General

  • Target

    dec62c60d202cb01dc6da521280b1cb78dfb1a2e17ef55251346fdf178471369.exe

  • Size

    938KB

  • Sample

    250217-esdsmszmay

  • MD5

    281d0718e6a1ea68a009c360934d49f4

  • SHA1

    992de4a281d603d13b5596d2d6aaacd7ed68cf7b

  • SHA256

    dec62c60d202cb01dc6da521280b1cb78dfb1a2e17ef55251346fdf178471369

  • SHA512

    7ebb2297d46a9bd4a7531a210882565472fcf89b6a448910e5d9358380c92ade9fc5a04e9edff2146e76cc6dbbbe49609f8b8e07146bb1a22f26707dabba921e

  • SSDEEP

    24576:4qDEvCTbMWu7rQYlBQcBiT6rprG8aeNlj:4TvC/MTQYxsWR7aeNF

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://185.215.113.16/defend/random.exe

Targets

    • Target

      dec62c60d202cb01dc6da521280b1cb78dfb1a2e17ef55251346fdf178471369.exe

    • Size

      938KB

    • MD5

      281d0718e6a1ea68a009c360934d49f4

    • SHA1

      992de4a281d603d13b5596d2d6aaacd7ed68cf7b

    • SHA256

      dec62c60d202cb01dc6da521280b1cb78dfb1a2e17ef55251346fdf178471369

    • SHA512

      7ebb2297d46a9bd4a7531a210882565472fcf89b6a448910e5d9358380c92ade9fc5a04e9edff2146e76cc6dbbbe49609f8b8e07146bb1a22f26707dabba921e

    • SSDEEP

      24576:4qDEvCTbMWu7rQYlBQcBiT6rprG8aeNlj:4TvC/MTQYxsWR7aeNF

    • 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)

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • 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.

    • Executes dropped EXE

    • 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