Overview

overview

10

Static

static

taxep.dll

windows7_x64

10

taxep.dll

windows10-2004_x64

10

Sharing

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General

  • Target
    taxep.dll
  • Size 1.6MB
  • Sample220603-mpdbpsaceq
  • SHA256 538d9548d4b197611a07d436feb27beff04e6cd53fba88b1cfdee626eff89db2
  • MD5 SHA1 SHA512
Score
10/10
bumblebee206revasiontrojan

Malware Config

Extracted

Family

  • bumblebee

Botnet

  • 206r

C2

  • 145.239.30.26:443

  • 194.37.97.135:443

  • 185.62.58.238:443

  • 176.107.177.124:443

  • 192.236.160.254:443

  • 192.236.192.85:443

  • 185.62.56.201:443

  • 103.175.16.59:443

  • 198.98.57.91:443

  • 154.56.0.221:443

  • 64.44.101.250:443

  • 103.175.16.117:443

  • 63.141.248.253:443

  • 192.236.194.136:443

  • 193.239.84.247:443

  • 192.236.161.191:443

  • 185.156.172.123:443

  • 54.38.136.187:443

  • 64.44.102.6:443

  • 192.119.64.21:443

rc4.plain

Targets

    • Target
      taxep.dll
    • Size 1.6MB
    • SHA256 538d9548d4b197611a07d436feb27beff04e6cd53fba88b1cfdee626eff89db2
    • MD5 SHA1 SHA512
    Score
    10/10
    bumblebee206revasiontrojan

    • 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