Overview

overview

10

Static

static

3

8f47c3962a...f7.dll

windows7-x64

10

8f47c3962a...f7.dll

windows10-2004-x64

10

Sharing

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General

  • Target

    8f47c3962a7c418bae71fec42bbca9524b72f8f0fd2dd81d1175138f7d20b2f7

  • Size

    2.7MB

  • Sample

    240410-pvnezaba6s

  • MD5

    8335ad591afdfdd65f90536b9ff15597

  • SHA1

    bfc8b6501dfac4583979f12552535c2923b881bf

  • SHA256

    8f47c3962a7c418bae71fec42bbca9524b72f8f0fd2dd81d1175138f7d20b2f7

  • SHA512

    b438383f722afc65cf5dce113a405f4feec3f275f513f01a7f7a8f6150bbce78a669015b552ed3b7c798f7538444e1a6b751cc7e290445ef1404b9e34ff4a473

  • SSDEEP

    49152:K1GTzcSFGB0tWWYLGPFn7aRmNkk/yCAgQ2MccAnpgSpWaI7+lNOl7AmWzOCI9e:K1G3lExTLGtomNkk/yCAgQ2MccAnpgSR

Score
10/10
bumblebeeall0604evasionloader

Malware Config

Extracted

Family

bumblebee

Botnet

ALL0604

C2

192.236.198.63:443

Targets

    • Target

      8f47c3962a7c418bae71fec42bbca9524b72f8f0fd2dd81d1175138f7d20b2f7

    • Size

      2.7MB

    • MD5

      8335ad591afdfdd65f90536b9ff15597

    • SHA1

      bfc8b6501dfac4583979f12552535c2923b881bf

    • SHA256

      8f47c3962a7c418bae71fec42bbca9524b72f8f0fd2dd81d1175138f7d20b2f7

    • SHA512

      b438383f722afc65cf5dce113a405f4feec3f275f513f01a7f7a8f6150bbce78a669015b552ed3b7c798f7538444e1a6b751cc7e290445ef1404b9e34ff4a473

    • SSDEEP

      49152:K1GTzcSFGB0tWWYLGPFn7aRmNkk/yCAgQ2MccAnpgSpWaI7+lNOl7AmWzOCI9e:K1G3lExTLGtomNkk/yCAgQ2MccAnpgSR

    Score
    10/10
    bumblebeeall0604evasionloader

    • BumbleBee

      BumbleBee is a loader malware written in C++.

      loaderbumblebee

    • Enumerates VirtualBox registry keys

      evasion

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

      evasion

    • Looks for VirtualBox Guest Additions in registry

      evasion

    • Blocklisted process makes network request

    • 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 v13

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

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks