Overview

overview

10

Static

static

1

URLScan

urlscan

https://github.com/B...

windows10-2004-x64

10

Resubmissions

28-04-2024 10:07

240428-l52hssde21 10

28-04-2024 10:07

240428-l5nlyade2t 1

28-04-2024 09:45

240428-lq7fhadb5t 7

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General

  • Target

    https://github.com/Blank-c/Umbral-Stealer

  • Sample

    240428-l52hssde21

Score
10/10
umbralagilenetspywarestealer

Malware Config

Extracted

Family

umbral

C2

https://www.discord.com/api/webhooks/1223320157972332705/nOvJjF9hRSjecUTLGgLxqqWMB89V8brmaN56EMwZ1dLtayUijDG-AXAPiYwm1Fn14xbw

Targets

    • Target

      https://github.com/Blank-c/Umbral-Stealer

    Score
    10/10
    umbralagilenetspywarestealer

    • Detect Umbral payload

    • Umbral

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

      stealerumbral

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

      agilenet

    • 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 Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

System Information Discovery

3
T1082

Query Registry

1
T1012

Remote System Discovery

1
T1018

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks