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Overview

overview

10

Static

static

b51b254b54...4c.exe

windows7-x64

10

b51b254b54...4c.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    95s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/11/2022, 16:39

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General

  • Target

    b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe

  • Size

    151KB

  • MD5

    0e4fc68ce6e942038f3dc9d3376f3179

  • SHA1

    4fda41f3189451e6e733584f5988abd60cf501ce

  • SHA256

    b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c

  • SHA512

    7b7283b683dc90b6dd0905c5a621947452c2edb1d73e48507961f3dba7fa23777d376aa46d87955d572fbc7639dedc224e286992f58f5b60fdc2481064c751f9

  • SSDEEP

    3072:DLm+P8VzL/p/LwXRtWyOXLvxgWQS84IBNGqSd/:3B89h0RtWyGjxgWvsNGR/

Score
10/10
evasionpersistence

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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\b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.exe
    "C:\Users\Admin\AppData\Local\Temp\b51b254b54c4ef3c501cb7516aa6971532b7bf8b86b331cefa77703a181f834c.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:2004
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 724
      2⤵
      • Program crash
      PID:4912
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2004 -ip 2004
    1⤵
      PID:3448

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/2004-132-0x0000000000400000-0x0000000000416000-memory.dmp

      Filesize

      88KB

      Download

    • memory/2004-133-0x0000000000400000-0x0000000000416000-memory.dmp

      Filesize

      88KB

      Download