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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
01/12/2022, 01:25
Static task
static1
Behavioral task
behavioral1
Sample
8995ffa8579bb1f063e8d91cd18554bef4091ccde1f2e97c8a6b0308ee4088ef.dll
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
8995ffa8579bb1f063e8d91cd18554bef4091ccde1f2e97c8a6b0308ee4088ef.dll
Resource
win10v2004-20220901-en
General
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Target
8995ffa8579bb1f063e8d91cd18554bef4091ccde1f2e97c8a6b0308ee4088ef.dll
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Size
16KB
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MD5
8e42e25275ea66093d24ea97b6cdab80
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SHA1
8f3ba8413f3433b9cdc65349401b3bd165a33c75
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SHA256
8995ffa8579bb1f063e8d91cd18554bef4091ccde1f2e97c8a6b0308ee4088ef
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SHA512
224556ff49a37ca942e65f1897851dc16129aae6eccc248b8ba5b8e176be7ad893b38693b0c9f6965f055df0cf1212ed758532a1aac99c713534861eeb195814
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SSDEEP
384:9bx9prGsDy7N3EGbp/D4yVDgYSEmLsnpBg:j9p5Dy7N3TbD/SIBg
Malware Config
Signatures
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Modifies AppInit DLL entries 2 TTPs
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Modifies registry class 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CB4369B6-F362-4e68-8786-0895D86C9D7A} rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CB4369B6-F362-4e68-8786-0895D86C9D7A}\InProcServer32 rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CB4369B6-F362-4e68-8786-0895D86C9D7A}\InProcServer32\ = "8995ffa8579bb1f063e8d91cd18554bef4091ccde1f2e97c8a6b0308ee4088ef.dll" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CB4369B6-F362-4e68-8786-0895D86C9D7A}\InProcServer32\ThreadingModel = "Apartment" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 3188 rundll32.exe 3188 rundll32.exe 3188 rundll32.exe 3188 rundll32.exe 3188 rundll32.exe 3188 rundll32.exe 3188 rundll32.exe 3188 rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2724 Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3188 rundll32.exe Token: SeShutdownPrivilege 2724 Explorer.EXE Token: SeCreatePagefilePrivilege 2724 Explorer.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2200 wrote to memory of 3188 2200 rundll32.exe 80 PID 2200 wrote to memory of 3188 2200 rundll32.exe 80 PID 2200 wrote to memory of 3188 2200 rundll32.exe 80 PID 3188 wrote to memory of 2724 3188 rundll32.exe 28
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2724 -
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8995ffa8579bb1f063e8d91cd18554bef4091ccde1f2e97c8a6b0308ee4088ef.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2200 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\8995ffa8579bb1f063e8d91cd18554bef4091ccde1f2e97c8a6b0308ee4088ef.dll,#13⤵
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3188
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