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Overview

overview

10

Static

static

7

4f0a7b8523...33.exe

windows7-x64

10

4f0a7b8523...33.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4f0a7b8523cea2af5411490ec5a94333

  • Size

    666KB

  • Sample

    240109-ycq8ksaed9

  • MD5

    4f0a7b8523cea2af5411490ec5a94333

  • SHA1

    291f3a0e32334823c41da2e1013819bd9b133bd4

  • SHA256

    e61e016f08831015aa39a818fc430b786f13f3611d269a8a88165c899730a4f7

  • SHA512

    62488dd26192fcc487785e09f7493b990d54fba6b97aa1b201f3a746dd0b789e16b98d5bbd3f5e96f7b6b2cb0acc6266b29b558e52612bddbaf6e4c6873eb9bd

  • SSDEEP

    12288:5MMpXKb0hNGh1kG0HWnAL7MMpXKb0hNGh1kG0HWnAL+:5MMpXS0hN0V0H7MMpXS0hN0V0H+

Score
10/10
aspackv2persistenceransomware

Malware Config

Targets

    • Target

      4f0a7b8523cea2af5411490ec5a94333

    • Size

      666KB

    • MD5

      4f0a7b8523cea2af5411490ec5a94333

    • SHA1

      291f3a0e32334823c41da2e1013819bd9b133bd4

    • SHA256

      e61e016f08831015aa39a818fc430b786f13f3611d269a8a88165c899730a4f7

    • SHA512

      62488dd26192fcc487785e09f7493b990d54fba6b97aa1b201f3a746dd0b789e16b98d5bbd3f5e96f7b6b2cb0acc6266b29b558e52612bddbaf6e4c6873eb9bd

    • SSDEEP

      12288:5MMpXKb0hNGh1kG0HWnAL7MMpXKb0hNGh1kG0HWnAL+:5MMpXS0hN0V0H7MMpXS0hN0V0H+

    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