Overview

overview

10

Static

static

10

89a2cf3f42...90.exe

windows7-x64

10

89a2cf3f42...90.exe

windows10-2004-x64

10

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General

  • Target

    89a2cf3f42ccf919d224c04120d83a14769ae50f59a2e181f766a104a98b1590

  • Size

    2.5MB

  • Sample

    240522-c5kevahh4s

  • MD5

    5480cdaf397ec7d51489a1ec48df429c

  • SHA1

    039322ecdb08371144a76ca9e38f51aa0bfec024

  • SHA256

    89a2cf3f42ccf919d224c04120d83a14769ae50f59a2e181f766a104a98b1590

  • SHA512

    3854b8cbb812ce17c1510efa3ea5ff58322d932060dc8e5c1b863d0bdbe0882af53f42af46ccb443dab14ee031ffa86c401c7bc2e66904ef080b6771480f9b63

  • SSDEEP

    49152:MxmvumkQ9lY9sgUXdTPSxdQ8KX75IyuWuCjcCqWOyxS:Mxx9NUFkQx753uWuCyyxS

Score
10/10
evasionpersistencethemidatrojan

Malware Config

Targets

    • Target

      89a2cf3f42ccf919d224c04120d83a14769ae50f59a2e181f766a104a98b1590

    • Size

      2.5MB

    • MD5

      5480cdaf397ec7d51489a1ec48df429c

    • SHA1

      039322ecdb08371144a76ca9e38f51aa0bfec024

    • SHA256

      89a2cf3f42ccf919d224c04120d83a14769ae50f59a2e181f766a104a98b1590

    • SHA512

      3854b8cbb812ce17c1510efa3ea5ff58322d932060dc8e5c1b863d0bdbe0882af53f42af46ccb443dab14ee031ffa86c401c7bc2e66904ef080b6771480f9b63

    • SSDEEP

      49152:MxmvumkQ9lY9sgUXdTPSxdQ8KX75IyuWuCjcCqWOyxS:Mxx9NUFkQx753uWuCyyxS

    Score
    10/10
    evasionpersistencethemidatrojan

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Detects executables packed with Themida

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

      evasion

    • 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.

      themida

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks