General

  • Target

    6b9e473a41aec0e72496a68f298992a7.exe

  • Size

    766KB

  • Sample

    230209-skleeaha8x

  • MD5

    6b9e473a41aec0e72496a68f298992a7

  • SHA1

    cb72a59e0c57af12b2591d2ff236a226e0a8b196

  • SHA256

    eb60c51b5a320c3ae6a4619af7cc49ab89545ce78934362eee1690f88e4f5513

  • SHA512

    ffb41af345a41e9885ee0f57fbe29535fd63b04af956543d36898eb204bf0672e4da138c8f40e6e61417e79eba483a79bddba62678ebb172954dfa91da7de15a

  • SSDEEP

    12288:oMrCy90is9jQuNS8Tmss//jPGMJFwiLKByxWJWP7ddMWDQ+qXrKYrWjdH1COk:6yYJy8BsDPTRL0muWP7dqWDjhYpX

Malware Config

Extracted

Family

redline

Botnet

dubna

C2

193.233.20.11:4131

Attributes
  • auth_value

    f324b1269094b7462e56bab025f032f4

Extracted

Family

redline

Botnet

romka

C2

193.233.20.11:4131

Attributes
  • auth_value

    fcbb3247051f5290e8ac5b1a841af67b

Extracted

Family

redline

Botnet

crypt

C2

176.113.115.17:4132

Attributes
  • auth_value

    407e05c9b3a74d99a20f90b091547bd6

Targets

    • Target

      6b9e473a41aec0e72496a68f298992a7.exe

    • Size

      766KB

    • MD5

      6b9e473a41aec0e72496a68f298992a7

    • SHA1

      cb72a59e0c57af12b2591d2ff236a226e0a8b196

    • SHA256

      eb60c51b5a320c3ae6a4619af7cc49ab89545ce78934362eee1690f88e4f5513

    • SHA512

      ffb41af345a41e9885ee0f57fbe29535fd63b04af956543d36898eb204bf0672e4da138c8f40e6e61417e79eba483a79bddba62678ebb172954dfa91da7de15a

    • SSDEEP

      12288:oMrCy90is9jQuNS8Tmss//jPGMJFwiLKByxWJWP7ddMWDQ+qXrKYrWjdH1COk:6yYJy8BsDPTRL0muWP7dqWDjhYpX

    • 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

    • 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

    • 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 Enterprise v6

Tasks