Resubmissions

22-11-2023 01:16

231122-bm924she63 1

05-06-2023 18:52

230605-xja99sag8x 6

01-06-2023 19:18

230601-x1b8wsgd5x 10

01-06-2023 17:57

230601-wjvhgaff56 10

01-06-2023 16:56

230601-vfpx5sfd87 6

01-06-2023 16:38

230601-t5dqqsfc93 10

01-06-2023 16:19

230601-tsv49afc46 10

01-06-2023 16:10

230601-tmev3sfc22 10

General

  • Target

    http://34.101.154.50

  • Sample

    230601-x1b8wsgd5x

Malware Config

Extracted

Family

redline

Botnet

dix

C2

77.91.124.251:19065

Attributes
  • auth_value

    9b544b3d9c88af32e2f5bf8705f9a2fb

Extracted

Family

redline

Botnet

diza

C2

185.161.248.37:4138

Attributes
  • auth_value

    0d09b419c8bc967f91c68be4a17e92ee

Targets

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine payload

    • Downloads MZ/PE file

    • 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.

    • Drops Chrome extension

    • 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

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Tasks