General

  • Target

    3cf01f23cb97d067b3478786361671d55ec219c1c1e20e4205d94c2a12a0ed3d

  • Size

    697KB

  • Sample

    230328-mekysscb5w

  • MD5

    a87733f3ce7e4e4b35d7b241d0bfb745

  • SHA1

    6d03f8323768c740afe097d19caaf6581695a7f9

  • SHA256

    3cf01f23cb97d067b3478786361671d55ec219c1c1e20e4205d94c2a12a0ed3d

  • SHA512

    59e523a08eb61d286b294c3636e2cbede489dcae18b048dfab56044d17748922dca531ac0bbf6d238fb0833b3559605ea9e2dfa824a2474b18c26e0abda54bde

  • SSDEEP

    12288:7Mrty90oxnVgoiiTOMk/WVhknKOiGGHv8Ikp8HOMJbL6nbGjTAxI9gTB9igz6eN6:uyXJVgfim/9nKONsv8RcOqGGjwI92r6r

Malware Config

Extracted

Family

redline

Botnet

rosn

C2

176.113.115.145:4125

Attributes
  • auth_value

    050a19e1db4d0024b0f23b37dcf961f4

Extracted

Family

redline

Botnet

muse

C2

176.113.115.145:4125

Attributes
  • auth_value

    b91988a63a24940038d9262827a5320c

Targets

    • Target

      3cf01f23cb97d067b3478786361671d55ec219c1c1e20e4205d94c2a12a0ed3d

    • Size

      697KB

    • MD5

      a87733f3ce7e4e4b35d7b241d0bfb745

    • SHA1

      6d03f8323768c740afe097d19caaf6581695a7f9

    • SHA256

      3cf01f23cb97d067b3478786361671d55ec219c1c1e20e4205d94c2a12a0ed3d

    • SHA512

      59e523a08eb61d286b294c3636e2cbede489dcae18b048dfab56044d17748922dca531ac0bbf6d238fb0833b3559605ea9e2dfa824a2474b18c26e0abda54bde

    • SSDEEP

      12288:7Mrty90oxnVgoiiTOMk/WVhknKOiGGHv8Ikp8HOMJbL6nbGjTAxI9gTB9igz6eN6:uyXJVgfim/9nKONsv8RcOqGGjwI92r6r

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine payload

    • Executes dropped EXE

    • 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.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

2
T1089

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

2
T1005

Tasks