General

  • Target

    file.exe

  • Size

    8.3MB

  • Sample

    241027-fppams1rdj

  • MD5

    66039c9e643542b612ee5b216900c910

  • SHA1

    3af08524281635f64e17f89838c6e528da7d723c

  • SHA256

    35c6740a3fb5e35fc261d619abd34c2aaaa761096e36bb03515b536998bc1144

  • SHA512

    220901ea547e2200700059944209958b929f237d58f6275fcca3ec27352766e002674202611f1f850074eb4b8bbe0b97797fd170265d9446f54a50bfbe0f79a0

  • SSDEEP

    196608:ZBH5dgA2rBsUPeOOsmgGZ6SO7gTTYFaklmZChu+5pz:zEAIeOOsmguLtTd8hb5pz

Malware Config

Targets

    • Target

      file.exe

    • Size

      8.3MB

    • MD5

      66039c9e643542b612ee5b216900c910

    • SHA1

      3af08524281635f64e17f89838c6e528da7d723c

    • SHA256

      35c6740a3fb5e35fc261d619abd34c2aaaa761096e36bb03515b536998bc1144

    • SHA512

      220901ea547e2200700059944209958b929f237d58f6275fcca3ec27352766e002674202611f1f850074eb4b8bbe0b97797fd170265d9446f54a50bfbe0f79a0

    • SSDEEP

      196608:ZBH5dgA2rBsUPeOOsmgGZ6SO7gTTYFaklmZChu+5pz:zEAIeOOsmguLtTd8hb5pz

    • Xmrig family

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

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

    • XMRig Miner payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Creates new service(s)

    • Drops file in Drivers directory

    • Stops running service(s)

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks