General

  • Target

    f4654ad71ec6e8a1cb7091beac169832d0d00599b9c036e884d831c2bb46f9b8.exe

  • Size

    1.1MB

  • Sample

    230514-xa3m6afc7w

  • MD5

    8454f5d8b67bac2c3df0f41bce18b3f6

  • SHA1

    1b8ca3a02d93886b7fc24108f5a29bd7a0a9bb13

  • SHA256

    f4654ad71ec6e8a1cb7091beac169832d0d00599b9c036e884d831c2bb46f9b8

  • SHA512

    6c90247d546667d811955660aebfc3c31ea26fdf60a18247334853d303d68b3a024423abfcba9599169a6ff374808c7ae1188868be7fcd3179842e4538fdfff2

  • SSDEEP

    24576:MyDMRFhPg5/G64lMHtrkzuLjZXNSZmzj0/somZgS:7UiGnMNYUZXNbWiZ

Malware Config

Extracted

Family

redline

Botnet

derek

C2

185.161.248.75:4132

Attributes
  • auth_value

    c7030724b2b40537db5ba680b1d82ed2

Extracted

Family

redline

Botnet

warum

C2

185.161.248.75:4132

Attributes
  • auth_value

    0bdb2dda91dadc65f555dee088a6a2a4

Targets

    • Target

      f4654ad71ec6e8a1cb7091beac169832d0d00599b9c036e884d831c2bb46f9b8.exe

    • Size

      1.1MB

    • MD5

      8454f5d8b67bac2c3df0f41bce18b3f6

    • SHA1

      1b8ca3a02d93886b7fc24108f5a29bd7a0a9bb13

    • SHA256

      f4654ad71ec6e8a1cb7091beac169832d0d00599b9c036e884d831c2bb46f9b8

    • SHA512

      6c90247d546667d811955660aebfc3c31ea26fdf60a18247334853d303d68b3a024423abfcba9599169a6ff374808c7ae1188868be7fcd3179842e4538fdfff2

    • SSDEEP

      24576:MyDMRFhPg5/G64lMHtrkzuLjZXNSZmzj0/somZgS:7UiGnMNYUZXNbWiZ

    • 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

    • 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

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Tasks