General

  • Target

    05857599.exe

  • Size

    778KB

  • Sample

    230604-njtxyaca64

  • MD5

    32e4e8877c8803b117e5a45b4f6aa9f7

  • SHA1

    645ae248e7ae0c8012edc2078671344b069046a0

  • SHA256

    251273b54f39b8ab120ffce464a3ea4ebb0b5a5dc3f246d3fb68c53de72e6d76

  • SHA512

    9e35a32a5e5f6085e28edddfaba2c27ed57d577cb36e356bf9fe158da7b74dd7501e194599d6c1953ed6cdb309d5a8e07d773e5d25fce27aef4b814fb540deef

  • SSDEEP

    12288:UMryy90LX2AhdsuR85GZPW4sOlIZtm0C8w9gdhHqgARGS9s7D5AneVOYdd5:GyeBHi0c4rim0C8w9gdh+pc2nXU

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

      05857599.exe

    • Size

      778KB

    • MD5

      32e4e8877c8803b117e5a45b4f6aa9f7

    • SHA1

      645ae248e7ae0c8012edc2078671344b069046a0

    • SHA256

      251273b54f39b8ab120ffce464a3ea4ebb0b5a5dc3f246d3fb68c53de72e6d76

    • SHA512

      9e35a32a5e5f6085e28edddfaba2c27ed57d577cb36e356bf9fe158da7b74dd7501e194599d6c1953ed6cdb309d5a8e07d773e5d25fce27aef4b814fb540deef

    • SSDEEP

      12288:UMryy90LX2AhdsuR85GZPW4sOlIZtm0C8w9gdhHqgARGS9s7D5AneVOYdd5:GyeBHi0c4rim0C8w9gdh+pc2nXU

    • 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