Overview

overview

8

Static

static

3

UltimMC/UltimMC.exe

windows10-2004-x64

8

Resubmissions

08/07/2023, 05:53

230708-gla5aach75 3

08/07/2023, 05:48

230708-ghvdrach74 3

08/07/2023, 05:35

230708-gab77sch66 8

08/07/2023, 05:22

230708-f2qdgach59 8

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General

  • Target

    mmc-cracked-win32.zip

  • Size

    13.5MB

  • Sample

    230708-gab77sch66

  • MD5

    44a178cff729c0416dde1cab2cd60fa1

  • SHA1

    aa56eb685443d992aca4d830b039a8963fad20ba

  • SHA256

    1f1660d24e972308e913eb370633bfb83c2738237f193f501b0d05b09d065878

  • SHA512

    99f5fee63264a3c567bca3b06480ce412d87fe55320981d8e62b38cc92245056423c8513771a952fa8a98133b2571aef55e5fd8945fa4e65a690578a50fd7fad

  • SSDEEP

    393216:G56gzFRQ3Nm3b/EUT4mlnftABcD4w1lPfm7f8:fsRQ9wbjtuM4cpm7f8

Score
8/10
adwarediscoverypersistencestealer

Malware Config

Targets

    • Target

      UltimMC/UltimMC.exe

    • Size

      8.8MB

    • MD5

      dec33b921534bfefd0f06aee6af7291b

    • SHA1

      0b6cfa43c79071272a865471f2927f62f6cc3d30

    • SHA256

      499422dc9e9e33c685b93fb9bf5c90e03d7aa75af31fd1c05f152259a7bd8774

    • SHA512

      b377aef7dfbab0aff7e706ada839dc4fb95a70024e98455c20a810de6bc872fc4a72c138b650e3f5ebc3dce23cc18ca771206f9e1af15f5882786c0c32af3bdc

    • SSDEEP

      196608:1vEsCQdpPhdnaJjgDLEjixC9IDe4OHlnwd+PXHdiVzVsVKV4113VTVVxAVUVgVC2:QAO5gDhVA/YVsVKV4113VTVVxAVUVgV9

    Score
    8/10
    adwarediscoverypersistencestealer

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Registers COM server for autorun

      persistence

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

      stealeradware

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v6

Tasks