Overview

overview

10

Static

static

10

GIYACTWB.msi

windows10-2004-x64

10

GIYACTWB.msi

windows11-21h2-x64

10

Sharing

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General

  • Target
    GIYACTWB.msi
  • Size 36.0MB
  • Sample251225-nyj2aawkcy
  • SHA256 bfe06b2f18cdbc4d74b731a2fe52f66d3e4da9f9f0bbf9730b816b5418e5f12b
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
deerstealerhijackloaderdiscoveryloaderpersistenceprivilege_escalationstealer

Malware Config

Extracted

Family

  • hijackloader

Attributes
  • directory

    %APPDATA%\nano_wizard

  • inject_dll

    %windir%\SysWOW64\rasapi32.dll

xor.hex

Targets

    • Target
      GIYACTWB.msi
    • Size 36.0MB
    • SHA256 bfe06b2f18cdbc4d74b731a2fe52f66d3e4da9f9f0bbf9730b816b5418e5f12b
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    discoverydeerstealerhijackloaderloaderpersistenceprivilege_escalationstealer

    • DeerStealer

      DeerStealer is a sophisticated information stealer written in C++.

      stealerdeerstealer

    • Deerstealer family

      deerstealer

    • Detects DeerStealer

      stealer

    • Detects HijackLoader (aka IDAT Loader)

    • HijackLoader, IDAT loader, Ghostulse,

      HijackLoader is a multi-stage loader, first seen in 2023.

      loaderhijackloader

    • Hijackloader family

      hijackloader

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks