Overview

overview

10

Static

static

3

bb2c0f8952...27.exe

windows7-x64

10

bb2c0f8952...27.exe

windows10-2004-x64

10

$PLUGINSDI...ge.dll

windows7-x64

1

$PLUGINSDI...ge.dll

windows10-2004-x64

1

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDI...fo.dll

windows7-x64

3

$PLUGINSDI...fo.dll

windows10-2004-x64

3

Sharing

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General

  • Target

    bb2c0f8952c81ef515102521083091df311b71929dc075a506a93cc5d8855527.exe

  • Size

    399KB

  • Sample

    240628-b5rngsvakc

  • MD5

    86ab45f914a047213012a783615a54fa

  • SHA1

    42166d9321e30e79c33583e77a0d3de67e6142f2

  • SHA256

    bb2c0f8952c81ef515102521083091df311b71929dc075a506a93cc5d8855527

  • SHA512

    cbb6a1ccb8c4e28c8ea22c2ad881b7ef8c243c8e6f3abd5fc818d080a6b4417fb0ac5f412d488e46865fd5fe5db64e83b70c965e28fb65df9ac03696ee240a1f

  • SSDEEP

    6144:bVGdx6xuO1TzGL7Bq0XtpZ+lsMA2Usp58ie1VvfpK70qkmXkbgn3/2tw7:ht1TzGLFtXtKxxEr1xg70ZEkbM3/2tw7

Score
10/10
guloaderdownloader

Malware Config

Targets

    • Target

      bb2c0f8952c81ef515102521083091df311b71929dc075a506a93cc5d8855527.exe

    • Size

      399KB

    • MD5

      86ab45f914a047213012a783615a54fa

    • SHA1

      42166d9321e30e79c33583e77a0d3de67e6142f2

    • SHA256

      bb2c0f8952c81ef515102521083091df311b71929dc075a506a93cc5d8855527

    • SHA512

      cbb6a1ccb8c4e28c8ea22c2ad881b7ef8c243c8e6f3abd5fc818d080a6b4417fb0ac5f412d488e46865fd5fe5db64e83b70c965e28fb65df9ac03696ee240a1f

    • SSDEEP

      6144:bVGdx6xuO1TzGL7Bq0XtpZ+lsMA2Usp58ie1VvfpK70qkmXkbgn3/2tw7:ht1TzGLFtXtKxxEr1xg70ZEkbM3/2tw7

    Score
    10/10
    guloaderdownloader

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Loads dropped DLL

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

    • Target

      $PLUGINSDIR/BgImage.dll

    • Size

      7KB

    • MD5

      e9f3051a79f12aed819b91f028a463c1

    • SHA1

      d088868584cdc04d391ec27cd318034a5ce562bc

    • SHA256

      91b8073e8e67945e14fb10963fc9101fae8c298bd4cd7080b4e47b5bdd4af85c

    • SHA512

      eac1fb48403959dc8a5ed20d8ced83c2276c510a781191c9f850bd3a9214c10c8ae0a4d9159dc3bb08f9686bc62f25dd31cccdcc48f568cc8678012333afe894

    • SSDEEP

      96:8eKGk1LFJaO1/radJEaYtv1Zs4lkL8y3A2EN8Cmy3uTo4j7J3kWyy/:tKhTJa2roqJyA2EN8diuTVje

    Score
    1/10
    behavioral3behavioral4

    • Target

      $PLUGINSDIR/System.dll

    • Size

      11KB

    • MD5

      75ed96254fbf894e42058062b4b4f0d1

    • SHA1

      996503f1383b49021eb3427bc28d13b5bbd11977

    • SHA256

      a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7

    • SHA512

      58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

    • SSDEEP

      192:X24sihno0bW+l97H4GB7QDs91kMtwtobTr4u+QHbazMNHT7dmNIEr:m8vJl97JeoxtN/r3z7YV

    Score
    3/10
    behavioral5behavioral6

    • Target

      $PLUGINSDIR/UserInfo.dll

    • Size

      4KB

    • MD5

      a6f622a2f12ac10bca04e23deff5cada

    • SHA1

      abf851b5ccfb64004e9b49718a467bd754545887

    • SHA256

      b8fa7b9393fff910144768588c471ca7c9ec98a2b8b186b2172b8ba7a5279500

    • SHA512

      35c8b0db179104e638f1b40f3f8038a41fdc327e112de5cb0dbb97cbf1dfa276fcf6400fcb46b88cb5ba233ca769becbdb4b4d40920adca831e3c0f38193c50f

    Score
    3/10
    behavioral7behavioral8

MITRE ATT&CK Matrix ATT&CK v13

Tasks