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Overview

overview

10

Static

static

7

fff5749a07...18.exe

windows7-x64

10

fff5749a07...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fff5749a07ac1fea91e0e51a34c16189_JaffaCakes118

  • Size

    488KB

  • Sample

    240421-xq1thahf36

  • MD5

    fff5749a07ac1fea91e0e51a34c16189

  • SHA1

    405c93c35057e275de8f1d852b5c2fd013ac451f

  • SHA256

    46b6cf3f8fdd8b3b32380411837cb43077ec564129b628c621bbe7c9c0fec454

  • SHA512

    9ca4245858d8211ef6c54648edca774efc81710717bc68bd60cce3d17f289255582759bd3a08d72bb95b7dd3b0ec55906b29b253369798f360cafe02a98b04d4

  • SSDEEP

    6144:ZiMmXRH6pXfSb0ceR/VFAHh1kgcs0HWHkyApOhP/SgljwRwdX/1H9fYavJiP/:zMMpXKb0hNGh1kG0HWNAuCsltHlYz/

Score
10/10
aspackv2persistenceransomware

Malware Config

Targets

    • Target

      fff5749a07ac1fea91e0e51a34c16189_JaffaCakes118

    • Size

      488KB

    • MD5

      fff5749a07ac1fea91e0e51a34c16189

    • SHA1

      405c93c35057e275de8f1d852b5c2fd013ac451f

    • SHA256

      46b6cf3f8fdd8b3b32380411837cb43077ec564129b628c621bbe7c9c0fec454

    • SHA512

      9ca4245858d8211ef6c54648edca774efc81710717bc68bd60cce3d17f289255582759bd3a08d72bb95b7dd3b0ec55906b29b253369798f360cafe02a98b04d4

    • SSDEEP

      6144:ZiMmXRH6pXfSb0ceR/VFAHh1kgcs0HWHkyApOhP/SgljwRwdX/1H9fYavJiP/:zMMpXKb0hNGh1kG0HWNAuCsltHlYz/

    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