General

  • Target

    6b77f5653e677200c58e8b184676d5b32ab551cfcea76a87e227c1dbdeebfc19.vbs

  • Size

    6KB

  • Sample

    250128-pk7qvsykgw

  • MD5

    f7f8fe92731aff901ca5f2383ac1a13d

  • SHA1

    961e1819e8c63e8fcfd9100e985ff30d7e112e9d

  • SHA256

    6b77f5653e677200c58e8b184676d5b32ab551cfcea76a87e227c1dbdeebfc19

  • SHA512

    2b1baca6c86fde32dcb81b60f717b3567160ca9417119b66ff7904e0f49cb60ca16c5820f550ee7e3f07440e41b40cd8adbcf65d5ba71e6249079129ed60225f

  • SSDEEP

    96:egvbRvbRvbRvbRvbRvbRvbRvbRvbRvbRvbRvbRvbRvbRvbRvbRvbRvbRvbRvbRvt:xLPjGZOmyX1

Malware Config

Extracted

Family

asyncrat

Version

AWS | 3Losh

Botnet

00000001

C2

81.10.39.58:7077

Mutex

AsyncMutex_alosh

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      6b77f5653e677200c58e8b184676d5b32ab551cfcea76a87e227c1dbdeebfc19.vbs

    • Size

      6KB

    • MD5

      f7f8fe92731aff901ca5f2383ac1a13d

    • SHA1

      961e1819e8c63e8fcfd9100e985ff30d7e112e9d

    • SHA256

      6b77f5653e677200c58e8b184676d5b32ab551cfcea76a87e227c1dbdeebfc19

    • SHA512

      2b1baca6c86fde32dcb81b60f717b3567160ca9417119b66ff7904e0f49cb60ca16c5820f550ee7e3f07440e41b40cd8adbcf65d5ba71e6249079129ed60225f

    • SSDEEP

      96:egvbRvbRvbRvbRvbRvbRvbRvbRvbRvbRvbRvbRvbRvbRvbRvbRvbRvbRvbRvbRvt:xLPjGZOmyX1

    • AsyncRat

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

    • Asyncrat family

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks