General

  • Target

    1b9c75efc9255c0fb55897efc5725b5408cbcebcc90ba84caeca617e1154eb36

  • Size

    1.1MB

  • Sample

    230514-y6q5nsde39

  • MD5

    3946f9e39d1576a22a64e4f385a4c3e1

  • SHA1

    a1b0d9f82366d4974980f0c48037d22134dbece6

  • SHA256

    1b9c75efc9255c0fb55897efc5725b5408cbcebcc90ba84caeca617e1154eb36

  • SHA512

    772f8242f8da05b5e8633f21b4f7965dc23651fa73dbc8315fc46aaabf2959e5aae99ac274e3e45161c73fbb37d8cd9a36c6c4e95ea8c22cfecb775de2d6ea2c

  • SSDEEP

    12288:IMrXy90N97hd//uy9y3f//48Xh9mhFp55RPg9BXtoY2g4yYnw31wjYphHBWDDv78:fyIhd//ufv/Q6GhFpTKH7Ln37HY2x

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

      1b9c75efc9255c0fb55897efc5725b5408cbcebcc90ba84caeca617e1154eb36

    • Size

      1.1MB

    • MD5

      3946f9e39d1576a22a64e4f385a4c3e1

    • SHA1

      a1b0d9f82366d4974980f0c48037d22134dbece6

    • SHA256

      1b9c75efc9255c0fb55897efc5725b5408cbcebcc90ba84caeca617e1154eb36

    • SHA512

      772f8242f8da05b5e8633f21b4f7965dc23651fa73dbc8315fc46aaabf2959e5aae99ac274e3e45161c73fbb37d8cd9a36c6c4e95ea8c22cfecb775de2d6ea2c

    • SSDEEP

      12288:IMrXy90N97hd//uy9y3f//48Xh9mhFp55RPg9BXtoY2g4yYnw31wjYphHBWDDv78:fyIhd//ufv/Q6GhFpTKH7Ln37HY2x

    • 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

    • 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

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

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