General

  • Target

    37823814af6b74f2d983d9bebaf695b59da18df6da345cb3dd8439a1706c7501

  • Size

    544KB

  • Sample

    230323-z3t8lacb7x

  • MD5

    5cc3b4aaa38a630d7245f7e05ff349f2

  • SHA1

    44a852bc35d7739a50cf8c9b38e9ea880c0d2499

  • SHA256

    37823814af6b74f2d983d9bebaf695b59da18df6da345cb3dd8439a1706c7501

  • SHA512

    04f37a83e96c3cc5e0e55c3c4f58aec73f5dcb87c2ebf40e1df0d9439ec0ec0004d74e2b070685aceaba67c4464baff59a2324aafb63842e61ab956f9b4f429a

  • SSDEEP

    12288:CMrSy90sUUvoykXy1qfUiMLqwkqApFkw2fv:kypUe23MWTqA2v

Malware Config

Extracted

Family

redline

Botnet

down

C2

193.233.20.31:4125

Attributes
  • auth_value

    12c31a90c72f5efae8c053a0bd339381

Extracted

Family

redline

Botnet

lown

C2

193.233.20.31:4125

Attributes
  • auth_value

    4cf836e062bcdc2a4fdbf410f5747ec7

Targets

    • Target

      37823814af6b74f2d983d9bebaf695b59da18df6da345cb3dd8439a1706c7501

    • Size

      544KB

    • MD5

      5cc3b4aaa38a630d7245f7e05ff349f2

    • SHA1

      44a852bc35d7739a50cf8c9b38e9ea880c0d2499

    • SHA256

      37823814af6b74f2d983d9bebaf695b59da18df6da345cb3dd8439a1706c7501

    • SHA512

      04f37a83e96c3cc5e0e55c3c4f58aec73f5dcb87c2ebf40e1df0d9439ec0ec0004d74e2b070685aceaba67c4464baff59a2324aafb63842e61ab956f9b4f429a

    • SSDEEP

      12288:CMrSy90sUUvoykXy1qfUiMLqwkqApFkw2fv:kypUe23MWTqA2v

    • 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