Overview

overview

10

Static

static

7

b1a36f55bf...18.exe

windows7-x64

10

b1a36f55bf...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    b1a36f55bf2865f17376e207dd967d82_JaffaCakes118
  • Size 397KB
  • Sample240616-ejs6zayejb
  • SHA256 7fff58641a5500fe77d386261d7c25ee1fca261503f667d3f2277a65d54d74af
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
aspackv2persistenceransomware

Malware Config

Targets

    • Target
      b1a36f55bf2865f17376e207dd967d82_JaffaCakes118
    • Size 397KB
    • SHA256 7fff58641a5500fe77d386261d7c25ee1fca261503f667d3f2277a65d54d74af
    • MD5 SHA1 SHA512 SSDEEP
    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