General

  • Target

    2d839e807fc130cc84c9cd45fc50437d.bin

  • Size

    1.1MB

  • Sample

    230515-bk36sage3x

  • MD5

    a3885fd0dc100b3494c6d04da0da586c

  • SHA1

    27689c41aebde9c4938e45d0e7b1189a02168d30

  • SHA256

    eb31f6403a1c3a9db182a07ff329de83b762997e3799f57055d59c9b0dc6ef00

  • SHA512

    ffdb3f252079bb40a27db20b9d5b0aa94fad313a6a3baaa96dcb0ce8f43000b215747fd6995db6f0567aa1d573b1e190e2bc39278b36f7c981a1c7c069fe4909

  • SSDEEP

    24576:lqH3wEHRKdch25V1EWCubFoJBYFypDiYSBWRiEnq97JRtzNVBy5r:MHAo+ch25V1EWBbF0BYFyRHS5j3thjIr

Malware Config

Extracted

Family

redline

Botnet

luka

C2

185.161.248.75:4132

Attributes
  • auth_value

    44560bcd37d6bf076da309730fdb519a

Extracted

Family

redline

Botnet

terra

C2

185.161.248.75:4132

Attributes
  • auth_value

    60df3f535f8aa4e264f78041983592d2

Targets

    • Target

      5651cc4a142270f16a9c282e4b06073e960cf3e00896115cacd890dc2531d1d5.exe

    • Size

      1.1MB

    • MD5

      2d839e807fc130cc84c9cd45fc50437d

    • SHA1

      a5c001ef2b176252d96deee16087102c8aeb89dc

    • SHA256

      5651cc4a142270f16a9c282e4b06073e960cf3e00896115cacd890dc2531d1d5

    • SHA512

      884cfea01099bccd0e22be79d1b4448b7eed39cf4c3871459943b7496c92541d6392edf56f5aed46f9bf8a933a382971f67d1b764c71842f4210a6b54d3c7017

    • SSDEEP

      24576:oyDUGiyNung9/GH4qn2DtmYWsVrHI/Cg34lSrhDu8:vDUxyY/H3n7s9HICu

    • 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

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