Overview

overview

10

Static

static

Invoice_61...DF.iso

windows10-2004-x64

10

Resubmissions

04-10-2022 21:13

221004-z2w1sschal 10

Analysis

  • max time kernel
    303s
  • max time network
    318s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-10-2022 21:13

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General

  • Target

    Invoice_6177_october_PDF.iso

  • Size

    3.1MB

  • MD5

    8d74533876dfa9dba4dd9a5c49fe1c97

  • SHA1

    a644ed59f66b3b3af47497a47fe9ab26831b2a99

  • SHA256

    0c2ba8cd204753743de636ed9714b1ff24a7cc090b117b02388cb79210085edb

  • SHA512

    41fd93881dd93527b5d9e87c67db701a44f8d5c61e1b3b46f29e6b845a6709621c1d592d61b42aa3528274bc3ec34c8ac8a4b07db67c4d9861995e0a6fdb659f

  • SSDEEP

    49152:xxkyekKLHC3cjPUV3vkFwJkDZ8nf/yAcJ0beJRMr1TXUhCstOtCp2FmUZr45kq69:KtFQkDAf/rcJ0be3s

Score
10/10
bumblebee0310evasiontrojan

Malware Config

Extracted

Family

bumblebee

Botnet

0310

C2

192.119.74.28:443

54.38.138.5:443

45.141.58.37:443

146.70.147.39:443

146.70.149.48:443

103.144.139.158:443
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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • Enumerates connected drives 3 TTPs 3 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\Invoice_6177_october_PDF.iso
    1⤵
    • Modifies registry class
    PID:4936
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:3332
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "E:\refresheners\prattleSafaris.vbs"
      1⤵
      • Checks computer location settings
      • Enumerates connected drives
      • Suspicious use of WriteProcessMemory
      PID:4108
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c ""E:\refresheners\galvanicLiable.cmd" rundl"
        2⤵
        • Enumerates connected drives
        • Suspicious use of WriteProcessMemory
        PID:2572
        • C:\Windows\system32\rundll32.exe
          rundll32 refresheners\smote.dat,runprog
          3⤵
          • 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 use of NtCreateThreadExHideFromDebugger
          • Suspicious behavior: EnumeratesProcesses
          PID:3336
    • C:\Windows\System32\Notepad.exe
      "C:\Windows\System32\Notepad.exe" E:\refresheners\prattleSafaris.vbs
      1⤵
      • Enumerates connected drives
      PID:4224

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/3336-134-0x00000291C5590000-0x00000291C56E3000-memory.dmp

      Filesize

      1.3MB

      Download