General

  • Target

    d540a49f23b26ff17f83d01a568812b7d4087e905f528fd4e7084ed9db028a56.exe

  • Size

    1.1MB

  • Sample

    230514-w79masfb51

  • MD5

    bd66b7e1fc4f0ccf907e8bbc2d75d004

  • SHA1

    0d2e991ae41123b7a7e92523874ca6ed10e71348

  • SHA256

    d540a49f23b26ff17f83d01a568812b7d4087e905f528fd4e7084ed9db028a56

  • SHA512

    f82fbb97c63f278ab619238bb838ced8efac07982619f26ed7b677090e9bdc3aa9d0bec30275d19ecc4d7faada71cff4f052c9bc537020cab1a680e5b824828f

  • SSDEEP

    24576:gypDYGWDU6abW0SzeGsCu2WlwjW7qnD9pHiBir3NyqoJR7+2W:n6GcjBNWlCCGDzHzNg7J

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

      d540a49f23b26ff17f83d01a568812b7d4087e905f528fd4e7084ed9db028a56.exe

    • Size

      1.1MB

    • MD5

      bd66b7e1fc4f0ccf907e8bbc2d75d004

    • SHA1

      0d2e991ae41123b7a7e92523874ca6ed10e71348

    • SHA256

      d540a49f23b26ff17f83d01a568812b7d4087e905f528fd4e7084ed9db028a56

    • SHA512

      f82fbb97c63f278ab619238bb838ced8efac07982619f26ed7b677090e9bdc3aa9d0bec30275d19ecc4d7faada71cff4f052c9bc537020cab1a680e5b824828f

    • SSDEEP

      24576:gypDYGWDU6abW0SzeGsCu2WlwjW7qnD9pHiBir3NyqoJR7+2W:n6GcjBNWlCCGDzHzNg7J

    • 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