Overview

overview

10

Static

static

3

N1NC5_solara.exe

windows10-2004-x64

10

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General

  • Target

    N1NC5_solara.exe

  • Size

    2.8MB

  • Sample

    250412-s6dlpaxwev

  • MD5

    d4ef72e55ee8d916a060dae174398888

  • SHA1

    92dc6ce33833a32e70d377bd6d66a17c0fd2369a

  • SHA256

    852a0e2b6016d2b2e0953c50e0985fe60320a70e73515cfea7706f86130a06ca

  • SHA512

    a814c8a43b4602888c9f12969f96c83c193528a7679ee8432da8f8e4b11a1379e35c4b07ad6cedec5e434d0b5ec7ad8124bbd6f3092fbcd0acc1b98fbb144f16

  • SSDEEP

    49152:G5wRNpPAI7CYItONjnwsp61qLJa2uQzdqYoqDLdS96A4zDziq2EJLFp2C/Xv:GaRvROYEQEqFajKoqDLgMAI2KLmC/X

Score
10/10
umbraldefense_evasiondiscoveryexecutionpersistenceprivilege_escalationspywarestealer

Malware Config

Targets

    • Target

      N1NC5_solara.exe

    • Size

      2.8MB

    • MD5

      d4ef72e55ee8d916a060dae174398888

    • SHA1

      92dc6ce33833a32e70d377bd6d66a17c0fd2369a

    • SHA256

      852a0e2b6016d2b2e0953c50e0985fe60320a70e73515cfea7706f86130a06ca

    • SHA512

      a814c8a43b4602888c9f12969f96c83c193528a7679ee8432da8f8e4b11a1379e35c4b07ad6cedec5e434d0b5ec7ad8124bbd6f3092fbcd0acc1b98fbb144f16

    • SSDEEP

      49152:G5wRNpPAI7CYItONjnwsp61qLJa2uQzdqYoqDLdS96A4zDziq2EJLFp2C/Xv:GaRvROYEQEqFajKoqDLgMAI2KLmC/X

    Score
    10/10
    umbraldefense_evasiondiscoveryexecutionpersistenceprivilege_escalationspywarestealer

    • 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

    • Modifies Windows Firewall

      defense_evasion

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Adds Run key to start application

      persistence

    • 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 v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks

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