General

  • Target

    cfd8ec11e7f31b239da8249c48a929db51c2e343879cdde9c59889100cb32f3b

  • Size

    544KB

  • Sample

    230323-zc576sbh91

  • MD5

    acb37f71d12bcb820ca1488ead46c052

  • SHA1

    069eb597cc34c2fe545a9c7ef7e3551303a73354

  • SHA256

    cfd8ec11e7f31b239da8249c48a929db51c2e343879cdde9c59889100cb32f3b

  • SHA512

    bafa2305cd12e5193afd6d5bbe73e06c5f7eb093194273501df63df4f0612a16bd2704a734606f86589144426904d3241f73e0ca278509ac464cacc6e99a5599

  • SSDEEP

    12288:AMrwy90ULM3dTV4JWiaZKLpxq1UKMLqwH5ZfQMQ:AyS3VKs3MWq5ZM

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

      cfd8ec11e7f31b239da8249c48a929db51c2e343879cdde9c59889100cb32f3b

    • Size

      544KB

    • MD5

      acb37f71d12bcb820ca1488ead46c052

    • SHA1

      069eb597cc34c2fe545a9c7ef7e3551303a73354

    • SHA256

      cfd8ec11e7f31b239da8249c48a929db51c2e343879cdde9c59889100cb32f3b

    • SHA512

      bafa2305cd12e5193afd6d5bbe73e06c5f7eb093194273501df63df4f0612a16bd2704a734606f86589144426904d3241f73e0ca278509ac464cacc6e99a5599

    • SSDEEP

      12288:AMrwy90ULM3dTV4JWiaZKLpxq1UKMLqwH5ZfQMQ:AyS3VKs3MWq5ZM

    • 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