Analysis

  • max time kernel
    139s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/03/2025, 07:45

General

  • Target

    abaf649e6440033ea250691e6bff02c8924a5f9b827168f576606835d7a820a0.dll

  • Size

    2.1MB

  • MD5

    5758813f20b1b3f041b20f700e61ca2c

  • SHA1

    5cf76172c4b3c33f2f64536ebdf7d6a5935350d0

  • SHA256

    abaf649e6440033ea250691e6bff02c8924a5f9b827168f576606835d7a820a0

  • SHA512

    69b1955969eb7f7712698360ce85baad22fa90c3ca3b58fdaeb1637f7119639aecb9eb215e35c55aa0a2c375601a54633fc3b26badcc24b350251307130870d9

  • SSDEEP

    49152:tbhl087l5fJeS/DrSoUtP9qqyD8e3+DSP9yJoZS:tLTfJtylPyD8e5MJoZS

Malware Config

Extracted

Family

bumblebee

Botnet

RA1104

C2

142.91.3.109:443

23.83.133.216:443

Signatures

  • BumbleBee

    BumbleBee is a loader malware written in C++.

  • Bumblebee family
  • Enumerates VirtualBox registry keys 2 TTPs 5 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Blocklisted process makes network request 5 IoCs
  • 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.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\abaf649e6440033ea250691e6bff02c8924a5f9b827168f576606835d7a820a0.dll,#1
    1⤵
    • Enumerates VirtualBox registry keys
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Looks for VirtualBox Guest Additions in registry
    • Blocklisted process makes network request
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Checks for VirtualBox DLLs, possible anti-VM trick
    • Suspicious behavior: EnumeratesProcesses
    PID:4620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4620-0-0x00007FFE77FCD000-0x00007FFE77FCE000-memory.dmp

    Filesize

    4KB

  • memory/4620-1-0x00000278E6A80000-0x00000278E6CCB000-memory.dmp

    Filesize

    2.3MB

  • memory/4620-2-0x00000278E6A80000-0x00000278E6CCB000-memory.dmp

    Filesize

    2.3MB

  • memory/4620-4-0x00007FFE77F30000-0x00007FFE78125000-memory.dmp

    Filesize

    2.0MB

  • memory/4620-5-0x00007FFE77F30000-0x00007FFE78125000-memory.dmp

    Filesize

    2.0MB

  • memory/4620-7-0x00007FFE77F30000-0x00007FFE78125000-memory.dmp

    Filesize

    2.0MB

  • memory/4620-8-0x00007FFE77F30000-0x00007FFE78125000-memory.dmp

    Filesize

    2.0MB

  • memory/4620-6-0x00007FFE77F30000-0x00007FFE78125000-memory.dmp

    Filesize

    2.0MB

  • memory/4620-3-0x00007FFE77F30000-0x00007FFE78125000-memory.dmp

    Filesize

    2.0MB

  • memory/4620-9-0x00000278E6A80000-0x00000278E6CCB000-memory.dmp

    Filesize

    2.3MB

  • memory/4620-10-0x00007FFE77FCD000-0x00007FFE77FCE000-memory.dmp

    Filesize

    4KB

  • memory/4620-11-0x00007FFE77F30000-0x00007FFE78125000-memory.dmp

    Filesize

    2.0MB

  • memory/4620-12-0x00000278E6A80000-0x00000278E6CCB000-memory.dmp

    Filesize

    2.3MB

  • memory/4620-13-0x00000278E6A80000-0x00000278E6CCB000-memory.dmp

    Filesize

    2.3MB

  • memory/4620-14-0x00000278E6A80000-0x00000278E6CCB000-memory.dmp

    Filesize

    2.3MB

  • memory/4620-15-0x00000278E6A80000-0x00000278E6CCB000-memory.dmp

    Filesize

    2.3MB

  • memory/4620-16-0x00000278E6A80000-0x00000278E6CCB000-memory.dmp

    Filesize

    2.3MB

  • memory/4620-17-0x00000278E6A80000-0x00000278E6CCB000-memory.dmp

    Filesize

    2.3MB

  • memory/4620-18-0x00000278E6A80000-0x00000278E6CCB000-memory.dmp

    Filesize

    2.3MB

  • memory/4620-19-0x00000278E6A80000-0x00000278E6CCB000-memory.dmp

    Filesize

    2.3MB