General

  • Target

    output.script.vbs

  • Size

    203KB

  • Sample

    241227-3q83rssjh1

  • MD5

    f340313af69ff225bf85f71c378fea27

  • SHA1

    d2fcf71d1859866d252a193f87e6b5d017c0ae45

  • SHA256

    57214b92aadf1f587a98a0d0eacaf47aae8516c18c5e96b7745e32b6c079a3d1

  • SHA512

    2dc362628b59743473c5a899f77af49020876e8236c521a63c5c92aef4553c1d003c96e684279353ab67a96245cade13bbe372b5f28183f306e4275d82c10f11

  • SSDEEP

    1536:abfH0Kj+S44//vsnrRBJZ/iJLerpid/jBCj48xvR5+DdmlZO:a7H0Kj+STnvsnVPZ/igrEOxvR5+xmlZO

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

87.120.113.125:2101

87.120.113.125:55644

Mutex

E0GLVPl3iUqi

Attributes
  • delay

    3

  • install

    false

  • install_file

    winserve.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      output.script.vbs

    • Size

      203KB

    • MD5

      f340313af69ff225bf85f71c378fea27

    • SHA1

      d2fcf71d1859866d252a193f87e6b5d017c0ae45

    • SHA256

      57214b92aadf1f587a98a0d0eacaf47aae8516c18c5e96b7745e32b6c079a3d1

    • SHA512

      2dc362628b59743473c5a899f77af49020876e8236c521a63c5c92aef4553c1d003c96e684279353ab67a96245cade13bbe372b5f28183f306e4275d82c10f11

    • SSDEEP

      1536:abfH0Kj+S44//vsnrRBJZ/iJLerpid/jBCj48xvR5+DdmlZO:a7H0Kj+STnvsnVPZ/igrEOxvR5+xmlZO

    • 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