Analysis

  • max time kernel
    70s
  • max time network
    75s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-09-2024 05:28

General

  • Target

    _protected.exe

  • Size

    15.3MB

  • MD5

    5bc9c103742fa7e457e906e07832c395

  • SHA1

    142c19a8f1dd419ce9c2f251cbc263b8abf476de

  • SHA256

    9030098c9b2ecabe713d76727ccc2be79663d55716644446bb1482d948697e17

  • SHA512

    1633349abd47715ed0804cb08798e9b12c862fe4239953de21481a07de502d13be74879e8ce7a962c1c68e1c967b47337095cc7458c40e702023d6f241536221

  • SSDEEP

    196608:/tp+pRF2L2DOMpQJ7c/9VI33COUkbHIHfE6wO0vEuM3Op9MnYQcHh/fT+X2DjL:SpRVhpQVc1SnzUkYE8SEb3gHpDjL

Malware Config

Extracted

Family

skuld

C2

https://discord.com/api/webhooks/1279552508578238534/-lGdkw-tDuy6Wd-I7APMhPnY3Tp2Oh3ZxzkvZFiG36eu6-pHpBKf4a2y4W0ZpaNYzcmk

Signatures

  • Skuld stealer

    An info stealer written in Go lang.

  • 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\_protected.exe
    "C:\Users\Admin\AppData\Local\Temp\_protected.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
    PID:3296

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3296-0-0x00007FFC28EF0000-0x00007FFC28EF2000-memory.dmp

    Filesize

    8KB

  • memory/3296-1-0x0000000000400000-0x00000000019DB000-memory.dmp

    Filesize

    21.9MB

  • memory/3296-2-0x0000000000400000-0x00000000019DB000-memory.dmp

    Filesize

    21.9MB

  • memory/3296-4-0x0000000000400000-0x00000000019DB000-memory.dmp

    Filesize

    21.9MB

  • memory/3296-7-0x0000000000400000-0x00000000019DB000-memory.dmp

    Filesize

    21.9MB

  • memory/3296-8-0x0000000000400000-0x00000000019DB000-memory.dmp

    Filesize

    21.9MB

  • memory/3296-9-0x0000000000400000-0x00000000019DB000-memory.dmp

    Filesize

    21.9MB

  • memory/3296-6-0x0000000000400000-0x00000000019DB000-memory.dmp

    Filesize

    21.9MB

  • memory/3296-3-0x0000000000400000-0x00000000019DB000-memory.dmp

    Filesize

    21.9MB

  • memory/3296-5-0x0000000000400000-0x00000000019DB000-memory.dmp

    Filesize

    21.9MB

  • memory/3296-10-0x0000000000400000-0x00000000019DB000-memory.dmp

    Filesize

    21.9MB

  • memory/3296-11-0x0000000000400000-0x00000000019DB000-memory.dmp

    Filesize

    21.9MB

  • memory/3296-12-0x0000000000400000-0x00000000019DB000-memory.dmp

    Filesize

    21.9MB