Overview

overview

10

Static

static

10

source_prepared.exe

windows7-x64

7

source_prepared.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    source_prepared.exe

  • Size

    86.9MB

  • Sample

    250210-p5xrdssrhx

  • MD5

    7101ab3efaf3baf5c615b9d6d111fdf6

  • SHA1

    ebef4c414ef1b3811e674a3cab69ff99fa984839

  • SHA256

    e92cd8e53a7a0f1240cf674c1834be4085ffac351d568f287c5cedb6b5cbd036

  • SHA512

    81e65189f8f0b76bd03f53ded4c2c5ad99079724282dc110e28ae4975c8c9a7e9456527f6ed113dfd7fb105e649891cbda29de66039852502c1c68df12222f35

  • SSDEEP

    1572864:t2GKl+WXr8sm/OkiqOv8im2A+79E7olitnnBiYgj+h58sMwA3e3VilcJ5Vrh:tnK4Dsm/OknOv8i3J7pwpT503e3VhV

Score
10/10
pysilondefense_evasiondiscoveryexecutionpersistencepyinstallerupx

Malware Config

Targets

    • Target

      source_prepared.exe

    • Size

      86.9MB

    • MD5

      7101ab3efaf3baf5c615b9d6d111fdf6

    • SHA1

      ebef4c414ef1b3811e674a3cab69ff99fa984839

    • SHA256

      e92cd8e53a7a0f1240cf674c1834be4085ffac351d568f287c5cedb6b5cbd036

    • SHA512

      81e65189f8f0b76bd03f53ded4c2c5ad99079724282dc110e28ae4975c8c9a7e9456527f6ed113dfd7fb105e649891cbda29de66039852502c1c68df12222f35

    • SSDEEP

      1572864:t2GKl+WXr8sm/OkiqOv8im2A+79E7olitnnBiYgj+h58sMwA3e3VilcJ5Vrh:tnK4Dsm/OknOv8i3J7pwpT503e3VhV

    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