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Overview

overview

10

Static

static

10

FIX.exe

windows10-ltsc_2021-x64

9

Sharing

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General

  • Target

    FIX.exe

  • Size

    84.1MB

  • Sample

    250321-lza4nawvfx

  • MD5

    71c55d3a21623b2a240440d6e39ae3d5

  • SHA1

    c7ebbeddcfa01f7df24d7c0b37e50b5e2ef4087c

  • SHA256

    13df4655f33615850a8d9cc85ec34d190a0295d9465fbf300cf0f2ca188018c3

  • SHA512

    a96caeeac6c7915e9cf7da8aa09ac8110d2eeb7059565a781c15e096479bc406626a6b9538ffb05200d1e2caa3458ca00fe7c355c63b43456024608195498d14

  • SSDEEP

    1572864:ptIupuqVjl/lWWdP4OkiqOv8im2AUdfUE7nlhnwgiYweyJulZUdg/Xgz2UZvkOJv:AYFrbdgOknOv8i3XfNLwZpu7XgznkOF

Score
10/10
pysilondefense_evasiondiscoveryexecutionpersistencepyinstallerupx

Malware Config

Targets

    • Target

      FIX.exe

    • Size

      84.1MB

    • MD5

      71c55d3a21623b2a240440d6e39ae3d5

    • SHA1

      c7ebbeddcfa01f7df24d7c0b37e50b5e2ef4087c

    • SHA256

      13df4655f33615850a8d9cc85ec34d190a0295d9465fbf300cf0f2ca188018c3

    • SHA512

      a96caeeac6c7915e9cf7da8aa09ac8110d2eeb7059565a781c15e096479bc406626a6b9538ffb05200d1e2caa3458ca00fe7c355c63b43456024608195498d14

    • SSDEEP

      1572864:ptIupuqVjl/lWWdP4OkiqOv8im2AUdfUE7nlhnwgiYweyJulZUdg/Xgz2UZvkOJv:AYFrbdgOknOv8i3XfNLwZpu7XgznkOF

    Score
    9/10
    defense_evasiondiscoveryexecutionpersistenceupx

    • 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

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • UPX packed file

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

      upx
    behavioral1

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

Subvert Trust Controls

1
T1553

SIP and Trust Provider Hijacking

1
T1553.003

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Discovery

Browser Information Discovery

1
T1217

File and Directory Discovery

1
T1083

Query Registry

2
T1012

System Information Discovery

1
T1082

Virtualization/Sandbox Evasion

1
T1497

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks