Resubmissions

11-08-2024 19:58

240811-ypwc3azbkb 9

Analysis

  • max time kernel
    142s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-08-2024 19:58

General

  • Target

    SolaraV3.dll

  • Size

    6.4MB

  • MD5

    00d1ec7ef2ab88125ce0bd43a3f62d33

  • SHA1

    fde302f1421b94ae4b9e3aaa4cd4d65bcda40789

  • SHA256

    7953e72cb972278e947c83c6a8bdcba35c7f2225566dd1b4fff686077cace832

  • SHA512

    f56086204dc52a44ab35906a2c55dfe3d2418f8034e51664bcdefe44dd7b16a39d8f87dc0650f6e7e5f9d69ef88e1d4826bf2050cc69ecefd01d9bb958b4e8c6

  • SSDEEP

    196608:SGMIUWMIaAKFHsairmB8tm/+YTN5uyezSnC+v3uBg:TRd4qairmBy0+eQyWR+vgg

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Themida packer 5 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • cURL User-Agent 1 IoCs

    Uses User-Agent string associated with cURL utility.

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\SolaraV3.dll,#1
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Blocklisted process makes network request
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    PID:4716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4716-0-0x00007FFB84030000-0x00007FFB84032000-memory.dmp

    Filesize

    8KB

  • memory/4716-2-0x0000000180000000-0x0000000181084000-memory.dmp

    Filesize

    16.5MB

  • memory/4716-3-0x0000000180000000-0x0000000181084000-memory.dmp

    Filesize

    16.5MB

  • memory/4716-1-0x0000000180000000-0x0000000181084000-memory.dmp

    Filesize

    16.5MB

  • memory/4716-4-0x0000000180000000-0x0000000181084000-memory.dmp

    Filesize

    16.5MB

  • memory/4716-5-0x0000000180000000-0x0000000181084000-memory.dmp

    Filesize

    16.5MB