Overview

overview

10

Static

static

3

factura-022853.exe

windows7-x64

10

factura-022853.exe

windows10-2004-x64

10

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

Sharing

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General

  • Target
    factura-022853.exe
  • Size 816KB
  • Sample240306-redxpsce7x
  • SHA256 df09e53e0571765247faf08a316fd75c13e84be01f4db61b294e0ec95aaf1b5e
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
guloaderdownloader

Malware Config

Targets

    • Target
      factura-022853.exe
    • Size 816KB
    • SHA256 df09e53e0571765247faf08a316fd75c13e84be01f4db61b294e0ec95aaf1b5e
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    guloaderdownloader

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2
    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    behavioral3behavioral4

MITRE ATT&CK Enterprise v15

Tasks