General

  • Target

    9753fa449c2008a2342f394a4dc99b823ff1cbe32bf60b17359c2bd187f815a5

  • Size

    625KB

  • Sample

    230604-s83nladc4v

  • MD5

    dee48f6daec40f05233d5a2c59ff8d38

  • SHA1

    591ca6cbbb3ecdff4eb35a8ca409826943b35f28

  • SHA256

    9753fa449c2008a2342f394a4dc99b823ff1cbe32bf60b17359c2bd187f815a5

  • SHA512

    7c84cb960b9522a790c12f61411116f08c83175228f08ee7cceb6985b28167c10d405b3db54e9a2d985b0a614b18de047a952a9d085c30169c0d4c312dc0a648

  • SSDEEP

    12288:/Mrby90/TEyS91VOzOArUJe5Oaf5/gjMSxPBGniT8wEqHxrdhPa3hN1SKuonZI/N:MymE1AOeBNgjPPBGiYwEkxJhSxN1p+/N

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

      9753fa449c2008a2342f394a4dc99b823ff1cbe32bf60b17359c2bd187f815a5

    • Size

      625KB

    • MD5

      dee48f6daec40f05233d5a2c59ff8d38

    • SHA1

      591ca6cbbb3ecdff4eb35a8ca409826943b35f28

    • SHA256

      9753fa449c2008a2342f394a4dc99b823ff1cbe32bf60b17359c2bd187f815a5

    • SHA512

      7c84cb960b9522a790c12f61411116f08c83175228f08ee7cceb6985b28167c10d405b3db54e9a2d985b0a614b18de047a952a9d085c30169c0d4c312dc0a648

    • SSDEEP

      12288:/Mrby90/TEyS91VOzOArUJe5Oaf5/gjMSxPBGniT8wEqHxrdhPa3hN1SKuonZI/N:MymE1AOeBNgjPPBGiYwEkxJhSxN1p+/N

    • 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