General

  • Target

    d2ac0ea944e85fd10acd8b02cb9c4ffc8e0da7c2a9dfd3e02097328a35757602

  • Size

    698KB

  • Sample

    230328-mksktsad85

  • MD5

    b9660d6e471d63c6e92645eab7fb8d9d

  • SHA1

    bf2b19a13c545ad9f987e4fb4c8346ba53f27d37

  • SHA256

    d2ac0ea944e85fd10acd8b02cb9c4ffc8e0da7c2a9dfd3e02097328a35757602

  • SHA512

    9a0b953f49d687c16be8ca89e6ce3412d2232b3babf14cf0fe246c7455ef6db68b70366035aabb9e7ea4e5ba8d07f0c9e027b8a7c1dcdcce581d0f148afa5026

  • SSDEEP

    12288:FMrDy90DxA1R5LYkqdMXZZ27p/YjE0jucKAQGAL55L6DDGjEAxI9gqLj2sMVwUG:uysip0kI8ZcmE0jucKAQGAL5dIGjdI9z

Malware Config

Extracted

Family

redline

Botnet

rosn

C2

176.113.115.145:4125

Attributes
  • auth_value

    050a19e1db4d0024b0f23b37dcf961f4

Extracted

Family

redline

Botnet

muse

C2

176.113.115.145:4125

Attributes
  • auth_value

    b91988a63a24940038d9262827a5320c

Targets

    • Target

      d2ac0ea944e85fd10acd8b02cb9c4ffc8e0da7c2a9dfd3e02097328a35757602

    • Size

      698KB

    • MD5

      b9660d6e471d63c6e92645eab7fb8d9d

    • SHA1

      bf2b19a13c545ad9f987e4fb4c8346ba53f27d37

    • SHA256

      d2ac0ea944e85fd10acd8b02cb9c4ffc8e0da7c2a9dfd3e02097328a35757602

    • SHA512

      9a0b953f49d687c16be8ca89e6ce3412d2232b3babf14cf0fe246c7455ef6db68b70366035aabb9e7ea4e5ba8d07f0c9e027b8a7c1dcdcce581d0f148afa5026

    • SSDEEP

      12288:FMrDy90DxA1R5LYkqdMXZZ27p/YjE0jucKAQGAL55L6DDGjEAxI9gqLj2sMVwUG:uysip0kI8ZcmE0jucKAQGAL5dIGjdI9z

    • 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