Overview

overview

10

Static

static

3

0c3a38ca1a...6b.exe

windows7-x64

7

0c3a38ca1a...6b.exe

windows10-2004-x64

10

$PLUGINSDI...ec.dll

windows7-x64

3

$PLUGINSDI...ec.dll

windows10-2004-x64

3

Sharing

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General

  • Target
    0c3a38ca1a01a40daf13699cae74d8903aeb6362f75611dbd8df3430b850026b.exe
  • Size 564KB
  • Sample240417-bevmfshc53
  • SHA256 0c3a38ca1a01a40daf13699cae74d8903aeb6362f75611dbd8df3430b850026b
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
guloaderdownloaderpersistence

Malware Config

Targets

    • Target
      0c3a38ca1a01a40daf13699cae74d8903aeb6362f75611dbd8df3430b850026b.exe
    • Size 564KB
    • SHA256 0c3a38ca1a01a40daf13699cae74d8903aeb6362f75611dbd8df3430b850026b
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    guloaderdownloaderpersistence

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2
    • Target
      $PLUGINSDIR/nsExec.dll
    • Size 6KB
    • SHA256 938580b466533dfa1461e9858fd106b60e1a52b713380915cc03afd3e4b4573c
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    behavioral3behavioral4

MITRE ATT&CK Enterprise v15

Tasks