Overview

overview

8

Static

static

3

tsumasaimin.exe

windows10-2004-x64

tsumasaimin.exe

windows11-ltsc_2024-x64

3

Sharing

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General

  • Target
    tsumasaimin.exe
  • Size 1.2MB
  • Sample260821-3ke8hatte1
  • SHA256 d8da3e9a4dc39dfb00c21b76199a1e2d1b5f3d4e5ff86a7ea5fec9e241852ce7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
discoverypersistenceprivilege_escalationransomware

Malware Config

Targets

    • Target
      tsumasaimin.exe
    • Size 1.2MB
    • SHA256 d8da3e9a4dc39dfb00c21b76199a1e2d1b5f3d4e5ff86a7ea5fec9e241852ce7
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    discoverypersistenceprivilege_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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks