Overview

overview

10

Static

static

3

TOTALMARIN...df.exe

windows7-x64

10

TOTALMARIN...df.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

    TOTALMARINE_STATEMENTpdf.exe

  • Size

    596KB

  • Sample

    250220-bhz2cavmw9

  • MD5

    f8523b659770222998860841054c1c77

  • SHA1

    54de904ca308913f4339723d8c556b5d2b0aa1e1

  • SHA256

    dd7eb41e06820001a84bc4ec0eedcd915025b8e137cf0867731ca228b8b3c6f1

  • SHA512

    91f0eac3c4b3037f961c8aba9597085c3f05bdc8fa250fce2833a03281b2d651962c8c7615fab32c124b8e68bb4c73c9cab1ff49f5925116c7a5393d2cc90505

  • SSDEEP

    12288:5UVC9GIaG5ez1UKw0DzPXBNMhmn8az8wvnSDKwaF9AUiDeDx3E:KVzK5ez1Y0vXBWm8aYwvnCKwaqDeDB

Score
10/10
guloaderdiscoverydownloader

Malware Config

Targets

    • Target

      TOTALMARINE_STATEMENTpdf.exe

    • Size

      596KB

    • MD5

      f8523b659770222998860841054c1c77

    • SHA1

      54de904ca308913f4339723d8c556b5d2b0aa1e1

    • SHA256

      dd7eb41e06820001a84bc4ec0eedcd915025b8e137cf0867731ca228b8b3c6f1

    • SHA512

      91f0eac3c4b3037f961c8aba9597085c3f05bdc8fa250fce2833a03281b2d651962c8c7615fab32c124b8e68bb4c73c9cab1ff49f5925116c7a5393d2cc90505

    • SSDEEP

      12288:5UVC9GIaG5ez1UKw0DzPXBNMhmn8az8wvnSDKwaF9AUiDeDx3E:KVzK5ez1Y0vXBWm8aYwvnCKwaqDeDB

    Score
    10/10
    guloaderdiscoverydownloader

    • Guloader family

      guloader

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

    • Target

      $PLUGINSDIR/System.dll

    • Size

      11KB

    • MD5

      2ae993a2ffec0c137eb51c8832691bcb

    • SHA1

      98e0b37b7c14890f8a599f35678af5e9435906e1

    • SHA256

      681382f3134de5c6272a49dd13651c8c201b89c247b471191496e7335702fa59

    • SHA512

      2501371eb09c01746119305ba080f3b8c41e64535ff09cee4f51322530366d0bd5322ea5290a466356598027e6cda8ab360caef62dcaf560d630742e2dd9bcd9

    • SSDEEP

      192:vPtkumJX7zB22kGwfy0mtVgkCPOsE1un:k702k5qpdsEQn

    Score
    3/10
    discovery
    behavioral3behavioral4

MITRE ATT&CK Enterprise v15

Tasks