Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-08-2023 17:06

General

  • Target

    c105e8c3286a2589c4bbdaefbd266cd45be414d08854e48b4aa43104cc48c510_JC.exe

  • Size

    79KB

  • MD5

    122fadb5b266bfe5525a7b450e4c778f

  • SHA1

    6141866987d31e85a522ea3881110789e4d38893

  • SHA256

    c105e8c3286a2589c4bbdaefbd266cd45be414d08854e48b4aa43104cc48c510

  • SHA512

    4f19e9cdaa581cae9d7e9bd4e534339beba55f4cc550a0dfd5b79a6476b89e6a1c90a6ea67bf0d06f9b7663cccee657b07cbc95c05415ca0eeeaa9f5e62f9b0e

  • SSDEEP

    1536:AZuhD5z28TC2CYl9706u/GiPL1TgbSUPH4LgjCtYn:51306u/G0tgbSKHagj+Yn

Malware Config

Extracted

Family

blacknet

Botnet

asfdgs

C2

http://google.com/pane

Mutex

dfgBN[iCvlRabZ-7434932]

Attributes
  • antivm

    false

  • elevate_uac

    false

  • install_name

    WindowsUpdate.exe

  • splitter

    |BN|

  • start_name

    35dcbc7eb742dd4f1edfbccf7826c724

  • startup

    false

  • usb_spread

    true

Signatures

  • BlackNET

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

  • BlackNET payload 1 IoCs
  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c105e8c3286a2589c4bbdaefbd266cd45be414d08854e48b4aa43104cc48c510_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\c105e8c3286a2589c4bbdaefbd266cd45be414d08854e48b4aa43104cc48c510_JC.exe"
    1⤵
    • Modifies Windows Defender Real-time Protection settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3860
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Get-MpPreference -verbose
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4584
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /sc ONSTART /RL HIGHEST /tn "'c105e8c3286a2589c4bbdaefbd266cd45be414d08854e48b4aa43104cc48c510_JC"' /tr "'C:\Users\Admin\AppData\Local\Temp\c105e8c3286a2589c4bbdaefbd266cd45be414d08854e48b4aa43104cc48c510_JC.exe"'
      2⤵
      • Creates scheduled task(s)
      PID:1856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_d32qdb42.1lo.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/3860-32-0x0000000020D90000-0x0000000020E90000-memory.dmp

    Filesize

    1024KB

  • memory/3860-75-0x0000000020D90000-0x0000000020E90000-memory.dmp

    Filesize

    1024KB

  • memory/3860-3-0x00007FFDC0CB0000-0x00007FFDC1651000-memory.dmp

    Filesize

    9.6MB

  • memory/3860-4-0x00000000012E0000-0x00000000012F0000-memory.dmp

    Filesize

    64KB

  • memory/3860-5-0x000000001BDE0000-0x000000001C2AE000-memory.dmp

    Filesize

    4.8MB

  • memory/3860-6-0x000000001C350000-0x000000001C3EC000-memory.dmp

    Filesize

    624KB

  • memory/3860-7-0x00000000011D0000-0x00000000011D8000-memory.dmp

    Filesize

    32KB

  • memory/3860-8-0x000000001C4E0000-0x000000001C52C000-memory.dmp

    Filesize

    304KB

  • memory/3860-9-0x00000000012E0000-0x00000000012F0000-memory.dmp

    Filesize

    64KB

  • memory/3860-10-0x000000001F640000-0x000000001F6A2000-memory.dmp

    Filesize

    392KB

  • memory/3860-79-0x00000000012E0000-0x00000000012F0000-memory.dmp

    Filesize

    64KB

  • memory/3860-13-0x00000000012E0000-0x00000000012F0000-memory.dmp

    Filesize

    64KB

  • memory/3860-12-0x00000000012E0000-0x00000000012F0000-memory.dmp

    Filesize

    64KB

  • memory/3860-14-0x00000000012E0000-0x00000000012F0000-memory.dmp

    Filesize

    64KB

  • memory/3860-15-0x0000000020D90000-0x0000000020E90000-memory.dmp

    Filesize

    1024KB

  • memory/3860-16-0x0000000020D90000-0x0000000020E90000-memory.dmp

    Filesize

    1024KB

  • memory/3860-19-0x0000000020D90000-0x0000000020E90000-memory.dmp

    Filesize

    1024KB

  • memory/3860-18-0x0000000020D90000-0x0000000020E90000-memory.dmp

    Filesize

    1024KB

  • memory/3860-20-0x0000000020D90000-0x0000000020E90000-memory.dmp

    Filesize

    1024KB

  • memory/3860-21-0x0000000020D90000-0x0000000020E90000-memory.dmp

    Filesize

    1024KB

  • memory/3860-22-0x0000000020D90000-0x0000000020E90000-memory.dmp

    Filesize

    1024KB

  • memory/3860-23-0x0000000020D90000-0x0000000020E90000-memory.dmp

    Filesize

    1024KB

  • memory/3860-24-0x0000000020D90000-0x0000000020E90000-memory.dmp

    Filesize

    1024KB

  • memory/3860-25-0x0000000020D90000-0x0000000020E90000-memory.dmp

    Filesize

    1024KB

  • memory/3860-26-0x0000000020D90000-0x0000000020E90000-memory.dmp

    Filesize

    1024KB

  • memory/3860-78-0x0000000020D90000-0x0000000020E90000-memory.dmp

    Filesize

    1024KB

  • memory/3860-17-0x0000000020D90000-0x0000000020E90000-memory.dmp

    Filesize

    1024KB

  • memory/3860-31-0x00007FFDC0CB0000-0x00007FFDC1651000-memory.dmp

    Filesize

    9.6MB

  • memory/3860-29-0x00007FFDC0CB0000-0x00007FFDC1651000-memory.dmp

    Filesize

    9.6MB

  • memory/3860-30-0x0000000020D90000-0x0000000020E90000-memory.dmp

    Filesize

    1024KB

  • memory/3860-77-0x0000000020D90000-0x0000000020E90000-memory.dmp

    Filesize

    1024KB

  • memory/3860-1-0x000000001B860000-0x000000001B906000-memory.dmp

    Filesize

    664KB

  • memory/3860-11-0x00000000012E0000-0x00000000012F0000-memory.dmp

    Filesize

    64KB

  • memory/3860-2-0x00007FFDC0CB0000-0x00007FFDC1651000-memory.dmp

    Filesize

    9.6MB

  • memory/3860-76-0x0000000020D90000-0x0000000020E90000-memory.dmp

    Filesize

    1024KB

  • memory/3860-45-0x0000000020D90000-0x0000000020E90000-memory.dmp

    Filesize

    1024KB

  • memory/3860-44-0x0000000020D90000-0x0000000020E90000-memory.dmp

    Filesize

    1024KB

  • memory/3860-46-0x0000000020D90000-0x0000000020E90000-memory.dmp

    Filesize

    1024KB

  • memory/3860-0-0x00000000008A0000-0x00000000008BA000-memory.dmp

    Filesize

    104KB

  • memory/3860-48-0x000000001CF30000-0x000000001D130000-memory.dmp

    Filesize

    2.0MB

  • memory/3860-49-0x00000000012E0000-0x00000000012F0000-memory.dmp

    Filesize

    64KB

  • memory/3860-50-0x000000001CF30000-0x000000001D130000-memory.dmp

    Filesize

    2.0MB

  • memory/3860-51-0x000000001CF30000-0x000000001D130000-memory.dmp

    Filesize

    2.0MB

  • memory/3860-52-0x00000000012E0000-0x00000000012F0000-memory.dmp

    Filesize

    64KB

  • memory/3860-55-0x000000001CF30000-0x000000001D130000-memory.dmp

    Filesize

    2.0MB

  • memory/3860-59-0x00000000012E0000-0x00000000012F0000-memory.dmp

    Filesize

    64KB

  • memory/3860-74-0x0000000020D90000-0x0000000020E90000-memory.dmp

    Filesize

    1024KB

  • memory/3860-63-0x00000000012E0000-0x00000000012F0000-memory.dmp

    Filesize

    64KB

  • memory/3860-64-0x00000000012E0000-0x00000000012F0000-memory.dmp

    Filesize

    64KB

  • memory/3860-65-0x00000000012E0000-0x00000000012F0000-memory.dmp

    Filesize

    64KB

  • memory/3860-66-0x00000000012E0000-0x00000000012F0000-memory.dmp

    Filesize

    64KB

  • memory/3860-67-0x0000000020D90000-0x0000000020E90000-memory.dmp

    Filesize

    1024KB

  • memory/3860-68-0x0000000020D90000-0x0000000020E90000-memory.dmp

    Filesize

    1024KB

  • memory/3860-69-0x0000000020D90000-0x0000000020E90000-memory.dmp

    Filesize

    1024KB

  • memory/3860-70-0x0000000020D90000-0x0000000020E90000-memory.dmp

    Filesize

    1024KB

  • memory/3860-71-0x0000000020D90000-0x0000000020E90000-memory.dmp

    Filesize

    1024KB

  • memory/3860-72-0x0000000020D90000-0x0000000020E90000-memory.dmp

    Filesize

    1024KB

  • memory/3860-73-0x0000000020D90000-0x0000000020E90000-memory.dmp

    Filesize

    1024KB

  • memory/4584-62-0x00007FFDBDFD0000-0x00007FFDBEA91000-memory.dmp

    Filesize

    10.8MB

  • memory/4584-47-0x0000022AB0BB0000-0x0000022AB0BC0000-memory.dmp

    Filesize

    64KB

  • memory/4584-43-0x00007FFDBDFD0000-0x00007FFDBEA91000-memory.dmp

    Filesize

    10.8MB

  • memory/4584-28-0x0000022AB0BB0000-0x0000022AB0BC0000-memory.dmp

    Filesize

    64KB

  • memory/4584-27-0x0000022AB0BB0000-0x0000022AB0BC0000-memory.dmp

    Filesize

    64KB

  • memory/4584-33-0x0000022A98700000-0x0000022A98722000-memory.dmp

    Filesize

    136KB