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General

  • Target

    astral.zip

  • Size

    5.0MB

  • Sample

    250203-qmt38atpen

  • MD5

    99f1133043b27927628725cdedab82fc

  • SHA1

    5c5eff02b8cd8468638712cef2f58df38b678c8a

  • SHA256

    cf0b47eafa7787a698bc8dbb62d18f1d16d0659ff7bd7e6312ccb50b08b754b6

  • SHA512

    62c751ef8d6f4977f8eaca662213532eacbcd14debdab16f85c4750e5385d78f55ed8f24a929aba82a719e4fda429be61e15a109bf26178f887636465b4b4497

  • SSDEEP

    98304:VKq8KgB9itUfnBgeOCR3zyISfP/5Jyb6LswnFbkcoIyeU6t:VKq8KS9itUfnBgeOC1zan5J9LLoLIf

Malware Config

Targets

    • Target

      astral.zip

    • Size

      5.0MB

    • MD5

      99f1133043b27927628725cdedab82fc

    • SHA1

      5c5eff02b8cd8468638712cef2f58df38b678c8a

    • SHA256

      cf0b47eafa7787a698bc8dbb62d18f1d16d0659ff7bd7e6312ccb50b08b754b6

    • SHA512

      62c751ef8d6f4977f8eaca662213532eacbcd14debdab16f85c4750e5385d78f55ed8f24a929aba82a719e4fda429be61e15a109bf26178f887636465b4b4497

    • SSDEEP

      98304:VKq8KgB9itUfnBgeOCR3zyISfP/5Jyb6LswnFbkcoIyeU6t:VKq8KS9itUfnBgeOC1zan5J9LLoLIf

    • Growtopia

      Growtopa is an opensource modular stealer written in C#.

    • Growtopia family

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

MITRE ATT&CK Enterprise v15

Tasks