General

  • Target

    6eecc5923b0568ee543dbf93de1735733e9afe1d2a65a1a18b69149f8e6806e1

  • Size

    624KB

  • Sample

    230604-rzfl2ada8w

  • MD5

    0c4463e3ab5991dd2d9482d1be1b7caf

  • SHA1

    2d1af6a00f9f9a60c62062ee3255f761833c3450

  • SHA256

    6eecc5923b0568ee543dbf93de1735733e9afe1d2a65a1a18b69149f8e6806e1

  • SHA512

    5c1a1bae05ecbe083ae70f16534097705d7c53bf995cba0b3f7d7d1ed13daeed89e0af604e7e3826d7d8a8869ecf3f7d27513fbf26299cc27010afe582d86244

  • SSDEEP

    12288:wMrZy90CIroVxgJYrOSDgL7MSYZ7AX85k0+kNam3NHGm:5ynu8oYpccJ1IB8ampj

Malware Config

Extracted

Family

redline

Botnet

dusa

C2

83.97.73.126:19046

Attributes
  • auth_value

    ee896466545fedf9de5406175fb82de5

Extracted

Family

redline

Botnet

brain

C2

83.97.73.126:19046

Attributes
  • auth_value

    5fb8269baadec0c49899b9a7a0c8851f

Targets

    • Target

      6eecc5923b0568ee543dbf93de1735733e9afe1d2a65a1a18b69149f8e6806e1

    • Size

      624KB

    • MD5

      0c4463e3ab5991dd2d9482d1be1b7caf

    • SHA1

      2d1af6a00f9f9a60c62062ee3255f761833c3450

    • SHA256

      6eecc5923b0568ee543dbf93de1735733e9afe1d2a65a1a18b69149f8e6806e1

    • SHA512

      5c1a1bae05ecbe083ae70f16534097705d7c53bf995cba0b3f7d7d1ed13daeed89e0af604e7e3826d7d8a8869ecf3f7d27513fbf26299cc27010afe582d86244

    • SSDEEP

      12288:wMrZy90CIroVxgJYrOSDgL7MSYZ7AX85k0+kNam3NHGm:5ynu8oYpccJ1IB8ampj

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • 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.

    • 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.

    • 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

2
T1112

Disabling Security Tools

1
T1089

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks