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Analysis
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max time kernel
17s -
max time network
109s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
29/12/2023, 18:54
Static task
static1
Behavioral task
behavioral1
Sample
01025d8aab04e9fa7dd66aeaeef91e96.dll
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral2
Sample
01025d8aab04e9fa7dd66aeaeef91e96.dll
Resource
win10v2004-20231222-en
windows10-2004-x64
General
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Target
01025d8aab04e9fa7dd66aeaeef91e96.dll
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Size
32KB
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MD5
01025d8aab04e9fa7dd66aeaeef91e96
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SHA1
1212be1ab4420432fe7b73298aa8a5575411577d
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SHA256
e85205423444e0d1ca24a8bf7eeab383a0fc5cad5a07e42ee9d2fbfed3aa8ec9
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SHA512
910108cbad4dce5ae9b3bebbae7a4e992757aaebabadb26545990d2081edfdbf7a4470fe857c9b0076afeb0571e63aecc06b6e655ffb94a30fdf36c2a1237ae8
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SSDEEP
768:qXa+7BR8KJpQRtvj+PlNjT1tanSKMNNL5ma4/7Of5wNiwL:qXdR8KJCr+P31tbKQNVmnjQ5EL
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
pid Process 2496 rundll32.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\msvcp8.dll rundll32.exe File opened for modification C:\Windows\msvcp8.dll rundll32.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6} rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}\{F69EB73C-700A-42c9-8F9D-E8C4ABC27EF3} = "01025d8aab04e9fa7dd66aeaeef91e96.dll,1287079534,71617371,-352895392" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InProcServer32 rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9} rundll32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe 2496 rundll32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3696 wrote to memory of 2284 3696 rundll32.exe 14 PID 3696 wrote to memory of 2284 3696 rundll32.exe 14 PID 3696 wrote to memory of 2284 3696 rundll32.exe 14 PID 2284 wrote to memory of 2496 2284 rundll32.exe 24 PID 2284 wrote to memory of 2496 2284 rundll32.exe 24 PID 2284 wrote to memory of 2496 2284 rundll32.exe 24
Processes
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\01025d8aab04e9fa7dd66aeaeef91e96.dll,#11⤵
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2284 -
C:\Windows\SysWOW64\rundll32.exerundll32 "C:\Windows\msvcp8.dll",_RunAs@162⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:2496
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\01025d8aab04e9fa7dd66aeaeef91e96.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3696
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
32KB
MD501025d8aab04e9fa7dd66aeaeef91e96
SHA11212be1ab4420432fe7b73298aa8a5575411577d
SHA256e85205423444e0d1ca24a8bf7eeab383a0fc5cad5a07e42ee9d2fbfed3aa8ec9
SHA512910108cbad4dce5ae9b3bebbae7a4e992757aaebabadb26545990d2081edfdbf7a4470fe857c9b0076afeb0571e63aecc06b6e655ffb94a30fdf36c2a1237ae8