General

  • Target

    3b4960fd09b6bccffcf633d3a6960c77a31e9a58870d3c9a22438b3fcd938374

  • Size

    1.1MB

  • Sample

    230514-1ktd1sdf82

  • MD5

    755a7f81fcf07d9a613a44c4e174e4bf

  • SHA1

    239eb9e84bfd275a7decd60fd2a4da352f8499a2

  • SHA256

    3b4960fd09b6bccffcf633d3a6960c77a31e9a58870d3c9a22438b3fcd938374

  • SHA512

    cbb002721e476856249fa094d851975f277fbdebced80ab83845186aa87366731d055cb18bd5bc58fb07a9a8a2814a2ac975bf4c9ad541d7cf627a80875d3e44

  • SSDEEP

    24576:+yPdok/Hu/6p+jE5r7ed+MkjT336vOZPFWWiR7pfkTiw6jW:NPdok/06gjE5Pm+MgD36vCFOR72uh

Malware Config

Extracted

Family

redline

Botnet

linda

C2

185.161.248.75:4132

Attributes
  • auth_value

    21cdc21d041667b9c1679f88a1146770

Extracted

Family

redline

Botnet

horor

C2

185.161.248.75:4132

Attributes
  • auth_value

    b8d506fe48db15c38fb031d07f42d529

Targets

    • Target

      3b4960fd09b6bccffcf633d3a6960c77a31e9a58870d3c9a22438b3fcd938374

    • Size

      1.1MB

    • MD5

      755a7f81fcf07d9a613a44c4e174e4bf

    • SHA1

      239eb9e84bfd275a7decd60fd2a4da352f8499a2

    • SHA256

      3b4960fd09b6bccffcf633d3a6960c77a31e9a58870d3c9a22438b3fcd938374

    • SHA512

      cbb002721e476856249fa094d851975f277fbdebced80ab83845186aa87366731d055cb18bd5bc58fb07a9a8a2814a2ac975bf4c9ad541d7cf627a80875d3e44

    • SSDEEP

      24576:+yPdok/Hu/6p+jE5r7ed+MkjT336vOZPFWWiR7pfkTiw6jW:NPdok/06gjE5Pm+MgD36vCFOR72uh

    • 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