Resubmissions

27-11-2024 13:29

241127-qrb37svpcv 10

27-11-2024 09:27

241127-le54astrfj 10

Analysis

  • max time kernel
    837s
  • max time network
    843s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2024 09:27

General

  • Target

    7d6892645bc5ba581b2fff986b3e9371dd7298bab6aac890c99f80c8b1d78f0f.exe

  • Size

    247KB

  • MD5

    312e0a90fe8474691950d41e57bfb003

  • SHA1

    f8185c7943c6e93b75c0cec34daf2eccd7db848b

  • SHA256

    7d6892645bc5ba581b2fff986b3e9371dd7298bab6aac890c99f80c8b1d78f0f

  • SHA512

    511b9029002da76cceaa9fc2a47aebfe6a365f3588614094ec8bddaaad80305fe79ba45d9a1cb23ca0c1d1572eb5106073fac033b644df5e867a13db69e39678

  • SSDEEP

    3072:FYl5q4euWjwNpbF3onQ7twT12Hd+d9nVap5Ty6dz6m:yTqgWcbF/7twTWm64

Malware Config

Extracted

Family

blacknet

Botnet

HacKed

C2

https://xblackeyex.000webhostapp.com/blacknet/

Mutex

BN[SNqrYexG-0655563]

Attributes
  • antivm

    false

  • elevate_uac

    false

  • install_name

    svchost.exe

  • splitter

    |BN|

  • start_name

    17d5d9a29524a220af2c5580f0145c42

  • startup

    false

  • usb_spread

    false

Signatures

  • BlackNET

    BlackNET is an open source remote access tool written in VB.NET.

  • BlackNET payload 1 IoCs
  • Blacknet family
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7d6892645bc5ba581b2fff986b3e9371dd7298bab6aac890c99f80c8b1d78f0f.exe
    "C:\Users\Admin\AppData\Local\Temp\7d6892645bc5ba581b2fff986b3e9371dd7298bab6aac890c99f80c8b1d78f0f.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2096
    • C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\svchost.exe

    Filesize

    247KB

    MD5

    312e0a90fe8474691950d41e57bfb003

    SHA1

    f8185c7943c6e93b75c0cec34daf2eccd7db848b

    SHA256

    7d6892645bc5ba581b2fff986b3e9371dd7298bab6aac890c99f80c8b1d78f0f

    SHA512

    511b9029002da76cceaa9fc2a47aebfe6a365f3588614094ec8bddaaad80305fe79ba45d9a1cb23ca0c1d1572eb5106073fac033b644df5e867a13db69e39678

  • memory/2096-0-0x000007FEF674E000-0x000007FEF674F000-memory.dmp

    Filesize

    4KB

  • memory/2096-1-0x000007FEF6490000-0x000007FEF6E2D000-memory.dmp

    Filesize

    9.6MB

  • memory/2096-2-0x000007FEF6490000-0x000007FEF6E2D000-memory.dmp

    Filesize

    9.6MB

  • memory/2096-3-0x000007FEF6490000-0x000007FEF6E2D000-memory.dmp

    Filesize

    9.6MB

  • memory/2096-4-0x000007FEF6490000-0x000007FEF6E2D000-memory.dmp

    Filesize

    9.6MB

  • memory/2096-12-0x000007FEF6490000-0x000007FEF6E2D000-memory.dmp

    Filesize

    9.6MB

  • memory/2812-11-0x000007FEF6490000-0x000007FEF6E2D000-memory.dmp

    Filesize

    9.6MB

  • memory/2812-13-0x000007FEF6490000-0x000007FEF6E2D000-memory.dmp

    Filesize

    9.6MB

  • memory/2812-14-0x000007FEF6490000-0x000007FEF6E2D000-memory.dmp

    Filesize

    9.6MB

  • memory/2812-15-0x000007FEF6490000-0x000007FEF6E2D000-memory.dmp

    Filesize

    9.6MB