Analysis

  • max time kernel
    150s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/10/2023, 12:45

General

  • Target

    56ad070fa14e9174210b7ff37afb8d572d1de3b6c71a93f28b9311da1b0ba0bf.exe

  • Size

    5.9MB

  • MD5

    10fffa0484caf5b12411ad188a12df5b

  • SHA1

    470a7724048585dac6da90c678fe7e609150b8d0

  • SHA256

    56ad070fa14e9174210b7ff37afb8d572d1de3b6c71a93f28b9311da1b0ba0bf

  • SHA512

    9d6699c2e7b1066c0bad8813fc6d6097bb56169f3df113b28293a4303ed7e413637cd9e39b1a8427047e8a73a3bdd84cf3f0d9dd9909fa8c92e03949f372bb56

  • SSDEEP

    98304:CmScH31urVCWtzSKkRNc0xqcB27OgUWZHwJ2uJBAUZLcRkf:+rVCWtdkRNvxP2sWAJV4kf

Malware Config

Signatures

  • Downloads MZ/PE file
  • Loads dropped DLL 1 IoCs
  • UPX packed file 27 IoCs

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

  • 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.

  • Suspicious use of SetWindowsHookEx 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\56ad070fa14e9174210b7ff37afb8d572d1de3b6c71a93f28b9311da1b0ba0bf.exe
    "C:\Users\Admin\AppData\Local\Temp\56ad070fa14e9174210b7ff37afb8d572d1de3b6c71a93f28b9311da1b0ba0bf.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of SetWindowsHookEx
    PID:4796

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\ExuiKrnln_Win32_20230421.lib

    Filesize

    1.5MB

    MD5

    ef48d7cc52338513cc0ce843c5e3916b

    SHA1

    20965d86b7b358edf8b5d819302fa7e0e6159c18

    SHA256

    835bfef980ad0cedf10d8ade0cf5671d9f56062f2b22d0a0547b07772ceb25a8

    SHA512

    fd4602bd487eaad5febb5b3e9d8fe75f4190d1e44e538e7ae2d2129087f35b72b254c85d7335a81854aa2bdb4f0f2fa22e02a892ee23ac57b78cdd03a79259b9

  • memory/4796-32-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/4796-0-0x0000000000400000-0x0000000000A46000-memory.dmp

    Filesize

    6.3MB

  • memory/4796-3-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/4796-5-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/4796-6-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/4796-8-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/4796-10-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/4796-12-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/4796-14-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/4796-16-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/4796-18-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/4796-20-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/4796-22-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/4796-24-0x0000000002B60000-0x0000000002B6B000-memory.dmp

    Filesize

    44KB

  • memory/4796-28-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/4796-26-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/4796-4-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/4796-30-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/4796-34-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/4796-36-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/4796-38-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/4796-40-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/4796-42-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/4796-44-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/4796-46-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/4796-48-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/4796-49-0x0000000002B80000-0x0000000002B81000-memory.dmp

    Filesize

    4KB

  • memory/4796-52-0x0000000002CB0000-0x0000000002CB1000-memory.dmp

    Filesize

    4KB

  • memory/4796-54-0x0000000002CD0000-0x0000000002CD1000-memory.dmp

    Filesize

    4KB

  • memory/4796-53-0x0000000010000000-0x000000001003E000-memory.dmp

    Filesize

    248KB

  • memory/4796-55-0x0000000002CC0000-0x0000000002CC1000-memory.dmp

    Filesize

    4KB

  • memory/4796-2-0x0000000002B60000-0x0000000002B6B000-memory.dmp

    Filesize

    44KB

  • memory/4796-76-0x0000000006220000-0x0000000006221000-memory.dmp

    Filesize

    4KB

  • memory/4796-78-0x0000000006210000-0x0000000006211000-memory.dmp

    Filesize

    4KB

  • memory/4796-92-0x0000000000400000-0x0000000000A46000-memory.dmp

    Filesize

    6.3MB