General

  • Target

    b84ea20a3c518474fc383cacb4a599b937eafc97853d5f188bae50b813f0cd24

  • Size

    690KB

  • Sample

    230324-caeacabe58

  • MD5

    e01e61cb07998103edb1adfd159bb8da

  • SHA1

    f862b89f26230223ccb697950909aab4a403cef0

  • SHA256

    b84ea20a3c518474fc383cacb4a599b937eafc97853d5f188bae50b813f0cd24

  • SHA512

    0164976e4a9e4d62d7b8d9cdb7ef685694e7b238cd75d8ea957c9659b7de654abd626d35fcca83f0961d9a17af70e4c64dd54d2fe2f67db5323012800c9c35f3

  • SSDEEP

    12288:zUjIXjpVmeRF7euMA4AFtz53CdFNBPT/0TI3VEN+5Q8oe4yY:zUEH9beq7Ftz53CdP6T+V7SF

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

      b84ea20a3c518474fc383cacb4a599b937eafc97853d5f188bae50b813f0cd24

    • Size

      690KB

    • MD5

      e01e61cb07998103edb1adfd159bb8da

    • SHA1

      f862b89f26230223ccb697950909aab4a403cef0

    • SHA256

      b84ea20a3c518474fc383cacb4a599b937eafc97853d5f188bae50b813f0cd24

    • SHA512

      0164976e4a9e4d62d7b8d9cdb7ef685694e7b238cd75d8ea957c9659b7de654abd626d35fcca83f0961d9a17af70e4c64dd54d2fe2f67db5323012800c9c35f3

    • SSDEEP

      12288:zUjIXjpVmeRF7euMA4AFtz53CdFNBPT/0TI3VEN+5Q8oe4yY:zUEH9beq7Ftz53CdP6T+V7SF

    • 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