General

  • Target

    20869f99e34d4ea9a1809ae83f42575115cd44f2b5d17d2644a6cec41b5ce709

  • Size

    1.1MB

  • Sample

    230514-2blhgsga7z

  • MD5

    a54fecde0f3a81a95c1155a17172a70b

  • SHA1

    848f1aa57e5f2bffaadb7c2d045f3536d1548eda

  • SHA256

    20869f99e34d4ea9a1809ae83f42575115cd44f2b5d17d2644a6cec41b5ce709

  • SHA512

    2fb12511bfef393d5d1c4a5cae11217f1f81a61c39a678cf7e6753e0d7072e08de4480ab905d9b69f5d47fd6ab7a99316666871baab738955b96c514413315fc

  • SSDEEP

    24576:Qyo65DKYoMe0To9Z4PreOnQyo/bMSmwvybIqz1DYv4kEh:XJ5DFTQmeKQyzSvmIWE

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

      20869f99e34d4ea9a1809ae83f42575115cd44f2b5d17d2644a6cec41b5ce709

    • Size

      1.1MB

    • MD5

      a54fecde0f3a81a95c1155a17172a70b

    • SHA1

      848f1aa57e5f2bffaadb7c2d045f3536d1548eda

    • SHA256

      20869f99e34d4ea9a1809ae83f42575115cd44f2b5d17d2644a6cec41b5ce709

    • SHA512

      2fb12511bfef393d5d1c4a5cae11217f1f81a61c39a678cf7e6753e0d7072e08de4480ab905d9b69f5d47fd6ab7a99316666871baab738955b96c514413315fc

    • SSDEEP

      24576:Qyo65DKYoMe0To9Z4PreOnQyo/bMSmwvybIqz1DYv4kEh:XJ5DFTQmeKQyzSvmIWE

    • 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