Overview

overview

8

Static

static

5

NecrumLoader.exe

windows10-ltsc_2021-x64

8

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General

  • Target
    NecrumLoader.exe
  • Size 36.6MB
  • Sample260802-y9dczsfd27
  • SHA256 b11ba14ae284230ae66a9a68031880d07f0c708e368677c9aff22d1d30ce26ae
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
defense_evasiondiscoverypersistenceprivilege_escalationransomwareupx

Malware Config

Targets

    • Target
      NecrumLoader.exe
    • Size 36.6MB
    • SHA256 b11ba14ae284230ae66a9a68031880d07f0c708e368677c9aff22d1d30ce26ae
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    defense_evasiondiscoverypersistenceprivilege_escalationransomware

    • Downloads MZ/PE file

    • 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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks