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General

  • Target

    4b8f41c7f37a1f677c1b29b7929cba30.exe

  • Size

    1.0MB

  • Sample

    230521-h6m51sbc8y

  • MD5

    4b8f41c7f37a1f677c1b29b7929cba30

  • SHA1

    fffa361041f01089760c3fc308270b5bba7fd95b

  • SHA256

    5d6a14a28b8b66b4dbaf0a14adb13ceeffe4055198919469c35b49ab6212c177

  • SHA512

    b12ccf7f8887b3d2be1ca5df66a569aeb4013a23c682721f92d2f0c785c8dd66b61186f853e09903c83d4ab969241eeb4b112f3767f1e9e6a26fe56facd855dc

  • SSDEEP

    24576:VyHetbh5zh15I+YqP5MkKntDjdcgQQu3HUxdn60:wHMbh5b5KqP5jKnLU3g6

Malware Config

Extracted

Family

redline

Botnet

mixa

C2

185.161.248.37:4138

Attributes
  • auth_value

    9d14534b25ac495ab25b59800acf3bb2

Targets

    • Target

      4b8f41c7f37a1f677c1b29b7929cba30.exe

    • Size

      1.0MB

    • MD5

      4b8f41c7f37a1f677c1b29b7929cba30

    • SHA1

      fffa361041f01089760c3fc308270b5bba7fd95b

    • SHA256

      5d6a14a28b8b66b4dbaf0a14adb13ceeffe4055198919469c35b49ab6212c177

    • SHA512

      b12ccf7f8887b3d2be1ca5df66a569aeb4013a23c682721f92d2f0c785c8dd66b61186f853e09903c83d4ab969241eeb4b112f3767f1e9e6a26fe56facd855dc

    • SSDEEP

      24576:VyHetbh5zh15I+YqP5MkKntDjdcgQQu3HUxdn60:wHMbh5b5KqP5jKnLU3g6

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • 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 Enterprise v6

Tasks