General

  • Target

    4a8248de1ec4189b7c84cc52fc712c1d8e364197bb048ac42b75a564b5d58fe0

  • Size

    764KB

  • Sample

    230209-szekeahh96

  • MD5

    58dc9b88868c396c738d14550f5bb8d0

  • SHA1

    7568ab17d63c449b9c7f4f2f6fbc4bd0c2e0a38a

  • SHA256

    4a8248de1ec4189b7c84cc52fc712c1d8e364197bb048ac42b75a564b5d58fe0

  • SHA512

    957bc61aa153cc06d44ab6bc6503b34bd70c9e2dfa579c1a839dc0663483a997dbdb30a5983bfa5f185ef893e72c284dec84ef5ac88cf5e759bc7c86154d25d0

  • SSDEEP

    12288:PMrry908ycA0s+cSmg8wgkxSUQVd53NrNeWTCwvpLRnxUPdQhbjOa2a9+sSuhoD:YyI0s+czUVxSZBNrNdlLRxU+hbjO/a9c

Malware Config

Extracted

Family

redline

Botnet

dubna

C2

193.233.20.11:4131

Attributes
  • auth_value

    f324b1269094b7462e56bab025f032f4

Extracted

Family

redline

Botnet

romka

C2

193.233.20.11:4131

Attributes
  • auth_value

    fcbb3247051f5290e8ac5b1a841af67b

Extracted

Family

redline

Botnet

crypt

C2

176.113.115.17:4132

Attributes
  • auth_value

    407e05c9b3a74d99a20f90b091547bd6

Targets

    • Target

      4a8248de1ec4189b7c84cc52fc712c1d8e364197bb048ac42b75a564b5d58fe0

    • Size

      764KB

    • MD5

      58dc9b88868c396c738d14550f5bb8d0

    • SHA1

      7568ab17d63c449b9c7f4f2f6fbc4bd0c2e0a38a

    • SHA256

      4a8248de1ec4189b7c84cc52fc712c1d8e364197bb048ac42b75a564b5d58fe0

    • SHA512

      957bc61aa153cc06d44ab6bc6503b34bd70c9e2dfa579c1a839dc0663483a997dbdb30a5983bfa5f185ef893e72c284dec84ef5ac88cf5e759bc7c86154d25d0

    • SSDEEP

      12288:PMrry908ycA0s+cSmg8wgkxSUQVd53NrNeWTCwvpLRnxUPdQhbjOa2a9+sSuhoD:YyI0s+czUVxSZBNrNdlLRxU+hbjO/a9c

    • 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.

    • Suspicious use of SetThreadContext

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