General

  • Target

    BTRSetp.exe

  • Size

    678KB

  • Sample

    210218-tycvdl9r2n

  • MD5

    b2d8ce7b40730bc6615728b1b1795ce9

  • SHA1

    5cf7a63f3ecc2184e7b2894c78538d89f7063fe1

  • SHA256

    ee4b58514316c6fc928e60245384560a24723e690a3311e8c2dd9e8efd5de7ca

  • SHA512

    cc79016627fb17a864ca3414f8bc598d52a9d17ec64ee1005b059a84597fe16493203879ff1c5a5ed46cf15a9e590098672a4b21a38852cace9bb02d8f1c531e

Malware Config

Targets

    • Target

      BTRSetp.exe

    • Size

      678KB

    • MD5

      b2d8ce7b40730bc6615728b1b1795ce9

    • SHA1

      5cf7a63f3ecc2184e7b2894c78538d89f7063fe1

    • SHA256

      ee4b58514316c6fc928e60245384560a24723e690a3311e8c2dd9e8efd5de7ca

    • SHA512

      cc79016627fb17a864ca3414f8bc598d52a9d17ec64ee1005b059a84597fe16493203879ff1c5a5ed46cf15a9e590098672a4b21a38852cace9bb02d8f1c531e

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine Payload

    • 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.

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks