9uecyus_1.exe Token: SeCreatePagefilePrivilege 680 915uyaw9uecyus_1.exe Token: SeShutdownPrivilege 680 915uyaw9uecyus_1.exe Token: SeTakeOwnershipPrivilege 680 915uyaw9uecyus_1.exe Token: SeChangeNotifyPrivilege 680 915uyaw9uecyus_1.exe Token: SeCreateTokenPrivilege 680 915uyaw9uecyus_1.exe Token: SeMachineAccountPrivilege 680 915uyaw9uecyus_1.exe Token: SeSecurityPrivilege 680 915uyaw9uecyus_1.exe Token: SeAssignPrimaryTokenPrivilege 680 915uyaw9uecyus_1.exe Token: SeCreateGlobalPrivilege 680 915uyaw9uecyus_1.exe Token: 33 680 915uyaw9uecyus_1.exe Token: SeCreatePagefilePrivilege 680 915uyaw9uecyus_1.exe Token: SeCreatePagefilePrivilege 680 915uyaw9uecyus_1.exe Token: SeCreatePagefilePrivilege 680 915uyaw9uecyus_1.exe Token: SeCreatePagefilePrivilege 680 915uyaw9uecyus_1.exe Token: SeCreatePagefilePrivilege 680 915uyaw9uecyus_1.exe Token: SeDebugPrivilege 2640 regedit.exe Token: SeRestorePrivilege 2640 regedit.exe Token: SeBackupPrivilege 2640 regedit.exe Token: SeLoadDriverPrivilege 2640 regedit.exe Token: SeCreatePagefilePrivilege 2640 regedit.exe Token: SeShutdownPrivilege 2640 regedit.exe Token: SeTakeOwnershipPrivilege 2640 regedit.exe Token: SeChangeNotifyPrivilege 2640 regedit.exe Token: SeCreateTokenPrivilege 2640 regedit.exe Token: SeMachineAccountPrivilege 2640 regedit.exe Token: SeSecurityPrivilege 2640 regedit.exe Token: SeAssignPrimaryTokenPrivilege 2640 regedit.exe Token: SeCreateGlobalPrivilege 2640 regedit.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
Explorer.EXEpid process 1204 Explorer.EXE 1204 Explorer.EXE -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
Explorer.EXEpid process 1204 Explorer.EXE 1204 Explorer.EXE -
Suspicious use of WriteProcessMemory 52 IoCs
Processes:
Explorer.EXEBB82.exeexplorer.exe915uyaw9uecyus_1.exetaskeng.exedescription pid process target process PID 1204 wrote to memory of 1924 1204 Explorer.EXE BB82.exe PID 1204 wrote to memory of 1924 1204 Explorer.EXE BB82.exe PID 1204 wrote to memory of 1924 1204 Explorer.EXE BB82.exe PID 1204 wrote to memory of 1924 1204 Explorer.EXE BB82.exe PID 1924 wrote to memory of 2704 1924 BB82.exe explorer.exe PID 1924 wrote to memory of 2704 1924 BB82.exe explorer.exe PID 1924 wrote to memory of 2704 1924 BB82.exe explorer.exe PID 1924 wrote to memory of 2704 1924 BB82.exe explorer.exe PID 1924 wrote to memory of 2704 1924 BB82.exe explorer.exe PID 1924 wrote to memory of 2704 1924 BB82.exe explorer.exe PID 1924 wrote to memory of 2704 1924 BB82.exe explorer.exe PID 1204 wrote to memory of 2600 1204 Explorer.EXE C8AD.exe PID 1204 wrote to memory of 2600 1204 Explorer.EXE C8AD.exe PID 1204 wrote to memory of 2600 1204 Explorer.EXE C8AD.exe PID 1204 wrote to memory of 2600 1204 Explorer.EXE C8AD.exe PID 2704 wrote to memory of 1172 2704 explorer.exe Dwm.exe PID 2704 wrote to memory of 1172 2704 explorer.exe Dwm.exe PID 2704 wrote to memory of 1172 2704 explorer.exe Dwm.exe PID 2704 wrote to memory of 1172 2704 explorer.exe Dwm.exe PID 2704 wrote to memory of 1172 2704 explorer.exe Dwm.exe PID 2704 wrote to memory of 1172 2704 explorer.exe Dwm.exe PID 2704 wrote to memory of 1204 2704 explorer.exe Explorer.EXE PID 2704 wrote to memory of 1204 2704 explorer.exe Explorer.EXE PID 2704 wrote to memory of 1204 2704 explorer.exe Explorer.EXE PID 2704 wrote to memory of 1204 2704 explorer.exe Explorer.EXE PID 2704 wrote to memory of 1204 2704 explorer.exe Explorer.EXE PID 2704 wrote to memory of 1204 2704 explorer.exe Explorer.EXE PID 2704 wrote to memory of 680 2704 explorer.exe 915uyaw9uecyus_1.exe PID 2704 wrote to memory of 680 2704 explorer.exe 915uyaw9uecyus_1.exe PID 2704 wrote to memory of 680 2704 explorer.exe 915uyaw9uecyus_1.exe PID 2704 wrote to memory of 680 2704 explorer.exe 915uyaw9uecyus_1.exe PID 2704 wrote to memory of 680 2704 explorer.exe 915uyaw9uecyus_1.exe PID 2704 wrote to memory of 680 2704 explorer.exe 915uyaw9uecyus_1.exe PID 2704 wrote to memory of 680 2704 explorer.exe 915uyaw9uecyus_1.exe PID 680 wrote to memory of 2640 680 915uyaw9uecyus_1.exe regedit.exe PID 680 wrote to memory of 2640 680 915uyaw9uecyus_1.exe regedit.exe PID 680 wrote to memory of 2640 680 915uyaw9uecyus_1.exe regedit.exe PID 680 wrote to memory of 2640 680 915uyaw9uecyus_1.exe regedit.exe PID 680 wrote to memory of 2640 680 915uyaw9uecyus_1.exe regedit.exe PID 680 wrote to memory of 2640 680 915uyaw9uecyus_1.exe regedit.exe PID 680 wrote to memory of 2640 680 915uyaw9uecyus_1.exe regedit.exe PID 680 wrote to memory of 2828 680 915uyaw9uecyus_1.exe schtasks.exe PID 680 wrote to memory of 2828 680 915uyaw9uecyus_1.exe schtasks.exe PID 680 wrote to memory of 2828 680 915uyaw9uecyus_1.exe schtasks.exe PID 680 wrote to memory of 2828 680 915uyaw9uecyus_1.exe schtasks.exe PID 680 wrote to memory of 2828 680 915uyaw9uecyus_1.exe schtasks.exe PID 680 wrote to memory of 2828 680 915uyaw9uecyus_1.exe schtasks.exe PID 680 wrote to memory of 2828 680 915uyaw9uecyus_1.exe schtasks.exe PID 2920 wrote to memory of 1932 2920 taskeng.exe bhrevih PID 2920 wrote to memory of 1932 2920 taskeng.exe bhrevih PID 2920 wrote to memory of 1932 2920 taskeng.exe bhrevih PID 2920 wrote to memory of 1932 2920 taskeng.exe bhrevih
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Deletes itself
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1204 -
C:\Users\Admin\AppData\Local\Temp\a24f02aa70607beea6af7963d2a51a4d.exe"C:\Users\Admin\AppData\Local\Temp\a24f02aa70607beea6af7963d2a51a4d.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2148
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C:\Users\Admin\AppData\Local\Temp\BB82.exeC:\Users\Admin\AppData\Local\Temp\BB82.exe2⤵
- Sets file execution options in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1924 -
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe3⤵
- Modifies firewall policy service
- Sets file execution options in registry
- Checks BIOS information in registry
- Loads dropped DLL
- Adds Run key to start application
- Drops desktop.ini file(s)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Enumerates system info in registry
- Modifies Internet Explorer Protected Mode
- Modifies Internet Explorer Protected Mode Banner
- Modifies Internet Explorer settings
- NTFS ADS
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2704 -
C:\Users\Admin\AppData\Local\Temp\915uyaw9uecyus_1.exe/suac4⤵
- Modifies firewall policy service
- Sets file execution options in registry
- Executes dropped EXE
- Checks for any installed AV software in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:680 -
C:\Windows\SysWOW64\regedit.exe"C:\Windows\SysWOW64\regedit.exe"5⤵
- Modifies security service
- Sets file execution options in registry
- Sets service image path in registry
- Runs regedit.exe
- Suspicious use of AdjustPrivilegeToken
PID:2640
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x1BB70478" /TR "C:\PROGRA~3\JAVAUP~1\915UYA~1.EXE" /RL HIGHEST5⤵
- Creates scheduled task(s)
PID:2828
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C:\Users\Admin\AppData\Local\Temp\C8AD.exeC:\Users\Admin\AppData\Local\Temp\C8AD.exe2⤵
- Executes dropped EXE
PID:2600
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C:\Windows\system32\Dwm.exe"C:\Windows\system32\Dwm.exe"1⤵PID:1172
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C:\Windows\system32\taskeng.exetaskeng.exe {E549879A-C9D9-4000-A17B-67F2BB1292C0} S-1-5-21-452311807-3713411997-1028535425-1000:OZEMQECW\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:2920 -
C:\Users\Admin\AppData\Roaming\bhrevihC:\Users\Admin\AppData\Roaming\bhrevih2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1932
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
360KB
MD580c413180b6bd0dd664adc4e0665b494
SHA1e791e4a3391fc6b7bcb58399cd4fa3c52a06b940
SHA2566d99cec56614b6b8a23dfa84a50c6bbfde535411c6366ac2bcc20c9f5af62880
SHA512347f4ae6f308b37d055a6177478e45ab3838d7020abed70c7aa138d2c3771e709de204da8550aebdcaa6139d869dc7328cc7e645c4dd48d1066f9ad70225644a
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Filesize
2.6MB
MD5ed7de856e3a3e88e8b6f6ac4ce19d7df
SHA194e46301f54289278ced2209afd796123f9d69e1
SHA256d647cd1327b67fb02cc8f3a31b6c328fca027d0eba95b577057211411d0ed78d
SHA512ce427f60b6221c9be6b5dcbd48efa37497d770bc13c3977247f80f5bee8005a87926c402d362c07d0fa91d686339093b4139fcc74aa7f2488eb20951c73554ae
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Filesize
1.5MB
MD5eeed08b4857933e0bc4121b01ead19ce
SHA1d076c58fd2ee24024f372e505a9c38e3ccd21baa
SHA25630481baaa59ef915fe532ce02b46ecc7fdce4a4baae6a002f9743a2c5931b48f
SHA51284612737cd90bcda488cb5177ea4d6acc8616f5e25808be7b84415fe193ce197aee6ade3515d4ba443dfb6550be13f480acf47b5ad975c3593ce7a9c292cfca9
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Filesize
481KB
MD5bb7625ea5767c2bd92a3952e7516633a
SHA1e2d1e19f34a466de2ce64390087f27c8a511e23f
SHA2560f39fc5b502cd1d3ff4359f823bb923433c43f59eefa35574d4b37042b174d6e
SHA512af8f9e3224e8ce78b4c242f79332240353ab26b2bee32c5295c479e41c9adda7f06021d43f6da0e6da140f09af69fde3b6b9596ddef6790fda1fb95fad095aeb
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Filesize
32KB
MD5a24f02aa70607beea6af7963d2a51a4d
SHA1fdbf0458799b50f52b231151d84c5d68f6e6da95
SHA2569a77f554fbc23a4d71cbb980b5dcdef80291fa70849430a929a1e1bb9cebc2dc
SHA5122d8d64931184e5d202e097157fc783ba6245b78374a1baefed1abc31a0458acc486f389447bd7cdc7ed2f38a3f91ecbced50923575233e470837790590c52222