Overview

overview

10

Static

static

10

2026-03-11...at.exe

windows10-2004-x64

10

2026-03-11...at.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    145s
  • max time network
    157s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    11/03/2026, 12:10

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General

  • Target
    2026-03-11_d376585bd1b92d145b5b82ab2a2ed327_amadey_black-basta_cobalt-strike_elex_glassworm_luca-stealer_lynx_njrat.exe
  • Size 543KB
  • Sample260311-pca2xset51
  • SHA256 9e0eff0c0b484a12c3af35983da9649df8553ee79a5ad8229c8dcc1809f7e395
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
credential_accessdefense_evasiondiscoveryexecutionblackbastaimpactransomwarestealer

Malware Config

Extracted

Path

  • C:\Program Files (x86)\readme.txt

Ransom Note
  • Your data are stolen and encrypted The data will be published on TOR website if you do not pay the ransom You can contact us and decrypt one file for free on this TOR site (you should download and install TOR browser first https://torproject.org) https://aazsbsgya565vlu2c6bzy6yfiebkcbtvvcytvolt33s77xypi7nypxyd.onion:80/ Your company id for log in: ba7a7058-3531-4b67-bae6-d602e9110361
URLs

  • https://aazsbsgya565vlu2c6bzy6yfiebkcbtvvcytvolt33s77xypi7nypxyd.onion:80/

Signatures

  • Black Basta

    A ransomware family targeting Windows and Linux ESXi first seen in February 2022.

    ransomwareblackbasta
  • Blackbasta family
    blackbasta
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Renames multiple (3917) files with added filename extension

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

    ransomware
  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

    credential_accessstealer
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Drops file in Program Files directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Interacts with shadow copies 3 TTPs 1 IoCs

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

    ransomware
  • Modifies registry class 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 3 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\2026-03-11_d376585bd1b92d145b5b82ab2a2ed327_amadey_black-basta_cobalt-strike_elex_glassworm_luca-stealer_lynx_njrat.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-03-11_d376585bd1b92d145b5b82ab2a2ed327_amadey_black-basta_cobalt-strike_elex_glassworm_luca-stealer_lynx_njrat.exe"
    1⤵
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:5672
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Windows\SysNative\vssadmin.exe delete shadows /all /quiet
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1692
      • C:\Windows\system32\vssadmin.exe
        C:\Windows\SysNative\vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:4888
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Windows\System32\vssadmin.exe delete shadows /all /quiet
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5652
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:5868

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        readme.txt
        • Path C:\Program Files (x86)\readme.txt
        • Size 401B
        • SHA256 2967e1d97d32605fc5ace49a10828800fbbefcc1e010f6004a9c88ef3ecdad88
        • MD5 SHA1 SHA512 TLSH
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