General

  • Target
    刷隐藏.rar
  • Size 48.8MB
  • Sample260907-kfhtqafg86
  • SHA256 f8727f129162a4f97055f1bc6d575ce3c9cd07bd8c624ab5846637dbadd39a54
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      BMWAiCoder/BMWAiCoder5.0/BMWAiCoder/BMWAiCoder.exe
    • Size 2.9MB
    • SHA256 9fce1192f8b00281c7b92fc03d819f389d2cb8b5509fb1b104f1f8b3adfb2d3f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target
      BMWAiCoder/BMWAiCoder5.0/BMWAiCoder/CIC.exe
    • Size 35KB
    • SHA256 3178841a2fded94e6469391e61ed3bc7de03053eee3540dc9e976583e34a7150
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      BMWAiCoder/BMWAiCoder5.0/BMWAiCoder/NBT.exe
    • Size 37KB
    • SHA256 9b82746e78e334f8a59cf8b73200f41d791c476ca3cb50963234fc7802efc593
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      BMWAiCoder/BMWAiCoder5.0/BMWAiCoder/Upgrade.exe
    • Size 40KB
    • SHA256 a37687ccacbdc09e816ad13425583c84b404a0506d8902b5d59c3f21bff5ab9d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

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

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target
      BMWAiCoder/BMWAiCoder5.0/BMWAiCoder/zint.dll
    • Size 768KB
    • SHA256 238fac4512ab8b0870a72a995eac9f0cc378f824429cd76f940f90c293342567
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10

MITRE ATT&CK Enterprise v16

Tasks