Overview

overview

8

Static

static

3

caffeine-1...er.exe

windows10-2004-x64

8

caffeine-1...er.exe

windows11-ltsc_2024-x64

7

Sharing

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General

  • Target
    caffeine-1.98-installer.exe
  • Size 2.0MB
  • Sample260810-vpsemadp4w
  • SHA256 3574c0d5406f25169850dfe6e05d202c9487b8529d2b646ad9f890ca32ae2895
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
bootkitdiscoveryinstallerpersistence

Malware Config

Targets

    • Target
      caffeine-1.98-installer.exe
    • Size 2.0MB
    • SHA256 3574c0d5406f25169850dfe6e05d202c9487b8529d2b646ad9f890ca32ae2895
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    bootkitdiscoveryinstallerpersistence

    • Uses Session Manager for persistence

      Creates Session Manager registry key to run executable early in system boot.

      persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks for any installed AV software in registry

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks