Overview

overview

10

Static

static

3

c97b8bffcb...ac.dll

windows7-x64

10

c97b8bffcb...ac.dll

windows10-2004-x64

10

Sharing

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General

  • Target

    c97b8bffcbe424cbc2a6e1135068d071c6f4e8f020fccd2db3dbee3aa80102ac

  • Size

    2.7MB

  • Sample

    240410-rf5rtaae44

  • MD5

    59baede0aac3a38c8578aa8fef89d960

  • SHA1

    19fa63af83dfed8023f10147c33c8edb6aabb1b4

  • SHA256

    c97b8bffcbe424cbc2a6e1135068d071c6f4e8f020fccd2db3dbee3aa80102ac

  • SHA512

    f87e5285a22df54906ee18ba71334beba5dd36cf8cfb3ac8f0f44e8bfe8441ba95e3c6787dc9cb9c274f01aec724500d5d2a3ff3c466f8efdf08bac8b35400ed

  • SSDEEP

    49152:7CkeRD2DBKMpRd8qsToHaQBVeytTEmu6+lzz7JP1KV3jgjO4gYAPLokp6vVkTMU:7CkdB/pRdksaQBVNtTEmu6+lzz7JP1KT

Score
10/10
bumblebeeall0604evasionloader

Malware Config

Extracted

Family

bumblebee

Botnet

ALL0604

C2

192.236.198.63:443

Targets

    • Target

      c97b8bffcbe424cbc2a6e1135068d071c6f4e8f020fccd2db3dbee3aa80102ac

    • Size

      2.7MB

    • MD5

      59baede0aac3a38c8578aa8fef89d960

    • SHA1

      19fa63af83dfed8023f10147c33c8edb6aabb1b4

    • SHA256

      c97b8bffcbe424cbc2a6e1135068d071c6f4e8f020fccd2db3dbee3aa80102ac

    • SHA512

      f87e5285a22df54906ee18ba71334beba5dd36cf8cfb3ac8f0f44e8bfe8441ba95e3c6787dc9cb9c274f01aec724500d5d2a3ff3c466f8efdf08bac8b35400ed

    • SSDEEP

      49152:7CkeRD2DBKMpRd8qsToHaQBVeytTEmu6+lzz7JP1KV3jgjO4gYAPLokp6vVkTMU:7CkdB/pRdksaQBVNtTEmu6+lzz7JP1KT

    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