Overview

overview

10

Static

static

7

JaffaCakes...3a.exe

windows7-x64

10

JaffaCakes...3a.exe

windows10-2004-x64

10

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General

  • Target

    JaffaCakes118_990a000e6241f7caa74ec76a47cc473a

  • Size

    184KB

  • Sample

    250330-x3bedavwgx

  • MD5

    990a000e6241f7caa74ec76a47cc473a

  • SHA1

    c3fc1b5437c8b5098862ed660170c2c3b1644a01

  • SHA256

    2fa6afdfdcc7ed90cc0a575480adba9401fb4b25c0f42de7bb96513373b2597d

  • SHA512

    16b062ee2f22b990922ab9d2388366c139d60156155a482480845e632e732884860d59d3b55f5ad4adf53557cd44b2fd4806c6d659495818f0f657ddcd21f5b8

  • SSDEEP

    3072:rimsXXK9HRTOeriRfP6pXfSb0dspqc5oY0htVFAHT11Ual21Cxcs0HKAH057kyJa:riMmXRH6pXfSb0ceR/VFAHh1kgcs0HWE

Score
10/10
aspackv2discoverypersistenceransomware

Malware Config

Targets

    • Target

      JaffaCakes118_990a000e6241f7caa74ec76a47cc473a

    • Size

      184KB

    • MD5

      990a000e6241f7caa74ec76a47cc473a

    • SHA1

      c3fc1b5437c8b5098862ed660170c2c3b1644a01

    • SHA256

      2fa6afdfdcc7ed90cc0a575480adba9401fb4b25c0f42de7bb96513373b2597d

    • SHA512

      16b062ee2f22b990922ab9d2388366c139d60156155a482480845e632e732884860d59d3b55f5ad4adf53557cd44b2fd4806c6d659495818f0f657ddcd21f5b8

    • SSDEEP

      3072:rimsXXK9HRTOeriRfP6pXfSb0dspqc5oY0htVFAHT11Ual21Cxcs0HKAH057kyJa:riMmXRH6pXfSb0ceR/VFAHh1kgcs0HWE

    Score
    10/10
    aspackv2discoverypersistenceransomware

    • 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