Overview

overview

10

Static

static

3

c9ff8c75fc...55.exe

windows7-x64

10

c9ff8c75fc...55.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c9ff8c75fcb257fc874d6f99e0b76255

  • Size

    851KB

  • Sample

    240315-aj461sdd59

  • MD5

    c9ff8c75fcb257fc874d6f99e0b76255

  • SHA1

    0693569792ca8798936dc41a017fa1478303f4cf

  • SHA256

    526eaa757a7decc4fc63c22a2e32a8300ffaba39fd9c892076bdde8d9478501d

  • SHA512

    6161fb87ee09eaf180a7fdb3b9df9707421749214b343f880d9f8b2b6ed2ab7be3543c5acd28f82e8bcd68ec64286621e24783d7c3f7682e3aa640ae7b071c25

  • SSDEEP

    12288:Pp4pNfz3ymJnJ8QCFkxCaQTOl2KY4vbAfxu/F96sO0:xEtl9mRda1C4kfxuX6sO0

Score
10/10
persistenceransomware

Malware Config

Targets

    • Target

      c9ff8c75fcb257fc874d6f99e0b76255

    • Size

      851KB

    • MD5

      c9ff8c75fcb257fc874d6f99e0b76255

    • SHA1

      0693569792ca8798936dc41a017fa1478303f4cf

    • SHA256

      526eaa757a7decc4fc63c22a2e32a8300ffaba39fd9c892076bdde8d9478501d

    • SHA512

      6161fb87ee09eaf180a7fdb3b9df9707421749214b343f880d9f8b2b6ed2ab7be3543c5acd28f82e8bcd68ec64286621e24783d7c3f7682e3aa640ae7b071c25

    • SSDEEP

      12288:Pp4pNfz3ymJnJ8QCFkxCaQTOl2KY4vbAfxu/F96sO0:xEtl9mRda1C4kfxuX6sO0

    Score
    10/10
    persistenceransomware

    • 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

    • 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