General

  • Target

    4f992951fe327b14e3351a6a45fdd34abc206f7ee6d85e1947d316a3e3bae481

  • Size

    539KB

  • Sample

    230324-n61zrseb55

  • MD5

    6ee09803e83e16aabd543cf573d6e783

  • SHA1

    2e6e9d5207ccbb1f0f419742ffb53773ae0b1d58

  • SHA256

    4f992951fe327b14e3351a6a45fdd34abc206f7ee6d85e1947d316a3e3bae481

  • SHA512

    a867e5cdf5e5ca55be0931e1d427f733d337e730a93e091e29674818a9ada9aa55097079761ca3a322d7e733096bb2c66d0a29529a8473630104b88b26f10b87

  • SSDEEP

    12288:ZMrgy90zv0olt/Gyt5qv49UwQVCpxrWoIk:FymvPkg5q6QUrWon

Malware Config

Extracted

Family

redline

Botnet

down

C2

193.233.20.31:4125

Attributes
  • auth_value

    12c31a90c72f5efae8c053a0bd339381

Extracted

Family

redline

Botnet

hero

C2

193.233.20.31:4125

Attributes
  • auth_value

    11f3c75a88ca461bcc8d6bf60a1193e3

Targets

    • Target

      4f992951fe327b14e3351a6a45fdd34abc206f7ee6d85e1947d316a3e3bae481

    • Size

      539KB

    • MD5

      6ee09803e83e16aabd543cf573d6e783

    • SHA1

      2e6e9d5207ccbb1f0f419742ffb53773ae0b1d58

    • SHA256

      4f992951fe327b14e3351a6a45fdd34abc206f7ee6d85e1947d316a3e3bae481

    • SHA512

      a867e5cdf5e5ca55be0931e1d427f733d337e730a93e091e29674818a9ada9aa55097079761ca3a322d7e733096bb2c66d0a29529a8473630104b88b26f10b87

    • SSDEEP

      12288:ZMrgy90zv0olt/Gyt5qv49UwQVCpxrWoIk:FymvPkg5q6QUrWon

    • 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