Overview

overview

10

Static

static

10

upgrade.exe

windows10-2004-x64

10

upgrade.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    upgrade.exe
  • Size 112KB
  • Sample261002-jbcapswejd
  • SHA256 0327b5581a010f8cf86862e356704d7d1c2a2ea68915634159fbc0dd502e36b0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultcommand_and_controldefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • 789bet.systems:8808

  • 789bet.systems:443

  • 789bet.systems:80

  • 789bet.systems:22

  • 789bet.systems:23

  • www.789bet.systems:8808

  • www.789bet.systems:443

  • www.789bet.systems:80

  • www.789bet.systems:22

  • www.789bet.systems:23

Mutex

  • 8xvaY3Magiln

Attributes
  • delay

    3

  • install

    true

  • install_file

    upgrade.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      upgrade.exe
    • Size 112KB
    • SHA256 0327b5581a010f8cf86862e356704d7d1c2a2ea68915634159fbc0dd502e36b0
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defaultcommand_and_controldefense_evasiondiscoveryexecutionasyncratpersistencerat

    • Async RAT payload

      rat

    • Family: AsyncRat

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

      ratasyncrat

    • Checks computer location settings

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

    • Executes dropped EXE

    • Outbound SSH connection to public host

      SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

      command_and_control
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks