Overview

overview

10

Static

static

texte.dll

windows7_x64

9

texte.dll

windows10-2004_x64

10

Sharing

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General

  • Target
    texte.dll
  • Size 1.3MB
  • Sample220520-mxt97aaef5
  • SHA256 07edd643a92f1611deb26f28cb1c9182dc525b773d0a3ffd8a4b66f9f39f2917
  • MD5 SHA1 SHA512
Score
10/10
bumblebee1705revasiontrojan

Malware Config

Extracted

Family

  • bumblebee

Botnet

  • 1705r

C2

  • 176.107.177.124:443

  • 192.236.160.254:443

  • 192.236.192.85:443

rc4.plain

Targets

    • Target
      texte.dll
    • Size 1.3MB
    • SHA256 07edd643a92f1611deb26f28cb1c9182dc525b773d0a3ffd8a4b66f9f39f2917
    • MD5 SHA1 SHA512
    Score
    10/10
    evasionbumblebee1705rtrojan

    • BumbleBee

      BumbleBee is a webshell malware written in C++.

      trojanbumblebee

    • Enumerates VirtualBox registry keys

      evasion

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Looks for VirtualBox Guest Additions in registry

      evasion

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

      evasion
    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks