Overview

overview

10

Static

static

10

KaSr_uni.exe

windows7-x64

10

KaSr_uni.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    KaSr_uni.exe
  • Size 63KB
  • Sample230425-d424yaaa4y
  • SHA256 9bc6f7078b4a80e7363336194ffccb04d646da487bb093775b3caefd224f7d87
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 1.1.0

Botnet

  • Default

C2

  • 31.192.236.139:3434

Mutex

  • KalaChowaMutex_alladin

Attributes
  • delay

    1

  • install

    true

  • install_file

    WinService.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      KaSr_uni.exe
    • Size 63KB
    • SHA256 9bc6f7078b4a80e7363336194ffccb04d646da487bb093775b3caefd224f7d87
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    asyncratdefaultrat

    • AsyncRat

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

      ratasyncrat

    • Async RAT payload

      rat

    • Checks computer location settings

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

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks