Overview

overview

10

Static

static

10

yomograbber.exe

windows11-21h2-x64

9

Sharing

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General

  • Target

    yomograbber.exe

  • Size

    80.6MB

  • Sample

    241230-zktt4s1jgz

  • MD5

    5d2d54141fc7d7ff6b8af8b9b68a7f77

  • SHA1

    5bd91851bb2bcdda7aea6ef7d826c24a31c71e54

  • SHA256

    0d2cc70018449c4a4eb0081f24d918a1231ebc956a03b51b7f6a4b54f3afd778

  • SHA512

    6d4a0cc06d8a87a629dd798628f5821113a792724b38f340f902781a26ebdf73de369cef727ff2cd3afd03e4edc37da350e55df6b68240d87d8770f634901089

  • SSDEEP

    1572864:tGKlgWjysmwSk8IpG7V+VPhqHJE7Bbli08iYgj+h58sMwnDBZB:MKi1smwSkB05awHSw025jt

Score
10/10
pysilondiscoveryevasionexecutionpersistenceprivilege_escalationpyinstallerupx

Malware Config

Targets

    • Target

      yomograbber.exe

    • Size

      80.6MB

    • MD5

      5d2d54141fc7d7ff6b8af8b9b68a7f77

    • SHA1

      5bd91851bb2bcdda7aea6ef7d826c24a31c71e54

    • SHA256

      0d2cc70018449c4a4eb0081f24d918a1231ebc956a03b51b7f6a4b54f3afd778

    • SHA512

      6d4a0cc06d8a87a629dd798628f5821113a792724b38f340f902781a26ebdf73de369cef727ff2cd3afd03e4edc37da350e55df6b68240d87d8770f634901089

    • SSDEEP

      1572864:tGKlgWjysmwSk8IpG7V+VPhqHJE7Bbli08iYgj+h58sMwnDBZB:MKi1smwSkB05awHSw025jt

    Score
    9/10
    discoveryevasionexecutionpersistenceprivilege_escalationupx

    • 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

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

      persistenceprivilege_escalation

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Drops desktop.ini file(s)

    • Checks system information in the registry

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

    • 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

Event Triggered Execution

2
T1546

Change Default File Association

1
T1546.001

Component Object Model Hijacking

1
T1546.015

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

2
T1546

Change Default File Association

1
T1546.001

Component Object Model Hijacking

1
T1546.015

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Modify Registry

3
T1112

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Discovery

File and Directory Discovery

1
T1083

Query Registry

3
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Virtualization/Sandbox Evasion

1
T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks