General

  • Target

    4e97ef3f628a5e8ba46baf97bb9f79a5cc3a4971f9356602f7cc9f5c6b67223e

  • Size

    540KB

  • Sample

    230322-xvfzwscg3t

  • MD5

    f912a4944479b7e6dd94f974aa8b2576

  • SHA1

    79b998602b307dbd433a6eee51f6eca7a7a3c20b

  • SHA256

    4e97ef3f628a5e8ba46baf97bb9f79a5cc3a4971f9356602f7cc9f5c6b67223e

  • SHA512

    ff7f253fb3dfadd1ca1998ec2d6db3c22fba2f44c23dbb6e2d01d853888e0a1add8f3c14d00a6497ccccf02ccb9e7cd1d95b935db0f4833d4d2e142403d74f50

  • SSDEEP

    12288:KMrvy90dWjU9PoQE532z7z70VxKCohn8PLjXL:5yo/d02z7zoVQ9SLH

Malware Config

Extracted

Family

redline

Botnet

down

C2

193.233.20.31:4125

Attributes
  • auth_value

    12c31a90c72f5efae8c053a0bd339381

Extracted

Family

redline

Botnet

sint

C2

193.233.20.31:4125

Attributes
  • auth_value

    9d9b763b4dcfbff1c06ef4743cc0399e

Targets

    • Target

      4e97ef3f628a5e8ba46baf97bb9f79a5cc3a4971f9356602f7cc9f5c6b67223e

    • Size

      540KB

    • MD5

      f912a4944479b7e6dd94f974aa8b2576

    • SHA1

      79b998602b307dbd433a6eee51f6eca7a7a3c20b

    • SHA256

      4e97ef3f628a5e8ba46baf97bb9f79a5cc3a4971f9356602f7cc9f5c6b67223e

    • SHA512

      ff7f253fb3dfadd1ca1998ec2d6db3c22fba2f44c23dbb6e2d01d853888e0a1add8f3c14d00a6497ccccf02ccb9e7cd1d95b935db0f4833d4d2e142403d74f50

    • SSDEEP

      12288:KMrvy90dWjU9PoQE532z7z70VxKCohn8PLjXL:5yo/d02z7zoVQ9SLH

    • 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