Analysis
- max time kernel
157s - max time network
132s - platform
windows10_x64 - resource
win10-en-20211014 - submitted
26/11/2021, 09:28
Static task
static1
Behavioral task
behavioral1
Sample
ec8dbc3e4d86b25d943dfbb2eff71a10b09ac5acc5a9648ed6e4537da666cf9a.dll
Resource
win7-en-20211104
0 signatures
0 seconds
General
- Target ec8dbc3e4d86b25d943dfbb2eff71a10b09ac5acc5a9648ed6e4537da666cf9a.dll
- Size 1.3MB
- Sample211126-lfc4xaege5
- SHA256 ec8dbc3e4d86b25d943dfbb2eff71a10b09ac5acc5a9648ed6e4537da666cf9a
- MD5 fb0979bd562c4f18393ec92c8de9989f
- SHA1 e5f1e762d8f0a522806e77cf6930ef6f05299993
- SHA512 a4920527466c441a7a07cb76316bc37d981f2a2aff442e13fc740c2e1b72e64bcdb96613c3ebf9cef0110bb171d8cb9c4a042703774c683ce4c2be7c30b850dd
- MD5 SHA1 SHA512
Malware Config
Signatures
-
resource yara_rule behavioral2/memory/2920-121-0x0000000000660000-0x0000000000661000-memory.dmp dridex_stager_shellcode - Executes dropped EXE 3 IoCs
pid Process 1012 rdpinit.exe 424 slui.exe 1480 SppExtComObj.Exe - Drops startup file 3 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0xHha4QprHx Process not Found File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0xHha4QprHx\ACTIVEDS.dll Process not Found File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0xHha4QprHx\SppExtComObj.Exe Process not Found - Loads dropped DLL 3 IoCs
pid Process 1012 rdpinit.exe 424 slui.exe 1480 SppExtComObj.Exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\Slqggwbvaxk = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Recent\\AutomaticDestinations\\ZF8P7onj\\slui.exe" Process not Found -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rdpinit.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA slui.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA SppExtComObj.Exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2840 rundll32.exe 2840 rundll32.exe 2840 rundll32.exe 2840 rundll32.exe 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found 2920 Process not Found - Suspicious behavior: GetForegroundWindowSpam 5 IoCs
pid Process 2840 rundll32.exe 2920 Process not Found 1012 rdpinit.exe 424 slui.exe 1480 SppExtComObj.Exe - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2920 wrote to memory of 908 2920 Process not Found 68 PID 2920 wrote to memory of 908 2920 Process not Found 68 PID 2920 wrote to memory of 1012 2920 Process not Found 69 PID 2920 wrote to memory of 1012 2920 Process not Found 69 PID 2920 wrote to memory of 3096 2920 Process not Found 70 PID 2920 wrote to memory of 3096 2920 Process not Found 70 PID 2920 wrote to memory of 424 2920 Process not Found 71 PID 2920 wrote to memory of 424 2920 Process not Found 71 PID 2920 wrote to memory of 1484 2920 Process not Found 72 PID 2920 wrote to memory of 1484 2920 Process not Found 72 PID 2920 wrote to memory of 1480 2920 Process not Found 73 PID 2920 wrote to memory of 1480 2920 Process not Found 73
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ec8dbc3e4d86b25d943dfbb2eff71a10b09ac5acc5a9648ed6e4537da666cf9a.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
PID:2840
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C:\Windows\system32\rdpinit.exeC:\Windows\system32\rdpinit.exe1⤵PID:908
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C:\Users\Admin\AppData\Local\KvP0OOntR\rdpinit.exeC:\Users\Admin\AppData\Local\KvP0OOntR\rdpinit.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious behavior: GetForegroundWindowSpam
PID:1012
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C:\Windows\system32\slui.exeC:\Windows\system32\slui.exe1⤵PID:3096
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C:\Users\Admin\AppData\Local\PuF3fEwYS\slui.exeC:\Users\Admin\AppData\Local\PuF3fEwYS\slui.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious behavior: GetForegroundWindowSpam
PID:424
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C:\Windows\system32\SppExtComObj.ExeC:\Windows\system32\SppExtComObj.Exe1⤵PID:1484
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C:\Users\Admin\AppData\Local\d7hB\SppExtComObj.ExeC:\Users\Admin\AppData\Local\d7hB\SppExtComObj.Exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious behavior: GetForegroundWindowSpam
PID:1480