General

  • Target

    file.exe

  • Size

    2.6MB

  • Sample

    250209-z2wd9stjft

  • MD5

    cbc887b616bbba978f3cbf29c97d8b81

  • SHA1

    85e82285f948a1d4ef8a4cec06f966d50662ab64

  • SHA256

    a8075ca402c83d948a5c49d83e7a037a4ab70bf077f15d40d5d69f7fba6295a3

  • SHA512

    a424ce1c2436e346844e99bb9f374360ad3b2c89d0bc7bc3ed911586f9f97fa2ee5b2783c60758772ba2e510b77f0f12f166dc0f1035f0e51c802f2cf7e526fd

  • SSDEEP

    49152:xO7LnzWR0IaY4vQvpi3AdbYqnKH/6Ag3U0AvFN4eh7F4qO:xO7LnzW+IaY4vQv0qnA/gqvLpO

Malware Config

Targets

    • Target

      file.exe

    • Size

      2.6MB

    • MD5

      cbc887b616bbba978f3cbf29c97d8b81

    • SHA1

      85e82285f948a1d4ef8a4cec06f966d50662ab64

    • SHA256

      a8075ca402c83d948a5c49d83e7a037a4ab70bf077f15d40d5d69f7fba6295a3

    • SHA512

      a424ce1c2436e346844e99bb9f374360ad3b2c89d0bc7bc3ed911586f9f97fa2ee5b2783c60758772ba2e510b77f0f12f166dc0f1035f0e51c802f2cf7e526fd

    • SSDEEP

      49152:xO7LnzWR0IaY4vQvpi3AdbYqnKH/6Ag3U0AvFN4eh7F4qO:xO7LnzW+IaY4vQv0qnA/gqvLpO

    • Detects Healer an antivirus disabler dropper

    • Healer

      Healer an antivirus disabler dropper.

    • Healer family

    • Modifies Windows Defender DisableAntiSpyware settings

    • Modifies Windows Defender Real-time Protection settings

    • Modifies Windows Defender TamperProtection settings

    • Modifies Windows Defender notification settings

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

    • Downloads MZ/PE file

    • 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.

    • Windows security modification

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks