Overview

overview

9

Static

static

7

Build.exe

windows11-21h2-x64

9

Sharing

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General

  • Target
    Build.exe
  • Size 11.9MB
  • Sample240302-t8bqjsfd96
  • SHA256 8eeda0849b8bffc5d26ee56f02162f2e75e4271c4257c309197f3645fac47c03
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
evasionpersistencethemidatrojan

Malware Config

Targets

    • Target
      Build.exe
    • Size 11.9MB
    • SHA256 8eeda0849b8bffc5d26ee56f02162f2e75e4271c4257c309197f3645fac47c03
    • MD5 SHA1 SHA512 SSDEEP
    Score
    9/10
    evasionpersistencethemidatrojan

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

      evasion

    • Creates new service(s)

      persistence

    • Drops file in Drivers directory

    • Stops running service(s)

      evasion

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • Checks whether UAC is enabled

      evasiontrojan

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks