General

  • Target

    c4bdf6cdfaa4548f3c055527d93546f218b888a494955975b2d4e772867761ef.exe

  • Size

    1.1MB

  • Sample

    230514-w6ny7sfa8v

  • MD5

    21b791844338b0ce3d9524552f332f53

  • SHA1

    fe2fd89f27bb1e0df82e5eb211f9512220179cb1

  • SHA256

    c4bdf6cdfaa4548f3c055527d93546f218b888a494955975b2d4e772867761ef

  • SHA512

    22564434bcb518909456edc221ca6f2c976612a743f158b1b61c33599b4c215a83820100651bd24adf4366d45240c777d1536f713c7df9b5bd3d53939424f769

  • SSDEEP

    24576:Vy8JB9KXqW+ekgtzAiyMYjMZecLC5TCYYTfis1H:w60DxtciyCpW5Cbau

Malware Config

Extracted

Family

redline

Botnet

motor

C2

185.161.248.75:4132

Attributes
  • auth_value

    ec19ab9989a783983c5cbbc0e5ac4a5f

Extracted

Family

redline

Botnet

terra

C2

185.161.248.75:4132

Attributes
  • auth_value

    60df3f535f8aa4e264f78041983592d2

Targets

    • Target

      c4bdf6cdfaa4548f3c055527d93546f218b888a494955975b2d4e772867761ef.exe

    • Size

      1.1MB

    • MD5

      21b791844338b0ce3d9524552f332f53

    • SHA1

      fe2fd89f27bb1e0df82e5eb211f9512220179cb1

    • SHA256

      c4bdf6cdfaa4548f3c055527d93546f218b888a494955975b2d4e772867761ef

    • SHA512

      22564434bcb518909456edc221ca6f2c976612a743f158b1b61c33599b4c215a83820100651bd24adf4366d45240c777d1536f713c7df9b5bd3d53939424f769

    • SSDEEP

      24576:Vy8JB9KXqW+ekgtzAiyMYjMZecLC5TCYYTfis1H:w60DxtciyCpW5Cbau

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Windows security modification

    • 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

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

2
T1089

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Tasks