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

    59.7MB

  • Sample

    250214-wgfarswjen

  • MD5

    ec591bd84a93518bbabcca6490db9d7f

  • SHA1

    b1b1eea638ec5e1630532fc6af8b845672818da1

  • SHA256

    c329a1a274a50588a935fdbf6b5f79fd64ae78ec5b55a9614915e48ab316e82e

  • SHA512

    ce363990f40e99d1f93a7b7fa38bcda0e0bcf95cefe025061f19ecc816f94ab77207df3647d747d09bee5738a1c1bc7464d38c1c057aa8c4067113196349d6d7

  • SSDEEP

    1572864:uVjl9KW561RnOkiqOv8im2A3+TUE7glSe7fEoI6XhK2zjIH:6ed1RnOknOv8i36+Tm8PovXQdH

Score
10/10
pysilondefense_evasiondiscoveryexecutionpersistencepyinstallerupx

Malware Config

Targets

    • Target

      source_prepared.exe

    • Size

      59.7MB

    • MD5

      ec591bd84a93518bbabcca6490db9d7f

    • SHA1

      b1b1eea638ec5e1630532fc6af8b845672818da1

    • SHA256

      c329a1a274a50588a935fdbf6b5f79fd64ae78ec5b55a9614915e48ab316e82e

    • SHA512

      ce363990f40e99d1f93a7b7fa38bcda0e0bcf95cefe025061f19ecc816f94ab77207df3647d747d09bee5738a1c1bc7464d38c1c057aa8c4067113196349d6d7

    • SSDEEP

      1572864:uVjl9KW561RnOkiqOv8im2A3+TUE7glSe7fEoI6XhK2zjIH:6ed1RnOknOv8i36+Tm8PovXQdH

    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