Overview

overview

10

Static

static

3

a54302b0bf...d4.dll

windows7-x64

10

a54302b0bf...d4.dll

windows10-2004-x64

10

Sharing

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General

  • Target

    a54302b0bf056c65deb759122f71e757b11155d82e648f9e206dab91aab44bd4

  • Size

    2.6MB

  • Sample

    240226-1vkvmahb47

  • MD5

    39fb644929c57fb75aace407f429cb12

  • SHA1

    f449e79493fcf15dc870466e2ea639d2cbcd8e14

  • SHA256

    a54302b0bf056c65deb759122f71e757b11155d82e648f9e206dab91aab44bd4

  • SHA512

    b32fbd9bc5a58a449199d11decbd1006571ccc849dfcc839477bc457f522fe9f2ca11f3d55ef31978ac0c5e0f811b6e339ecef4c64724b7cf4aedf8d524daade

  • SSDEEP

    49152:K61vkm5V04xOerjOXpe6ZZ1S71F1Q6pn2OL4wC548J3Y5kU:K6Nkm5V04xOerjOXpe2Z1S71UgLq5JJ

Score
10/10
bumblebee25htmlevasionloader

Malware Config

Extracted

Family

bumblebee

Botnet

25html

C2

23.83.134.136:443

138.201.190.52:443
rc4.plain

Targets

    • Target

      a54302b0bf056c65deb759122f71e757b11155d82e648f9e206dab91aab44bd4

    • Size

      2.6MB

    • MD5

      39fb644929c57fb75aace407f429cb12

    • SHA1

      f449e79493fcf15dc870466e2ea639d2cbcd8e14

    • SHA256

      a54302b0bf056c65deb759122f71e757b11155d82e648f9e206dab91aab44bd4

    • SHA512

      b32fbd9bc5a58a449199d11decbd1006571ccc849dfcc839477bc457f522fe9f2ca11f3d55ef31978ac0c5e0f811b6e339ecef4c64724b7cf4aedf8d524daade

    • SSDEEP

      49152:K61vkm5V04xOerjOXpe6ZZ1S71F1Q6pn2OL4wC548J3Y5kU:K6Nkm5V04xOerjOXpe2Z1S71UgLq5JJ

    Score
    10/10
    bumblebee25htmlevasionloader

    • BumbleBee

      BumbleBee is a loader malware written in C++.

      loaderbumblebee

    • Detects executables referencing many IR and analysis tools

    • 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