560b3bba2f6d3e74b1901904c7ea9e7c61f94c754e648cb6503abaa233d7c485 | Triage

Analysis

max time kernel
138s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 15:20

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General

Target

$PLUGINSDIR/nsDialogs.dll
Size

9KB
MD5

82c3f38cd34739872af07443c65d0bd8
SHA1

1f4ee2d394404a291eda6419f856adaf4b960237
SHA256

59cdb2c12d5635fd25af4007b70222507948be41fa9885b7f07967c2510a5311
SHA512

3a81c0613b1ea906ad4f103b02620217de69a8676dbb7ec41cf31f342a0a74562815a8d4f2efe9866fc16365f58524ac71652e99920acea355f020028775743d
SSDEEP

192:ow8cSzvTyl4tgi8pPjQM0PuAg0YNy+IFtSP:lBSzm+t18pZ0WAg0R+IFg

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2540 3304 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4888 wrote to memory of 3304	4888	rundll32.exe	rundll32.exe
PID 4888 wrote to memory of 3304	4888	rundll32.exe	rundll32.exe
PID 4888 wrote to memory of 3304	4888	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4888

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#1
2⤵
PID:3304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3304 -s 636
3⤵
- Program crash
PID:2540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3304 -ip 3304
1⤵
PID:4720

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 --field-trial-handle=4040,i,10373433614523925616,13586256558317053467,262144 --variations-seed-version --mojo-platform-channel-handle=4204 /prefetch:8
1⤵
PID:4024

Network

MITRE ATT&CK Matrix

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