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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    09/03/2024, 22:00

General

  • Target

    bce9358187f87db6b269bac3c3e52edc.exe

  • Size

    136KB

  • MD5

    bce9358187f87db6b269bac3c3e52edc

  • SHA1

    08042b0bc6e57a9d006631e35618ea7b97c22dbd

  • SHA256

    1d7339aa3f70900564d27bfa2700063c7f1dbae84a07e3a182ae351c7bba23d0

  • SHA512

    0073ffe9a0631003090f23a0e4862320a37faea3f6edce683d2ff64389227c29aebe3352b82e39a157291ba46ac15484b1a76ea003940f283436690fe77e908a

  • SSDEEP

    3072:lj4SxxPPsMP9xbbrMbvT0q8O1cZPzQ7IXMBc+AMP+QfQEhxFyVU7p6vIE:6SxxPPsMFZwvP6bQ7yMP+DE827MwE

Malware Config

Signatures

  • Modifies security service 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 2 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Windows security modification 2 TTPs 5 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies data under HKEY_USERS 24 IoCs
  • Modifies registry class 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bce9358187f87db6b269bac3c3e52edc.exe
    "C:\Users\Admin\AppData\Local\Temp\bce9358187f87db6b269bac3c3e52edc.exe"
    1⤵
    • Looks for VMWare Tools registry key
    • Writes to the Master Boot Record (MBR)
    • Drops file in Windows directory
    • Modifies registry class
    PID:1720
  • C:\Windows\psure.exe
    "C:\Windows\psure.exe"
    1⤵
    • Modifies security service
    • Windows security bypass
    • Looks for VMWare Tools registry key
    • Deletes itself
    • Executes dropped EXE
    • Windows security modification
    • Writes to the Master Boot Record (MBR)
    • Drops file in System32 directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    PID:2612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\psure.exe

    Filesize

    136KB

    MD5

    bce9358187f87db6b269bac3c3e52edc

    SHA1

    08042b0bc6e57a9d006631e35618ea7b97c22dbd

    SHA256

    1d7339aa3f70900564d27bfa2700063c7f1dbae84a07e3a182ae351c7bba23d0

    SHA512

    0073ffe9a0631003090f23a0e4862320a37faea3f6edce683d2ff64389227c29aebe3352b82e39a157291ba46ac15484b1a76ea003940f283436690fe77e908a

  • memory/1720-0-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/1720-1-0x0000000000250000-0x0000000000280000-memory.dmp

    Filesize

    192KB

  • memory/1720-3-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/1720-2-0x0000000000280000-0x0000000000282000-memory.dmp

    Filesize

    8KB

  • memory/1720-4-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/1720-5-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1720-7-0x00000000002F0000-0x00000000002F1000-memory.dmp

    Filesize

    4KB

  • memory/1720-6-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/1720-8-0x00000000002D0000-0x00000000002D1000-memory.dmp

    Filesize

    4KB

  • memory/1720-9-0x0000000000390000-0x0000000000391000-memory.dmp

    Filesize

    4KB

  • memory/1720-10-0x0000000000300000-0x0000000000301000-memory.dmp

    Filesize

    4KB

  • memory/1720-11-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/1720-28-0x0000000002160000-0x0000000002161000-memory.dmp

    Filesize

    4KB

  • memory/1720-29-0x0000000001F70000-0x0000000001F71000-memory.dmp

    Filesize

    4KB

  • memory/1720-27-0x0000000002170000-0x0000000002171000-memory.dmp

    Filesize

    4KB

  • memory/1720-26-0x0000000002140000-0x0000000002141000-memory.dmp

    Filesize

    4KB

  • memory/1720-25-0x0000000002150000-0x0000000002151000-memory.dmp

    Filesize

    4KB

  • memory/1720-24-0x0000000002120000-0x0000000002121000-memory.dmp

    Filesize

    4KB

  • memory/1720-23-0x0000000002130000-0x0000000002131000-memory.dmp

    Filesize

    4KB

  • memory/1720-22-0x0000000001FC0000-0x0000000001FC1000-memory.dmp

    Filesize

    4KB

  • memory/1720-21-0x0000000001FD0000-0x0000000001FD1000-memory.dmp

    Filesize

    4KB

  • memory/1720-20-0x0000000001FA0000-0x0000000001FA1000-memory.dmp

    Filesize

    4KB

  • memory/1720-19-0x0000000001FB0000-0x0000000001FB1000-memory.dmp

    Filesize

    4KB

  • memory/1720-18-0x0000000001F80000-0x0000000001F81000-memory.dmp

    Filesize

    4KB

  • memory/1720-17-0x0000000001F90000-0x0000000001F91000-memory.dmp

    Filesize

    4KB

  • memory/1720-16-0x0000000001F60000-0x0000000001F61000-memory.dmp

    Filesize

    4KB

  • memory/1720-15-0x0000000001F00000-0x0000000001F01000-memory.dmp

    Filesize

    4KB

  • memory/1720-12-0x0000000001F10000-0x0000000001F11000-memory.dmp

    Filesize

    4KB

  • memory/1720-36-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/1720-38-0x0000000000250000-0x0000000000280000-memory.dmp

    Filesize

    192KB

  • memory/2612-31-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/2612-32-0x00000000002E0000-0x0000000000310000-memory.dmp

    Filesize

    192KB

  • memory/2612-33-0x0000000000310000-0x0000000000311000-memory.dmp

    Filesize

    4KB

  • memory/2612-35-0x0000000000360000-0x0000000000361000-memory.dmp

    Filesize

    4KB

  • memory/2612-39-0x0000000000520000-0x0000000000521000-memory.dmp

    Filesize

    4KB

  • memory/2612-41-0x0000000000760000-0x0000000000761000-memory.dmp

    Filesize

    4KB

  • memory/2612-51-0x0000000002C70000-0x0000000002C71000-memory.dmp

    Filesize

    4KB

  • memory/2612-54-0x0000000002760000-0x0000000002761000-memory.dmp

    Filesize

    4KB

  • memory/2612-53-0x0000000002540000-0x0000000002541000-memory.dmp

    Filesize

    4KB

  • memory/2612-52-0x0000000000500000-0x0000000000501000-memory.dmp

    Filesize

    4KB

  • memory/2612-50-0x0000000002C80000-0x0000000002C81000-memory.dmp

    Filesize

    4KB

  • memory/2612-49-0x0000000002C50000-0x0000000002C51000-memory.dmp

    Filesize

    4KB

  • memory/2612-48-0x0000000002C60000-0x0000000002C61000-memory.dmp

    Filesize

    4KB

  • memory/2612-47-0x0000000002770000-0x0000000002771000-memory.dmp

    Filesize

    4KB

  • memory/2612-46-0x0000000002C40000-0x0000000002C41000-memory.dmp

    Filesize

    4KB

  • memory/2612-45-0x0000000002550000-0x0000000002551000-memory.dmp

    Filesize

    4KB

  • memory/2612-44-0x0000000002530000-0x0000000002531000-memory.dmp

    Filesize

    4KB

  • memory/2612-43-0x00000000024E0000-0x00000000024E1000-memory.dmp

    Filesize

    4KB

  • memory/2612-42-0x0000000001FB0000-0x0000000001FB1000-memory.dmp

    Filesize

    4KB

  • memory/2612-40-0x0000000000740000-0x0000000000741000-memory.dmp

    Filesize

    4KB

  • memory/2612-37-0x0000000000380000-0x0000000000381000-memory.dmp

    Filesize

    4KB

  • memory/2612-34-0x0000000000320000-0x0000000000321000-memory.dmp

    Filesize

    4KB

  • memory/2612-55-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/2612-56-0x00000000002E0000-0x0000000000310000-memory.dmp

    Filesize

    192KB

  • memory/2612-57-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/2612-59-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/2612-60-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/2612-61-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/2612-63-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/2612-64-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/2612-65-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/2612-66-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/2612-67-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/2612-68-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/2612-69-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/2612-70-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/2612-71-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB