General

  • Target

    fd338c4a832fe55a3a38647a53ec775e58d8f2b8a4ccc12ad85e0c7884381811.exe

  • Size

    1.1MB

  • Sample

    230514-xbktqsfc91

  • MD5

    34393d22f966076da3498d5917ea09d7

  • SHA1

    07cdfca7f90d84d7f067c2673a5057ba2acaa5ed

  • SHA256

    fd338c4a832fe55a3a38647a53ec775e58d8f2b8a4ccc12ad85e0c7884381811

  • SHA512

    1c76ffeeed7b5ab82cb4634b5aeed801b57284d6b2a8c776e4bf58668d658d4872501ca24f938d71afe7be29f11851dad620bfffa49c6ee98724823635df2c0e

  • SSDEEP

    24576:byecw9JB1tkJlppN43ox5hPXcLKZ1GvUVP9/:Oej1cb+VKZH

Malware Config

Extracted

Family

redline

Botnet

motor

C2

185.161.248.75:4132

Attributes
  • auth_value

    ec19ab9989a783983c5cbbc0e5ac4a5f

Extracted

Family

redline

Botnet

terra

C2

185.161.248.75:4132

Attributes
  • auth_value

    60df3f535f8aa4e264f78041983592d2

Targets

    • Target

      fd338c4a832fe55a3a38647a53ec775e58d8f2b8a4ccc12ad85e0c7884381811.exe

    • Size

      1.1MB

    • MD5

      34393d22f966076da3498d5917ea09d7

    • SHA1

      07cdfca7f90d84d7f067c2673a5057ba2acaa5ed

    • SHA256

      fd338c4a832fe55a3a38647a53ec775e58d8f2b8a4ccc12ad85e0c7884381811

    • SHA512

      1c76ffeeed7b5ab82cb4634b5aeed801b57284d6b2a8c776e4bf58668d658d4872501ca24f938d71afe7be29f11851dad620bfffa49c6ee98724823635df2c0e

    • SSDEEP

      24576:byecw9JB1tkJlppN43ox5hPXcLKZ1GvUVP9/:Oej1cb+VKZH

    • 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