General

  • Target

    Hellion.exe

  • Size

    38.7MB

  • Sample

    250217-2wmlaatrd1

  • MD5

    249ad37eccaba9e015040b22489d9beb

  • SHA1

    42d8416fff861d7b742ee6647c5e1133a5d24b9c

  • SHA256

    4a71cf14a9138192330a03fb9e181701c680156d4f7bf05eff833c9c95c8680b

  • SHA512

    a81cdfa4a8c38d7734daa660c4104aab141815a86d56ae4fa5c92ad805fdd5710e137c1d163557049d420fe79de3c40ad682981f89796422226beb4c4b16367b

  • SSDEEP

    786432:+mU+l7YzYSR3BA15AKiARyKVVMkMZhoDw3sAYlfSKSq0GxC:+mJwR3Bg2KtRyKvfMZaxAYlfOGxC

Malware Config

Targets

    • Target

      Hellion.exe

    • Size

      38.7MB

    • MD5

      249ad37eccaba9e015040b22489d9beb

    • SHA1

      42d8416fff861d7b742ee6647c5e1133a5d24b9c

    • SHA256

      4a71cf14a9138192330a03fb9e181701c680156d4f7bf05eff833c9c95c8680b

    • SHA512

      a81cdfa4a8c38d7734daa660c4104aab141815a86d56ae4fa5c92ad805fdd5710e137c1d163557049d420fe79de3c40ad682981f89796422226beb4c4b16367b

    • SSDEEP

      786432:+mU+l7YzYSR3BA15AKiARyKVVMkMZhoDw3sAYlfSKSq0GxC:+mJwR3Bg2KtRyKvfMZaxAYlfOGxC

    • Exela Stealer

      Exela Stealer is an open source stealer originally written in .NET and later transitioned to Python that was first observed in August 2023.

    • Exelastealer family

    • Grants admin privileges

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

    • Renames multiple (102) files with added filename extension

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

    • Blocklisted process makes network request

    • Modifies Windows Firewall

    • 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

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Checks installed software on the system

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

    • 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.

    • Network Service Discovery

      Attempt to gather information on host's network.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • Hide Artifacts: Hidden Files and Directories

MITRE ATT&CK Enterprise v15

Tasks