Resubmissions

11-11-2024 13:51

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11-11-2024 13:41

241111-qy5zvstjer 10

11-11-2024 13:36

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11-11-2024 13:30

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General

  • Target

    SunlightBootstrapper.exe

  • Size

    1.8MB

  • Sample

    241111-qy5zvstjer

  • MD5

    7c4f1852448b6217ca92deecaceb6247

  • SHA1

    23f8b47a3a5bbcadb7d01dd8a727e0c2c48c0848

  • SHA256

    8f6baf69e7e047012b20299cd4d3bf4f86eaee8c7f42fed6cb4a33b79ef51dd2

  • SHA512

    4ef4281529f2159761f11ad890da0f7d79e2513019a1fd717b312ef2fb0ef9d01a54cb07561e40b0c12edd46089a8228f977ebb2ac109939bdddda57fad2f812

  • SSDEEP

    24576:dsmUYlIZ2RBbEeUhk7Dz6rdnkYA1LUqBFJJCZm4E6+eQ:emUYlIckeUAGnmLtFaZ0pe

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

109.87.212.225:1337

Mutex

oIyMus9FxRxA

Attributes
  • delay

    3

  • install

    true

  • install_file

    dwm.exe

  • install_folder

    %Temp%

aes.plain

Targets

    • Target

      SunlightBootstrapper.exe

    • Size

      1.8MB

    • MD5

      7c4f1852448b6217ca92deecaceb6247

    • SHA1

      23f8b47a3a5bbcadb7d01dd8a727e0c2c48c0848

    • SHA256

      8f6baf69e7e047012b20299cd4d3bf4f86eaee8c7f42fed6cb4a33b79ef51dd2

    • SHA512

      4ef4281529f2159761f11ad890da0f7d79e2513019a1fd717b312ef2fb0ef9d01a54cb07561e40b0c12edd46089a8228f977ebb2ac109939bdddda57fad2f812

    • SSDEEP

      24576:dsmUYlIZ2RBbEeUhk7Dz6rdnkYA1LUqBFJJCZm4E6+eQ:emUYlIckeUAGnmLtFaZ0pe

    • AsyncRat

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

    • Asyncrat family

    • Modifies security service

    • Async RAT payload

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

MITRE ATT&CK Enterprise v15

Tasks