General

  • Target
    dcaf229e56e1b0f267d7e99b63920150ef1c18f8bcbf4da94c9ac592c75bdbe8
  • Size 1.3MB
  • Sample240804-3ytytavarc
  • SHA256 dcaf229e56e1b0f267d7e99b63920150ef1c18f8bcbf4da94c9ac592c75bdbe8
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • 45.90.13.137:7707

Mutex
  • HleCBmrMxwFA

Attributes
  • delay

    3

  • install

    true

  • install_file

    Server-Host.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      RC7 (5) (1)/First.dll
    • Size 7KB
    • SHA256 77ea5129b0e8145f00c040a5a7db84b37d6b736f488e866545ae072ad9ca221a
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      RC7 (5) (1)/First.exe
    • Size 139KB
    • SHA256 8bcb2329f01af33a1707f6a1a749987cfaff3976a9bcdbffad37d477dd5fd8ab
    • MD5 SHA1 SHA512 SSDEEP
    • AsyncRat

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

    • Modifies Windows Defender Real-time Protection settings

    • Async RAT payload

    • Disables Task Manager via registry modification

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Target
      RC7 (5) (1)/ScintillaNET.dll
    • Size 1.3MB
    • SHA256 ad0cc5a4d4a6aae06ee360339c851892b74b8a275ce89c1b48185672179f3163
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10

MITRE ATT&CK Enterprise v15

Tasks