b06842757fdca6faf5f5509093fc50ee620e0f183882438221e27acae4d9e33f | Triage

Analysis

max time kernel
52s
max time network
57s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
12-06-2024 08:38

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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

pid	pid_target	Process	procid_target
896	232	WerFault.exe	89

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5012 wrote to memory of 232	5012	rundll32.exe	89
PID 5012 wrote to memory of 232	5012	rundll32.exe	89
PID 5012 wrote to memory of 232	5012	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\tbb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5012
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\tbb.dll,#1
  2⤵
  PID:232
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 604
    3⤵
    - Program crash
    PID:896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 232 -ip 232
1⤵
PID:2464

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=3812,i,11751898164297348119,13021661521765644467,262144 --variations-seed-version --mojo-platform-channel-handle=4184 /prefetch:8
1⤵
PID:2552

Network

MITRE ATT&CK Matrix

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