General

  • Target

    https://www.youtube.com/watch?v=0PSj5tkdFIc

  • Sample

    240524-rgzbesgh43

Malware Config

Targets

    • Target

      https://www.youtube.com/watch?v=0PSj5tkdFIc

    • RedLine

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

    • RedLine payload

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • XMRig Miner payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Creates new service(s)

    • Stops running service(s)

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • UPX packed file

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

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

System Services

2
T1569

Service Execution

2
T1569.002

Persistence

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Privilege Escalation

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Impair Defenses

1
T1562

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

1
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Collection

Data from Local System

2
T1005

Impact

Service Stop

1
T1489

Tasks