General

  • Target

    295e4452bc2d90c550ffd4ed35b88b0902528eff36122e37fb5449762a66939bN.exe

  • Size

    270KB

  • Sample

    241226-w4azkavkcl

  • MD5

    8e5677d73dc60dc3c21e36263354f840

  • SHA1

    127cb5b81621dc3e33d770f93a4c8accaa37a292

  • SHA256

    295e4452bc2d90c550ffd4ed35b88b0902528eff36122e37fb5449762a66939b

  • SHA512

    85d6769625dad507a5510f8a07148f23540c9f0bdd3b1895b82189370f43d90641ae7b399bf9a44f5482bc173d9ba374e700bbed13c7b90b2d74a5ba67929734

  • SSDEEP

    3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s8sdka:WFzDqa86hV6uRRqX1evPlwAEdka

Malware Config

Extracted

Family

asyncrat

Version

0.4.9G

C2

corporation.warzonedns.com:9341

Mutex

480-28105c055659

Attributes
  • delay

    0

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      295e4452bc2d90c550ffd4ed35b88b0902528eff36122e37fb5449762a66939bN.exe

    • Size

      270KB

    • MD5

      8e5677d73dc60dc3c21e36263354f840

    • SHA1

      127cb5b81621dc3e33d770f93a4c8accaa37a292

    • SHA256

      295e4452bc2d90c550ffd4ed35b88b0902528eff36122e37fb5449762a66939b

    • SHA512

      85d6769625dad507a5510f8a07148f23540c9f0bdd3b1895b82189370f43d90641ae7b399bf9a44f5482bc173d9ba374e700bbed13c7b90b2d74a5ba67929734

    • SSDEEP

      3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s8sdka:WFzDqa86hV6uRRqX1evPlwAEdka

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Asyncrat family

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks