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Resubmissions

30/04/2024, 20:16

240430-y2dzjsgh59 9

30/04/2024, 14:45

240430-r4ycmshc4x 9

Analysis

  • max time kernel
    74s
  • max time network
    76s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/04/2024, 14:45

General

  • Target

    SimuliaLicensePatcher.exe

  • Size

    7.7MB

  • MD5

    4bca154d91fa2592f11f730988a106cd

  • SHA1

    c244e509538a64f6e4ccd41d13b808f4f9bcda0b

  • SHA256

    085e02519e34bbd0428bdc818ed5dc30fa987c4914f9b5bd9ca1b5e404fbf738

  • SHA512

    d70cb3ba385dbda8a1b7a763aaa4c093f8f912e7bfb5d955b64cfcb34f6c280ab3a4d47acc59d4b67f9791f194b88bb9697d177b9aced8850e3bcde13bd00124

  • SSDEEP

    196608:LytYizJjKD9Y4o5aBV2uzE0FQxidgM4RwZ+:mxe9UiVpZaIdMRp

Malware Config

Signatures

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

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

  • Themida packer 15 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SimuliaLicensePatcher.exe
    "C:\Users\Admin\AppData\Local\Temp\SimuliaLicensePatcher.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    PID:2400

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2400-0-0x0000000000210000-0x000000000138E000-memory.dmp

    Filesize

    17.5MB

  • memory/2400-3-0x00000000769F0000-0x0000000076AE0000-memory.dmp

    Filesize

    960KB

  • memory/2400-2-0x00000000769F0000-0x0000000076AE0000-memory.dmp

    Filesize

    960KB

  • memory/2400-1-0x00000000769F0000-0x0000000076AE0000-memory.dmp

    Filesize

    960KB

  • memory/2400-4-0x00000000769F0000-0x0000000076AE0000-memory.dmp

    Filesize

    960KB

  • memory/2400-5-0x00000000769F0000-0x0000000076AE0000-memory.dmp

    Filesize

    960KB

  • memory/2400-6-0x0000000077794000-0x0000000077796000-memory.dmp

    Filesize

    8KB

  • memory/2400-10-0x0000000000210000-0x000000000138E000-memory.dmp

    Filesize

    17.5MB

  • memory/2400-11-0x0000000000210000-0x000000000138E000-memory.dmp

    Filesize

    17.5MB

  • memory/2400-12-0x00000000064A0000-0x0000000006A44000-memory.dmp

    Filesize

    5.6MB

  • memory/2400-13-0x0000000005E30000-0x0000000005EC2000-memory.dmp

    Filesize

    584KB

  • memory/2400-14-0x0000000005F00000-0x0000000005F0A000-memory.dmp

    Filesize

    40KB

  • memory/2400-16-0x0000000010000000-0x0000000010865000-memory.dmp

    Filesize

    8.4MB

  • memory/2400-15-0x0000000010000000-0x0000000010865000-memory.dmp

    Filesize

    8.4MB

  • memory/2400-26-0x0000000010000000-0x0000000010865000-memory.dmp

    Filesize

    8.4MB

  • memory/2400-27-0x0000000010000000-0x0000000010865000-memory.dmp

    Filesize

    8.4MB

  • memory/2400-28-0x0000000010000000-0x0000000010865000-memory.dmp

    Filesize

    8.4MB

  • memory/2400-31-0x0000000010000000-0x0000000010865000-memory.dmp

    Filesize

    8.4MB

  • memory/2400-33-0x0000000010000000-0x0000000010865000-memory.dmp

    Filesize

    8.4MB

  • memory/2400-34-0x0000000010000000-0x0000000010865000-memory.dmp

    Filesize

    8.4MB

  • memory/2400-32-0x0000000010000000-0x0000000010865000-memory.dmp

    Filesize

    8.4MB

  • memory/2400-30-0x0000000010000000-0x0000000010865000-memory.dmp

    Filesize

    8.4MB

  • memory/2400-29-0x0000000010000000-0x0000000010865000-memory.dmp

    Filesize

    8.4MB

  • memory/2400-35-0x0000000010000000-0x0000000010865000-memory.dmp

    Filesize

    8.4MB

  • memory/2400-37-0x0000000000210000-0x000000000138E000-memory.dmp

    Filesize

    17.5MB

  • memory/2400-38-0x00000000769F0000-0x0000000076AE0000-memory.dmp

    Filesize

    960KB

  • memory/2400-40-0x00000000769F0000-0x0000000076AE0000-memory.dmp

    Filesize

    960KB

  • memory/2400-41-0x00000000769F0000-0x0000000076AE0000-memory.dmp

    Filesize

    960KB

  • memory/2400-43-0x00000000769F0000-0x0000000076AE0000-memory.dmp

    Filesize

    960KB

  • memory/2400-42-0x00000000769F0000-0x0000000076AE0000-memory.dmp

    Filesize

    960KB

  • memory/2400-44-0x0000000010000000-0x0000000010865000-memory.dmp

    Filesize

    8.4MB

  • memory/2400-46-0x0000000005FA0000-0x0000000005FB0000-memory.dmp

    Filesize

    64KB

  • memory/2400-49-0x0000000005FA0000-0x0000000005FB0000-memory.dmp

    Filesize

    64KB