Overview

overview

10

Static

static

3

installer.msi

windows10-2004-x64

10

installer.msi

windows11-ltsc_2024-x64

10

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General

  • Target
    installer.msi
  • Size 4.6MB
  • Sample261021-pp7xestt2j
  • SHA256 82a6ebc4ce6cc397cbcc8c7002901a83a2568beec4fa88e279a5f0512fdf5085
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
deerstealerhijackloaderdefense_evasiondiscoveryloaderpersistenceprivilege_escalationransomwarestealer

Malware Config

Extracted

Family

  • hijackloader

Attributes
  • directory

    %APPDATA%\EXK8s_pro

  • inject_dll

    %windir%\SysWOW64\rasapi32.dll

xor.hex

Targets

    • Target
      installer.msi
    • Size 4.6MB
    • SHA256 82a6ebc4ce6cc397cbcc8c7002901a83a2568beec4fa88e279a5f0512fdf5085
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoverydeerstealerhijackloaderloaderpersistenceprivilege_escalationransomwarestealer

    • Detects DeerStealer

      stealer

    • Detects HijackLoader (aka IDAT Loader)

    • Family: DeerStealer

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

      stealerdeerstealer

    • Family: HijackLoader, IDAT loader, Ghostulse,

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

      loaderhijackloader

    • 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