Overview

overview

10

Static

static

GfsFepFIKsNGpt.dll

windows7-x64

10

GfsFepFIKsNGpt.dll

windows10-2004-x64

10

Resubmissions

13/10/2022, 01:21

221013-bqxk7aadg410

01/09/2022, 11:01

220901-m4kdkacfcm10

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General

  • Target
    GfsFepFIKsNGpt.dll.exe
  • Size 1.7MB
  • Sample220901-m4kdkacfcm
  • SHA256 32d3c8a61ba7a61d1f7466a4a60f7b52bb9bb0e6d000418da5cce79831f55a8c
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
bumblebee3108evasiontrojan

Malware Config

Extracted

Family

  • bumblebee

Botnet

  • 3108

C2

  • 54.203.130.81:428

  • 103.160.22.125:439

  • 100.194.5.156:279

  • 138.10.128.167:465

  • 16.68.199.17:119

  • 49.58.238.45:318

  • 158.121.21.147:265

  • 76.179.109.138:320

  • 219.114.206.84:318

  • 242.123.229.45:306

  • 247.142.48.124:278

  • 137.128.84.3:389

  • 178.18.89.43:472

  • 68.72.230.54:206

  • 253.1.172.156:320

  • 88.12.127.219:297

  • 113.50.222.178:284

  • 135.21.140.60:404

  • 64.44.102.36:443

  • 247.232.101.39:263

rc4.plain

Targets

    • Target
      GfsFepFIKsNGpt.dll.exe
    • Size 1.7MB
    • SHA256 32d3c8a61ba7a61d1f7466a4a60f7b52bb9bb0e6d000418da5cce79831f55a8c
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    bumblebee3108evasiontrojan

    • 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

    • Suspicious use of NtCreateThreadExHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks