General

  • Target

    st.zip

  • Size

    2.7MB

  • Sample

    241116-3njp4awfmh

  • MD5

    d0f381809b17b56a6c7522c7bfdbd0c5

  • SHA1

    ec3e414ac86810ff16be71df7b3cfa6c5ee62972

  • SHA256

    0237c90c908b4f4571ad61ce1ee36d46a247f6dbe128a55a978de56346738141

  • SHA512

    ba71e0e39009f8ad60ffbea7da163a2c7ea1318f8cf17b3baae8e523ba094f2cbeaca554b0343765314f8e7ed17b4114117d7c80d20fdd092d1a457d52aa1966

  • SSDEEP

    49152:6Ju962vZaT5Av/ZST3ZIeXKxCIwBFuZJinhxP7eGG0/N7zO7SnI8:6M962I9Ie6CPuZMhxDeaNGkI8

Malware Config

Targets

    • Target

      SteamtoolsSetup.exe

    • Size

      978KB

    • MD5

      bbf15e65d4e3c3580fc54adf1be95201

    • SHA1

      79091be8f7f7a6e66669b6a38e494cf7a62b5117

    • SHA256

      c9f2e2abb046ff2535537182edf9a9b748aa10a22e98a1d8c948d874f4ffb304

    • SHA512

      9bb261b4ed84af846e07ffb6352960687e59428fd497faa0a37d70b57a1a7430d48ac350fbb0c3f0f11e4231a98ebca4d6923deba0949fdd7a247a3c02737355

    • SSDEEP

      24576:4Fa9OUi2VoN2gZ1M8UQag3BXrYZt+GgGTfG74T+TRcL:Z9OUiTN2gZ1MExEZkkf+4TARg

    • Downloads MZ/PE file

    • A potential corporate email address has been identified in the URL: Montserratwght@300

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Detected potential entity reuse from brand STEAM.

MITRE ATT&CK Enterprise v15

Tasks