Overview

overview

10

Static

static

3

P0_#1037596.exe

windows10-2004-x64

10

P0_#1037596.exe

windows11-21h2-x64

10

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows11-21h2-x64

3

Sharing

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General

  • Target
    P0_#1037596.exe
  • Size 948KB
  • Sample260520-wccn3sh13s
  • SHA256 63f3a9264a8afae81e4cb56f5ade6ce4a8d9f7c20a6a977d07346d6aa769878f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
guloaderdiscoverydownloaderpersistence

Malware Config

Targets

    • Target
      P0_#1037596.exe
    • Size 948KB
    • SHA256 63f3a9264a8afae81e4cb56f5ade6ce4a8d9f7c20a6a977d07346d6aa769878f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoverydownloaderguloaderpersistence

    • Family: Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2
    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 9111099efe9d5c9b391dc132b2faf0a3851a760d4106d5368e30ac744eb42706
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    discovery
    behavioral3behavioral4

MITRE ATT&CK Enterprise v16

Tasks