Overview

overview

10

Static

static

10

CustomInstaller.exe

windows7-x64

7

CustomInstaller.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    CustomInstaller.exe

  • Size

    83.8MB

  • Sample

    250215-ketjtsxqbt

  • MD5

    49b2e24abcc528566578ee1992fe5747

  • SHA1

    4ec4640050759eaa2bd3e0cbd41dda7bf2f3b66f

  • SHA256

    aab961d756207c8a2d47d749e35f118c81e41cb5f9b101cc0f07861f1d5ebf76

  • SHA512

    8f3134f9f0045da1a3ffce45ad9e49265e2af504a6a90467327de915bb5824bbf0d8be2c56bab5854081c24a58807671ad838ae24112c0602d0e7e470219e630

  • SSDEEP

    1572864:pVjlGWsFm7OkiqOv8im2AqlE7xlhpqfiYweyJulZUdg14EKd72:7IVFm7OknOv8i3diLNpuB4NZ2

Score
10/10
pysilondefense_evasiondiscoveryexecutionpersistencepyinstallerupx

Malware Config

Targets

    • Target

      CustomInstaller.exe

    • Size

      83.8MB

    • MD5

      49b2e24abcc528566578ee1992fe5747

    • SHA1

      4ec4640050759eaa2bd3e0cbd41dda7bf2f3b66f

    • SHA256

      aab961d756207c8a2d47d749e35f118c81e41cb5f9b101cc0f07861f1d5ebf76

    • SHA512

      8f3134f9f0045da1a3ffce45ad9e49265e2af504a6a90467327de915bb5824bbf0d8be2c56bab5854081c24a58807671ad838ae24112c0602d0e7e470219e630

    • SSDEEP

      1572864:pVjlGWsFm7OkiqOv8im2AqlE7xlhpqfiYweyJulZUdg14EKd72:7IVFm7OknOv8i3diLNpuB4NZ2

    Score
    9/10
    upxdefense_evasiondiscoveryexecutionpersistence

    • Enumerates VirtualBox DLL files

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Downloads MZ/PE file

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      defense_evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Modify Registry

1
T1112

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Discovery

File and Directory Discovery

1
T1083

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Virtualization/Sandbox Evasion

1
T1497

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks