Analysis
- max time kernel
162s - max time network
151s - platform
windows10_x64 - resource
win10-en - submitted
09/09/2021, 11:54
Static task
static1
Behavioral task
behavioral1
Sample
97ecccb77e5c74ab60d46d67a97efda94a17d38b046e421ce4e2dc585c22bf67.dll
Resource
win7v20210408
0 signatures
0 seconds
General
- Target 97ecccb77e5c74ab60d46d67a97efda94a17d38b046e421ce4e2dc585c22bf67.dll
- Size 1.7MB
- Sample210909-n2x3babcbm
- SHA256 97ecccb77e5c74ab60d46d67a97efda94a17d38b046e421ce4e2dc585c22bf67
- MD5 61ab8fb7a78b1e3f7ba15ccd7dc96e69
- SHA1 edbac7d8ae2966a71a7c46b5700e52ac6c1d41ba
- SHA512 a020ee50aea6bb23b58aff5dd3a36f425d2575d3ee8c45d161f5d5cb27c66adc2060c434904b6bb09a791113df6f1025239765a81db325bc60f6fcf987fd192a
- MD5 SHA1 SHA512
Malware Config
Signatures
-
resource yara_rule behavioral2/memory/1512-120-0x0000000000A40000-0x0000000000A41000-memory.dmp dridex_stager_shellcode - Executes dropped EXE 3 IoCs
pid Process 2124 ProximityUxHost.exe 2584 UI0Detect.exe 3592 SystemPropertiesRemote.exe - Loads dropped DLL 3 IoCs
pid Process 2124 ProximityUxHost.exe 2584 UI0Detect.exe 3592 SystemPropertiesRemote.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2559286294-2439613352-4032193287-1000\Software\Microsoft\Windows\CurrentVersion\Run\Wzmtblrj = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\SystemCertificates\\My\\CRLs\\GA6Eqb4\\UI0Detect.exe" Process not Found -
description ioc Process 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 ProximityUxHost.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA UI0Detect.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA SystemPropertiesRemote.exe - Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance Process not Found Key created \REGISTRY\USER\S-1-5-21-2559286294-2439613352-4032193287-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance Process not Found - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 424 rundll32.exe 424 rundll32.exe 424 rundll32.exe 424 rundll32.exe 424 rundll32.exe 424 rundll32.exe 424 rundll32.exe 424 rundll32.exe 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1512 Process not Found - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 1512 Process not Found Token: SeCreatePagefilePrivilege 1512 Process not Found Token: SeShutdownPrivilege 1512 Process not Found Token: SeCreatePagefilePrivilege 1512 Process not Found - Suspicious use of FindShellTrayWindow 9 IoCs
pid Process 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found 1512 Process not Found - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 1512 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1512 wrote to memory of 1112 1512 Process not Found 76 PID 1512 wrote to memory of 1112 1512 Process not Found 76 PID 1512 wrote to memory of 2124 1512 Process not Found 77 PID 1512 wrote to memory of 2124 1512 Process not Found 77 PID 1512 wrote to memory of 3840 1512 Process not Found 80 PID 1512 wrote to memory of 3840 1512 Process not Found 80 PID 1512 wrote to memory of 2584 1512 Process not Found 81 PID 1512 wrote to memory of 2584 1512 Process not Found 81 PID 1512 wrote to memory of 848 1512 Process not Found 82 PID 1512 wrote to memory of 848 1512 Process not Found 82 PID 1512 wrote to memory of 3592 1512 Process not Found 83 PID 1512 wrote to memory of 3592 1512 Process not Found 83
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\97ecccb77e5c74ab60d46d67a97efda94a17d38b046e421ce4e2dc585c22bf67.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:424
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C:\Windows\system32\ProximityUxHost.exeC:\Windows\system32\ProximityUxHost.exe1⤵PID:1112
-
C:\Users\Admin\AppData\Local\4Wm\ProximityUxHost.exeC:\Users\Admin\AppData\Local\4Wm\ProximityUxHost.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2124
-
C:\Windows\system32\UI0Detect.exeC:\Windows\system32\UI0Detect.exe1⤵PID:3840
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C:\Users\Admin\AppData\Local\QsE5\UI0Detect.exeC:\Users\Admin\AppData\Local\QsE5\UI0Detect.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2584
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C:\Windows\system32\SystemPropertiesRemote.exeC:\Windows\system32\SystemPropertiesRemote.exe1⤵PID:848
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C:\Users\Admin\AppData\Local\YAbYpNW\SystemPropertiesRemote.exeC:\Users\Admin\AppData\Local\YAbYpNW\SystemPropertiesRemote.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:3592