General

  • Target

    Confirmation_1.gz.zip

  • Size

    1.1MB

  • Sample

    230612-hd2spsbe4w

  • MD5

    e52cd785679b3988ae6375a3fa0e9c56

  • SHA1

    ae604395aa9b5aa52cd297739dd829532f0d064d

  • SHA256

    c808e17f32c426d4059a19c888c71348c23ddebe9ee227c70a0a56a91dea708e

  • SHA512

    80e82e279ca1d8d2cff9cc99be2fbc5c2e6884ed1ecf0bcc2044c35245461f8e27bd02ba80fe0b629523b20261d49374e14e3b5b89a1d42abcb8ea720e710f5c

  • SSDEEP

    24576:ygfptZZeBfMtiNTDmdJ0YxGgQ6aTvUoBzTszC4yiMCdGw7FJj:Z/KfMtKmdBEgQtjUoBzTX4yiVbRJj

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

DxGroup

C2

flurrybeatmecamtest.ddns.net:6767

flurrybeatmecamtest.ddns.net:4141

flurrybeatmecamtest.sytes.net:6767

flurrybeatmecamtest.sytes.net:4141

Mutex

AsyncMutex_6SI8OkRtG

Attributes
  • delay

    4

  • install

    true

  • install_file

    mrec.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      Confirmation.exe

    • Size

      1.3MB

    • MD5

      52ffadcc31852e900c70f28498187bc6

    • SHA1

      a6ef0d114f2a25c01eafb7a611f8821bfdc0e8af

    • SHA256

      5c06318e1614eed017bf727ddaf46ee6cb90a2115199b35e408bea8152298e1e

    • SHA512

      60028a5dba40a381554469d02fd56d2612d3a1f8250e1fca89c74ce7cab44127c5003845468ab044988cfcdb60dc3b590b2fb90c75f28576f6a407beb49c1787

    • SSDEEP

      24576:wNA3R5drXhDFw71enfWt03TzmNJ4Yx8eQ+aFvWoTzPslCsmUKedewxFJ5:p5VmefWts+NByeQJ9WoTzPPsmUVnXJ5

    Score
    10/10
    • 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

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks