Analysis

  • max time kernel
    92s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2022 15:42

General

  • Target

    e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe

  • Size

    151KB

  • MD5

    70894b11181e0bf5529b54ca031249c0

  • SHA1

    ec258c939b302d20488b5b827d34afb5092c52fc

  • SHA256

    e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2

  • SHA512

    40c0ace3ae75485e36fc9b485fb06fd57864f09c1ade1163914b7925332eb5ccee1c19b8e5bdd144f235d9cd5676297e7f01d2c26195d2b7162a0477ade117a0

  • SSDEEP

    3072:r2zwO+l8x4tWcvcc0ansSnYMIzds6IZj1pX154/5:r2z5IWOcc0asDD41T54/5

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe
    "C:\Users\Admin\AppData\Local\Temp\e4d1d74754aed5c9b7b259c1a756abb238814fdbd189b308a207dc2a544b38e2.exe"
    1⤵
    • Modifies visibility of file extensions in Explorer
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops autorun.inf file
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    PID:4816
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4816 -s 728
      2⤵
      • Program crash
      PID:4480
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 4816 -ip 4816
    1⤵
      PID:5048

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4816-132-0x0000000000400000-0x0000000000416000-memory.dmp

      Filesize

      88KB

    • memory/4816-133-0x0000000000400000-0x0000000000416000-memory.dmp

      Filesize

      88KB