Overview

overview

10

Static

static

3

2026-01-10...ti.exe

windows10-2004-x64

10

2026-01-10...ti.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20251231-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20251231-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/01/2026, 02:07

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General

  • Target
    2026-01-10_1d6f7f8565c5c5978e3bac65736cdbe0_conti.exe
  • Size 358KB
  • Sample260110-ckbbfaa17h
  • SHA256 81344d0d8040a55e059b0145164039c82159517be492fb75b179b6423aa51419
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
credential_accessdefense_evasiondiscoveryexecutionbabukimpactransomwarespywarestealer

Malware Config

Signatures

  • Babuk Locker

    RaaS first seen in 2021 initially called Vasa Locker.

    ransomwarebabuk
  • Babuk family
    babuk
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (2320) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

    credential_accessstealer
  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

    discovery
  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 3 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • 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\2026-01-10_1d6f7f8565c5c5978e3bac65736cdbe0_conti.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-01-10_1d6f7f8565c5c5978e3bac65736cdbe0_conti.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Enumerates connected drives
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:4204
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4680
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:4508
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4608
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
    1⤵
      PID:3528
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:4460

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          StartUnifiedTileModelCache.dat
          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\StartUnifiedTileModelCache.dat
          • Size 21KB
          • SHA256 5df7426b1ec23a03d75f82f7bea18bdcc7fa3aaf06cd93e4b78a5f341678e19b
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          StartUnifiedTileModelCache.dat
          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\StartUnifiedTileModelCache.dat
          • Size 23KB
          • SHA256 f0cb00585f5e5acaf157b85014eebd8968034b846e100675da8a47c50453f103
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          Como restaurar seus arquivos.txt
          • Path F:\Como restaurar seus arquivos.txt
          • Size 1KB
          • SHA256 8395d7bad7ba2adc14d41fcc899ca7d92de2b5f59b1f61700531a13b3f44f27f
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          memory/4204-64-0x00007FF61BCB0000-0x00007FF61BD03000-memory.dmp
          Download