Overview

overview

10

Static

static

be2092d9df...f6.dll

windows7_x64

10

be2092d9df...f6.dll

windows10-2004_x64

10

Analysis

  • max time kernel
    42s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    22/06/2022, 19:38

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General

  • Target

    be2092d9df8d3dbd6e1f0ca9a9abaf89bd8b8427dd94d7856ae5097679febcf6.dll

  • Size

    1.7MB

  • MD5

    fdc7aae738ee93bfbcc3aabebe393084

  • SHA1

    16c3bb5c965f806d2d913e09a5ddc137746c9f3a

  • SHA256

    be2092d9df8d3dbd6e1f0ca9a9abaf89bd8b8427dd94d7856ae5097679febcf6

  • SHA512

    7ceeac8fe9841397ec7dc6a6550fb9688a547fcd568299dac9807fb64c4b73bedeebad2acf35acf9a98db025f309e5b3dfe85703712642a035f22d16e15a4bfe

Score
10/10
bumblebee226aevasiontrojan

Malware Config

Extracted

Family

bumblebee

Botnet

226a

C2

168.70.217.241:205

3.61.192.86:251

185.62.56.129:443

55.206.169.156:176

197.117.149.198:168

198.66.48.194:244

5.148.218.160:315

6.47.235.79:269

69.236.32.92:449

24.116.129.240:349

236.131.245.48:208

73.170.3.133:207

95.65.102.90:160

23.29.115.172:443

194.34.252.46:467

165.101.56.239:119

14.95.135.133:198

64.52.62.212:312

24.54.105.24:184

162.1.40.227:113
rc4.plain

Signatures

  • BumbleBee

    BumbleBee is a webshell malware written in C++.

    trojanbumblebee
  • Enumerates VirtualBox registry keys 2 TTPs 5 IoCs
    evasion
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs
    evasion
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
    evasion
  • Checks BIOS information in registry 2 TTPs 3 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    evasion
  • Suspicious behavior: EnumeratesProcesses 41 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\be2092d9df8d3dbd6e1f0ca9a9abaf89bd8b8427dd94d7856ae5097679febcf6.dll
    1⤵
    • Enumerates VirtualBox registry keys
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Looks for VirtualBox Guest Additions in registry
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious behavior: EnumeratesProcesses
    PID:1380

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1380-54-0x000007FEFC5C1000-0x000007FEFC5C3000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1380-55-0x0000000002500000-0x0000000002616000-memory.dmp

    Filesize

    1.1MB

    Download

  • memory/1380-57-0x0000000002500000-0x0000000002616000-memory.dmp

    Filesize

    1.1MB

    Download