Overview

overview

10

Static

static

7

4d1356a40b...9a.exe

windows7-x64

10

4d1356a40b...9a.exe

windows10-2004-x64

10

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General

  • Target

    4d1356a40b0a01f96fea98eabc31bd9a

  • Size

    718KB

  • Sample

    231226-c3yjpaahf4

  • MD5

    4d1356a40b0a01f96fea98eabc31bd9a

  • SHA1

    769c249a8c2a51d7af26535e69f856836efb3677

  • SHA256

    91bd312a1ddaf67c3d553a12253d2749d8fedf19b896f8688486b57ccae3155d

  • SHA512

    0b2ba7bcc299bdfa99024e6eeb72b284e6c5c29461749794e696caea3d9115343486093b9a8bbea6f6a2ab915ebe5ae2383c9d5c4a7ebbe61ba29b8c5ad8ca33

  • SSDEEP

    12288:5MMpXKb0hNGh1kG0HWnAL7MMpXKb0hNGh1kG0HWnALo:5MMpXS0hN0V0H7MMpXS0hN0V0Ho

Score
10/10
aspackv2persistenceransomware

Malware Config

Targets

    • Target

      4d1356a40b0a01f96fea98eabc31bd9a

    • Size

      718KB

    • MD5

      4d1356a40b0a01f96fea98eabc31bd9a

    • SHA1

      769c249a8c2a51d7af26535e69f856836efb3677

    • SHA256

      91bd312a1ddaf67c3d553a12253d2749d8fedf19b896f8688486b57ccae3155d

    • SHA512

      0b2ba7bcc299bdfa99024e6eeb72b284e6c5c29461749794e696caea3d9115343486093b9a8bbea6f6a2ab915ebe5ae2383c9d5c4a7ebbe61ba29b8c5ad8ca33

    • SSDEEP

      12288:5MMpXKb0hNGh1kG0HWnAL7MMpXKb0hNGh1kG0HWnALo:5MMpXS0hN0V0H7MMpXS0hN0V0Ho

    Score
    10/10
    aspackv2persistenceransomware

    • Modifies WinLogon for persistence

      persistence

    • Renames multiple (91) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

      aspackv2

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks