General

  • Target

    BestNLBrute.zip

  • Size

    7.5MB

  • Sample

    250213-r6j8sszmcy

  • MD5

    8f7b9fd8bc2ac4f7b2a806e5c1fe166c

  • SHA1

    3dd8cf658c17def0377baabfd473037a264c3fd5

  • SHA256

    11179c34425fcd0dcf122f89e74ea745212772280013f570979302acff40266e

  • SHA512

    d7714bc8ae279e17683d555aabb5d6e0174a61d73d57108ff09bf8ab4d093fa0cfea6e552fbde5f84dfe9e51fd9f2abfb708515b1026e0f03d67fc3bd9cb4c05

  • SSDEEP

    196608:fO60xdddo2FMWdVVRj81QcOhvoG0m1cOwoUJGh90lDHB3J:fOl/opWd181QcOhvDbfiGodT

Malware Config

Targets

    • Target

      BestNLBrute/KeyGen crackzerro.exe

    • Size

      2.5MB

    • MD5

      e72838eccda2eae29e96b0c572d783c3

    • SHA1

      60f0944ecbd21cf590445c12ba89a2ae48f27a6a

    • SHA256

      f824fdc666630ccb179d9086b79783e3ede76e4392a5edfdd20d93b7259ae061

    • SHA512

      7439902a4f16d29dcc4c749adc40f4541d509e607d915287c6c98f609ef14c4eb99ec507d7e7c853527a6c08628a367b21ae0f066828c2cc8792f2c1a3fa77f8

    • SSDEEP

      49152:IJdf39XFINkWr5kkYe6TdOYz44rcaMJIsjOO/ry3X0EdNZgJAxGEG8CZaFDG5UN:q9XaH5kheKdX4cjuR6q6XTNTI58ZTN

    • Detect Neshta payload

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

    • Neshta family

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target

      BestNLBrute/NLBrute.exe

    • Size

      10.8MB

    • MD5

      8fd87240d8aafa875f27281c742632a5

    • SHA1

      bafb115cad58fea63ef2a95e876eddd361165823

    • SHA256

      78957058f061ee1521f4d764912388d138eab9d57a1f3f6618f6f50f8f2c43e9

    • SHA512

      272505e017302133306c551a5221aa9e7c322428c84f0cfb368298c3945de58eb1776fa270d30f522b7c12f936680b4936c6f18e4491fe5a35546e575c7684e7

    • SSDEEP

      196608:Vo77oOvM/lYe06PBSaqTLvgjn8Asdfc9Jsv6tWKFdu9CABMoVuCAsdf:Vo77rGlYe06Z7eYsdE9Jsv6tWKFdu9Ca

    Score
    8/10
    • Downloads MZ/PE file

MITRE ATT&CK Enterprise v15

Tasks