Overview

overview

10

Static

static

10

RayjuLoader.exe

windows7-x64

7

RayjuLoader.exe

windows10-2004-x64

9

Sharing

Copy URL
Twitter E-mail

General

  • Target

    Loader.zip

  • Size

    20.5MB

  • Sample

    240917-yyxmgssfnn

  • MD5

    51496ddfdaf081f1df620fd575a88e6c

  • SHA1

    2902130b37ebdce1fd9a2b736b56c42e6dd28f82

  • SHA256

    e9e982832204ed918b6850030f7c45279ce44d2b6f8754e00803dbde1349cf50

  • SHA512

    8b47751ee4affa7a23d520b0bbb1f16179a07f530cda02e4dd20bc11d260aeccbdb0ba0c73eb5a50104515e551363192b386e5c0d4e49b4ff387e0771892d54e

  • SSDEEP

    393216:fm3vzn3xufWSrA1atNWMdksNAO/oVxOhVTRDHrL7rFmvCZvKqvBo:O37n36WSrA1toWK/13PFmvGJvm

Score
10/10
empyreancredential_accessdiscoverypersistenceprivilege_escalationpyinstallerspywarestealerupx

Malware Config

Targets

    • Target

      RayjuLoader.exe

    • Size

      20.7MB

    • MD5

      1640f537110f96776fd3f0d4530570b2

    • SHA1

      7e5df1a5abdfeaed034b0d37465fc2cfe15ed451

    • SHA256

      5be746cc4b403263436f259d24e17fb72b2a5b27fd6e39680d8dc22efe776ae0

    • SHA512

      6f09397b34191bdcbbbc00f79ddd145e19b8be6b5a163159c5ff5a379ad394b3a6c328114ad43ab51511700d0491d58b95272009afcd0c4e5229d7a319492c22

    • SSDEEP

      393216:IqPnLFXlreQbq7oBDOETgsvcGGgSu5HsZjT5hQVAkPvmwMNBJ:5PLFXNeQbq7PEsI6NPOPvmJ

    Score
    9/10
    upxcredential_accessdiscoverypersistenceprivilege_escalationspywarestealer

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

      credential_accessstealer

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • UPX packed file

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

      upx

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Browser Information Discovery

1
T1217

System Network Configuration Discovery

1
T1016

Wi-Fi Discovery

1
T1016.002

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks