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General

  • Target

    open-need-this-684.exe

  • Size

    8.7MB

  • Sample

    250220-rylfwsyms7

  • MD5

    26ac2cdeefb0f51dbde730908be45003

  • SHA1

    fd6dbec83d04031efd710c3ce882a2539d100485

  • SHA256

    7f52cc060068f787eb046f732beb652d2727f023b6f17ae1323f8a868c75e1ac

  • SHA512

    2554396d1b4d252240cfda1e3120d4ded181434b7d3171dc693a3cdef2a7cc3800556c608fd455189fa24b61cfd1a58c30ce0f358ba712bc56f10ef13571e907

  • SSDEEP

    49152:cQ5EJW5E9u6LX4RS5ECBnUcvNWuGZdMasijz66IJNJkeBxbEFNWIhNajSQrygYKS:cQ25u6KSSIUcVWLHVs0W7CgYKDyz85QV

Malware Config

Extracted

Family

cryptbot

C2

http://home.thrtnn13sr.top/aAhAvaEByhHTjvHqeqsz17

Targets

    • Target

      open-need-this-684.exe

    • Size

      8.7MB

    • MD5

      26ac2cdeefb0f51dbde730908be45003

    • SHA1

      fd6dbec83d04031efd710c3ce882a2539d100485

    • SHA256

      7f52cc060068f787eb046f732beb652d2727f023b6f17ae1323f8a868c75e1ac

    • SHA512

      2554396d1b4d252240cfda1e3120d4ded181434b7d3171dc693a3cdef2a7cc3800556c608fd455189fa24b61cfd1a58c30ce0f358ba712bc56f10ef13571e907

    • SSDEEP

      49152:cQ5EJW5E9u6LX4RS5ECBnUcvNWuGZdMasijz66IJNJkeBxbEFNWIhNajSQrygYKS:cQ25u6KSSIUcVWLHVs0W7CgYKDyz85QV

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • Detects CryptBot payload

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Enumerates VirtualBox registry keys

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

MITRE ATT&CK Enterprise v15

Tasks