General

  • Target

    f5abdd41f800585d97c5f1d081537855ca1e16ad3880323fce8632fdfc040e53

  • Size

    625KB

  • Sample

    230604-tp7zmscf63

  • MD5

    baaec6192ca27b6c66327c026677244f

  • SHA1

    fb1141a2edc1b3ab2e88cfe5eab7ab6a295dd47a

  • SHA256

    f5abdd41f800585d97c5f1d081537855ca1e16ad3880323fce8632fdfc040e53

  • SHA512

    c2c2d20ed83331a8d7d85ab529867ef30c70f0a8d1b61b69b62bb892f8eb1f53e6646fc52dec30902598493300ca40f1fe334fee681303647fcfecfdf92ae246

  • SSDEEP

    12288:uMrhy90fEzCO6yGdGnhpa0gowcbcWopcWJMLYihiPJLACIzhvJjwifst:fyuO6ddkra0pbjopcWJMsiLBJjwiUt

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

      f5abdd41f800585d97c5f1d081537855ca1e16ad3880323fce8632fdfc040e53

    • Size

      625KB

    • MD5

      baaec6192ca27b6c66327c026677244f

    • SHA1

      fb1141a2edc1b3ab2e88cfe5eab7ab6a295dd47a

    • SHA256

      f5abdd41f800585d97c5f1d081537855ca1e16ad3880323fce8632fdfc040e53

    • SHA512

      c2c2d20ed83331a8d7d85ab529867ef30c70f0a8d1b61b69b62bb892f8eb1f53e6646fc52dec30902598493300ca40f1fe334fee681303647fcfecfdf92ae246

    • SSDEEP

      12288:uMrhy90fEzCO6yGdGnhpa0gowcbcWopcWJMLYihiPJLACIzhvJjwifst:fyuO6ddkra0pbjopcWJMsiLBJjwiUt

    • 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.

    • 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

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks