Extracted

• • Target

    Infected.exe

  • Size

    63KB

  • MD5

    7b95fc50b453f9f32fdbdfc533913178

  • SHA1

    66a9fef38f777a4ec3990913800a682d2c2707f6

  • SHA256

    3e1659e4ec253e1377e6c142e33e71f13b8c7d0021f0dab2178fd9610ec18214

  • SHA512

    7fb8efa7471fdefe3a8fc9f7ca80c7c182a4319e428d28e42ccedecf4e772322f587a2545202bc94e7b3c13c4916d4c655d55b81792e771b6ec4211ca285a07f

  • SSDEEP

    768:Cm0vnfEXf78awC8A+XU2azcBRL5JTk1+T4KSBGHmDbD/ph0oXiaBtFSPWSusdpqM:qEXiLdSJYUbdh9VuusdpqKmY7

  Score

  10^/10

  asyncratstealeriumdefaultcollectioncredential_accessdiscoveryexecutionpersistenceprivilege_escalationransomwareratspywarestealer

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

    ratasyncrat

  • Asyncrat family

    asyncrat

  • Stealerium

    An open source info stealer written in C# first seen in May 2022.

    stealerstealerium

  • Stealerium family

    stealerium

  • Grants admin privileges

    Uses net.exe to modify the user's privileges.

  • Renames multiple (3676) files with added filename extension

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

    ransomware

  • Boot or Logon Autostart Execution: Active Setup

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence

  • Checks computer location settings

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

  • Credentials from Password Stores: Windows Credential Manager

    Suspicious access to Credentials History.

    credential_accessstealer

  • Executes dropped EXE

  • Reads user/profile data of web browsers

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

    spywarestealer

  • Accesses Microsoft Outlook profiles

    collection

  • Adds Run key to start application

    persistence

  • Drops desktop.ini file(s)

  • Enumerates connected drives

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

  • Looks up external IP address via web service

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Looks up geolocation information via web service

    Uses a legitimate geolocation service to find the infected system's geolocation info.

  • Network Service Discovery

    Attempt to gather information on host's network.

    discovery

  • Command and Scripting Interpreter: PowerShell

    Start PowerShell.

    execution

  • Enumerates processes with tasklist

    discovery

  • Sets desktop wallpaper using registry

    ransomware

  • Suspicious use of SetThreadContext

  behavioral1