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Overview

overview

10

Static

static

7

38dacba186...18.exe

windows7-x64

10

38dacba186...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    38dacba1866ae466d8da0504877007c0_JaffaCakes118

  • Size

    781KB

  • Sample

    241012-hc395sycje

  • MD5

    38dacba1866ae466d8da0504877007c0

  • SHA1

    9767ba433109611806ff53793d84a55b8ae3826a

  • SHA256

    900582dc5bf229c9079123c12be9644d679a12bc649032df88883e4043cdb69b

  • SHA512

    690364a68654fe8b7f3c679fce66c7fe4e2e6178497c3d0b706f9bfd50dab4ee9f5b0a4e576a2d36deac427ee2a25c01af7389a60429881b4091982bc768fa0b

  • SSDEEP

    24576:ZMMpXS0hN0V0HZSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0ND:Kwi0L0qkA

Score
10/10
aspackv2discoverypersistenceransomware

Malware Config

Targets

    • Target

      38dacba1866ae466d8da0504877007c0_JaffaCakes118

    • Size

      781KB

    • MD5

      38dacba1866ae466d8da0504877007c0

    • SHA1

      9767ba433109611806ff53793d84a55b8ae3826a

    • SHA256

      900582dc5bf229c9079123c12be9644d679a12bc649032df88883e4043cdb69b

    • SHA512

      690364a68654fe8b7f3c679fce66c7fe4e2e6178497c3d0b706f9bfd50dab4ee9f5b0a4e576a2d36deac427ee2a25c01af7389a60429881b4091982bc768fa0b

    • SSDEEP

      24576:ZMMpXS0hN0V0HZSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0ND:Kwi0L0qkA

    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