Overview

overview

7

Static

static

3

LAST LETTE...ki.exe

windows10-2004-x64

7

LAST LETTE...ki.exe

windows11-ltsc_2024-x64

7

Sharing

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General

  • Target
    LAST LETTER MASTER v2.1 by nasayuzaki.exe
  • Size 16.7MB
  • Sample260624-j79abaaz4w
  • SHA256 4d849863e107f780c3378a8861ed3c6efb76cfffbefeb6292099298f59d3aa8f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discovery

Malware Config

Targets

    • Target
      LAST LETTER MASTER v2.1 by nasayuzaki.exe
    • Size 16.7MB
    • SHA256 4d849863e107f780c3378a8861ed3c6efb76cfffbefeb6292099298f59d3aa8f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10
    discovery

    • Loads dropped DLL

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Enumerates processes with tasklist

      discovery
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks