General

  • Target

    3396cb1b9f93472cb2961df5a08ca56d824ef21d9f3706de41f9fd1f6d0685f5

  • Size

    625KB

  • Sample

    230604-sd2g2sdb5t

  • MD5

    d1e48d690a8efad4158ca5099120b708

  • SHA1

    dc40d0139630495de2754de1d5f80998e97948bf

  • SHA256

    3396cb1b9f93472cb2961df5a08ca56d824ef21d9f3706de41f9fd1f6d0685f5

  • SHA512

    7376964d747bbf5b9ccadbd79eb49d0f95bb3de83557c867951e7453e321ef6c5b51765e3add4a585fa54a5119cae4793fa4f85e590c369d8b04d547398a9e14

  • SSDEEP

    12288:uMrgy90K5gapsdEQ9UHUjiyBamCKOVEVxNDWSwrIUENb0hs7:ey951kEQWkamqixNAsUzo

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

      3396cb1b9f93472cb2961df5a08ca56d824ef21d9f3706de41f9fd1f6d0685f5

    • Size

      625KB

    • MD5

      d1e48d690a8efad4158ca5099120b708

    • SHA1

      dc40d0139630495de2754de1d5f80998e97948bf

    • SHA256

      3396cb1b9f93472cb2961df5a08ca56d824ef21d9f3706de41f9fd1f6d0685f5

    • SHA512

      7376964d747bbf5b9ccadbd79eb49d0f95bb3de83557c867951e7453e321ef6c5b51765e3add4a585fa54a5119cae4793fa4f85e590c369d8b04d547398a9e14

    • SSDEEP

      12288:uMrgy90K5gapsdEQ9UHUjiyBamCKOVEVxNDWSwrIUENb0hs7:ey951kEQWkamqixNAsUzo

    • 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