Overview

overview

10

Static

static

7

91b8ee828c...18.exe

windows7-x64

10

91b8ee828c...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    91b8ee828ce463796219070f546b70a9_JaffaCakes118
  • Size 783KB
  • Sample240603-n9mljsfa99
  • SHA256 4c3d7563ffa7aea8221b1936d86722fa707114dc28c5089bf8daef3fe0913456
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
aspackv2persistenceransomware

Malware Config

Targets

    • Target
      91b8ee828ce463796219070f546b70a9_JaffaCakes118
    • Size 783KB
    • SHA256 4c3d7563ffa7aea8221b1936d86722fa707114dc28c5089bf8daef3fe0913456
    • 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