General

  • Target

    31279d39409182e3e4fb50b9399866a9369adf46de69601c889cbff9df3e2ca9

  • Size

    690KB

  • Sample

    230323-3xd6zach7v

  • MD5

    b81e6329c67b66fc02826bb86b936c4e

  • SHA1

    41a4a27cdc7da727965fa19521a4317b1d27e8bc

  • SHA256

    31279d39409182e3e4fb50b9399866a9369adf46de69601c889cbff9df3e2ca9

  • SHA512

    e1efdbac616b22d4f9bcf19d8a2e504b5123f1d344a7a4837bdaf5d0ba38bebc48ccfc4ac736c902880095e2dc5705374e4e6606860bc717cbe3a982a5b6f9c8

  • SSDEEP

    12288:XMA1XlYcsasrYwYVQ7UsioJ8ijdV/EPUsWqunPfEzWfdkfvR1d/tXmwH:XM03s6w5UsPjD//sWqofEifG75tXvH

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

      31279d39409182e3e4fb50b9399866a9369adf46de69601c889cbff9df3e2ca9

    • Size

      690KB

    • MD5

      b81e6329c67b66fc02826bb86b936c4e

    • SHA1

      41a4a27cdc7da727965fa19521a4317b1d27e8bc

    • SHA256

      31279d39409182e3e4fb50b9399866a9369adf46de69601c889cbff9df3e2ca9

    • SHA512

      e1efdbac616b22d4f9bcf19d8a2e504b5123f1d344a7a4837bdaf5d0ba38bebc48ccfc4ac736c902880095e2dc5705374e4e6606860bc717cbe3a982a5b6f9c8

    • SSDEEP

      12288:XMA1XlYcsasrYwYVQ7UsioJ8ijdV/EPUsWqunPfEzWfdkfvR1d/tXmwH:XM03s6w5UsPjD//sWqofEifG75tXvH

    • 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