General

  • Target

    8340_output.zip

  • Size

    54KB

  • Sample

    241228-aczb7asldw

  • MD5

    a08ad93b605fc4b7de941393c9de06a3

  • SHA1

    7d1a6a6a74114bd2ee5e83c80805ce20d0cc9942

  • SHA256

    8a6d1b4d05f11143fbc05f00fe1863ce1005bf80953b012d2bdc1c40dd0468b8

  • SHA512

    720ed6d95808778651fd9b2576bfafef8a590a541bf16002931226d0e3e33a617632412346403574794b009a8b2f2cce20d66a13c491e1a817eb6b5ae1263fcd

  • SSDEEP

    1536:8IlN/6tE9o27L4tgIw/+tEFhTZ9gRMx6Ub:8ImtEC27Upt0NZWR89

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

87.120.113.125:55644

Mutex

E0GLVPl3iUqi

Attributes
  • delay

    3

  • install

    false

  • install_file

    winserve.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      4551_output.vbs

    • Size

      204KB

    • MD5

      3fbd3b678d861076338cc2839f315f8a

    • SHA1

      06738e398143f4f15ba633d9fbf0bf84df14c81e

    • SHA256

      cf9d43a42cb972311c8f75bccd9248d356879f205dbb037f1100c1777c4a2965

    • SHA512

      1b097663be0fade854d1756b8db848d0009f15964951ec94f5b61c7255e7cf247dfd94fca63a4da039fd8f73c5f1816016a0cd220c0b1d49e026279ef2068cf8

    • SSDEEP

      1536:abfH0Kj03LRy+CTb2PxmivrdVdKuTtwbDGgwVZYT/4HHO+D1FMbK:a7H0Kj0c+CoXvhvT+bzwTYUHH9D12bK

    • AsyncRat

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

    • Asyncrat family

    • Async RAT payload

    • 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.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks