6fc494a717e1d8ca843578c7c19a27e4403eea0859393fda256d281cfa6f9535 | Triage

Analysis

max time kernel
1770s
max time network
1803s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
20-04-2024 11:08

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General

Target

jre/bin/dtplugin/npdeployJava1.dll
Size

886KB
MD5

4fd3548990caf9771b688532def5de48
SHA1

567c27a4ea16775085d8e87a38fe58bec4463f7d
SHA256

bde5df7bcfc35270b57a8982949bf5f25592a2e560a04e9868b84bef83a0ea4b
SHA512

fd2cf2072a786293e30cd495ba06f4734f0cea63cbc49b6d7a24f6891612375e48d1b5758d9408625e769e8a81c7c34f04278e011bcf47edeb8c2afc13aec20c
SSDEEP

24576:ZyWOeRjqm9ZRI+Ga+fme7CV93+x6FQ3ge:VRAeMme7kA6F6ge

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2256 1432 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3444 wrote to memory of 1432	3444	rundll32.exe	rundll32.exe
PID 3444 wrote to memory of 1432	3444	rundll32.exe	rundll32.exe
PID 3444 wrote to memory of 1432	3444	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jre\bin\dtplugin\npdeployJava1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3444

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jre\bin\dtplugin\npdeployJava1.dll,#1
2⤵
PID:1432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 688
3⤵
- Program crash
PID:2256

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3820 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
1⤵
PID:2548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1432 -ip 1432
1⤵
PID:2084

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4264 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
1⤵
PID:380

Network

MITRE ATT&CK Matrix

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