General

  • Target

    a556e430f104006c6b4b9ef4f0b775bbbf9d67f407a6a2c67cc8bffeaffe4dc5

  • Size

    659KB

  • Sample

    230403-xbtrmsac4z

  • MD5

    374819e5e27853be4d0bcf5e64ae4985

  • SHA1

    42ed1c9572d4b9107c40e5899c714dd0136d5d90

  • SHA256

    a556e430f104006c6b4b9ef4f0b775bbbf9d67f407a6a2c67cc8bffeaffe4dc5

  • SHA512

    112c9b1b014a5aa811e844f9b0099b7eb382ca4ebb180cbe89873b7792166a779e33ebd24063f650f14d8a916c0af57a29f786728d25c3c00e8b73bacaba62cd

  • SSDEEP

    12288:RMr7y90ct44qLt86FkIUwP3GJ4ZSdiqvtE6ehu:2yBtbqL/FkInP2RdiOTehu

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

      a556e430f104006c6b4b9ef4f0b775bbbf9d67f407a6a2c67cc8bffeaffe4dc5

    • Size

      659KB

    • MD5

      374819e5e27853be4d0bcf5e64ae4985

    • SHA1

      42ed1c9572d4b9107c40e5899c714dd0136d5d90

    • SHA256

      a556e430f104006c6b4b9ef4f0b775bbbf9d67f407a6a2c67cc8bffeaffe4dc5

    • SHA512

      112c9b1b014a5aa811e844f9b0099b7eb382ca4ebb180cbe89873b7792166a779e33ebd24063f650f14d8a916c0af57a29f786728d25c3c00e8b73bacaba62cd

    • SSDEEP

      12288:RMr7y90ct44qLt86FkIUwP3GJ4ZSdiqvtE6ehu:2yBtbqL/FkInP2RdiOTehu

    • 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