General

  • Target

    https://cdn.discordapp.com/attachments/1238900048146862181/1242259170124632084/TZX.zip?ex=668c7782&is=668b2602&hm=306930f913bb2c052c857c2f62b3c84b9b284bca05e11e7dbb99fef48178e42b&

  • Sample

    240708-hl2gxaxdlq

Malware Config

Extracted

Language
ps1
Source
URLs
ps1.dropper

https://rentry.org/lem61111111111/raw

Targets

    • Target

      https://cdn.discordapp.com/attachments/1238900048146862181/1242259170124632084/TZX.zip?ex=668c7782&is=668b2602&hm=306930f913bb2c052c857c2f62b3c84b9b284bca05e11e7dbb99fef48178e42b&

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • Rhadamanthys

      Rhadamanthys is an info stealer written in C++ first seen in August 2022.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Checks installed software on the system

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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks