79551a4bc7453a47bf6ecabe218c80f7d8d57bb41a9900541d86d990b5cc8188 | Triage

Analysis

max time kernel
141s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19-03-2024 16:24

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General

Target

$PLUGINSDIR/MyButtonLinker.dll
Size

41KB
MD5

b0b4e9e2b5761a1ae3b51d6a6f02525c
SHA1

3b7bfef45795866a9b0bbc347ecaa256e3d8ee2a
SHA256

25a10b5825200bda102b115aca320a98b1915bd2fcf784b7d6f4a5b86111e897
SHA512

0255dc0104f605c6fbc474ca07e3e2616e2d8fd9490f9cdfa0bc986fdbe03d66605f8f5b2f5cbb9df260c5dee6f32b4effe1740f1d24af446e380b0e8137b5f9
SSDEEP

768:ACr7/kNJGWycKdaxFcZ3DcXN9cNLWQbCDI:AfGWycKIbcZzcXN9OaECE

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
540	3904	WerFault.exe	95

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 3904	2068	rundll32.exe	95
PID 2068 wrote to memory of 3904	2068	rundll32.exe	95
PID 2068 wrote to memory of 3904	2068	rundll32.exe	95

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\MyButtonLinker.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\MyButtonLinker.dll,#1
  2⤵
  PID:3904
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 632
    3⤵
    - Program crash
    PID:540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3904 -ip 3904
1⤵
PID:3272

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=3096 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
1⤵
PID:3164

Network

MITRE ATT&CK Matrix

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