Overview

overview

9

Static

static

yf133_xqd.exe

windows7-x64

9

yf133_xqd.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    188s
  • max time network
    168s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 21:55

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General

  • Target

    yf133_xqd.exe

  • Size

    1.1MB

  • MD5

    16197ff4dc344c4f453ac2430980e0e3

  • SHA1

    e06699d62594c203323b28c66b563fac18a69256

  • SHA256

    660762a96229ef478fcc798128396472513ab24a29798ebf6522b301b8123f9e

  • SHA512

    c7f285377cb9953ef30910a8f2c658bff770f909a499be8b59f92adfb0fb1f344f5c2d1751058f88ff2da9e4a057728695b1bab48b373861ad0aec401abf40bd

  • SSDEEP

    24576:CkuKcCxfJ+Cop1DJjFOrCr3LQHwra/LvG3y:CkvB+1v7rkQCp

Score
9/10
bootkitpersistenceupx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • UPX packed file 2 IoCs

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

    upx
  • Loads dropped DLL 1 IoCs
  • 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
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\yf133_xqd.exe
    "C:\Users\Admin\AppData\Local\Temp\yf133_xqd.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1992

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Bootkit

1
T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\AntiVC.dll
    Filesize

    42KB

    MD5

    d7d0661ef693c8aceebcc52ffc620c9b

    SHA1

    9b6f144ab58736d7ae685985727572a008d28fbe

    SHA256

    dbeceadf49a2e2a33af612d08938cd78951eea7038e09952c032bd70dd25a1f4

    SHA512

    babed456f3b994ce915a310d29b303dfb870c6474a750fc04f695d71fa51394869c2e578d5d33e750c83ee161b77c1a1e459b5e9813b12e83bd7ab8f2b080c6a

    Download Submit
  • memory/1992-54-0x0000000076121000-0x0000000076123000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1992-56-0x0000000010000000-0x0000000010046000-memory.dmp
    Filesize

    280KB

    Download