Overview

overview

10

Static

static

1

URLScan

urlscan

1

https://drive.google...

windows10-1703-x64

10

https://drive.google...

windows10-2004-x64

10

Sharing

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General

  • Target

    https://drive.google.com/uc?export=download&confirm=no_antivirus&id=1-ET3snlA2cVkSmeBv30QBVPVX_3XeYYu

  • Sample

    230203-q2xgwsba8w

Score
10/10
purecrypterdiscoverydownloaderloaderpersistence

Malware Config

Extracted

Family

purecrypter

C2

https://knickglobal.com/wp-admin/images/css/design/fabric/bo/Odcny.dll

Targets

    • Target

      https://drive.google.com/uc?export=download&confirm=no_antivirus&id=1-ET3snlA2cVkSmeBv30QBVPVX_3XeYYu

    Score
    10/10
    purecrypterdownloaderloaderpersistencediscovery

    • Detect PureCrypter injector

      loader

    • PureCrypter

      PureCrypter is a .NET malware loader first seen in early 2021.

      loaderdownloaderpurecrypter

    • Blocklisted process makes network request

    • Sets service image path in registry

      persistence

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks