Overview

overview

10

Static

static

10

anti byfron.exe

windows7-x64

10

anti byfron.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    anti byfron.exe

  • Size

    1.6MB

  • Sample

    240612-x1wmjawhlc

  • MD5

    1650c59699c514d9bede975e8d1dcdb1

  • SHA1

    43bb3ab6426fc86a93936f9bdce1be4ed4b8c7a5

  • SHA256

    ef84001f2af75ccb675331fbe87fd5d0d815fc15dfe8b121842d35df859ba2e8

  • SHA512

    c272382efa29520747d28412d5b9413eec8154b3bc28a7a32221e69e0f8c3d90faa8aaf566f362a0badbd835d38165391c99c76a96209ce6cb4d3ed653814270

  • SSDEEP

    49152:3cTq24GjdGSiqkqXfd+/9AqYanieKdYs:39EjdGSiqkqXf0FLYW

Score
10/10
stealeriumcollectionspywarestealer

Malware Config

Extracted

Family

stealerium

C2

https://discord.com/api/webhooks/1250527734837415967/eVJufxQw3esQTs3-rr2F_Jrxo4O3BJb5-pnsB_nV-1tS1R7u065bf4Rt_NbPIWe-MCpi

Targets

    • Target

      anti byfron.exe

    • Size

      1.6MB

    • MD5

      1650c59699c514d9bede975e8d1dcdb1

    • SHA1

      43bb3ab6426fc86a93936f9bdce1be4ed4b8c7a5

    • SHA256

      ef84001f2af75ccb675331fbe87fd5d0d815fc15dfe8b121842d35df859ba2e8

    • SHA512

      c272382efa29520747d28412d5b9413eec8154b3bc28a7a32221e69e0f8c3d90faa8aaf566f362a0badbd835d38165391c99c76a96209ce6cb4d3ed653814270

    • SSDEEP

      49152:3cTq24GjdGSiqkqXfd+/9AqYanieKdYs:39EjdGSiqkqXf0FLYW

    Score
    10/10
    stealeriumcollectionspywarestealer

    • Stealerium

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

      stealerstealerium

    • 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.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks