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General

  • Target

    04267199.exe

  • Size

    778KB

  • Sample

    230603-yaa4ksac6z

  • MD5

    53deb84d41482ca20917e0e2fabcc11a

  • SHA1

    989d78ea511747bc6ed564662e73669027f20159

  • SHA256

    4a1efd5465f144f481ff086f404f5ce83daf09ff16face90d277f2b7cdd1df4f

  • SHA512

    4c677f4f0b06f3811f5fb47b847b8136df34c6286c78104c640298712934d85579de67917ae68549695aabf06af02e2cc5d155d1eb41c92d55032165544957d4

  • SSDEEP

    12288:jMrDy90Fog1+xkUX6azCaXq9G5VmaOknSvueVxXIFhIenL1oDEAFAF8ho/Ma:Ay9aBazCaT5VZnSVVxXCIenepFxhop

Malware Config

Extracted

Family

redline

Botnet

dusa

C2

83.97.73.126:19046

Attributes
  • auth_value

    ee896466545fedf9de5406175fb82de5

Extracted

Family

redline

Botnet

brain

C2

83.97.73.126:19046

Attributes
  • auth_value

    5fb8269baadec0c49899b9a7a0c8851f

Targets

    • Target

      04267199.exe

    • Size

      778KB

    • MD5

      53deb84d41482ca20917e0e2fabcc11a

    • SHA1

      989d78ea511747bc6ed564662e73669027f20159

    • SHA256

      4a1efd5465f144f481ff086f404f5ce83daf09ff16face90d277f2b7cdd1df4f

    • SHA512

      4c677f4f0b06f3811f5fb47b847b8136df34c6286c78104c640298712934d85579de67917ae68549695aabf06af02e2cc5d155d1eb41c92d55032165544957d4

    • SSDEEP

      12288:jMrDy90Fog1+xkUX6azCaXq9G5VmaOknSvueVxXIFhIenL1oDEAFAF8ho/Ma:Ay9aBazCaT5VZnSVVxXCIenepFxhop

    • 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