General

  • Target

    23b1389e0bc1950937eac0ef9d351c4d070dee12c4a9e01ca44a6f3184ce4811

  • Size

    660KB

  • Sample

    230403-xljz7aad2v

  • MD5

    cf08b08ebb0393723b58889f050abd38

  • SHA1

    f907515d24da608ffe418b15483a5034af0d3383

  • SHA256

    23b1389e0bc1950937eac0ef9d351c4d070dee12c4a9e01ca44a6f3184ce4811

  • SHA512

    cbdb928e3ef94d1c916dfe14ab649cb64a1b6c2ade676c1b87ed9640c7be50e52d655dca098c159471de4160a5fa8ef5f2bf30abb3a17e4727a795edf80f63ad

  • SSDEEP

    12288:tMr4y90yRdkGa/U0CbCKjYW43lF+qf57+rUKc18qRBqZSIpm+fl6TW3ds6kE0Uti:5y/OpsjjYXVx+rwRDIplsTW3X/0Uti

Malware Config

Extracted

Family

redline

Botnet

rosn

C2

176.113.115.145:4125

Attributes
  • auth_value

    050a19e1db4d0024b0f23b37dcf961f4

Extracted

Family

redline

Botnet

spora

C2

176.113.115.145:4125

Attributes
  • auth_value

    441b39ab37774b2ca9931c31e1bc6071

Targets

    • Target

      23b1389e0bc1950937eac0ef9d351c4d070dee12c4a9e01ca44a6f3184ce4811

    • Size

      660KB

    • MD5

      cf08b08ebb0393723b58889f050abd38

    • SHA1

      f907515d24da608ffe418b15483a5034af0d3383

    • SHA256

      23b1389e0bc1950937eac0ef9d351c4d070dee12c4a9e01ca44a6f3184ce4811

    • SHA512

      cbdb928e3ef94d1c916dfe14ab649cb64a1b6c2ade676c1b87ed9640c7be50e52d655dca098c159471de4160a5fa8ef5f2bf30abb3a17e4727a795edf80f63ad

    • SSDEEP

      12288:tMr4y90yRdkGa/U0CbCKjYW43lF+qf57+rUKc18qRBqZSIpm+fl6TW3ds6kE0Uti:5y/OpsjjYXVx+rwRDIplsTW3X/0Uti

    • 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.

    • Suspicious use of SetThreadContext

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