b06842757fdca6faf5f5509093fc50ee620e0f183882438221e27acae4d9e33f | Triage

Analysis

max time kernel
144s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240319-en
resource tags

arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
submitted
01-04-2024 17:02

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General

Target

tbb.dll
Size

143KB
MD5

54e3d6e8043931e0d94edd78b450a2d6
SHA1

8034cf916ba94d749c42b81444d602213b9cd5a9
SHA256

ebe3a0837e88a6e2ef8daf3f95b17533612e3f94d7c54ecba421f71f3e01dfb9
SHA512

e192898465f644e87466ea4cfbcb04e5ba99c82246ea380faa8593d4041b37ea33bde8697fbd364ce676e09f32180eed7b51fbce485a6a3b3b0d3c5c4d27dae9
SSDEEP

3072:wszEQHoe5YEzjGTZgnyrrY2x2+R35AO5bFW2iut:HLneEHnyrrfh35AO5bFWPut

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2288 5020 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3488 wrote to memory of 5020	3488	rundll32.exe	rundll32.exe
PID 3488 wrote to memory of 5020	3488	rundll32.exe	rundll32.exe
PID 3488 wrote to memory of 5020	3488	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\tbb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3488

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\tbb.dll,#1
2⤵
PID:5020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5020 -s 604
3⤵
- Program crash
PID:2288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5020 -ip 5020
1⤵
PID:3004

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=4052 --field-trial-handle=2228,i,17475224967547320003,13667387715861799238,262144 --variations-seed-version /prefetch:8
1⤵
PID:440

Network

MITRE ATT&CK Matrix

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