General

  • Target

    589c5a5983ccbfddce43a05c490bd433a8aa4de19008142390f0caa6ff6a7c8a

  • Size

    1.1MB

  • Sample

    230514-2whmbsdh28

  • MD5

    b33bf25d2a4201167043632957db1767

  • SHA1

    23cd9b0d0803c7410249af1bf876ab7a3a4b8a9d

  • SHA256

    589c5a5983ccbfddce43a05c490bd433a8aa4de19008142390f0caa6ff6a7c8a

  • SHA512

    07d3d8e2c42493668621c25bc03ef5e8bf59255a2495cb47122b33f91044ca3317a02521d6425bd4663115431883469067f2ba85aa3cfc801ff4326be9da7953

  • SSDEEP

    24576:MyOiJ8yIHfki4Jacx2JSfK1sN3h522K4b9UpfagvexUcNB4ZH:7OiKyIHfkiDc8sIsNx522xZafiM

Malware Config

Extracted

Family

redline

Botnet

linda

C2

185.161.248.75:4132

Attributes
  • auth_value

    21cdc21d041667b9c1679f88a1146770

Extracted

Family

redline

Botnet

horor

C2

185.161.248.75:4132

Attributes
  • auth_value

    b8d506fe48db15c38fb031d07f42d529

Targets

    • Target

      589c5a5983ccbfddce43a05c490bd433a8aa4de19008142390f0caa6ff6a7c8a

    • Size

      1.1MB

    • MD5

      b33bf25d2a4201167043632957db1767

    • SHA1

      23cd9b0d0803c7410249af1bf876ab7a3a4b8a9d

    • SHA256

      589c5a5983ccbfddce43a05c490bd433a8aa4de19008142390f0caa6ff6a7c8a

    • SHA512

      07d3d8e2c42493668621c25bc03ef5e8bf59255a2495cb47122b33f91044ca3317a02521d6425bd4663115431883469067f2ba85aa3cfc801ff4326be9da7953

    • SSDEEP

      24576:MyOiJ8yIHfki4Jacx2JSfK1sN3h522K4b9UpfagvexUcNB4ZH:7OiKyIHfkiDc8sIsNx522xZafiM

    • 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.

    • 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

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Tasks