General

  • Target

    09aaaafe6a61760c7337e0c79a825bac8d3fed7d7306a21ff7945ad3b5555e9f

  • Size

    781KB

  • Sample

    230528-q5f93sfc24

  • MD5

    4d944b794484fdea8211f548fd946daf

  • SHA1

    fc48bbadcef1e0da917827f930e0167f6745aa08

  • SHA256

    09aaaafe6a61760c7337e0c79a825bac8d3fed7d7306a21ff7945ad3b5555e9f

  • SHA512

    ea96ab3164c09aff0e676c65397fc931b3df61b5079e2556c0110e7eefe871f9709782d81795f5ec99f7dd27d70230110567684a8fcbd86dd98cc73c4ee64068

  • SSDEEP

    12288:rMrfy90EivBepOZG8Oxn4ELT8IJg4WbJB4Ru8+uUWA/3rUCuERvas:8yz2BepOArxn4Ep6Iu8LUWA/39uCH

Malware Config

Extracted

Family

redline

Botnet

daswa

C2

83.97.73.127:19062

Attributes
  • auth_value

    a6ab6b8df5480a0bb295d3c069f67bf8

Extracted

Family

redline

Botnet

mirko

C2

83.97.73.127:19062

Attributes
  • auth_value

    35111a095377107ec8b7d3e035831af8

Targets

    • Target

      09aaaafe6a61760c7337e0c79a825bac8d3fed7d7306a21ff7945ad3b5555e9f

    • Size

      781KB

    • MD5

      4d944b794484fdea8211f548fd946daf

    • SHA1

      fc48bbadcef1e0da917827f930e0167f6745aa08

    • SHA256

      09aaaafe6a61760c7337e0c79a825bac8d3fed7d7306a21ff7945ad3b5555e9f

    • SHA512

      ea96ab3164c09aff0e676c65397fc931b3df61b5079e2556c0110e7eefe871f9709782d81795f5ec99f7dd27d70230110567684a8fcbd86dd98cc73c4ee64068

    • SSDEEP

      12288:rMrfy90EivBepOZG8Oxn4ELT8IJg4WbJB4Ru8+uUWA/3rUCuERvas:8yz2BepOArxn4Ep6Iu8LUWA/39uCH

    • 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.

    • 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

2
T1112

Disabling Security Tools

1
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