Analysis

  • max time kernel
    93s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2024 04:17

General

  • Target

    syscfg.dll

  • Size

    4.4MB

  • MD5

    05d97df4a0a9d9a0deb77962b078f2c4

  • SHA1

    1e567968b02cb186db581c1e0578d2172310aa35

  • SHA256

    be09f9622ce35837ed44504987dc0529a9c482a8c2dd4afcb0f0edbb51039897

  • SHA512

    710d17955b6a61bbaccc8155d7aea47890bfe2b9165c612b878a1b45382e0a2315c4a5599f5475da662b65e6c7f1306f2becc48877816f99945c357f12180c2f

  • SSDEEP

    98304:/wiJWxaUYlvqWvphL8qYVf42HXrgEM8viMLbojB5:/wiFqwvOfTHbLpHojB5

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 8 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\syscfg.dll,#1
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    PID:3152

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/3152-0-0x00007FF8D3E10000-0x00007FF8D4A07000-memory.dmp

    Filesize

    12.0MB

  • memory/3152-3-0x00007FF8D3E10000-0x00007FF8D4A07000-memory.dmp

    Filesize

    12.0MB

  • memory/3152-2-0x00007FF8D3E10000-0x00007FF8D4A07000-memory.dmp

    Filesize

    12.0MB

  • memory/3152-1-0x00007FF8D3E10000-0x00007FF8D4A07000-memory.dmp

    Filesize

    12.0MB

  • memory/3152-4-0x00007FF8D3E10000-0x00007FF8D4A07000-memory.dmp

    Filesize

    12.0MB

  • memory/3152-6-0x00007FF8D3E10000-0x00007FF8D4A07000-memory.dmp

    Filesize

    12.0MB

  • memory/3152-5-0x00007FF8D3E10000-0x00007FF8D4A07000-memory.dmp

    Filesize

    12.0MB

  • memory/3152-8-0x00007FF8F2250000-0x00007FF8F2252000-memory.dmp

    Filesize

    8KB

  • memory/3152-7-0x00007FF8D3E10000-0x00007FF8D4A07000-memory.dmp

    Filesize

    12.0MB