General

  • Target

    517c0693df0caebe05d0f5a75a9cb63c613121854f6b6177157e77dfbcfb9e18

  • Size

    469KB

  • Sample

    211107-yykb6aahh9

  • MD5

    199ec17fa8be3e87cf4aae0e1c0e696c

  • SHA1

    1611af72e38f3ecda6beca2354e50fdcfb8d58d6

  • SHA256

    517c0693df0caebe05d0f5a75a9cb63c613121854f6b6177157e77dfbcfb9e18

  • SHA512

    7f2c45ad1433cee9a73bdde2497665fa0aa4197d7040c048e3cf1a0d7616d4b137c98b1dc6fa65e37f6f192a6d35285b074c6c51e061c77934d36e2d68024f34

Malware Config

Extracted

Family

redline

Botnet

2

C2

194.127.179.8:23382

Targets

    • Target

      517c0693df0caebe05d0f5a75a9cb63c613121854f6b6177157e77dfbcfb9e18

    • Size

      469KB

    • MD5

      199ec17fa8be3e87cf4aae0e1c0e696c

    • SHA1

      1611af72e38f3ecda6beca2354e50fdcfb8d58d6

    • SHA256

      517c0693df0caebe05d0f5a75a9cb63c613121854f6b6177157e77dfbcfb9e18

    • SHA512

      7f2c45ad1433cee9a73bdde2497665fa0aa4197d7040c048e3cf1a0d7616d4b137c98b1dc6fa65e37f6f192a6d35285b074c6c51e061c77934d36e2d68024f34

    • Modifies WinLogon for persistence

    • RedLine

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

    • RedLine Payload

    • Executes dropped EXE

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • 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

    • 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

Winlogon Helper DLL

1
T1004

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Tasks