General

  • Target

    f9e5d60acf80dca74e9218efc2d0bbffd332bd78cd9b99d2cb95aaaed0e23e04

  • Size

    1MB

  • Sample

    230526-2bzp4shg9t

  • MD5

    f271d8bd82c548b193596709859a1882

  • SHA1

    03d5c8a3fe9c139a05d27a6fa13707b62498672b

  • SHA256

    f9e5d60acf80dca74e9218efc2d0bbffd332bd78cd9b99d2cb95aaaed0e23e04

  • SHA512

    25d08ebf8d39420333aed443905957f2e08d19812b261f537e10fbf52a4b0649cb33f25af20b00c493fddd611d595a4299ede0bc0f647434e6f3fb781a057ffa

  • SSDEEP

    24576:1yU2P91Ak1oOE5gVbBvLyYmAVR5koaDqWTDsinQL:Q71b1g5KNpPSNDqWTwGQ

Malware Config

Extracted

Family

redline

Botnet

duxa

C2

77.91.68.157:19065

Attributes
  • auth_value

    953a331341f07583fec00af44e01ec7d

Extracted

Family

redline

Botnet

disa

C2

83.97.73.122:19062

Attributes
  • auth_value

    93f8c4ca7000e3381dd4b6b86434de05

Extracted

Family

redline

Botnet

goga

C2

83.97.73.122:19062

Attributes
  • auth_value

    6d57dff6d3c42dddb8a76dc276b8467f

Targets

    • Target

      f9e5d60acf80dca74e9218efc2d0bbffd332bd78cd9b99d2cb95aaaed0e23e04

    • Size

      1MB

    • MD5

      f271d8bd82c548b193596709859a1882

    • SHA1

      03d5c8a3fe9c139a05d27a6fa13707b62498672b

    • SHA256

      f9e5d60acf80dca74e9218efc2d0bbffd332bd78cd9b99d2cb95aaaed0e23e04

    • SHA512

      25d08ebf8d39420333aed443905957f2e08d19812b261f537e10fbf52a4b0649cb33f25af20b00c493fddd611d595a4299ede0bc0f647434e6f3fb781a057ffa

    • SSDEEP

      24576:1yU2P91Ak1oOE5gVbBvLyYmAVR5koaDqWTDsinQL:Q71b1g5KNpPSNDqWTwGQ

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine payload

    • Downloads MZ/PE file

    • 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

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

3
T1112

Disabling Security Tools

2
T1089

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Tasks