Analysis

  • max time kernel
    90s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-09-2024 07:22

General

  • Target

    syscfg.dll

  • Size

    5.4MB

  • MD5

    742f1cee0055e6cd5efb4c9c189e67fc

  • SHA1

    15810c4034df74659c2b70d49de693b0e8bd021c

  • SHA256

    4a7d70f8c6e7286606f5cd78b38d84e1558e303da6c51e63dc48ff3ce55b3ed3

  • SHA512

    3beb8d2b548be6d078920d7634a7f335e1adf27c27e135971c177e76cb0e27506d8aadaca58ee8baf362f284c36afc8bac8cf48bf2cff56d747053a7625ea020

  • SSDEEP

    98304:I28M284gsA5EtsVitbdwl1PSE4dtOc04zpo0FnquMsO7xJdam9o1mq:L8MqgszkCbduZhc0yoMM7BaUtq

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 7 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 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
    • Suspicious behavior: EnumeratesProcesses
    PID:1432

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1432-1-0x00007FF9F6DD0000-0x00007FF9F6DD2000-memory.dmp

    Filesize

    8KB

  • memory/1432-0-0x00007FF9D8860000-0x00007FF9D9799000-memory.dmp

    Filesize

    15.2MB

  • memory/1432-2-0x00007FF9D8860000-0x00007FF9D9799000-memory.dmp

    Filesize

    15.2MB

  • memory/1432-3-0x00007FF9D8860000-0x00007FF9D9799000-memory.dmp

    Filesize

    15.2MB

  • memory/1432-4-0x00007FF9D8860000-0x00007FF9D9799000-memory.dmp

    Filesize

    15.2MB

  • memory/1432-5-0x00007FF9D8860000-0x00007FF9D9799000-memory.dmp

    Filesize

    15.2MB

  • memory/1432-7-0x00007FF9D8860000-0x00007FF9D9799000-memory.dmp

    Filesize

    15.2MB

  • memory/1432-6-0x00007FF9D8860000-0x00007FF9D9799000-memory.dmp

    Filesize

    15.2MB