General

  • Target

    4d39d3ea20034bcf66e46c66cdadc711bf141129051410376f4c0653e6ef3d85

  • Size

    672KB

  • Sample

    230331-ycnsfsec2s

  • MD5

    c71af969e12e95e8a59dfb0b9181e898

  • SHA1

    9f7ed344ae29c06bae075a0bf442737ab5debbc8

  • SHA256

    4d39d3ea20034bcf66e46c66cdadc711bf141129051410376f4c0653e6ef3d85

  • SHA512

    1bb3a65eea2827543713d446bf43e8ec3c4f729ec7ec93209f67aedcd5d0a744ca95d52dca1a536ee22042355b9c67d782fc316490d9c958382a5c85a92c7518

  • SSDEEP

    12288:EMrLy90iCrqXyrhMkG/nQEgph3i8SbOb2r4mq47aNn:HyDCrL8O3iWbXbzR

Malware Config

Extracted

Family

redline

Botnet

rosn

C2

176.113.115.145:4125

Attributes
  • auth_value

    050a19e1db4d0024b0f23b37dcf961f4

Extracted

Family

redline

Botnet

spora

C2

176.113.115.145:4125

Attributes
  • auth_value

    441b39ab37774b2ca9931c31e1bc6071

Targets

    • Target

      4d39d3ea20034bcf66e46c66cdadc711bf141129051410376f4c0653e6ef3d85

    • Size

      672KB

    • MD5

      c71af969e12e95e8a59dfb0b9181e898

    • SHA1

      9f7ed344ae29c06bae075a0bf442737ab5debbc8

    • SHA256

      4d39d3ea20034bcf66e46c66cdadc711bf141129051410376f4c0653e6ef3d85

    • SHA512

      1bb3a65eea2827543713d446bf43e8ec3c4f729ec7ec93209f67aedcd5d0a744ca95d52dca1a536ee22042355b9c67d782fc316490d9c958382a5c85a92c7518

    • SSDEEP

      12288:EMrLy90iCrqXyrhMkG/nQEgph3i8SbOb2r4mq47aNn:HyDCrL8O3iWbXbzR

    • 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