Overview

overview

10

Static

static

3

Requested_...f .exe

windows7-x64

10

Requested_...f .exe

windows10-2004-x64

10

Analysis

  • max time kernel
    143s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230831-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/09/2023, 19:58

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General

  • Target

    Requested_Documents_SEPTEMBER2023.pdf .exe

  • Size

    795KB

  • MD5

    270103c51888a8e98972283c825d84cd

  • SHA1

    5e9c1b83a21441db0ef598e699b9092e8b107146

  • SHA256

    06215d5a571e4cc6a89bd977f4a7a76a03e4aa99bfe73c2cccf65ff3df747957

  • SHA512

    d52788af682f08d120ff1021079e9c1f10b5f58d1ca592ddc8728ca7edf35f979a2bddfa84b93ea40fe18a19136b298abfcc667c4b4589542b161dc7492faf1f

  • SSDEEP

    24576:/YVIvZA34PT8/5GehnI8Lp2y5GppjOFmFC7jRUqMFeA8E2:lhPTO1Jd2jjzFC7jR+d

Score
10/10
bumblebeerar0409evasiontrojan

Malware Config

Extracted

Family

bumblebee

Botnet

rar0409

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
  • Looks for VMWare Tools registry key 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
  • Checks system information in the registry 2 TTPs 2 IoCs

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

  • Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

    Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Requested_Documents_SEPTEMBER2023.pdf .exe
    "C:\Users\Admin\AppData\Local\Temp\Requested_Documents_SEPTEMBER2023.pdf .exe"
    1⤵
    • Enumerates VirtualBox registry keys
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Checks system information in the registry
    • Checks for VirtualBox DLLs, possible anti-VM trick
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    PID:4720

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • memory/4720-0-0x00000200EC350000-0x00000200EC3CA000-memory.dmp

          Filesize

          488KB

          Download

        • memory/4720-1-0x00000200EC4D0000-0x00000200EC5D7000-memory.dmp

          Filesize

          1.0MB

          Download

        • memory/4720-2-0x00000200EC4D0000-0x00000200EC5D7000-memory.dmp

          Filesize

          1.0MB

          Download

        • memory/4720-3-0x00000200EC4D0000-0x00000200EC5D7000-memory.dmp

          Filesize

          1.0MB

          Download