Overview

overview

10

Static

static

3

lag_Gabrk_v2.exe

windows10-2004-x64

10

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General

  • Target

    lag_Gabrk_v2.exe

  • Size

    24KB

  • Sample

    240912-hcydwswcjm

  • MD5

    1d28873fc85f1969402fea97e72d7266

  • SHA1

    9f885cbdebb6b4481f64930c2b4d6316f054634b

  • SHA256

    d17596dbb201d74d8c99a47ccef0c0d306d7f5cbcde472b062cd89fc8e375e61

  • SHA512

    8080a6927dbf8e7e89564496bb7daed035ab21c75ff3d0460b0fcb38ebaeb4d62b21875b58e782a55591fd97a6c51e6dce7e7d5872f93874a5ad6f64a7412d41

  • SSDEEP

    384:WLs5IbWUZQOQsWOpGkTLRq7x+hKFa3zmLT2gP/Zw3k5MWGO4AhqrT1hKmvCvfb:Qsi6UqsWuRE11fPOCh2T1hKeCvz

Score
10/10
umbralcredential_accessdiscoveryevasionexecutionpersistenceprivilege_escalationspywarestealer

Malware Config

Targets

    • Target

      lag_Gabrk_v2.exe

    • Size

      24KB

    • MD5

      1d28873fc85f1969402fea97e72d7266

    • SHA1

      9f885cbdebb6b4481f64930c2b4d6316f054634b

    • SHA256

      d17596dbb201d74d8c99a47ccef0c0d306d7f5cbcde472b062cd89fc8e375e61

    • SHA512

      8080a6927dbf8e7e89564496bb7daed035ab21c75ff3d0460b0fcb38ebaeb4d62b21875b58e782a55591fd97a6c51e6dce7e7d5872f93874a5ad6f64a7412d41

    • SSDEEP

      384:WLs5IbWUZQOQsWOpGkTLRq7x+hKFa3zmLT2gP/Zw3k5MWGO4AhqrT1hKmvCvfb:Qsi6UqsWuRE11fPOCh2T1hKeCvz

    Score
    10/10
    umbralcredential_accessdiscoveryevasionexecutionpersistenceprivilege_escalationspywarestealer

    • Detect Umbral payload

    • Umbral

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

      stealerumbral

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

      credential_accessstealer

    • 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

      evasion

    • Checks computer location settings

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

    • 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.

    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Persistence

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

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

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

Browser Information Discovery

1
T1217

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