General

  • Target

    0b525c4353772a037df1a5815c64919b42b03ff92f4cb6a445367f46b7e82fd9

  • Size

    909KB

  • Sample

    240806-qrh7hszgrj

  • MD5

    9da3fe2dc92314bbde5acb9fcc5ee627

  • SHA1

    67338ae6eaefbec732b72a31c909c4f9f3b09b56

  • SHA256

    0b525c4353772a037df1a5815c64919b42b03ff92f4cb6a445367f46b7e82fd9

  • SHA512

    ba5291821715d572d19871b494538d4a8cb68172518bdeb3c232740e31c9b0767ead41b1c234b56860a439e28d804b8fb7d41ddeffc943dd6b06cc1f4eb241b6

  • SSDEEP

    24576:Gf+4JO2iIzJJ4//3Udkj/9/5//sveidXG:zC/ii4X3Qk3M/2

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

C2

blue.o7lab.me:7777

server.underground-cheat.xyz:7777

Mutex

dtDtRWyW1m1g

Attributes
  • delay

    3

  • install

    false

  • install_file

    $77WinUpdate.exe

  • install_folder

    %AppData%

aes.plain
aes.plain

Targets

    • Target

      0b525c4353772a037df1a5815c64919b42b03ff92f4cb6a445367f46b7e82fd9

    • Size

      909KB

    • MD5

      9da3fe2dc92314bbde5acb9fcc5ee627

    • SHA1

      67338ae6eaefbec732b72a31c909c4f9f3b09b56

    • SHA256

      0b525c4353772a037df1a5815c64919b42b03ff92f4cb6a445367f46b7e82fd9

    • SHA512

      ba5291821715d572d19871b494538d4a8cb68172518bdeb3c232740e31c9b0767ead41b1c234b56860a439e28d804b8fb7d41ddeffc943dd6b06cc1f4eb241b6

    • SSDEEP

      24576:Gf+4JO2iIzJJ4//3Udkj/9/5//sveidXG:zC/ii4X3Qk3M/2

    • AsyncRat

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

    • Async RAT payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

    • Command and Scripting Interpreter: PowerShell

      Start PowerShell.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks