Overview

overview

10

Static

static

3

139231a2b6...b6.exe

windows7-x64

10

139231a2b6...b6.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    139231a2b6bd765a0a0f315270f255b6

  • Size

    704KB

  • Sample

    231230-kjcrwabfhj

  • MD5

    139231a2b6bd765a0a0f315270f255b6

  • SHA1

    a9995484a3ebc3eeb1ee2ceea8e88016eaf07cea

  • SHA256

    e39d180c833e4047aa2ab2b8fa6f2e2e47d078739740889a77ce0bbe32f282d8

  • SHA512

    120c134e52e1e44c47137937db93165494a2c2bbb16f2d1dc5de676478029122b9a54d8d005cfbeee8ed89172eea0bf3429f690a4737913ce3f6039caa508957

  • SSDEEP

    12288:gp4pNfz3ymJnJ8QCFkxCaQTOl2GVq/ZFhTohS1:aEtl9mRda1VI/ZFhTohS1

Score
10/10
persistenceransomware

Malware Config

Targets

    • Target

      139231a2b6bd765a0a0f315270f255b6

    • Size

      704KB

    • MD5

      139231a2b6bd765a0a0f315270f255b6

    • SHA1

      a9995484a3ebc3eeb1ee2ceea8e88016eaf07cea

    • SHA256

      e39d180c833e4047aa2ab2b8fa6f2e2e47d078739740889a77ce0bbe32f282d8

    • SHA512

      120c134e52e1e44c47137937db93165494a2c2bbb16f2d1dc5de676478029122b9a54d8d005cfbeee8ed89172eea0bf3429f690a4737913ce3f6039caa508957

    • SSDEEP

      12288:gp4pNfz3ymJnJ8QCFkxCaQTOl2GVq/ZFhTohS1:aEtl9mRda1VI/ZFhTohS1

    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