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Overview

overview

7

Static

static

3

Lecture1.exe

windows7-x64

7

Lecture1.exe

windows10-2004-x64

7

Resubmissions

22/01/2024, 23:53

240122-3xe39sefh2 7

Analysis

  • max time kernel
    17s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/01/2024, 23:53

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General

  • Target

    Lecture1.exe

  • Size

    188KB

  • MD5

    122e3ae9475052e416f3e0736f16a30d

  • SHA1

    b19d1ca3d8ddcffc84ae6be8306cf50fba5d7775

  • SHA256

    12d2f3baa485c5ec40bef2ae1c5a9afc885f895e8e915d32433b6882439a99d9

  • SHA512

    ed9e1ea23c8646e2ee715a3dc9f23cf8cbb54864371dbf734466fa751bd06fadcd7bb674bb82e2a76c8385c46a98a8bf3b91be8a81d619399cb71059bffad094

  • SSDEEP

    1536:RDtNKbhY9FNAxQKg+R0Rh77YFBVoyBEv5pVTwVcl:MbytAFgx2FBuyeVTqY

Score
7/10
bootkitpersistence

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Modifies system executable filetype association 2 TTPs 47 IoCs
    persistence
  • Registers COM server for autorun 1 TTPs 64 IoCs
    persistence
  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\Lecture1.exe
    "C:\Users\Admin\AppData\Local\Temp\Lecture1.exe"
    1⤵
    • Checks computer location settings
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3312
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /k reg delete HKCR /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3092
      • C:\Windows\system32\reg.exe
        reg delete HKCR /f
        3⤵
        • Modifies system executable filetype association
        • Registers COM server for autorun
        • Modifies registry class
        PID:1996

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/3312-0-0x0000000000BF0000-0x0000000000C26000-memory.dmp

    Filesize

    216KB

    Download

  • memory/3312-1-0x00007FF8C2540000-0x00007FF8C3001000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3312-2-0x000000001B890000-0x000000001B8A0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/3312-3-0x00007FF8C2540000-0x00007FF8C3001000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3312-4-0x000000001B890000-0x000000001B8A0000-memory.dmp

    Filesize

    64KB

    Download