Overview

overview

10

Static

static

9339fe09ff...58.dll

windows7_x64

9

9339fe09ff...58.dll

windows10-2004_x64

10

Sharing

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General

  • Target

    9339fe09ff7f8cc9c853d6d6a5171858.dll

  • Size

    2.6MB

  • Sample

    220504-y95ggahdek

  • MD5

    9339fe09ff7f8cc9c853d6d6a5171858

  • SHA1

    b5ddc9a0b1e7d639a0d71c6627337995b3a02ed6

  • SHA256

    48f664496412e4da22a0d539aca9fe98737a194103d55ff58ea15dae95935d90

  • SHA512

    b75c9d33b22403526e12642ecba9b9fa07afd4101865398e4956ff18e200c18528724a9d26c27182c829c62e87e513496fcbafa9a55b9dc1729ca74ba1f276f0

Score
10/10
bumblebeeevasiontrojan

Malware Config

Extracted

Family

bumblebee

C2

23.83.134.136:443

138.201.190.52:443
Attributes
  • group_id

    25html

    AwIWMFX6fJ

Targets

    • Target

      9339fe09ff7f8cc9c853d6d6a5171858.dll

    • Size

      2.6MB

    • MD5

      9339fe09ff7f8cc9c853d6d6a5171858

    • SHA1

      b5ddc9a0b1e7d639a0d71c6627337995b3a02ed6

    • SHA256

      48f664496412e4da22a0d539aca9fe98737a194103d55ff58ea15dae95935d90

    • SHA512

      b75c9d33b22403526e12642ecba9b9fa07afd4101865398e4956ff18e200c18528724a9d26c27182c829c62e87e513496fcbafa9a55b9dc1729ca74ba1f276f0

    Score
    10/10
    evasionbumblebeetrojan

    • 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 Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

4
T1497

Credential Access

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

4
T1497

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks