Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-08-2023 16:06

General

  • Target

    122fadb5b266bfe5525a7b450e4c778f.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\122fadb5b266bfe5525a7b450e4c778f.exe
    "C:\Users\Admin\AppData\Local\Temp\122fadb5b266bfe5525a7b450e4c778f.exe"
    1⤵
    • Modifies Windows Defender Real-time Protection settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1292
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Get-MpPreference -verbose
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2208
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /sc ONSTART /RL HIGHEST /tn "'122fadb5b266bfe5525a7b450e4c778f"' /tr "'C:\Users\Admin\AppData\Local\Temp\122fadb5b266bfe5525a7b450e4c778f.exe"'
      2⤵
      • Creates scheduled task(s)
      PID:1656

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jbxeg5ac.20z.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1292-166-0x00007FF985950000-0x00007FF9862F1000-memory.dmp

    Filesize

    9.6MB

  • memory/1292-192-0x0000000020830000-0x0000000020930000-memory.dmp

    Filesize

    1024KB

  • memory/1292-135-0x00007FF985950000-0x00007FF9862F1000-memory.dmp

    Filesize

    9.6MB

  • memory/1292-136-0x00007FF985950000-0x00007FF9862F1000-memory.dmp

    Filesize

    9.6MB

  • memory/1292-137-0x0000000001160000-0x0000000001170000-memory.dmp

    Filesize

    64KB

  • memory/1292-138-0x000000001BE10000-0x000000001C2DE000-memory.dmp

    Filesize

    4.8MB

  • memory/1292-139-0x000000001C3D0000-0x000000001C46C000-memory.dmp

    Filesize

    624KB

  • memory/1292-140-0x0000000001390000-0x0000000001398000-memory.dmp

    Filesize

    32KB

  • memory/1292-141-0x000000001C530000-0x000000001C57C000-memory.dmp

    Filesize

    304KB

  • memory/1292-142-0x0000000001160000-0x0000000001170000-memory.dmp

    Filesize

    64KB

  • memory/1292-178-0x0000000020830000-0x0000000020930000-memory.dmp

    Filesize

    1024KB

  • memory/1292-145-0x0000000001160000-0x0000000001170000-memory.dmp

    Filesize

    64KB

  • memory/1292-146-0x0000000001160000-0x0000000001170000-memory.dmp

    Filesize

    64KB

  • memory/1292-144-0x0000000001160000-0x0000000001170000-memory.dmp

    Filesize

    64KB

  • memory/1292-147-0x0000000001160000-0x0000000001170000-memory.dmp

    Filesize

    64KB

  • memory/1292-148-0x0000000020830000-0x0000000020930000-memory.dmp

    Filesize

    1024KB

  • memory/1292-149-0x0000000020830000-0x0000000020930000-memory.dmp

    Filesize

    1024KB

  • memory/1292-150-0x0000000020830000-0x0000000020930000-memory.dmp

    Filesize

    1024KB

  • memory/1292-151-0x0000000020830000-0x0000000020930000-memory.dmp

    Filesize

    1024KB

  • memory/1292-152-0x0000000020830000-0x0000000020930000-memory.dmp

    Filesize

    1024KB

  • memory/1292-153-0x0000000020830000-0x0000000020930000-memory.dmp

    Filesize

    1024KB

  • memory/1292-154-0x0000000020830000-0x0000000020930000-memory.dmp

    Filesize

    1024KB

  • memory/1292-156-0x0000000020830000-0x0000000020930000-memory.dmp

    Filesize

    1024KB

  • memory/1292-157-0x0000000020830000-0x0000000020930000-memory.dmp

    Filesize

    1024KB

  • memory/1292-158-0x0000000020830000-0x0000000020930000-memory.dmp

    Filesize

    1024KB

  • memory/1292-159-0x0000000020830000-0x0000000020930000-memory.dmp

    Filesize

    1024KB

  • memory/1292-160-0x0000000020830000-0x0000000020930000-memory.dmp

    Filesize

    1024KB

  • memory/1292-161-0x0000000020830000-0x0000000020930000-memory.dmp

    Filesize

    1024KB

  • memory/1292-164-0x0000000020830000-0x0000000020930000-memory.dmp

    Filesize

    1024KB

  • memory/1292-165-0x0000000020830000-0x0000000020930000-memory.dmp

    Filesize

    1024KB

  • memory/1292-213-0x0000000020830000-0x0000000020930000-memory.dmp

    Filesize

    1024KB

  • memory/1292-155-0x0000000020830000-0x0000000020930000-memory.dmp

    Filesize

    1024KB

  • memory/1292-143-0x000000001F6E0000-0x000000001F742000-memory.dmp

    Filesize

    392KB

  • memory/1292-179-0x00007FF985950000-0x00007FF9862F1000-memory.dmp

    Filesize

    9.6MB

  • memory/1292-208-0x0000000020830000-0x0000000020930000-memory.dmp

    Filesize

    1024KB

  • memory/1292-133-0x0000000000940000-0x000000000095A000-memory.dmp

    Filesize

    104KB

  • memory/1292-180-0x0000000020830000-0x0000000020930000-memory.dmp

    Filesize

    1024KB

  • memory/1292-181-0x000000001CEE0000-0x000000001D0E0000-memory.dmp

    Filesize

    2.0MB

  • memory/1292-182-0x0000000001160000-0x0000000001170000-memory.dmp

    Filesize

    64KB

  • memory/1292-183-0x000000001CEE0000-0x000000001D0E0000-memory.dmp

    Filesize

    2.0MB

  • memory/1292-184-0x0000000001160000-0x0000000001170000-memory.dmp

    Filesize

    64KB

  • memory/1292-186-0x0000000001160000-0x0000000001170000-memory.dmp

    Filesize

    64KB

  • memory/1292-185-0x000000001CEE0000-0x000000001D0E0000-memory.dmp

    Filesize

    2.0MB

  • memory/1292-187-0x000000001CEE0000-0x000000001D0E0000-memory.dmp

    Filesize

    2.0MB

  • memory/1292-189-0x0000000001160000-0x0000000001170000-memory.dmp

    Filesize

    64KB

  • memory/1292-188-0x0000000001160000-0x0000000001170000-memory.dmp

    Filesize

    64KB

  • memory/1292-134-0x000000001B890000-0x000000001B936000-memory.dmp

    Filesize

    664KB

  • memory/1292-190-0x0000000001160000-0x0000000001170000-memory.dmp

    Filesize

    64KB

  • memory/1292-191-0x0000000020830000-0x0000000020930000-memory.dmp

    Filesize

    1024KB

  • memory/1292-195-0x0000000020830000-0x0000000020930000-memory.dmp

    Filesize

    1024KB

  • memory/1292-196-0x0000000020830000-0x0000000020930000-memory.dmp

    Filesize

    1024KB

  • memory/1292-198-0x0000000001160000-0x0000000001170000-memory.dmp

    Filesize

    64KB

  • memory/1292-203-0x0000000020830000-0x0000000020930000-memory.dmp

    Filesize

    1024KB

  • memory/1292-201-0x000000001CEE0000-0x000000001D0E0000-memory.dmp

    Filesize

    2.0MB

  • memory/1292-200-0x0000000020830000-0x0000000020930000-memory.dmp

    Filesize

    1024KB

  • memory/1292-205-0x000000001CEE0000-0x000000001D0E0000-memory.dmp

    Filesize

    2.0MB

  • memory/1292-207-0x0000000020830000-0x0000000020930000-memory.dmp

    Filesize

    1024KB

  • memory/2208-176-0x000001EE5F1C0000-0x000001EE5F1E2000-memory.dmp

    Filesize

    136KB

  • memory/2208-177-0x00007FF982E30000-0x00007FF9838F1000-memory.dmp

    Filesize

    10.8MB

  • memory/2208-162-0x000001EE5F210000-0x000001EE5F220000-memory.dmp

    Filesize

    64KB

  • memory/2208-163-0x000001EE5F210000-0x000001EE5F220000-memory.dmp

    Filesize

    64KB

  • memory/2208-209-0x000001EE5F210000-0x000001EE5F220000-memory.dmp

    Filesize

    64KB

  • memory/2208-210-0x000001EE5F210000-0x000001EE5F220000-memory.dmp

    Filesize

    64KB

  • memory/2208-214-0x00007FF982E30000-0x00007FF9838F1000-memory.dmp

    Filesize

    10.8MB