General

  • Target

    331064627d4361c3f3e3ba15d4d75afc.exe

  • Size

    1.1MB

  • Sample

    210313-ptwx49mrta

  • MD5

    331064627d4361c3f3e3ba15d4d75afc

  • SHA1

    090fa5f883dcd45de13f2a7896748925e26630ee

  • SHA256

    9234d9cc843e2d90cf272e76714371573ad4769d5e7e0de122120e45fec9cdea

  • SHA512

    aa87f34aa129eef8dc3eabbf9c097161779c6580add5f694e0c779d3f9e9ba369765e05c3ab1816765bbad43cf78ac04cb5af8db9838742710b0b4aa17481df0

Malware Config

Targets

    • Target

      331064627d4361c3f3e3ba15d4d75afc.exe

    • Size

      1.1MB

    • MD5

      331064627d4361c3f3e3ba15d4d75afc

    • SHA1

      090fa5f883dcd45de13f2a7896748925e26630ee

    • SHA256

      9234d9cc843e2d90cf272e76714371573ad4769d5e7e0de122120e45fec9cdea

    • SHA512

      aa87f34aa129eef8dc3eabbf9c097161779c6580add5f694e0c779d3f9e9ba369765e05c3ab1816765bbad43cf78ac04cb5af8db9838742710b0b4aa17481df0

    • RedLine

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

    • RedLine Payload

    • Looks for VirtualBox Guest Additions in registry

    • Executes dropped EXE

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

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

    • Loads dropped DLL

    • Modifies file permissions

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Maps connected drives based on registry

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

File Permissions Modification

1
T1222

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks