General

  • Target

    8e23ac8eb73d1d3704b3512394e73131f8b3b3606fd980068e2e90078d5d7103

  • Size

    80KB

  • Sample

    241021-arnt1a1arl

  • MD5

    85e79fa13d873aa857cc7e58828b8b91

  • SHA1

    f96a4d9e4ee7cfcdafff95859abbcd806ed6dc1d

  • SHA256

    8e23ac8eb73d1d3704b3512394e73131f8b3b3606fd980068e2e90078d5d7103

  • SHA512

    0fc152673f40f814f40ef59208836e61fd3d51a5b8b60812ae1c9c5eb6838ce790d735e74cf47a0fe53bdbcef2c90b7a01ef890131ffcb5aeca465ea1168c289

  • SSDEEP

    1536:dPvK/3zvzVQtCsscKvWnjzJxuOmb54vHTL6lm:diqCspTzVmb5uHv6lm

Malware Config

Extracted

Family

blacknet

Botnet

HacKed

C2

https://lovegunny.net/

Mutex

BN[GnFquUJG-0548378]

Attributes
  • antivm

    false

  • elevate_uac

    true

  • install_name

    WindowsUpdate.exe

  • splitter

    |BN|

  • start_name

    cde2f914e4cce7f13b2c1cec7b6da970

  • startup

    false

  • usb_spread

    true

Targets

    • Target

      8e23ac8eb73d1d3704b3512394e73131f8b3b3606fd980068e2e90078d5d7103

    • Size

      80KB

    • MD5

      85e79fa13d873aa857cc7e58828b8b91

    • SHA1

      f96a4d9e4ee7cfcdafff95859abbcd806ed6dc1d

    • SHA256

      8e23ac8eb73d1d3704b3512394e73131f8b3b3606fd980068e2e90078d5d7103

    • SHA512

      0fc152673f40f814f40ef59208836e61fd3d51a5b8b60812ae1c9c5eb6838ce790d735e74cf47a0fe53bdbcef2c90b7a01ef890131ffcb5aeca465ea1168c289

    • SSDEEP

      1536:dPvK/3zvzVQtCsscKvWnjzJxuOmb54vHTL6lm:diqCspTzVmb5uHv6lm

    • BlackNET

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

    • BlackNET payload

    • Contains code to disable Windows Defender

      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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Windows security modification

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks