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Overview

overview

10

Static

static

7

feef9b3b08...18.exe

windows7-x64

10

feef9b3b08...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    feef9b3b087ffda97e872d02dbb3b6c9_JaffaCakes118

  • Size

    790KB

  • Sample

    240421-k3rp5sga81

  • MD5

    feef9b3b087ffda97e872d02dbb3b6c9

  • SHA1

    76d74942ca320bf3fe3a9931c80a352b420a7660

  • SHA256

    e30bc522aba78f8b77370ee26cb7af1ae850ba9b81a8b746ecb744ea1c57ef29

  • SHA512

    df2cc87a8a04933ddffb36775d463ac7cb28f15153e782f06c7740f0175bdcd3bf6a94273a9f7fc611dc6105c6991d45e07e54d93d3a215352e22ba624d7abf4

  • SSDEEP

    6144:ZiMmXRH6pXfSb0ceR/VFAHh1kgcs0HWHkyApOhP/SgljwRwdX/1H9kM2AfQ2C4e/:zMMpXKb0hNGh1kG0HWNAuCsltHw

Score
10/10
aspackv2persistenceransomware

Malware Config

Targets

    • Target

      feef9b3b087ffda97e872d02dbb3b6c9_JaffaCakes118

    • Size

      790KB

    • MD5

      feef9b3b087ffda97e872d02dbb3b6c9

    • SHA1

      76d74942ca320bf3fe3a9931c80a352b420a7660

    • SHA256

      e30bc522aba78f8b77370ee26cb7af1ae850ba9b81a8b746ecb744ea1c57ef29

    • SHA512

      df2cc87a8a04933ddffb36775d463ac7cb28f15153e782f06c7740f0175bdcd3bf6a94273a9f7fc611dc6105c6991d45e07e54d93d3a215352e22ba624d7abf4

    • SSDEEP

      6144:ZiMmXRH6pXfSb0ceR/VFAHh1kgcs0HWHkyApOhP/SgljwRwdX/1H9kM2AfQ2C4e/:zMMpXKb0hNGh1kG0HWNAuCsltHw

    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