Overview

overview

10

Static

static

10

Chernobyl.exe

windows10-2004-x64

Chernobyl.exe

windows11-ltsc_2024-x64

Sharing

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General

  • Target
    VIRUS shadow.rar
  • Size 2.9MB
  • Sample261104-zl81esef82
  • SHA256 5ba40ab0e5903b377fdb0f39c9670ed425d6cb6a34746f2f41579f9f1a2f5f14
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
njratvictimbootkitdiscoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

  • njrat

Version

  • <- NjRAT 0.7d Horror Edition ->

Botnet

  • Victim

C2

  • 28.tcp.cpolar.top:10588

Mutex

  • 0142361c52dce97ca26729e3ae908113

Attributes
  • reg_key

    0142361c52dce97ca26729e3ae908113

  • splitter

    Y262SUCZ4UJJ

Targets

    • Target
      Chernobyl.exe
    • Size 1.2MB
    • SHA256 2342b3d3120400baea76a500a710fc239ea8d1c587459c4c20bc070e44281c27
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10
    bootkitdiscoveryexecutionpersistenceprivilege_escalation

    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

      persistenceprivilege_escalation

    • Executes dropped EXE

    • Modifies system executable filetype association

      persistence

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks