General

  • Target

    91fe20dd641a65e12c4e094fa37fdb3649ef60a68592e6234bd4e936d44b53b7

  • Size

    538KB

  • Sample

    230324-l4ktnade82

  • MD5

    72f219a29f466019716844d35d8df2a3

  • SHA1

    f4381a186c3d884766d8de161566f40c96b92478

  • SHA256

    91fe20dd641a65e12c4e094fa37fdb3649ef60a68592e6234bd4e936d44b53b7

  • SHA512

    9ef957a796ffce3fc68e378a0b874f48b4c8daccd6d3f862c213feda4884f0e5dad8b826b3bf0dcbfb32ed00a11fbd88e603578fe22008ffbceafe4c30427321

  • SSDEEP

    12288:sMr2y90TOFvb3augq2z0wxYRxVI4+yAgHWQW7XtJ2:qy1N2uez9xYTsPPQkw

Malware Config

Extracted

Family

redline

Botnet

down

C2

193.233.20.31:4125

Attributes
  • auth_value

    12c31a90c72f5efae8c053a0bd339381

Extracted

Family

redline

Botnet

hero

C2

193.233.20.31:4125

Attributes
  • auth_value

    11f3c75a88ca461bcc8d6bf60a1193e3

Targets

    • Target

      91fe20dd641a65e12c4e094fa37fdb3649ef60a68592e6234bd4e936d44b53b7

    • Size

      538KB

    • MD5

      72f219a29f466019716844d35d8df2a3

    • SHA1

      f4381a186c3d884766d8de161566f40c96b92478

    • SHA256

      91fe20dd641a65e12c4e094fa37fdb3649ef60a68592e6234bd4e936d44b53b7

    • SHA512

      9ef957a796ffce3fc68e378a0b874f48b4c8daccd6d3f862c213feda4884f0e5dad8b826b3bf0dcbfb32ed00a11fbd88e603578fe22008ffbceafe4c30427321

    • SSDEEP

      12288:sMr2y90TOFvb3augq2z0wxYRxVI4+yAgHWQW7XtJ2:qy1N2uez9xYTsPPQkw

    • 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