General

  • Target

    4b3f56f2c98fb89dbedf446f18d7bd5fc26509965aa898d3ecf279bab034e8a3

  • Size

    671KB

  • Sample

    230331-zskw6seg3w

  • MD5

    f2bce6b9446c87249182c4a85b1101f8

  • SHA1

    d0ea139ce75181ec71ec815f004fa11fad77fbc6

  • SHA256

    4b3f56f2c98fb89dbedf446f18d7bd5fc26509965aa898d3ecf279bab034e8a3

  • SHA512

    c97d1d5c7f18a5ed278061a71a39ca03846e489f7e953f9a333d013327727d76690bc1c286d90a33db5cd3eef2ac3bab9c196041b1f52e291a15ab48af852b33

  • SSDEEP

    12288:AMriy90zANiux8FPd3Ni9XiT0fgAMU4cWHubs3U438W3Lq/A7PQRSj:SyI6ZyPf6iT0fQvObs3Ui8W3G/MPQRSj

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

      4b3f56f2c98fb89dbedf446f18d7bd5fc26509965aa898d3ecf279bab034e8a3

    • Size

      671KB

    • MD5

      f2bce6b9446c87249182c4a85b1101f8

    • SHA1

      d0ea139ce75181ec71ec815f004fa11fad77fbc6

    • SHA256

      4b3f56f2c98fb89dbedf446f18d7bd5fc26509965aa898d3ecf279bab034e8a3

    • SHA512

      c97d1d5c7f18a5ed278061a71a39ca03846e489f7e953f9a333d013327727d76690bc1c286d90a33db5cd3eef2ac3bab9c196041b1f52e291a15ab48af852b33

    • SSDEEP

      12288:AMriy90zANiux8FPd3Ni9XiT0fgAMU4cWHubs3U438W3Lq/A7PQRSj:SyI6ZyPf6iT0fQvObs3Ui8W3G/MPQRSj

    • 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