Overview

overview

10

Static

static

3

DZELTLDSZL...at.exe

windows7-x64

10

DZELTLDSZL...at.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

    DZELTLDSZLEMEpdf.bat.exe

  • Size

    554KB

  • Sample

    240925-ywec5avfnq

  • MD5

    8681ab3286a883dbfaad479b99aef9d1

  • SHA1

    c3df94522f79f288c5178083bb3085bb61f6ce01

  • SHA256

    3c74c62451d876da8642fc1b4f1e689b7b6d03aa74dd9baa0aefde62cd3c13b5

  • SHA512

    9430594953d979cab8fc58dd493c8bc248cf70051093ac4c415addcf7c2c1c1c39a4c695aa89a6dcf42cb8596302d4d8be5ebe79e317a0b910de3fee5b49e2fb

  • SSDEEP

    12288:qX6kgpq5+/10ikjy6jEgMNtTJXPjQewu5xWUPJbbiEUW34/:qX68W1P6jEgMDFjmUBqEUW

Score
10/10
guloaderdiscoverydownloader

Malware Config

Targets

    • Target

      DZELTLDSZLEMEpdf.bat.exe

    • Size

      554KB

    • MD5

      8681ab3286a883dbfaad479b99aef9d1

    • SHA1

      c3df94522f79f288c5178083bb3085bb61f6ce01

    • SHA256

      3c74c62451d876da8642fc1b4f1e689b7b6d03aa74dd9baa0aefde62cd3c13b5

    • SHA512

      9430594953d979cab8fc58dd493c8bc248cf70051093ac4c415addcf7c2c1c1c39a4c695aa89a6dcf42cb8596302d4d8be5ebe79e317a0b910de3fee5b49e2fb

    • SSDEEP

      12288:qX6kgpq5+/10ikjy6jEgMNtTJXPjQewu5xWUPJbbiEUW34/:qX68W1P6jEgMDFjmUBqEUW

    Score
    10/10
    guloaderdiscoverydownloader

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Loads dropped DLL

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

    • Target

      $PLUGINSDIR/System.dll

    • Size

      12KB

    • MD5

      4add245d4ba34b04f213409bfe504c07

    • SHA1

      ef756d6581d70e87d58cc4982e3f4d18e0ea5b09

    • SHA256

      9111099efe9d5c9b391dc132b2faf0a3851a760d4106d5368e30ac744eb42706

    • SHA512

      1bd260cabe5ea3cefbbc675162f30092ab157893510f45a1b571489e03ebb2903c55f64f89812754d3fe03c8f10012b8078d1261a7e73ac1f87c82f714bce03d

    • SSDEEP

      192:VjHcQ0qWTlt7wi5Aj/lM0sEWD/wtYbBjpNQybC7y+XZv0QPi:B/Qlt7wiij/lMRv/9V4bvr

    Score
    3/10
    discovery
    behavioral3behavioral4

MITRE ATT&CK Enterprise v15

Tasks