General

  • Target

    modest-menu.exe

  • Size

    11.5MB

  • Sample

    220706-1chybahcfr

  • MD5

    3930ab52a2e6f4b0b371421cd3e509b9

  • SHA1

    907013d0f905adc305caf0251c164db528eb596e

  • SHA256

    71296bb15128fe1039a0566b746afaee20092fd8b575322536ec97725a9da9cd

  • SHA512

    a6d8ed3dc52422b0f486e6ea4f87a414461ec0a04dc5257bdc7341362b4f141331f1eac5b5ce52c6c532450b188e87383944808153134a2e144660b5cfd9130e

Malware Config

Targets

    • Target

      modest-menu.exe

    • Size

      11.5MB

    • MD5

      3930ab52a2e6f4b0b371421cd3e509b9

    • SHA1

      907013d0f905adc305caf0251c164db528eb596e

    • SHA256

      71296bb15128fe1039a0566b746afaee20092fd8b575322536ec97725a9da9cd

    • SHA512

      a6d8ed3dc52422b0f486e6ea4f87a414461ec0a04dc5257bdc7341362b4f141331f1eac5b5ce52c6c532450b188e87383944808153134a2e144660b5cfd9130e

    • 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Tasks