Overview

overview

10

Static

static

1

Browsers.txt.lnk

windows10-2004-x64

10

Browsers.txt.lnk

windows11-21h2-x64

10

Sharing

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General

  • Target

    Browsers.txt.lnk

  • Size

    1.1MB

  • Sample

    240606-th496shd38

  • MD5

    f633c0331190af42493e0bd861853bbe

  • SHA1

    e51a46951bb42d8ea12e6d86c075d30c9b95b160

  • SHA256

    273a75ba90251e317ed6291e6d4e31f80ce006e81bdc6582a4988078dc5610ef

  • SHA512

    35a59bd65dfb15f7412904cc41f1d2eae39e5d15ce9963ff9251584d9b642060dcdf6c3b74f9ba358922d2a0b0baa04887697f4ed8e48bfeb7b2fe98e9861cc9

  • SSDEEP

    24576:BqdCjhtTdvhtTdvhtTdvhtTdvhtTdvhr8k:7htTdvhtTdvhtTdvhtTdvhtTdvhQk

Score
10/10
metasploitbackdoorexecutiontrojanupx

Malware Config

Extracted

Family

metasploit

Version

encoder/shikata_ga_nai

Extracted

Family

metasploit

Version

windows/reverse_tcp

C2

104.248.194.233:443

Targets

    • Target

      Browsers.txt.lnk

    • Size

      1.1MB

    • MD5

      f633c0331190af42493e0bd861853bbe

    • SHA1

      e51a46951bb42d8ea12e6d86c075d30c9b95b160

    • SHA256

      273a75ba90251e317ed6291e6d4e31f80ce006e81bdc6582a4988078dc5610ef

    • SHA512

      35a59bd65dfb15f7412904cc41f1d2eae39e5d15ce9963ff9251584d9b642060dcdf6c3b74f9ba358922d2a0b0baa04887697f4ed8e48bfeb7b2fe98e9861cc9

    • SSDEEP

      24576:BqdCjhtTdvhtTdvhtTdvhtTdvhtTdvhr8k:7htTdvhtTdvhtTdvhtTdvhtTdvhQk

    Score
    10/10
    metasploitbackdoorexecutiontrojanupx

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

      trojanbackdoormetasploit

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Checks computer location settings

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

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks