General

  • Target

    ab2566e35fedbbd51f7812b28f625539bbf2e11b4bc9406938615cb057d5dbec

  • Size

    544KB

  • Sample

    230323-z3txtsab86

  • MD5

    6667f1b1d3de6791af6b7aaed61dbefe

  • SHA1

    7e85cd936f5056260d46ad3868640bb327d546e8

  • SHA256

    ab2566e35fedbbd51f7812b28f625539bbf2e11b4bc9406938615cb057d5dbec

  • SHA512

    1c466c262e220788a031d503571d32bfb95bda2098caf6080385abf991d7c2055423b0aa3f6b3e936d7590b9e8075350eb066ac214d7b1324fe89f284325548b

  • SSDEEP

    12288:dMrUy904KxNqOi3yC3Fp8FqgUNMLmwGMiMUrM8qnX8FR:ZyKNql/L8rQMi1sU9qnXcR

Malware Config

Extracted

Family

redline

Botnet

down

C2

193.233.20.31:4125

Attributes
  • auth_value

    12c31a90c72f5efae8c053a0bd339381

Extracted

Family

redline

Botnet

real

C2

193.233.20.31:4125

Attributes
  • auth_value

    bb22a50228754849387d5f4d1611e71b

Targets

    • Target

      ab2566e35fedbbd51f7812b28f625539bbf2e11b4bc9406938615cb057d5dbec

    • Size

      544KB

    • MD5

      6667f1b1d3de6791af6b7aaed61dbefe

    • SHA1

      7e85cd936f5056260d46ad3868640bb327d546e8

    • SHA256

      ab2566e35fedbbd51f7812b28f625539bbf2e11b4bc9406938615cb057d5dbec

    • SHA512

      1c466c262e220788a031d503571d32bfb95bda2098caf6080385abf991d7c2055423b0aa3f6b3e936d7590b9e8075350eb066ac214d7b1324fe89f284325548b

    • SSDEEP

      12288:dMrUy904KxNqOi3yC3Fp8FqgUNMLmwGMiMUrM8qnX8FR:ZyKNql/L8rQMi1sU9qnXcR

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine payload

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Windows security modification

    • 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.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

2
T1089

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

2
T1005

Tasks