Overview

overview

8

Static

static

3

ST_Externa...er.exe

windows7-x64

8

ST_Externa...er.exe

windows10-2004-x64

8

Sharing

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General

  • Target
    ST_External_Loader.zip
  • Size 32.7MB
  • Sample240302-3f1nmsac9t
  • SHA256 d4cc4320d4c688a4509d096f8ca3e7d6da179c941a7ac3622e8db0d92c138133
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10
persistence

Malware Config

Targets

    • Target
      ST_External_Loader/ST_External_Loader.exe
    • Size 37.8MB
    • SHA256 c05577139a84f3e3591546d727d8501f2e2f65631d48122683331373bbbeac12
    • MD5 SHA1 SHA512 SSDEEP
    Score
    8/10
    persistence

    • Drops file in Drivers directory

    • Sets service image path in registry

      persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks