General

  • Target

    3fd87fdf638d80491a62694f8ebd1be35ad581046d56a0631872520c95849737

  • Size

    771KB

  • Sample

    230608-slzcnagd37

  • MD5

    ec812c64accf0fb37f1ab6e97c33d34a

  • SHA1

    568389651827c1c453701aeed54468e4663518c1

  • SHA256

    3fd87fdf638d80491a62694f8ebd1be35ad581046d56a0631872520c95849737

  • SHA512

    f5005cf6ebd9c701d61a12987c9d0f0a249f4031f4cd852a3bec35fcce0589aa6ec385bf4e888ca786a40559b0542333c0d63a40a0d0aca093287bb488d8ecaf

  • SSDEEP

    12288:vMrXy90mrTzWbQ4QU/6DXZN7BmosxH5LEba4wpiPlaztStarH6Hub24PZPF6sd:4yNWnQU/4ZXPoLEu4aAaztpraHuak6C

Malware Config

Extracted

Family

redline

Botnet

maxi

C2

83.97.73.129:19068

Attributes
  • auth_value

    6a3f22e5f4209b056a3fd330dc71956a

Extracted

Family

redline

Botnet

sheron

C2

83.97.73.129:19068

Attributes
  • auth_value

    2d067e7e2372227d3a03b335260112e9

Targets

    • Target

      3fd87fdf638d80491a62694f8ebd1be35ad581046d56a0631872520c95849737

    • Size

      771KB

    • MD5

      ec812c64accf0fb37f1ab6e97c33d34a

    • SHA1

      568389651827c1c453701aeed54468e4663518c1

    • SHA256

      3fd87fdf638d80491a62694f8ebd1be35ad581046d56a0631872520c95849737

    • SHA512

      f5005cf6ebd9c701d61a12987c9d0f0a249f4031f4cd852a3bec35fcce0589aa6ec385bf4e888ca786a40559b0542333c0d63a40a0d0aca093287bb488d8ecaf

    • SSDEEP

      12288:vMrXy90mrTzWbQ4QU/6DXZN7BmosxH5LEba4wpiPlaztStarH6Hub24PZPF6sd:4yNWnQU/4ZXPoLEu4aAaztpraHuak6C

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • 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.

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

2
T1089

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks