Overview

overview

10

Static

static

10

f9fc5d610c...45.exe

windows10-2004-x64

10

f9fc5d610c...45.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    f9fc5d610ce41afaee06a695e8e2f3fa2bb8b9a405e6cfa04eb1f85c335f8845
  • Size 45KB
  • Sample260803-w7b12ahn61
  • SHA256 f9fc5d610ce41afaee06a695e8e2f3fa2bb8b9a405e6cfa04eb1f85c335f8845
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultcommand_and_controldefense_evasiondiscoveryexecutionpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • sas-cdn.com:80

  • sas-cdn.com:22

  • sas-cdn.com:8080

  • sas-cdn.com:8880

  • sas-cdn.com:2052

  • sas-cdn.com:2082

  • sas-cdn.com:2086

  • sas-cdn.com:2095

  • sas-cdn.com:443

  • sas-cdn.com:2053

  • sas-cdn.com:2083

  • sas-cdn.com:2087

  • sas-cdn.com:2096

  • sas-cdn.com:8443

  • www.sas-cdn.com:80

  • www.sas-cdn.com:22

  • www.sas-cdn.com:8080

  • www.sas-cdn.com:8880

  • www.sas-cdn.com:2052

  • www.sas-cdn.com:2082

Mutex

  • vClDoC8RfAvk

Attributes
  • delay

    0

  • install

    true

  • install_file

    is4xumf.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      f9fc5d610ce41afaee06a695e8e2f3fa2bb8b9a405e6cfa04eb1f85c335f8845
    • Size 45KB
    • SHA256 f9fc5d610ce41afaee06a695e8e2f3fa2bb8b9a405e6cfa04eb1f85c335f8845
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defaultdefense_evasiondiscoveryexecutionasyncratpersistenceratcommand_and_control

    • 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