Analysis
- max time kernel
144s - max time network
149s - platform
windows10_x64 - resource
win10-en - submitted
17/09/2021, 09:36
Static task
static1
Behavioral task
behavioral1
Sample
86a2b97f86aa4542f673429e236f244bef4c8e8f9328751e57014d461476c03f.dll
Resource
win7v20210408
0 signatures
0 seconds
General
- Target 86a2b97f86aa4542f673429e236f244bef4c8e8f9328751e57014d461476c03f.dll
- Size 2.1MB
- Sample210917-lkz48saagm
- SHA256 86a2b97f86aa4542f673429e236f244bef4c8e8f9328751e57014d461476c03f
- MD5 2b4cebac363642e2ca778cc19cf01073
- SHA1 bf38529d74d743ce8e06d909d56c2c2a00839a3f
- SHA512 a5fc29055ebf2a9fbb79ed9c348a1d42aef0c83a49e4d31a3af3fc74f75495727616538cd95f11f9e5bac9350a4ba8817338345f6b7470d0ecf418f09701246e
- MD5 SHA1 SHA512
Malware Config
Signatures
-
resource yara_rule behavioral2/memory/3052-120-0x0000000000FC0000-0x0000000000FC1000-memory.dmp dridex_stager_shellcode - Executes dropped EXE 3 IoCs
pid Process 4912 PresentationSettings.exe 5064 mmc.exe 3652 SystemPropertiesAdvanced.exe - Loads dropped DLL 4 IoCs
pid Process 4912 PresentationSettings.exe 5064 mmc.exe 5064 mmc.exe 3652 SystemPropertiesAdvanced.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\\MICROS~1\\Windows\\STARTM~1\\Programs\\ACCESS~2\\3mc\\mmc.exe" Process not Found -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA SystemPropertiesAdvanced.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 PresentationSettings.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA mmc.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 4476 rundll32.exe 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3052 Process not Found - Suspicious use of AdjustPrivilegeToken 14 IoCs
description pid Process Token: SeShutdownPrivilege 3052 Process not Found Token: SeCreatePagefilePrivilege 3052 Process not Found Token: SeShutdownPrivilege 3052 Process not Found Token: SeCreatePagefilePrivilege 3052 Process not Found Token: SeShutdownPrivilege 3052 Process not Found Token: SeCreatePagefilePrivilege 3052 Process not Found Token: SeShutdownPrivilege 3052 Process not Found Token: SeCreatePagefilePrivilege 3052 Process not Found Token: SeShutdownPrivilege 3052 Process not Found Token: SeCreatePagefilePrivilege 3052 Process not Found Token: SeShutdownPrivilege 3052 Process not Found Token: SeCreatePagefilePrivilege 3052 Process not Found Token: SeShutdownPrivilege 3052 Process not Found Token: SeCreatePagefilePrivilege 3052 Process not Found - Suspicious use of FindShellTrayWindow 9 IoCs
pid Process 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 3052 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3052 wrote to memory of 4904 3052 Process not Found 70 PID 3052 wrote to memory of 4904 3052 Process not Found 70 PID 3052 wrote to memory of 4912 3052 Process not Found 71 PID 3052 wrote to memory of 4912 3052 Process not Found 71 PID 3052 wrote to memory of 4976 3052 Process not Found 72 PID 3052 wrote to memory of 4976 3052 Process not Found 72 PID 3052 wrote to memory of 5064 3052 Process not Found 75 PID 3052 wrote to memory of 5064 3052 Process not Found 75 PID 3052 wrote to memory of 3184 3052 Process not Found 76 PID 3052 wrote to memory of 3184 3052 Process not Found 76 PID 3052 wrote to memory of 3652 3052 Process not Found 78 PID 3052 wrote to memory of 3652 3052 Process not Found 78
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\86a2b97f86aa4542f673429e236f244bef4c8e8f9328751e57014d461476c03f.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:4476
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C:\Windows\system32\PresentationSettings.exeC:\Windows\system32\PresentationSettings.exe1⤵PID:4904
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C:\Users\Admin\AppData\Local\AHOt\PresentationSettings.exeC:\Users\Admin\AppData\Local\AHOt\PresentationSettings.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:4912
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C:\Windows\system32\mmc.exeC:\Windows\system32\mmc.exe1⤵PID:4976
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C:\Users\Admin\AppData\Local\jNLnnKBd\mmc.exeC:\Users\Admin\AppData\Local\jNLnnKBd\mmc.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:5064
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C:\Windows\system32\SystemPropertiesAdvanced.exeC:\Windows\system32\SystemPropertiesAdvanced.exe1⤵PID:3184
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C:\Users\Admin\AppData\Local\PZJbik04i\SystemPropertiesAdvanced.exeC:\Users\Admin\AppData\Local\PZJbik04i\SystemPropertiesAdvanced.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:3652