Overview

overview

10

Static

static

3

solara.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    solara.exe

  • Size

    2.8MB

  • Sample

    250412-syv6rsxvf1

  • MD5

    84c1cc9f977f79b4820bcb8f236fce20

  • SHA1

    88d879456a7f075760525824dcc8b2de7bbe6f13

  • SHA256

    808fc30e9ed9cf43a86b6608fc9c5f5c28443d51207f30d06cf88c0081b54e18

  • SHA512

    66b98b55c9d36b27a0f96eba539b820450ba552deacc323dabfbe4db936eb5ad4c57cb8683e10570212ce1b6ea9f04adeaecd9f41618e4625f78bc5b87f3f65c

  • SSDEEP

    49152:N5wRNpPAI7CYItONjnwsp61qLJa2uQzdqYoqDLdS96A4zDziq2EJLFp2C/XHYQ/:NaRvROYEQEqFajKoqDLgMAI2KLmC/XHv

Score
10/10
umbraldefense_evasiondiscoveryexecutionpersistenceprivilege_escalationspywarestealer

Malware Config

Targets

    • Target

      solara.exe

    • Size

      2.8MB

    • MD5

      84c1cc9f977f79b4820bcb8f236fce20

    • SHA1

      88d879456a7f075760525824dcc8b2de7bbe6f13

    • SHA256

      808fc30e9ed9cf43a86b6608fc9c5f5c28443d51207f30d06cf88c0081b54e18

    • SHA512

      66b98b55c9d36b27a0f96eba539b820450ba552deacc323dabfbe4db936eb5ad4c57cb8683e10570212ce1b6ea9f04adeaecd9f41618e4625f78bc5b87f3f65c

    • SSDEEP

      49152:N5wRNpPAI7CYItONjnwsp61qLJa2uQzdqYoqDLdS96A4zDziq2EJLFp2C/XHYQ/:NaRvROYEQEqFajKoqDLgMAI2KLmC/XHv

    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

      Using powershell.exe command.

      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