Overview

overview

10

Static

static

10

aad21a5bbe...e1.exe

windows7-x64

10

aad21a5bbe...e1.exe

windows10-2004-x64

10

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General

  • Target

    aad21a5bbeefb16ea1a884b556748e3e067aa99b445f018321fa1ee6681375e1

  • Size

    2.5MB

  • Sample

    240504-bz35bsch55

  • MD5

    4801f82010bf585a939071fda4d18fbd

  • SHA1

    15494df1f13aa33f3be1f0edc84a0bd542e8f205

  • SHA256

    aad21a5bbeefb16ea1a884b556748e3e067aa99b445f018321fa1ee6681375e1

  • SHA512

    c75300bb5f283e14cbd8bf0e84ccbbd692ebbc3a3485a30da6647550aa8b399fc4dd3a0f977c2be0b239d266ae9b5f92b31ffcc60101d958ca10498f0df23000

  • SSDEEP

    49152:hxmvumkQ9lY9sgUXdTPSxdQ8KX75IyuWuCjcCqWOyx5:hxx9NUFkQx753uWuCyyx5

Score
10/10
evasionpersistencethemidatrojan

Malware Config

Targets

    • Target

      aad21a5bbeefb16ea1a884b556748e3e067aa99b445f018321fa1ee6681375e1

    • Size

      2.5MB

    • MD5

      4801f82010bf585a939071fda4d18fbd

    • SHA1

      15494df1f13aa33f3be1f0edc84a0bd542e8f205

    • SHA256

      aad21a5bbeefb16ea1a884b556748e3e067aa99b445f018321fa1ee6681375e1

    • SHA512

      c75300bb5f283e14cbd8bf0e84ccbbd692ebbc3a3485a30da6647550aa8b399fc4dd3a0f977c2be0b239d266ae9b5f92b31ffcc60101d958ca10498f0df23000

    • SSDEEP

      49152:hxmvumkQ9lY9sgUXdTPSxdQ8KX75IyuWuCjcCqWOyx5:hxx9NUFkQx753uWuCyyx5

    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