General

  • Target

    b63b1653f45318376ee4c126b9cd9f94285bd95c60c3a0e2473177f0d4965343

  • Size

    546KB

  • Sample

    230324-aa7ksach9x

  • MD5

    540bdcf32e02c4e19fa778e9a0786919

  • SHA1

    a563f8beeb3ca46654befed5db7dfc1ab79bee01

  • SHA256

    b63b1653f45318376ee4c126b9cd9f94285bd95c60c3a0e2473177f0d4965343

  • SHA512

    aab3be643cac4b1c74cc715fc6a70765b1f4210be2eb77556522a828f54aec1477b9086a021218b0655f94e7a693b3ece2cf03f661162ce81e9602cfe7f023fb

  • SSDEEP

    12288:BMr4y909WQerZ3Aa2QxUzxXBi1ZhbTwnv85O3OO:hy2N6t+8UzxXBi1Pknv803OO

Malware Config

Extracted

Family

redline

Botnet

down

C2

193.233.20.31:4125

Attributes
  • auth_value

    12c31a90c72f5efae8c053a0bd339381

Extracted

Family

redline

Botnet

real

C2

193.233.20.31:4125

Attributes
  • auth_value

    bb22a50228754849387d5f4d1611e71b

Targets

    • Target

      b63b1653f45318376ee4c126b9cd9f94285bd95c60c3a0e2473177f0d4965343

    • Size

      546KB

    • MD5

      540bdcf32e02c4e19fa778e9a0786919

    • SHA1

      a563f8beeb3ca46654befed5db7dfc1ab79bee01

    • SHA256

      b63b1653f45318376ee4c126b9cd9f94285bd95c60c3a0e2473177f0d4965343

    • SHA512

      aab3be643cac4b1c74cc715fc6a70765b1f4210be2eb77556522a828f54aec1477b9086a021218b0655f94e7a693b3ece2cf03f661162ce81e9602cfe7f023fb

    • SSDEEP

      12288:BMr4y909WQerZ3Aa2QxUzxXBi1ZhbTwnv85O3OO:hy2N6t+8UzxXBi1Pknv803OO

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • 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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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.

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

2
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

2
T1005

Tasks