Overview

overview

10

Static

static

3

36bd481c4f...d2.exe

windows7-x64

10

36bd481c4f...d2.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

    36bd481c4fa0c81766a46d47dc47bd538c2bbf91254092fe6f5cbea1d3bcb4d2.exe

  • Size

    1.1MB

  • Sample

    240213-cw1epsbh85

  • MD5

    dbac614bdf786dd5741aaab9ea8006d7

  • SHA1

    4f49b045fe3b043d5f8541939ef66d611094b10d

  • SHA256

    36bd481c4fa0c81766a46d47dc47bd538c2bbf91254092fe6f5cbea1d3bcb4d2

  • SHA512

    966a2038cb16dead59f3b44379d8fb2bb35f5888b10c74cafb8a28b8e9a029b0a5ec0d3c7d17a5915351014c7307e3989efb17120781dccbf7815a00d5789526

  • SSDEEP

    24576:KS5HuM8IqoMzMxDHEHsGhXwy54j3BjqgMQUWhypBR:f55XOHsG/54j3ZftUNBR

Score
10/10
guloaderdownloaderpersistence

Malware Config

Targets

    • Target

      36bd481c4fa0c81766a46d47dc47bd538c2bbf91254092fe6f5cbea1d3bcb4d2.exe

    • Size

      1.1MB

    • MD5

      dbac614bdf786dd5741aaab9ea8006d7

    • SHA1

      4f49b045fe3b043d5f8541939ef66d611094b10d

    • SHA256

      36bd481c4fa0c81766a46d47dc47bd538c2bbf91254092fe6f5cbea1d3bcb4d2

    • SHA512

      966a2038cb16dead59f3b44379d8fb2bb35f5888b10c74cafb8a28b8e9a029b0a5ec0d3c7d17a5915351014c7307e3989efb17120781dccbf7815a00d5789526

    • SSDEEP

      24576:KS5HuM8IqoMzMxDHEHsGhXwy54j3BjqgMQUWhypBR:f55XOHsG/54j3ZftUNBR

    Score
    10/10
    guloaderdownloaderpersistence

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

      downloaderguloader

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

    • Target

      $PLUGINSDIR/System.dll

    • Size

      11KB

    • MD5

      17ed1c86bd67e78ade4712be48a7d2bd

    • SHA1

      1cc9fe86d6d6030b4dae45ecddce5907991c01a0

    • SHA256

      bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb

    • SHA512

      0cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5

    • SSDEEP

      192:eY24sihno00Wfl97nH6T2enXwWobpWBTU4VtHT7dmN35Ol+Sl:E8QIl975eXqlWBrz7YLOl+

    Score
    3/10
    behavioral3behavioral4

MITRE ATT&CK Enterprise v15

Tasks