6fc494a717e1d8ca843578c7c19a27e4403eea0859393fda256d281cfa6f9535 | Triage

Analysis

max time kernel
436s
max time network
1164s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
20-04-2024 11:08

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General

Target

jre/bin/dtplugin/deployJava1.dll
Size

808KB
MD5

e741028613b1fc49ec5a899be6e3fc34
SHA1

9eae3d3ca22e92a925395a660b55cecb2eb62d54
SHA256

9163a546696e581d443b3a6250f61e5368be984c69adfb54ee2b0e51d0fa008e
SHA512

05c6ce707f4f0f415e74d32f1aacec7e2c7746c3d04c75502eaecafaf9e0108ce6206a8a3939c92edce449ffc0a68fb4389edaa93d61920d1ec85327d1b3a55a
SSDEEP

24576:E0NweWDjb28WNjE/lBy/pUbS3lYMpQIRrAOh3:7Wb5By/pUbouAQIRHh3

Score

1^/10

Malware Config

Signatures

Modifies registry class 5 IoCs

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CAFEEFAC-DEC7-0000-0001-ABCDEFFEDCBA}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CAFEEFAC-DEC7-0000-0001-ABCDEFFEDCBA}\Deployment Toolkit = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CAFEEFAC-DEC7-0000-0001-ABCDEFFEDCBA}\InprocServer32	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CAFEEFAC-DEC7-0000-0001-ABCDEFFEDCBA}\InprocServer32\C:\Users\Admin\AppData\Local\Temp\jre\bin\dtplugin\deployJava1.dll = "0"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CAFEEFAC-DEC7-0000-0001-ABCDEFFEDCBA}\InprocServer32\Apartment = "1960832712"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 2860 wrote to memory of 4928	2860	regsvr32.exe	regsvr32.exe
PID 2860 wrote to memory of 4928	2860	regsvr32.exe	regsvr32.exe
PID 2860 wrote to memory of 4928	2860	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\jre\bin\dtplugin\deployJava1.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2860
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\jre\bin\dtplugin\deployJava1.dll
  2⤵
  - Modifies registry class
  PID:4928

Network

MITRE ATT&CK Matrix

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