General

  • Target

    e040fae69c72546da16f85b814de24c32b2918b3b529bb89ad9594f79e27408b

  • Size

    624KB

  • Sample

    230604-tefgmsdc5v

  • MD5

    4dd096a372feedbaf69cc50e7dc9243b

  • SHA1

    fb79ac5c3751614f21c6abd0ef3c8a580f4d466b

  • SHA256

    e040fae69c72546da16f85b814de24c32b2918b3b529bb89ad9594f79e27408b

  • SHA512

    592e2fc571c4be45bff3d6ef57d2eb5c85202b1a3199b7bc02c1e7853390ef02f3542081923500ea70bb7c8937c9395421918f101860f6d142c3c112fd5635d8

  • SSDEEP

    12288:8Mrmy90B66JN+hL5fPn3AqkvzvzJVkgAr5SclhM+FoDKj5Px:yyj6gLxn3AqsXJm9NHFFT

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

      e040fae69c72546da16f85b814de24c32b2918b3b529bb89ad9594f79e27408b

    • Size

      624KB

    • MD5

      4dd096a372feedbaf69cc50e7dc9243b

    • SHA1

      fb79ac5c3751614f21c6abd0ef3c8a580f4d466b

    • SHA256

      e040fae69c72546da16f85b814de24c32b2918b3b529bb89ad9594f79e27408b

    • SHA512

      592e2fc571c4be45bff3d6ef57d2eb5c85202b1a3199b7bc02c1e7853390ef02f3542081923500ea70bb7c8937c9395421918f101860f6d142c3c112fd5635d8

    • SSDEEP

      12288:8Mrmy90B66JN+hL5fPn3AqkvzvzJVkgAr5SclhM+FoDKj5Px:yyj6gLxn3AqsXJm9NHFFT

    • 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