General

  • Target

    9cf59d521e44419451c720dc8c282e826b2a36480508e02da718e58196b4e0e9

  • Size

    1.0MB

  • Sample

    230522-t5eb9scb61

  • MD5

    2c1ce8b8a9d2565ee3ed753fe3590d0b

  • SHA1

    767fa5644641b9803088f6c9f61db6e97d5beff9

  • SHA256

    9cf59d521e44419451c720dc8c282e826b2a36480508e02da718e58196b4e0e9

  • SHA512

    9df9f0d9168d3b05f92d22bd73e5a4b3f57bc11f2229e0d7a40b606d62ce6b772d016a83e3e056e06d04c63c8946aeee0e6c1a0d48a5aabb9d460a17f92fe437

  • SSDEEP

    24576:rysuE3LXfQsYsmMvMhzreWM18Ds4yxkCZfK7wL9DvQ29/K4:emMlhzreb8Ds4yxFZicer

Malware Config

Extracted

Family

redline

Botnet

dix

C2

77.91.124.251:19065

Attributes
  • auth_value

    9b544b3d9c88af32e2f5bf8705f9a2fb

Targets

    • Target

      9cf59d521e44419451c720dc8c282e826b2a36480508e02da718e58196b4e0e9

    • Size

      1.0MB

    • MD5

      2c1ce8b8a9d2565ee3ed753fe3590d0b

    • SHA1

      767fa5644641b9803088f6c9f61db6e97d5beff9

    • SHA256

      9cf59d521e44419451c720dc8c282e826b2a36480508e02da718e58196b4e0e9

    • SHA512

      9df9f0d9168d3b05f92d22bd73e5a4b3f57bc11f2229e0d7a40b606d62ce6b772d016a83e3e056e06d04c63c8946aeee0e6c1a0d48a5aabb9d460a17f92fe437

    • SSDEEP

      24576:rysuE3LXfQsYsmMvMhzreWM18Ds4yxkCZfK7wL9DvQ29/K4:emMlhzreb8Ds4yxFZicer

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine payload

    • 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