Overview

overview

10

Static

static

3

4a49e2f06b...51.dll

windows7-x64

10

4a49e2f06b...51.dll

windows10-2004-x64

10

Sharing

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General

  • Target

    4a49e2f06ba48d3a88fdeb83fb8021f3d165535e8ea5319b16a7ebe4da9c0751

  • Size

    2.7MB

  • Sample

    240410-mwxnxsda39

  • MD5

    c9e37a67f7e3dd3826c23ee04a62ec7b

  • SHA1

    aa157fabb858a9e7ae0d138246545f776934cba7

  • SHA256

    4a49e2f06ba48d3a88fdeb83fb8021f3d165535e8ea5319b16a7ebe4da9c0751

  • SHA512

    5a5912c002f7d06a39bd0f9eba82da32cd7e621e814f1060095d5d56d2a0092ee398499a6a75cb28da773f63b1320f66089ed881a59fb36e8b589deb384e92ea

  • SSDEEP

    49152:+jThLI9aW/+9xRAfRJiN9KtmkP8vfuGia3F2JgN8kupvjgi3M8pp/:+XdO+9x4JiN9umkP8vfuGia3F2JgN8kG

Score
10/10
bumblebeeall0604evasionloader

Malware Config

Extracted

Family

bumblebee

Botnet

ALL0604

C2

192.236.198.63:443

Targets

    • Target

      4a49e2f06ba48d3a88fdeb83fb8021f3d165535e8ea5319b16a7ebe4da9c0751

    • Size

      2.7MB

    • MD5

      c9e37a67f7e3dd3826c23ee04a62ec7b

    • SHA1

      aa157fabb858a9e7ae0d138246545f776934cba7

    • SHA256

      4a49e2f06ba48d3a88fdeb83fb8021f3d165535e8ea5319b16a7ebe4da9c0751

    • SHA512

      5a5912c002f7d06a39bd0f9eba82da32cd7e621e814f1060095d5d56d2a0092ee398499a6a75cb28da773f63b1320f66089ed881a59fb36e8b589deb384e92ea

    • SSDEEP

      49152:+jThLI9aW/+9xRAfRJiN9KtmkP8vfuGia3F2JgN8kupvjgi3M8pp/:+XdO+9x4JiN9umkP8vfuGia3F2JgN8kG

    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