General

  • Target

    7f91686ba8291121b94d35b2d3a1eb4039d1fa6f90d610ff6fefc0f07aa8f9fb

  • Size

    1.1MB

  • Sample

    230514-1b6b8afh6y

  • MD5

    86f007bf84e833aa1533d94fe39fd0d8

  • SHA1

    f28ac18c05c0b91ca2c2852589239506ca6ad1d4

  • SHA256

    7f91686ba8291121b94d35b2d3a1eb4039d1fa6f90d610ff6fefc0f07aa8f9fb

  • SHA512

    d05c6898eb477342efc21ed4044db2f873042e5fafd3375c5cc2c685dc182c1ee6beb24e4f374e27063a948a823ad674b4a1c44d661d584e1ad2b00bbd3b4f5c

  • SSDEEP

    24576:syuVS/0I8cbl7lbfw2MvHptUD8VluiGCb5EX3w:buG0hcJBrNMoD8OnCbK

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

      7f91686ba8291121b94d35b2d3a1eb4039d1fa6f90d610ff6fefc0f07aa8f9fb

    • Size

      1.1MB

    • MD5

      86f007bf84e833aa1533d94fe39fd0d8

    • SHA1

      f28ac18c05c0b91ca2c2852589239506ca6ad1d4

    • SHA256

      7f91686ba8291121b94d35b2d3a1eb4039d1fa6f90d610ff6fefc0f07aa8f9fb

    • SHA512

      d05c6898eb477342efc21ed4044db2f873042e5fafd3375c5cc2c685dc182c1ee6beb24e4f374e27063a948a823ad674b4a1c44d661d584e1ad2b00bbd3b4f5c

    • SSDEEP

      24576:syuVS/0I8cbl7lbfw2MvHptUD8VluiGCb5EX3w:buG0hcJBrNMoD8OnCbK

    • 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