Overview

overview

8

Static

static

3

13e4d94c6e...a7.exe

windows7-x64

13e4d94c6e...a7.exe

windows10-2004-x64

Analysis

  • max time kernel
    81s
  • max time network
    83s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-01-2024 15:35

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Errors

Reason
Machine shutdown
Report Analysis Logs

General

  • Target

    13e4d94c6e8f01b33747e22de13378da66dd2839e5962f635fa5cc8316f797a7.exe

  • Size

    1.7MB

  • MD5

    f88430dd51bb0076e36479d9d6419d11

  • SHA1

    4ceb5ea07b2f014bfa77c309341dae4a5829f69f

  • SHA256

    13e4d94c6e8f01b33747e22de13378da66dd2839e5962f635fa5cc8316f797a7

  • SHA512

    f9df0401af6a44f1186142227fcb509a57385c62f351502af528828d7bdfe6f2d284b0bc0325232a9df2982956bc78579e2d3f2eea559d46477b965ea86706db

  • SSDEEP

    24576:+eC1s1AwCUZP9Te9TIkTTZaqdiXSp0c02uFG6dAk3HMCc9Xtv:+N1GCUHyTIkTTZaqdwk0c05HGijcjv

Score
8/10
bootkitevasionpersistenceupx

Malware Config

Signatures

  • Disables Task Manager via registry modification
    evasion
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\13e4d94c6e8f01b33747e22de13378da66dd2839e5962f635fa5cc8316f797a7.exe
    "C:\Users\Admin\AppData\Local\Temp\13e4d94c6e8f01b33747e22de13378da66dd2839e5962f635fa5cc8316f797a7.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4456
    • C:\Windows\SysWOW64\shutdown.exe
      shutdown.exe -s -t 60
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1636
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:1680
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:4120
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x4 /state0:0xa3900855 /state1:0x41c64e6d
    1⤵
      PID:4968

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\SkinH_EL.dll
      Filesize

      86KB

      MD5

      147127382e001f495d1842ee7a9e7912

      SHA1

      92d1ed56032183c75d4b57d7ce30b1c4ae11dc9b

      SHA256

      edf679c02ea2e170e67ab20dfc18558e2bfb4ee5d59eceeaea4b1ad1a626c3cc

      SHA512

      97f5ae90a1bbacfe39b9e0f2954c24f9896cc9dca9d14364c438862996f3bbc04a4aa515742fccb3679d222c1302f5bb40c7eaddd6b5859d2d6ef79490243a4d

      Download Submit

    • memory/4456-7-0x0000000010000000-0x000000001003D000-memory.dmp

      Filesize

      244KB

      Download

    • memory/4456-8-0x0000000010000000-0x000000001003D000-memory.dmp

      Filesize

      244KB

      Download

    • memory/4456-5-0x0000000010000000-0x000000001003D000-memory.dmp

      Filesize

      244KB

      Download

    • memory/4456-9-0x0000000010000000-0x000000001003D000-memory.dmp

      Filesize

      244KB

      Download