General

  • Target

    InstaSLAYER.exe

  • Size

    615.1MB

  • Sample

    240522-xclsesce39

  • MD5

    796c4e013accc1d47e263f2438248e5e

  • SHA1

    dbca3bb74c9715a4b21259fa644a39a59bb438a7

  • SHA256

    e934ef0b1bad86d0a8d2a08a90b64b309404b2983649f8e34d400704ce8c65c0

  • SHA512

    5ae71ea3ac4f15c6143a424e1e2491294e5f2e5508ca4c05b6fa2676634140ec03e27b698ab0378726b421369e36988f56e016e145ba10b2d517577a00de926c

  • SSDEEP

    49152:lNjqYcOatzfsFfG/oDx4tDhdLDG15f9pTo0trQyYxQw:lNjFcOaxYG/M43HA5fVt8Q

Malware Config

Targets

    • Target

      InstaSLAYER.exe

    • Size

      615.1MB

    • MD5

      796c4e013accc1d47e263f2438248e5e

    • SHA1

      dbca3bb74c9715a4b21259fa644a39a59bb438a7

    • SHA256

      e934ef0b1bad86d0a8d2a08a90b64b309404b2983649f8e34d400704ce8c65c0

    • SHA512

      5ae71ea3ac4f15c6143a424e1e2491294e5f2e5508ca4c05b6fa2676634140ec03e27b698ab0378726b421369e36988f56e016e145ba10b2d517577a00de926c

    • SSDEEP

      49152:lNjqYcOatzfsFfG/oDx4tDhdLDG15f9pTo0trQyYxQw:lNjFcOaxYG/M43HA5fVt8Q

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

    • Command and Scripting Interpreter: PowerShell

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

    • 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.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks