General

  • Target

    d4f6add04af6cc9125d3ec222e55e9aea0e65b6cf09eb8c7aa659fb317567779

  • Size

    625KB

  • Sample

    230604-sydlqadb9y

  • MD5

    a399a268687959aa07d90c62f553aa42

  • SHA1

    3ce65ae0f19de0be97d2fcd20bbd93acf46c103d

  • SHA256

    d4f6add04af6cc9125d3ec222e55e9aea0e65b6cf09eb8c7aa659fb317567779

  • SHA512

    87af5a45c8aeddce84882f1804153c11d82c843fa1298009e2fa2611dab1faf1d2cff3472686dd03b0f0eea80691111f270135d9008f9dbcc03ce555c5d73f0b

  • SSDEEP

    12288:bMrPy90pa4w8NHOCCp7+re+ri1bTZnUvU8X5hFcWjrvhOL:oye5w8ACcB+sTZn98h1rvhOL

Malware Config

Extracted

Family

redline

Botnet

dusa

C2

83.97.73.126:19046

Attributes
  • auth_value

    ee896466545fedf9de5406175fb82de5

Extracted

Family

redline

Botnet

brain

C2

83.97.73.126:19046

Attributes
  • auth_value

    5fb8269baadec0c49899b9a7a0c8851f

Targets

    • Target

      d4f6add04af6cc9125d3ec222e55e9aea0e65b6cf09eb8c7aa659fb317567779

    • Size

      625KB

    • MD5

      a399a268687959aa07d90c62f553aa42

    • SHA1

      3ce65ae0f19de0be97d2fcd20bbd93acf46c103d

    • SHA256

      d4f6add04af6cc9125d3ec222e55e9aea0e65b6cf09eb8c7aa659fb317567779

    • SHA512

      87af5a45c8aeddce84882f1804153c11d82c843fa1298009e2fa2611dab1faf1d2cff3472686dd03b0f0eea80691111f270135d9008f9dbcc03ce555c5d73f0b

    • SSDEEP

      12288:bMrPy90pa4w8NHOCCp7+re+ri1bTZnUvU8X5hFcWjrvhOL:oye5w8ACcB+sTZn98h1rvhOL

    • 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.

    • 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.

    • 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

2
T1112

Disabling Security Tools

1
T1089

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks