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General

  • Target

    08103199.exe

  • Size

    751KB

  • Sample

    230531-ylzajsag66

  • MD5

    b57e7bc6c9db9fab2a3f92500f8db388

  • SHA1

    81132046a13e99a064384aa4204258c3f6727748

  • SHA256

    17ef6eb8295c71ea0d9058b194ce53e8a561c6c7317ad8a30d46be0419703baf

  • SHA512

    5b687a7afe3075c114b5671a991abae1ee66c097e49a3a896ca0e931c8f7fbedbbb2ee737b0043c851149433bc60e6ba5e95eef6aa7d5a83abc806c40dd330fb

  • SSDEEP

    12288:LMrmy90nrmBv7ThRllJwuEgeug4LYJbwH19aRaZ3dy6IaNFkD:Jy1BvDllOyvg8WbwH19KaFdbtu

Malware Config

Extracted

Family

redline

Botnet

dars

C2

83.97.73.127:19045

Attributes
  • auth_value

    7cd208e6b6c927262304d5d4d88647fd

Extracted

Family

redline

Botnet

nitro

C2

83.97.73.127:19045

Attributes
  • auth_value

    1b68cf84b9b046f28b71cb39e44aa0e4

Targets

    • Target

      08103199.exe

    • Size

      751KB

    • MD5

      b57e7bc6c9db9fab2a3f92500f8db388

    • SHA1

      81132046a13e99a064384aa4204258c3f6727748

    • SHA256

      17ef6eb8295c71ea0d9058b194ce53e8a561c6c7317ad8a30d46be0419703baf

    • SHA512

      5b687a7afe3075c114b5671a991abae1ee66c097e49a3a896ca0e931c8f7fbedbbb2ee737b0043c851149433bc60e6ba5e95eef6aa7d5a83abc806c40dd330fb

    • SSDEEP

      12288:LMrmy90nrmBv7ThRllJwuEgeug4LYJbwH19aRaZ3dy6IaNFkD:Jy1BvDllOyvg8WbwH19KaFdbtu

    • 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.

    • 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