6fc494a717e1d8ca843578c7c19a27e4403eea0859393fda256d281cfa6f9535 | Triage

Analysis

max time kernel
1771s
max time network
1802s
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/client/jvm.dll
Size

3.7MB
MD5

39c302fe0781e5af6d007e55f509606a
SHA1

23690a52e8c6578de6a7980bb78aae69d0f31780
SHA256

b1fbdbb1e4c692b34d3b9f28f8188fc6105b05d311c266d59aa5e5ec531966bc
SHA512

67f91a75e16c02ca245233b820df985bd8290a2a50480dff4b2fd2695e3cf0b4534eb1bf0d357d0b14f15ce8bd13c82d2748b5edd9cc38dc9e713f5dc383ed77
SSDEEP

98304:GyXul1SNceWfkD000V3wnIACM7g6cv/GZ:Q1SgfEP0ZwnIA97dcv/GZ

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1748 4460 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2916 wrote to memory of 4460	2916	rundll32.exe	rundll32.exe
PID 2916 wrote to memory of 4460	2916	rundll32.exe	rundll32.exe
PID 2916 wrote to memory of 4460	2916	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jre\bin\client\jvm.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2916

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jre\bin\client\jvm.dll,#1
2⤵
PID:4460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4460 -s 640
3⤵
- Program crash
PID:1748

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=4240 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
1⤵
PID:2980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4460 -ip 4460
1⤵
PID:2960

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=3700 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
1⤵
PID:2652

Network

MITRE ATT&CK Matrix

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