General

  • Target

    ef7c8b5a0874d032643b51394e9be114c9ab98fdb4978d86ad074cbce8b18f06

  • Size

    544KB

  • Sample

    230323-y4ec4ahh79

  • MD5

    29a26ed849ff6deb3983135d8c58f840

  • SHA1

    9549f3a49e8410d0a9870b827af0af822d54ca95

  • SHA256

    ef7c8b5a0874d032643b51394e9be114c9ab98fdb4978d86ad074cbce8b18f06

  • SHA512

    1bcdc1769bbaccf9260414ca65eb9e609bcbd23412764393b441e817b83ae7c4e7ba91f6145c61c8a7f8d639480538f683dfa323356046eed109b1e04aa38eef

  • SSDEEP

    12288:OMr0y90LfcKevPY7dSW3h+TqgUuMLJwUYecs2PHOhmt:uyIUK8efERTM9EzPust

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

      ef7c8b5a0874d032643b51394e9be114c9ab98fdb4978d86ad074cbce8b18f06

    • Size

      544KB

    • MD5

      29a26ed849ff6deb3983135d8c58f840

    • SHA1

      9549f3a49e8410d0a9870b827af0af822d54ca95

    • SHA256

      ef7c8b5a0874d032643b51394e9be114c9ab98fdb4978d86ad074cbce8b18f06

    • SHA512

      1bcdc1769bbaccf9260414ca65eb9e609bcbd23412764393b441e817b83ae7c4e7ba91f6145c61c8a7f8d639480538f683dfa323356046eed109b1e04aa38eef

    • SSDEEP

      12288:OMr0y90LfcKevPY7dSW3h+TqgUuMLJwUYecs2PHOhmt:uyIUK8efERTM9EzPust

    • 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