Overview

overview

10

Static

static

1776e585eb...62.exe

windows7_x64

10

1776e585eb...62.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62

  • Size

    256KB

  • Sample

    220608-zpk3rsghar

  • MD5

    12023a8ddb8177fd4a55046624d83532

  • SHA1

    745f4ea25ee5af413c81a35e56f9ae4c959a4821

  • SHA256

    1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62

  • SHA512

    02a5a6d7741b4d7c5e2dd3c253ea7447e846ee0a3a095baa5bbcdd22722177cbaf4ebd23802839c275cbb535b4deff31bd2137ff70f84b8b7b8960bc5f0d8cb8

Score
10/10
metasploitbackdoorevasionpersistencetrojanupx

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Targets

    • Target

      1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62

    • Size

      256KB

    • MD5

      12023a8ddb8177fd4a55046624d83532

    • SHA1

      745f4ea25ee5af413c81a35e56f9ae4c959a4821

    • SHA256

      1776e585ebb60790dbe39509a48b0179de8b0c8a8aff2496e8743e62bfc1ae62

    • SHA512

      02a5a6d7741b4d7c5e2dd3c253ea7447e846ee0a3a095baa5bbcdd22722177cbaf4ebd23802839c275cbb535b4deff31bd2137ff70f84b8b7b8960bc5f0d8cb8

    Score
    10/10
    metasploitbackdoorevasionpersistencetrojanupx

    • MetaSploit

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

      trojanbackdoormetasploit

    • Modifies firewall policy service

      evasion

    • Executes dropped EXE

    • UPX packed file

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

      upx

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Maps connected drives based on registry

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks