Overview

overview

10

Static

static

10

filw.exe

windows7-x64

10

filw.exe

windows10-ltsc 2021-x64

10

filw.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    filw.exe

  • Size

    6.1MB

  • Sample

    250208-vszywaxqbm

  • MD5

    a5dc5dfb3d20c67a35c1ee67e010fc7b

  • SHA1

    94694b8cf4d9558014f78037e1fd6fcfe4ddd4e3

  • SHA256

    1d810a842c4a71e7490f0a88bb9b0d3c82b084147e73fb2e4ef3c32456055d04

  • SHA512

    e8c552eff3537974ef552cf500f7c1060c5bff409fdc8ff34f98544f27afa86fb15edd0930a3b9a699977c452c2115697354772d1b4e0f095744cf7491cc9a48

  • SSDEEP

    196608:RaiSkSIlLTUcwti7TQl2NgVg01MWAXAkuujCPX9YG9he5GnQCAJKN:QkSopwtQQl2aOtXADu8X9Y95GQLJ

Score
10/10
stealeriumcollectioncredential_accessdiscoverypersistenceprivilege_escalationspywarestealer

Malware Config

Extracted

Family

stealerium

C2

https://api.telegram.org/bot7043342993:AAH3tTE7nerxLSr5-SkYKVrmJwCoBBaGRCU/sendMessage?chat_id=

Attributes

Targets

    • Target

      filw.exe

    • Size

      6.1MB

    • MD5

      a5dc5dfb3d20c67a35c1ee67e010fc7b

    • SHA1

      94694b8cf4d9558014f78037e1fd6fcfe4ddd4e3

    • SHA256

      1d810a842c4a71e7490f0a88bb9b0d3c82b084147e73fb2e4ef3c32456055d04

    • SHA512

      e8c552eff3537974ef552cf500f7c1060c5bff409fdc8ff34f98544f27afa86fb15edd0930a3b9a699977c452c2115697354772d1b4e0f095744cf7491cc9a48

    • SSDEEP

      196608:RaiSkSIlLTUcwti7TQl2NgVg01MWAXAkuujCPX9YG9he5GnQCAJKN:QkSopwtQQl2aOtXADu8X9Y95GQLJ

    Score
    10/10
    stealeriumstealercollectioncredential_accessdiscoverypersistenceprivilege_escalationspyware

    • Stealerium

      An open source info stealer written in C# first seen in May 2022.

      stealerstealerium

    • Stealerium family

      stealerium

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

      credential_accessstealer

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses Microsoft Outlook profiles

      collection

    • 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.

    behavioral1behavioral2behavioral3

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Modify Authentication Process

1
T1556

Privilege Escalation

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Modify Authentication Process

1
T1556

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Modify Authentication Process

1
T1556

Steal Web Session Cookie

1
T1539

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Browser Information Discovery

1
T1217

Query Registry

3
T1012

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

2
T1016

Internet Connection Discovery

1
T1016.001

Wi-Fi Discovery

1
T1016.002

Lateral Movement

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks