General

  • Target

    c4b74b889853d962d5e94d5e8e8b655854ae61be33258dfb5772e559a81b9e63

  • Size

    625KB

  • Sample

    230604-r38f8acd97

  • MD5

    3ef90b941e8877d4996c631a8d8cc174

  • SHA1

    94c5ec6bdfbaad679c92f790a6b5e0ec4491e6ac

  • SHA256

    c4b74b889853d962d5e94d5e8e8b655854ae61be33258dfb5772e559a81b9e63

  • SHA512

    5823d2da9929c3c63cdde89c6f6a2b466c5d73d711e8daba3a68620bb3155283c83e3f01badb7b850d0938b6cb2b9c99b61230e385db003200fdc9d14eee608d

  • SSDEEP

    12288:YMrBy904LgohUDir86zztsLjb5dLj4b8baedxNNJ4yi3cjvWJlT:py7yDir5vwPXo8btdx4GkT

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

      c4b74b889853d962d5e94d5e8e8b655854ae61be33258dfb5772e559a81b9e63

    • Size

      625KB

    • MD5

      3ef90b941e8877d4996c631a8d8cc174

    • SHA1

      94c5ec6bdfbaad679c92f790a6b5e0ec4491e6ac

    • SHA256

      c4b74b889853d962d5e94d5e8e8b655854ae61be33258dfb5772e559a81b9e63

    • SHA512

      5823d2da9929c3c63cdde89c6f6a2b466c5d73d711e8daba3a68620bb3155283c83e3f01badb7b850d0938b6cb2b9c99b61230e385db003200fdc9d14eee608d

    • SSDEEP

      12288:YMrBy904LgohUDir86zztsLjb5dLj4b8baedxNNJ4yi3cjvWJlT:py7yDir5vwPXo8btdx4GkT

    • 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