657abb77d710587fedb357a46e3d882fed9ca5518565740652c670042daec388

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
28-05-2024 12:16

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General

Target

Chakra.dll
Size

5.8MB
MD5

23c2d9f649d55148bb9a050dd5557688
SHA1

cb10d07a825bdc4f5ce13cf0ad0645f22af9e71b
SHA256

657abb77d710587fedb357a46e3d882fed9ca5518565740652c670042daec388
SHA512

b9debc100997790238e4af96b41475db2d61996eb02a9579d2950d7852777fdd8768c58beeae955e61d2a0acf0a4500ba59d8b72f0c1326c529b5cec904a3bd8
SSDEEP

98304:J1HsvJyFcscUhTXXjpbHo1PdNSQE0T7f6BMCugPypilq:J1HsvJy6scmXzpoPeb0TL6CCurp

Score

1^/10

Malware Config

Signatures

Modifies registry class 28 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e5b35059-a1be-4977-9bee-5c44226340f7}\InProcServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1b7cd997-e5ff-4932-a7a6-2a9e636da385}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1B7CD997-E5FF-4932-A7A6-2A9E636DA385}	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000_Classes\WOW6432Node\CLSID\{337448ee-2a70-43f7-99f9-40f2857950b9} = "JavaScript Language"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000_Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Component Categories\{F0B7A1A1-9847-11CF-8F20-00805F2CD064}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E5B35059-A1BE-4977-9BEE-5C44226340F7}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e5b35059-a1be-4977-9bee-5c44226340f7}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1B7CD997-E5FF-4932-A7A6-2A9E636DA385}\Implemented Categories\{F0B7A1A2-9847-11CF-8F20-00805F2CD064}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{337448ee-2a70-43f7-99f9-40f2857950b9}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{e5b35059-a1be-4977-9bee-5c44226340f7}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{e5b35059-a1be-4977-9bee-5c44226340f7}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{e5b35059-a1be-4977-9bee-5c44226340f7}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1b7cd997-e5ff-4932-a7a6-2a9e636da385}\OLEScript	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Component Categories\{F0B7A1A2-9847-11CF-8F20-00805F2CD064}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{337448ee-2a70-43f7-99f9-40f2857950b9}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Component Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1B7CD997-E5FF-4932-A7A6-2A9E636DA385}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1b7cd997-e5ff-4932-a7a6-2a9e636da385}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1b7cd997-e5ff-4932-a7a6-2a9e636da385}	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000_Classes\WOW6432Node\CLSID\{1b7cd997-e5ff-4932-a7a6-2a9e636da385} = "JavaScript Language"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000_Classes\WOW6432Node\Interface	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E5B35059-A1BE-4977-9BEE-5C44226340F7}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1B7CD997-E5FF-4932-A7A6-2A9E636DA385}\Implemented Categories\{F0B7A1A1-9847-11CF-8F20-00805F2CD064}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{337448ee-2a70-43f7-99f9-40f2857950b9}\OLEScript	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4216 wrote to memory of 3648	4216	regsvr32.exe	82
PID 4216 wrote to memory of 3648	4216	regsvr32.exe	82
PID 4216 wrote to memory of 3648	4216	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Chakra.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4216
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\Chakra.dll
  2⤵
  - Modifies registry class
  PID:3648

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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