Resubmissions

14-11-2024 18:47

241114-xfbfvs1mdy 10

14-11-2024 18:43

241114-xcy3rasaqm 10

General

  • Target

    Solara.exe

  • Size

    8.5MB

  • Sample

    241114-xfbfvs1mdy

  • MD5

    e2bc46d7bc521a528f31102b4c79327c

  • SHA1

    66a7f9eda5b1a4be4cd8df18658fd6d0e885b8a6

  • SHA256

    aefc3487d439bd87a9de7e5b25d18ab8839096fa6b08e9192c563c6ec0550292

  • SHA512

    080aed5274e3eddd5bc5f8d2b859af20bb281a17d717c418e2f3bb915a5a6f0de1345d56c4cc931a7dd533f8c4cf167c476c73c5228ca3a1ab53ceef424c47ad

  • SSDEEP

    196608:pFHYkDwfI9jUCzi4H1qSiXLGVi7DMgpZ3Q0VMwICEc/jo:BwIHziK1piXLGVE4Ue0VJE

Malware Config

Targets

    • Target

      Solara.exe

    • Size

      8.5MB

    • MD5

      e2bc46d7bc521a528f31102b4c79327c

    • SHA1

      66a7f9eda5b1a4be4cd8df18658fd6d0e885b8a6

    • SHA256

      aefc3487d439bd87a9de7e5b25d18ab8839096fa6b08e9192c563c6ec0550292

    • SHA512

      080aed5274e3eddd5bc5f8d2b859af20bb281a17d717c418e2f3bb915a5a6f0de1345d56c4cc931a7dd533f8c4cf167c476c73c5228ca3a1ab53ceef424c47ad

    • SSDEEP

      196608:pFHYkDwfI9jUCzi4H1qSiXLGVi7DMgpZ3Q0VMwICEc/jo:BwIHziK1piXLGVE4Ue0VJE

    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

    • 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.

    • Drops file in Drivers directory

    • 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.

    • 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.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Blocklisted process makes network request

    • Checks whether UAC is enabled

    • 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.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Drops file in System32 directory

    • 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