General

  • Target

    f7af7dd96ac552a173e3f9918954637331e982a3c9da667a6b0d9862c7bf634c

  • Size

    544KB

  • Sample

    230323-1crv8acc4x

  • MD5

    f381eadda868dfe259b72be448beaf93

  • SHA1

    f4e8c5f6052d1965e3e00daee08fa8d746180c39

  • SHA256

    f7af7dd96ac552a173e3f9918954637331e982a3c9da667a6b0d9862c7bf634c

  • SHA512

    73ac39fde0d6312d3e6e7b2fd5966fd437c46daea49cde2b71f173ded3036947b856aabeb7bab48522090319b8b8fc7823ea942329947874d6861696a73d7012

  • SSDEEP

    12288:2Mrsy90JnRXejC5MQ3fw0ObS/qgU5MLBwJUZZTdXHbkJnFKw:uyy1LdIMAMtpFdX7kJFKw

Malware Config

Extracted

Family

redline

Botnet

down

C2

193.233.20.31:4125

Attributes
  • auth_value

    12c31a90c72f5efae8c053a0bd339381

Extracted

Family

redline

Botnet

real

C2

193.233.20.31:4125

Attributes
  • auth_value

    bb22a50228754849387d5f4d1611e71b

Targets

    • Target

      f7af7dd96ac552a173e3f9918954637331e982a3c9da667a6b0d9862c7bf634c

    • Size

      544KB

    • MD5

      f381eadda868dfe259b72be448beaf93

    • SHA1

      f4e8c5f6052d1965e3e00daee08fa8d746180c39

    • SHA256

      f7af7dd96ac552a173e3f9918954637331e982a3c9da667a6b0d9862c7bf634c

    • SHA512

      73ac39fde0d6312d3e6e7b2fd5966fd437c46daea49cde2b71f173ded3036947b856aabeb7bab48522090319b8b8fc7823ea942329947874d6861696a73d7012

    • SSDEEP

      12288:2Mrsy90JnRXejC5MQ3fw0ObS/qgU5MLBwJUZZTdXHbkJnFKw:uyy1LdIMAMtpFdX7kJFKw

    • 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