Analysis

  • max time kernel
    144s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/03/2025, 20:40

General

  • Target

    cubrodriver.exe

  • Size

    1.7MB

  • MD5

    190272ebd2e82a80b242b1bdd442b859

  • SHA1

    fceb12a205c28c30b2049c55924a9872a1a3eb71

  • SHA256

    c13d59dc2e8ee1cbdb8016de0fb3b374f827406fa5d2d1aa4a2820170816d131

  • SHA512

    f3b30d8ea2dd2c451a042b4ed7a9e98d2bcfbb86a88bec2d672a3e1ae6ab3932daf8987eef872e6adb11144f92b9954ac6f6ce67e24a2bc391d7b34ebef876ae

  • SSDEEP

    49152:Kq8Z+aOhmX72hf7OqockKkGYR7SGmUNmzKZg:yAaEhhyJcjkdNmeZg

Malware Config

Extracted

Family

systembc

C2

towerbingobongoboom.com

62.60.226.86

Signatures

  • SystemBC

    SystemBC is a proxy and remote administration tool first seen in 2019.

  • Systembc family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Identifies Wine through registry keys 2 TTPs 2 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cubrodriver.exe
    "C:\Users\Admin\AppData\Local\Temp\cubrodriver.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:1840
  • C:\ProgramData\stibv\abeino.exe
    C:\ProgramData\stibv\abeino.exe
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Executes dropped EXE
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:2288

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\stibv\abeino.exe

    Filesize

    1.7MB

    MD5

    190272ebd2e82a80b242b1bdd442b859

    SHA1

    fceb12a205c28c30b2049c55924a9872a1a3eb71

    SHA256

    c13d59dc2e8ee1cbdb8016de0fb3b374f827406fa5d2d1aa4a2820170816d131

    SHA512

    f3b30d8ea2dd2c451a042b4ed7a9e98d2bcfbb86a88bec2d672a3e1ae6ab3932daf8987eef872e6adb11144f92b9954ac6f6ce67e24a2bc391d7b34ebef876ae

  • C:\Windows\Tasks\Test Task17.job

    Filesize

    236B

    MD5

    e57a5814a546cb57cf9b52b6b509b7a0

    SHA1

    22fc9beb57fa3e0197da2cdbd3801a2d727c045a

    SHA256

    7af07e5448d3a288d9d360db9773c1bb2e14285bab991dec794750431a4687a6

    SHA512

    e755aaa1f9c1646d148692bca111f3b0fcbb9aa140d2a11794ce48a30ffe5f3cb421ffaac822e38c47a19eef5308a1fae2c1c336a1ddefb128f7f7b1619b92ab

  • memory/1840-9-0x0000000000400000-0x0000000000840000-memory.dmp

    Filesize

    4.2MB

  • memory/1840-3-0x0000000000400000-0x0000000000840000-memory.dmp

    Filesize

    4.2MB

  • memory/1840-6-0x0000000000400000-0x0000000000840000-memory.dmp

    Filesize

    4.2MB

  • memory/1840-7-0x0000000000400000-0x0000000000840000-memory.dmp

    Filesize

    4.2MB

  • memory/1840-0-0x0000000000400000-0x0000000000840000-memory.dmp

    Filesize

    4.2MB

  • memory/1840-10-0x0000000000400000-0x0000000000840000-memory.dmp

    Filesize

    4.2MB

  • memory/1840-2-0x0000000000401000-0x0000000000403000-memory.dmp

    Filesize

    8KB

  • memory/1840-25-0x0000000000400000-0x0000000000840000-memory.dmp

    Filesize

    4.2MB

  • memory/1840-23-0x0000000000400000-0x0000000000840000-memory.dmp

    Filesize

    4.2MB

  • memory/1840-21-0x0000000000400000-0x0000000000840000-memory.dmp

    Filesize

    4.2MB

  • memory/1840-1-0x00000000773A4000-0x00000000773A6000-memory.dmp

    Filesize

    8KB

  • memory/1840-17-0x0000000000400000-0x0000000000840000-memory.dmp

    Filesize

    4.2MB

  • memory/2288-18-0x0000000000400000-0x0000000000840000-memory.dmp

    Filesize

    4.2MB

  • memory/2288-26-0x0000000000400000-0x0000000000840000-memory.dmp

    Filesize

    4.2MB

  • memory/2288-20-0x0000000000400000-0x0000000000840000-memory.dmp

    Filesize

    4.2MB

  • memory/2288-15-0x0000000000400000-0x0000000000840000-memory.dmp

    Filesize

    4.2MB

  • memory/2288-22-0x0000000000400000-0x0000000000840000-memory.dmp

    Filesize

    4.2MB

  • memory/2288-14-0x0000000000400000-0x0000000000840000-memory.dmp

    Filesize

    4.2MB

  • memory/2288-13-0x0000000000400000-0x0000000000840000-memory.dmp

    Filesize

    4.2MB

  • memory/2288-19-0x0000000000400000-0x0000000000840000-memory.dmp

    Filesize

    4.2MB

  • memory/2288-27-0x0000000000400000-0x0000000000840000-memory.dmp

    Filesize

    4.2MB

  • memory/2288-28-0x0000000000400000-0x0000000000840000-memory.dmp

    Filesize

    4.2MB

  • memory/2288-29-0x0000000000400000-0x0000000000840000-memory.dmp

    Filesize

    4.2MB

  • memory/2288-30-0x0000000000400000-0x0000000000840000-memory.dmp

    Filesize

    4.2MB

  • memory/2288-31-0x0000000000400000-0x0000000000840000-memory.dmp

    Filesize

    4.2MB

  • memory/2288-32-0x0000000000400000-0x0000000000840000-memory.dmp

    Filesize

    4.2MB

  • memory/2288-33-0x0000000000400000-0x0000000000840000-memory.dmp

    Filesize

    4.2MB

  • memory/2288-34-0x0000000000400000-0x0000000000840000-memory.dmp

    Filesize

    4.2MB