General

  • Target

    00a8219e62f674eb81a659981d3cee2e358042b356a5179a832b5ea122e1ba1b

  • Size

    624KB

  • Sample

    230604-r2bqvsda9z

  • MD5

    f673fd77bb999f12cd9d470747aad031

  • SHA1

    03e0c0637b367f47f3558f35a6b50e905373c1d2

  • SHA256

    00a8219e62f674eb81a659981d3cee2e358042b356a5179a832b5ea122e1ba1b

  • SHA512

    0f3d51bd29b26c9458e1bc538815ded5574b79d628230e12f40e888616cb23758d958f9c4768c77068fc9842f8742d9d99aff349646c62f173e81d84c4cd1a16

  • SSDEEP

    12288:rMrNy909MutVfaWrUkZOUjqoYGz7lE0jcHzSe6:qy4+WrvgUjqollTGzSJ

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

      00a8219e62f674eb81a659981d3cee2e358042b356a5179a832b5ea122e1ba1b

    • Size

      624KB

    • MD5

      f673fd77bb999f12cd9d470747aad031

    • SHA1

      03e0c0637b367f47f3558f35a6b50e905373c1d2

    • SHA256

      00a8219e62f674eb81a659981d3cee2e358042b356a5179a832b5ea122e1ba1b

    • SHA512

      0f3d51bd29b26c9458e1bc538815ded5574b79d628230e12f40e888616cb23758d958f9c4768c77068fc9842f8742d9d99aff349646c62f173e81d84c4cd1a16

    • SSDEEP

      12288:rMrNy909MutVfaWrUkZOUjqoYGz7lE0jcHzSe6:qy4+WrvgUjqollTGzSJ

    • 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