755d11ba3943ba14071f4bdb5b10d3a1db96fdbf637a2851317304aa2523a4b4 | Triage

Analysis

max time kernel
136s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/06/2024, 09:12

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General

Target

Plugins/FX/reacomp.dll
Size

30KB
MD5

b69de15e6d7e02430b1113b01741ec97
SHA1

7e4f7c3c206bf9ae529b4ffc05a41bf2fb35dbc5
SHA256

d8b741d5421756068530463df465e25c514c0fd548a59c744348756cd6bca5b3
SHA512

ed232cf6ebad1a238c4fe6c4f0456ff66cfc023714ce6891fc26a9c42a6858af725d25c8847c5a2feb13640bf00fb1168d53207b42f72baeaca5992fafa03b31
SSDEEP

768:NSN/h9CbnxserkO+RM38dS0i7ps0Rhtg:NKZ9yn/IpRM38k0i77Rht

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3960	3796	WerFault.exe	89

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3852 wrote to memory of 3796	3852	rundll32.exe	89
PID 3852 wrote to memory of 3796	3852	rundll32.exe	89
PID 3852 wrote to memory of 3796	3852	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Plugins\FX\reacomp.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3852
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Plugins\FX\reacomp.dll,#1
  2⤵
  PID:3796
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3796 -s 600
    3⤵
    - Program crash
    PID:3960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3796 -ip 3796
1⤵
PID:2004

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=4048 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
1⤵
PID:2312

Network

MITRE ATT&CK Matrix

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