Overview

overview

10

Static

static

3

UltimaExec....8.exe

windows10-2004-x64

10

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General

  • Target

    UltimaExecutorV.1.8.exe

  • Size

    911KB

  • Sample

    250415-cgjteawpw4

  • MD5

    c1d3eba922b1c8200c576741321e30f0

  • SHA1

    992b40e1883a7f034b99256084aa0130d738ba5c

  • SHA256

    2257c78940e11aab5b71fd84da526e53a7d86c217667b42bc29f837e8ea09eb7

  • SHA512

    cbebcc57d691cb0a42ea345aa296e6e7ca52ad09e049e1e951f56415dd657ebbe69a7ed8e0ed41cdea40e7c82d579579457af9374cbcf718fa9bf0c6a777c224

  • SSDEEP

    24576:PX0dNTiM8RviVUwblP373RVTdQJtg8y6E:/0dNTiM8NiVUC373RheE

Score
10/10
umbraldiscoveryexecutionspywarestealer

Malware Config

Targets

    • Target

      UltimaExecutorV.1.8.exe

    • Size

      911KB

    • MD5

      c1d3eba922b1c8200c576741321e30f0

    • SHA1

      992b40e1883a7f034b99256084aa0130d738ba5c

    • SHA256

      2257c78940e11aab5b71fd84da526e53a7d86c217667b42bc29f837e8ea09eb7

    • SHA512

      cbebcc57d691cb0a42ea345aa296e6e7ca52ad09e049e1e951f56415dd657ebbe69a7ed8e0ed41cdea40e7c82d579579457af9374cbcf718fa9bf0c6a777c224

    • SSDEEP

      24576:PX0dNTiM8RviVUwblP373RVTdQJtg8y6E:/0dNTiM8NiVUC373RheE

    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

      Using powershell.exe command.

      execution

    • Drops file in Drivers directory

    • 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.

    • Suspicious use of SetThreadContext

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks