Overview

overview

10

Static

static

7

3b85f3acf2...04.exe

windows7-x64

10

3b85f3acf2...04.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    3b85f3acf2f180907172ef7619b86404

  • Size

    184KB

  • Sample

    240101-be6dysbgc4

  • MD5

    3b85f3acf2f180907172ef7619b86404

  • SHA1

    a552fb20c05a44f3e01c32a1b6cee6e987c1634b

  • SHA256

    1c382b2800f2d57ebb19bffae03b8ed679838a22520a212c19f051a84a75e977

  • SHA512

    a7fb01bed6c5fa65868ec1e1ba6d2d5df8e6e71d727947ec45fc97c8d22a8a1aebcfef1cef15f03f5851b1b0be62da700a90645736602d5adf778628aa081906

  • SSDEEP

    3072:rimsXXK9HRTOeriRfP6pXfSb0dspqc5oY0htVFAHT11Ual21Cxcs0HKAH057kyJu:riMmXRH6pXfSb0ceR/VFAHh1kgcs0HWU

Score
10/10
aspackv2persistenceransomware

Malware Config

Targets

    • Target

      3b85f3acf2f180907172ef7619b86404

    • Size

      184KB

    • MD5

      3b85f3acf2f180907172ef7619b86404

    • SHA1

      a552fb20c05a44f3e01c32a1b6cee6e987c1634b

    • SHA256

      1c382b2800f2d57ebb19bffae03b8ed679838a22520a212c19f051a84a75e977

    • SHA512

      a7fb01bed6c5fa65868ec1e1ba6d2d5df8e6e71d727947ec45fc97c8d22a8a1aebcfef1cef15f03f5851b1b0be62da700a90645736602d5adf778628aa081906

    • SSDEEP

      3072:rimsXXK9HRTOeriRfP6pXfSb0dspqc5oY0htVFAHT11Ual21Cxcs0HKAH057kyJu:riMmXRH6pXfSb0ceR/VFAHh1kgcs0HWU

    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