Overview

overview

10

Static

static

7

a939990e53...18.exe

windows7-x64

10

a939990e53...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a939990e53457e2ef115dab976c792a4_JaffaCakes118

  • Size

    802KB

  • Sample

    240614-mnj3vsxamf

  • MD5

    a939990e53457e2ef115dab976c792a4

  • SHA1

    c3eb7bed8547f5b48c0f2e16ea36e7818b18023e

  • SHA256

    30ec0a2627483513522c778e824dbc92801b74e01376cc78b56a3df0705347d7

  • SHA512

    13beb2e10291a79798c72c73eeab00636653298d5512520c41e8e3b36c464902b4628df83204fb1b0a93e66c9c991862b10063f602d88d369bcb9ec66f1c9fe8

  • SSDEEP

    24576:ZMMpXS0hN0V0HUSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0NN:Kwi0L0qJN6

Score
10/10
aspackv2persistenceransomware

Malware Config

Targets

    • Target

      a939990e53457e2ef115dab976c792a4_JaffaCakes118

    • Size

      802KB

    • MD5

      a939990e53457e2ef115dab976c792a4

    • SHA1

      c3eb7bed8547f5b48c0f2e16ea36e7818b18023e

    • SHA256

      30ec0a2627483513522c778e824dbc92801b74e01376cc78b56a3df0705347d7

    • SHA512

      13beb2e10291a79798c72c73eeab00636653298d5512520c41e8e3b36c464902b4628df83204fb1b0a93e66c9c991862b10063f602d88d369bcb9ec66f1c9fe8

    • SSDEEP

      24576:ZMMpXS0hN0V0HUSGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0NN:Kwi0L0qJN6

    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