Overview

overview

9

Static

static

7

Rebecca.exe

windows10-2004-x64

9

Rebecca.exe

windows11-ltsc_2024-x64

9

Sharing

Copy URL Twitter E-mail

General

  • Target
    Rebecca.exe
  • Size 12.2MB
  • Sample260803-xngb3shr4y
  • SHA256 f6358f8fef0d443468cf2f0e8c4439d0e604074216cdc9b00b3239a6879c0528
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasionthemidatrojan

Malware Config

Targets

    • Target
      Rebecca.exe
    • Size 12.2MB
    • SHA256 f6358f8fef0d443468cf2f0e8c4439d0e604074216cdc9b00b3239a6879c0528
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    defense_evasionthemidatrojan

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      defense_evasion

    • Checks BIOS information in registry

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks