General

  • Target

    bf8f78133837742c9f5e5c8e9241407bd5967efd7f240f39fd76df7b5fb28298

  • Size

    625KB

  • Sample

    230604-sx3jfsdb9v

  • MD5

    1ce3e3f9af492e8cbac19c547d25e60c

  • SHA1

    358f4429d811bde1da6023bd388a808edfc62515

  • SHA256

    bf8f78133837742c9f5e5c8e9241407bd5967efd7f240f39fd76df7b5fb28298

  • SHA512

    d30d1861c93d13f87d6b908b7555771546e47710145b344e162a2ea27175517df6bf84b7286244ed66ace98642fe238e4b73e91a4e19524c97b71c7da34315f8

  • SSDEEP

    12288:SMrzy90GWXTinU3afuGKf9CuTHPHSS4DgnuFgnQCP8QaEbuNHNL5Wi/1Z:ZyFWDU/fzW17H1uuPqE4NlP1Z

Malware Config

Extracted

Family

redline

Botnet

dusa

C2

83.97.73.126:19046

Attributes
  • auth_value

    ee896466545fedf9de5406175fb82de5

Extracted

Family

redline

Botnet

brain

C2

83.97.73.126:19046

Attributes
  • auth_value

    5fb8269baadec0c49899b9a7a0c8851f

Targets

    • Target

      bf8f78133837742c9f5e5c8e9241407bd5967efd7f240f39fd76df7b5fb28298

    • Size

      625KB

    • MD5

      1ce3e3f9af492e8cbac19c547d25e60c

    • SHA1

      358f4429d811bde1da6023bd388a808edfc62515

    • SHA256

      bf8f78133837742c9f5e5c8e9241407bd5967efd7f240f39fd76df7b5fb28298

    • SHA512

      d30d1861c93d13f87d6b908b7555771546e47710145b344e162a2ea27175517df6bf84b7286244ed66ace98642fe238e4b73e91a4e19524c97b71c7da34315f8

    • SSDEEP

      12288:SMrzy90GWXTinU3afuGKf9CuTHPHSS4DgnuFgnQCP8QaEbuNHNL5Wi/1Z:ZyFWDU/fzW17H1uuPqE4NlP1Z

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • 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.

    • 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.

    • 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

2
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Tasks