Overview

overview

10

Static

static

10

incognito.exe

windows7-x64

10

incognito.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    incognito.exe

  • Size

    229KB

  • Sample

    240531-vs799afa5z

  • MD5

    a2e2e39f0f37c2bad057abd0d26da126

  • SHA1

    644b65d488765656986b5f3607dac359e9955b27

  • SHA256

    e4310f76275772aa2a6d4aa393a18a07e1ddb91ef6f2018cba717ba3478af322

  • SHA512

    7be3fc42afae83211517c67cf9e1e87e463c5bffac89daac65f5b56353a29ab4a3a7573b6fa53c07357721ea980ce177c379dffe82967ba80ce8d0d298133e66

  • SSDEEP

    6144:9loZM+rIkd8g+EtXHkv/iD46oX8syVtGDTOMdRYYhb8e1mjEi:foZtL+EP86oX8syVtGDTOMdRY4K

Score
10/10
umbralexecutionspywarestealer

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1246079811550449737/o71DDSNevAp62v1h0lX5Zdz9PmOLjy45ti4wb_k8a16Uo5LJrfGyhDhSt-kejGs8Ti0E

Targets

    • Target

      incognito.exe

    • Size

      229KB

    • MD5

      a2e2e39f0f37c2bad057abd0d26da126

    • SHA1

      644b65d488765656986b5f3607dac359e9955b27

    • SHA256

      e4310f76275772aa2a6d4aa393a18a07e1ddb91ef6f2018cba717ba3478af322

    • SHA512

      7be3fc42afae83211517c67cf9e1e87e463c5bffac89daac65f5b56353a29ab4a3a7573b6fa53c07357721ea980ce177c379dffe82967ba80ce8d0d298133e66

    • SSDEEP

      6144:9loZM+rIkd8g+EtXHkv/iD46oX8syVtGDTOMdRYYhb8e1mjEi:foZtL+EP86oX8syVtGDTOMdRY4K

    Score
    10/10
    umbralexecutionspywarestealer

    • Detect Umbral payload

    • Umbral

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

      stealerumbral

    • 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

    • Deletes itself

    • 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.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

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

1
T1082

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