Overview

overview

10

Static

static

7

1cbf67143e...43.exe

windows7-x64

10

1cbf67143e...43.exe

windows10-2004-x64

10

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General

  • Target

    1cbf67143e131aee5e0295917feb1e43

  • Size

    970KB

  • Sample

    231230-z5wt7sdae8

  • MD5

    1cbf67143e131aee5e0295917feb1e43

  • SHA1

    74db9129595cd9ec35a59d644cf90d36f3418c1c

  • SHA256

    a0af513df744eaf6af6e874623ddef6a449771e953450792406b615e4de4da7a

  • SHA512

    d0f9a97dd3576a7eac8801e876f478cb89c588d68efc4b5739e5abdba710c4fa8272eebfef74fa66bc2d5070b6b0098132aaf8fe81230b4501ada6c27bba5c82

  • SSDEEP

    12288:5MMpXKb0hNGh1kG0HWnAL7MMpXKb0hNGh1kG0HWnALq:5MMpXS0hN0V0H7MMpXS0hN0V0Hq

Score
10/10
aspackv2persistenceransomware

Malware Config

Targets

    • Target

      1cbf67143e131aee5e0295917feb1e43

    • Size

      970KB

    • MD5

      1cbf67143e131aee5e0295917feb1e43

    • SHA1

      74db9129595cd9ec35a59d644cf90d36f3418c1c

    • SHA256

      a0af513df744eaf6af6e874623ddef6a449771e953450792406b615e4de4da7a

    • SHA512

      d0f9a97dd3576a7eac8801e876f478cb89c588d68efc4b5739e5abdba710c4fa8272eebfef74fa66bc2d5070b6b0098132aaf8fe81230b4501ada6c27bba5c82

    • SSDEEP

      12288:5MMpXKb0hNGh1kG0HWnAL7MMpXKb0hNGh1kG0HWnALq:5MMpXS0hN0V0H7MMpXS0hN0V0Hq

    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