351005b4b75c99a659012947472d1611fb149633c97d64b51cf81e451b063534 | Triage

Analysis

max time kernel
125s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
05-07-2024 03:46

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General

Target

$PLUGINSDIR/newtextreplace.dll
Size

11KB
MD5

b5358341df2cb171876a5f201e31a834
SHA1

df34750ea5504274be5ff8ddd306b49e302d04f9
SHA256

156b9b583399faf13c4d46b89339fb0f7f38dc847ac2d7872178d8e3998b9734
SHA512

821dc42e24fa2d44a1d4d16b26c3da2688dac0fa44a266e38da2aff706c91440d83a87abc74131930e6c38a44a0c5e627db2d045375fde147e0edd3276f4b014
SSDEEP

192:GGhRfigbU26niqo9m+9k15AA1NrW0QfaDx3nxNLr6s+:GIwgSnhv/IaDx3n6X

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2364 640 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3216 wrote to memory of 640	3216	rundll32.exe	rundll32.exe
PID 3216 wrote to memory of 640	3216	rundll32.exe	rundll32.exe
PID 3216 wrote to memory of 640	3216	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\newtextreplace.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3216

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\newtextreplace.dll,#1
2⤵
PID:640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 600
3⤵
- Program crash
PID:2364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 640 -ip 640
1⤵
PID:1080

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 --field-trial-handle=4208,i,7362247189940554640,1583793531684159627,262144 --variations-seed-version --mojo-platform-channel-handle=3908 /prefetch:8
1⤵
PID:2124

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/640-0-0x0000000064300000-0x000000006430B000-memory.dmp

Filesize
44KB

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