General

  • Target

    b424e24fcb4c58775915193a9475939c15b97adb4b237146a92a713e22d04ebe

  • Size

    544KB

  • Sample

    230323-1f8cdacc6w

  • MD5

    a05a01f4609305e7393ae0973b6bd1ab

  • SHA1

    62e4c05c0b0ba4657ac14d376f3d19d62ad2a9f4

  • SHA256

    b424e24fcb4c58775915193a9475939c15b97adb4b237146a92a713e22d04ebe

  • SHA512

    4ef2286cf906f5d445d94af739ef70505e0a393b45bae44119756dd64c53654e07e4d793f5ef3fc638f470cfdcd0aa727f513b9d228c0b059c96939e40e55cf5

  • SSDEEP

    12288:TMrwy90+7hIxi9cH/5dCFef8d9oXqgUXML5wkY+wPlnZmde:/y+HhgFKCM1ZwPce

Malware Config

Extracted

Family

redline

Botnet

down

C2

193.233.20.31:4125

Attributes
  • auth_value

    12c31a90c72f5efae8c053a0bd339381

Extracted

Family

redline

Botnet

real

C2

193.233.20.31:4125

Attributes
  • auth_value

    bb22a50228754849387d5f4d1611e71b

Targets

    • Target

      b424e24fcb4c58775915193a9475939c15b97adb4b237146a92a713e22d04ebe

    • Size

      544KB

    • MD5

      a05a01f4609305e7393ae0973b6bd1ab

    • SHA1

      62e4c05c0b0ba4657ac14d376f3d19d62ad2a9f4

    • SHA256

      b424e24fcb4c58775915193a9475939c15b97adb4b237146a92a713e22d04ebe

    • SHA512

      4ef2286cf906f5d445d94af739ef70505e0a393b45bae44119756dd64c53654e07e4d793f5ef3fc638f470cfdcd0aa727f513b9d228c0b059c96939e40e55cf5

    • SSDEEP

      12288:TMrwy90+7hIxi9cH/5dCFef8d9oXqgUXML5wkY+wPlnZmde:/y+HhgFKCM1ZwPce

    • 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