Overview

overview

10

Static

static

a6ef868522...a3.exe

windows7-x64

10

a6ef868522...a3.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a6ef8685224775ff4b0f91f439cadbf58d3703a86ce04ef4f1511440f85365a3

  • Size

    800KB

  • Sample

    221203-bh2j6sbg87

  • MD5

    dcdb3263f06b9fdc13551d48952afaba

  • SHA1

    889b4785ac8adf65f9497beaa183a4cee03cc9e7

  • SHA256

    a6ef8685224775ff4b0f91f439cadbf58d3703a86ce04ef4f1511440f85365a3

  • SHA512

    c588a779d0d0f1ce751f27fe50b7ad306e22566148d788a892a027642ab0337ed4ff23043f1d40652a439530b0a610982f099ef577736fac88bc0881a86540cd

  • SSDEEP

    24576:mWSYevhgV6DFvNJAp7ElVVwoRPyBlIdZT:PSBgVYNHhwoRPQyZ

Score
10/10
metasploitbackdoorevasiontrojan

Malware Config

Extracted

Family

metasploit

Version

encoder/fnstenv_mov

Targets

    • Target

      a6ef8685224775ff4b0f91f439cadbf58d3703a86ce04ef4f1511440f85365a3

    • Size

      800KB

    • MD5

      dcdb3263f06b9fdc13551d48952afaba

    • SHA1

      889b4785ac8adf65f9497beaa183a4cee03cc9e7

    • SHA256

      a6ef8685224775ff4b0f91f439cadbf58d3703a86ce04ef4f1511440f85365a3

    • SHA512

      c588a779d0d0f1ce751f27fe50b7ad306e22566148d788a892a027642ab0337ed4ff23043f1d40652a439530b0a610982f099ef577736fac88bc0881a86540cd

    • SSDEEP

      24576:mWSYevhgV6DFvNJAp7ElVVwoRPyBlIdZT:PSBgVYNHhwoRPQyZ

    Score
    10/10
    metasploitbackdoorevasiontrojan

    • MetaSploit

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

      trojanbackdoormetasploit

    • Modifies security service

      evasion

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1
T1031

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks