General

  • Target

    63b4bf8b0511131d78f6dc8f616924922009b533f349dcc1079d596bb46d0712

  • Size

    699KB

  • Sample

    240417-qrqxcshe74

  • MD5

    4b9e2543ca5879ea5f896f32254433bd

  • SHA1

    eb5ecb4bbb3b32217ad29700841d84597f3bd972

  • SHA256

    63b4bf8b0511131d78f6dc8f616924922009b533f349dcc1079d596bb46d0712

  • SHA512

    c7d4f9f73cd5561ae50d500ef520ecf6e9281be280d59cc0450e5e60043b5911e745314c0caa6bb29a63f615cd4e6ccb4b6c3b816ec4f4288d026b07cc351015

  • SSDEEP

    12288:AWIkutOr+9VZeeP6s+YKfMg8DxvwKL03G2NoG4rU8fBcaT9s6yX3XdsDHiu:wk/ry2MOYK0gavwKL4G2yPrU8ZcEmNsv

Malware Config

Extracted

Family

redline

Botnet

breha

C2

77.91.124.55:19071

Targets

    • Target

      129fc7deea5ab9985c016ed6882e2c5c1f4ef971580862b68fafb0cfe387ee47.exe

    • Size

      743KB

    • MD5

      0711e23d2902f70311f03cc4a658362a

    • SHA1

      801d9c530001ccbb756b09976d2e53ee103deb5a

    • SHA256

      129fc7deea5ab9985c016ed6882e2c5c1f4ef971580862b68fafb0cfe387ee47

    • SHA512

      4c0c90d93edd2be0d8cf20e060f3751207d306b9f17d0c3986102c1884d1c9fd4e5d4b168c1f74fb3c6a4b7462a162a2c048173c8b78d073728d1747323cb65b

    • SSDEEP

      12288:8Mrly90l3AxD1OdMC1kLGed/X/uuAfmVK9WOMJF5E8G6JItDuTuAVhwR7+yi:BycED1On1G3X/rAfBvC5HmWu1R7+yi

    • Detect Mystic stealer payload

    • Modifies Windows Defender Real-time Protection settings

    • Mystic

      Mystic is an infostealer written in C++.

    • RedLine

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

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Executes dropped EXE

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

2
T1112

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Tasks