General

  • Target

    b3a2b4c8e4476cd0a8ff4227107b4c18b2b5b00e0d91690773be866515b05619

  • Size

    1.1MB

  • Sample

    230514-zxb5tsfh2v

  • MD5

    51d1add1d42723df409dcbe70b5e860f

  • SHA1

    1a1bd336255ef40fdf53850a2964d4dce5ee3826

  • SHA256

    b3a2b4c8e4476cd0a8ff4227107b4c18b2b5b00e0d91690773be866515b05619

  • SHA512

    ae736109e6770415cda2194a594edea34b56fc5fe7f31e055f52e33346adfee5a5ade96f52d8f0d89b8b4b2656a8065f395a01d57daae49e41960e7bc15e23f6

  • SSDEEP

    24576:Lyuil5ImxZNMkKF59zUOG5sFMAKtxyvpZ1Gyh1QJr/:+75ImiNFfUbbAmW8012r

Malware Config

Extracted

Family

redline

Botnet

linda

C2

185.161.248.75:4132

Attributes
  • auth_value

    21cdc21d041667b9c1679f88a1146770

Extracted

Family

redline

Botnet

horor

C2

185.161.248.75:4132

Attributes
  • auth_value

    b8d506fe48db15c38fb031d07f42d529

Targets

    • Target

      b3a2b4c8e4476cd0a8ff4227107b4c18b2b5b00e0d91690773be866515b05619

    • Size

      1.1MB

    • MD5

      51d1add1d42723df409dcbe70b5e860f

    • SHA1

      1a1bd336255ef40fdf53850a2964d4dce5ee3826

    • SHA256

      b3a2b4c8e4476cd0a8ff4227107b4c18b2b5b00e0d91690773be866515b05619

    • SHA512

      ae736109e6770415cda2194a594edea34b56fc5fe7f31e055f52e33346adfee5a5ade96f52d8f0d89b8b4b2656a8065f395a01d57daae49e41960e7bc15e23f6

    • SSDEEP

      24576:Lyuil5ImxZNMkKF59zUOG5sFMAKtxyvpZ1Gyh1QJr/:+75ImiNFfUbbAmW8012r

    • 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.

    • 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