General

  • Target

    b4418aa1113856455c82ff2d515ff760N.exe

  • Size

    267KB

  • Sample

    240819-sac1aazhpe

  • MD5

    b4418aa1113856455c82ff2d515ff760

  • SHA1

    6ae6d4694267f7bf8b2446a57070daa51e15db39

  • SHA256

    aa69530a4b653671c19a51611e198923bde7e05d88a36636cefb0c1c4151e219

  • SHA512

    7cfabc3a1b1f0db8aa522bccb4cb240800806c6a8db26528ad4c000e9c32570aefbad5a1eca71178a0a3f93245112d42c89859c17467172390529d01c60ff02b

  • SSDEEP

    3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/u:WFzDqa86hV6uRRqX1evPlwAG

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

      b4418aa1113856455c82ff2d515ff760N.exe

    • Size

      267KB

    • MD5

      b4418aa1113856455c82ff2d515ff760

    • SHA1

      6ae6d4694267f7bf8b2446a57070daa51e15db39

    • SHA256

      aa69530a4b653671c19a51611e198923bde7e05d88a36636cefb0c1c4151e219

    • SHA512

      7cfabc3a1b1f0db8aa522bccb4cb240800806c6a8db26528ad4c000e9c32570aefbad5a1eca71178a0a3f93245112d42c89859c17467172390529d01c60ff02b

    • SSDEEP

      3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/u:WFzDqa86hV6uRRqX1evPlwAG

    • AsyncRat

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

    • 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