Analysis
- max time kernel
152s - max time network
56s - platform
windows7_x64 - resource
win7v20210408 - submitted
21/09/2021, 08:29
Static task
static1
Behavioral task
behavioral1
Sample
5fefa719c11c0ad8472f9c610aaa9cd4a487077ed06aca94fe71dd20cd486394.dll
Resource
win7v20210408
0 signatures
0 seconds
General
- Target 5fefa719c11c0ad8472f9c610aaa9cd4a487077ed06aca94fe71dd20cd486394.dll
- Size 2.5MB
- Sample210921-kdk63abebr
- SHA256 5fefa719c11c0ad8472f9c610aaa9cd4a487077ed06aca94fe71dd20cd486394
- MD5 f41820d6fd8a84f7a732481e5e9ce259
- SHA1 2336cab8c4b712fb61df1f29e37a04a6ebc97e93
- SHA512 7ebbf4d24f8f636d76e7686ad6f0c2561412fb82f8926aa71f42ded183831ac2b4e711aab1d2a39688d51ed5145b47491ca191d4d4b924b768b5b526895e3699
- MD5 SHA1 SHA512
Malware Config
Signatures
-
resource yara_rule behavioral1/memory/1212-63-0x0000000003AB0000-0x0000000003AB1000-memory.dmp dridex_stager_shellcode - Executes dropped EXE 3 IoCs
pid Process 1768 SystemPropertiesHardware.exe 1016 BdeUISrv.exe 1816 tabcal.exe - Loads dropped DLL 7 IoCs
pid Process 1212 Process not Found 1768 SystemPropertiesHardware.exe 1212 Process not Found 1016 BdeUISrv.exe 1212 Process not Found 1816 tabcal.exe 1212 Process not Found - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\Axiifu = "C:\\Users\\Admin\\AppData\\Roaming\\Mozilla\\Extensions\\dN4Np\\BdeUISrv.exe" Process not Found -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA BdeUISrv.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA tabcal.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA SystemPropertiesHardware.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1212 Process not Found - Suspicious use of FindShellTrayWindow 5 IoCs
pid Process 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found - Suspicious use of SendNotifyMessage 7 IoCs
pid Process 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found 1212 Process not Found - Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1212 wrote to memory of 1676 1212 Process not Found 27 PID 1212 wrote to memory of 1676 1212 Process not Found 27 PID 1212 wrote to memory of 1676 1212 Process not Found 27 PID 1212 wrote to memory of 1768 1212 Process not Found 28 PID 1212 wrote to memory of 1768 1212 Process not Found 28 PID 1212 wrote to memory of 1768 1212 Process not Found 28 PID 1212 wrote to memory of 1656 1212 Process not Found 29 PID 1212 wrote to memory of 1656 1212 Process not Found 29 PID 1212 wrote to memory of 1656 1212 Process not Found 29 PID 1212 wrote to memory of 1016 1212 Process not Found 30 PID 1212 wrote to memory of 1016 1212 Process not Found 30 PID 1212 wrote to memory of 1016 1212 Process not Found 30 PID 1212 wrote to memory of 1608 1212 Process not Found 31 PID 1212 wrote to memory of 1608 1212 Process not Found 31 PID 1212 wrote to memory of 1608 1212 Process not Found 31 PID 1212 wrote to memory of 1816 1212 Process not Found 32 PID 1212 wrote to memory of 1816 1212 Process not Found 32 PID 1212 wrote to memory of 1816 1212 Process not Found 32
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5fefa719c11c0ad8472f9c610aaa9cd4a487077ed06aca94fe71dd20cd486394.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:1120
-
C:\Windows\system32\SystemPropertiesHardware.exeC:\Windows\system32\SystemPropertiesHardware.exe1⤵PID:1676
-
C:\Users\Admin\AppData\Local\HP3\SystemPropertiesHardware.exeC:\Users\Admin\AppData\Local\HP3\SystemPropertiesHardware.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1768
-
C:\Windows\system32\BdeUISrv.exeC:\Windows\system32\BdeUISrv.exe1⤵PID:1656
-
C:\Users\Admin\AppData\Local\SmRCOr5tT\BdeUISrv.exeC:\Users\Admin\AppData\Local\SmRCOr5tT\BdeUISrv.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1016
-
C:\Windows\system32\tabcal.exeC:\Windows\system32\tabcal.exe1⤵PID:1608
-
C:\Users\Admin\AppData\Local\w00RQ\tabcal.exeC:\Users\Admin\AppData\Local\w00RQ\tabcal.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1816