Analysis

  • max time kernel
    87s
  • max time network
    179s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-12-2022 13:40

General

  • Target

    Setup.exe

  • Size

    427MB

  • MD5

    9d2b9885fdb0885ac11bd944c86c4655

  • SHA1

    eeeebef1fd514f1b697158c990ba94b9c752374c

  • SHA256

    ef70efe0a3cd860831657fa7ee8d832d49c8d8489df4b35d2480cc043bbb1b04

  • SHA512

    6ca0fe74cec6b22e9d9da927614cfed8440d153f8852fc938b7f156b95c29ddca7b652557635ebb6aa7197ad37c0a09d475deedddc44316ddac929cdac7b4813

  • SSDEEP

    98304:b8vH233wZUFkCNauJm+UPp7WMZwa/jOTN:bowwP+UxaMZxbOT

Malware Config

Extracted

Family

raccoon

Botnet

b4f472421ce1f18efd9f610339c3dae1

C2

http://77.73.134.30/

rc4.plain

Signatures

  • Raccoon

    Raccoon is an infostealer written in C++ and first seen in 2019.

  • 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 2 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 use of SetThreadContext 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.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
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4620
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
      2⤵
        PID:3372

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Virtualization/Sandbox Evasion

    1
    T1497

    Discovery

    Query Registry

    2
    T1012

    Virtualization/Sandbox Evasion

    1
    T1497

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3372-137-0x0000000000400000-0x000000000041A000-memory.dmp
      Filesize

      104KB

    • memory/3372-138-0x00000000004088B5-mapping.dmp
    • memory/3372-143-0x0000000000400000-0x000000000041A000-memory.dmp
      Filesize

      104KB

    • memory/3372-144-0x0000000000400000-0x000000000041A000-memory.dmp
      Filesize

      104KB

    • memory/4620-132-0x0000000000D90000-0x0000000001742000-memory.dmp
      Filesize

      9MB

    • memory/4620-134-0x0000000000D90000-0x0000000001742000-memory.dmp
      Filesize

      9MB

    • memory/4620-135-0x00007FFA11CD0000-0x00007FFA11EC5000-memory.dmp
      Filesize

      1MB

    • memory/4620-136-0x00007FF9F3B20000-0x00007FF9F45E1000-memory.dmp
      Filesize

      10MB

    • memory/4620-139-0x0000000000D90000-0x0000000001742000-memory.dmp
      Filesize

      9MB

    • memory/4620-140-0x00007FFA11CD0000-0x00007FFA11EC5000-memory.dmp
      Filesize

      1MB

    • memory/4620-142-0x00007FF9F3B20000-0x00007FF9F45E1000-memory.dmp
      Filesize

      10MB