General

  • Target

    SolaraV3.exe

  • Size

    10.0MB

  • Sample

    250122-wg71saxqdy

  • MD5

    c842c92e0f6c35fac35311e609b89f0b

  • SHA1

    db58748fac5372dc4648a08765352cfc6dad59ef

  • SHA256

    fab1dac490d27a14ae7ddde7c9837b64dfb84e28e6d6b4a6f650f6aff3d5b350

  • SHA512

    4353cb9463b1eb6db6288b1add399d5f05858833bf72d04c7bc70270602019eb7134f55a0e44cbc92fe0d27ef519726f09f3f0621d05c07f3e99a884ede07804

  • SSDEEP

    196608:vGD+kdlYvI3SnGK2Fjtwkvi3xPQDwfI9jUCBB7m+mKOY7rXrZusooDmhfvsbnTNp:u5rM9j2FjWkIowIHL7HmBYXrYoaUNp

Malware Config

Targets

    • Target

      SolaraV3.exe

    • Size

      10.0MB

    • MD5

      c842c92e0f6c35fac35311e609b89f0b

    • SHA1

      db58748fac5372dc4648a08765352cfc6dad59ef

    • SHA256

      fab1dac490d27a14ae7ddde7c9837b64dfb84e28e6d6b4a6f650f6aff3d5b350

    • SHA512

      4353cb9463b1eb6db6288b1add399d5f05858833bf72d04c7bc70270602019eb7134f55a0e44cbc92fe0d27ef519726f09f3f0621d05c07f3e99a884ede07804

    • SSDEEP

      196608:vGD+kdlYvI3SnGK2Fjtwkvi3xPQDwfI9jUCBB7m+mKOY7rXrZusooDmhfvsbnTNp:u5rM9j2FjWkIowIHL7HmBYXrYoaUNp

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Event Triggered Execution: Image File Execution Options Injection

    • Checks BIOS information in registry

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

    • 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • 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 Share Discovery

      Attempt to gather information on host network.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Checks system information in the registry

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

    • Enumerates processes with tasklist

    • Hide Artifacts: Hidden Files and Directories

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks