General

  • Target

    bb7cc0fa980cb601fdd32c78de544d647e5c115b5ce1b8f798fc9aae4ef83669.exe

  • Size

    1.0MB

  • Sample

    230522-w6sx6acg41

  • MD5

    2fe22371302c883e93b32bacc48121ec

  • SHA1

    4a80ecf2cf8c52205d9098978ab879ca5b5a6518

  • SHA256

    bb7cc0fa980cb601fdd32c78de544d647e5c115b5ce1b8f798fc9aae4ef83669

  • SHA512

    2e21aeb3bc9b7c487bd11a36cfb320481ab5a9c0bc64241b43d916e4078d018993a22581f7ffde0f3f05eefe2c1111d6550f4a986c227cc8c70b1f4ceb3adca8

  • SSDEEP

    24576:uyATz/1UWrPw7q+XJGviNfaMP9OIHSDeE8hv00Y3BlgXWnr1/VZ8YAW:9AP/1BrPwjlfHFPHb00S6X2uYA

Malware Config

Extracted

Family

redline

Botnet

mix

C2

77.91.124.251:19065

Attributes
  • auth_value

    5034ed53489733b1fbaf2777113a7d90

Targets

    • Target

      bb7cc0fa980cb601fdd32c78de544d647e5c115b5ce1b8f798fc9aae4ef83669.exe

    • Size

      1.0MB

    • MD5

      2fe22371302c883e93b32bacc48121ec

    • SHA1

      4a80ecf2cf8c52205d9098978ab879ca5b5a6518

    • SHA256

      bb7cc0fa980cb601fdd32c78de544d647e5c115b5ce1b8f798fc9aae4ef83669

    • SHA512

      2e21aeb3bc9b7c487bd11a36cfb320481ab5a9c0bc64241b43d916e4078d018993a22581f7ffde0f3f05eefe2c1111d6550f4a986c227cc8c70b1f4ceb3adca8

    • SSDEEP

      24576:uyATz/1UWrPw7q+XJGviNfaMP9OIHSDeE8hv00Y3BlgXWnr1/VZ8YAW:9AP/1BrPwjlfHFPHb00S6X2uYA

    • 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