Overview

overview

10

Static

static

3

load.exe

windows10-2004-x64

10

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General

  • Target

    load.exe

  • Size

    17.8MB

  • Sample

    250126-w71dmazqcp

  • MD5

    86d4579d1dbfd7be291f5d198d805398

  • SHA1

    8636bb288af7549f10d50eba8f8a4489ffee4222

  • SHA256

    d0e0881cc1edb247c39628fbcaec00fae6ec3617bde0869538aed888f4e6a63a

  • SHA512

    0ae111f7761778429b6e93ecbd4547a3280c52dfba781c42cf37e046cfe440d69d49a3caa8d3a58f6013b644e80e908fdbd7415340b764f6a4900806aceb877c

  • SSDEEP

    393216:YQsUy4Ln/msXQDkaxfqTJ9h7yXVHM5dzI2UeHqrCMMDcbiK3:nsun/3GTxW9h7G5M7z2eHqeMMDcWK3

Score
10/10
umbraldiscoveryexecutionspywarestealer

Malware Config

Targets

    • Target

      load.exe

    • Size

      17.8MB

    • MD5

      86d4579d1dbfd7be291f5d198d805398

    • SHA1

      8636bb288af7549f10d50eba8f8a4489ffee4222

    • SHA256

      d0e0881cc1edb247c39628fbcaec00fae6ec3617bde0869538aed888f4e6a63a

    • SHA512

      0ae111f7761778429b6e93ecbd4547a3280c52dfba781c42cf37e046cfe440d69d49a3caa8d3a58f6013b644e80e908fdbd7415340b764f6a4900806aceb877c

    • SSDEEP

      393216:YQsUy4Ln/msXQDkaxfqTJ9h7yXVHM5dzI2UeHqrCMMDcbiK3:nsun/3GTxW9h7G5M7z2eHqeMMDcWK3

    Score
    10/10
    umbraldiscoveryexecutionspywarestealer

    • Detect Umbral payload

    • Umbral

      Umbral stealer is an opensource moduler stealer written in C#.

      stealerumbral

    • Umbral family

      umbral

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks