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General

  • Target

    manager.exe

  • Size

    1.0MB

  • Sample

    230520-ve58qsde98

  • MD5

    5a62aeadd13e18579d0e76d1696b9b4a

  • SHA1

    285a770bb5324f74663adc759fc0e904ad385d20

  • SHA256

    728196954f7a0789dbf6a50798179e5c8ef192a403f3746d8ecfff16e56cb09c

  • SHA512

    a44e0a103d00c3675bfb8a04a352cb7884100e6eaf49de7707712cd30352fb0abe87724043e883a55cb20ae4175a0fef94fd4451f85f99ade2aa202d0c56f121

  • SSDEEP

    24576:fyhGsnX8pLpmo4bdYoHywAHgy7Vz0rUJ8Z3bIMq0jK7Q:qUsMSo+ZAHgy5zqUQ3bg0js

Malware Config

Extracted

Family

redline

Botnet

leren

C2

77.91.68.253:19065

Attributes
  • auth_value

    4002956b5a03c59e4252363b86bc7713

Targets

    • Target

      manager.exe

    • Size

      1.0MB

    • MD5

      5a62aeadd13e18579d0e76d1696b9b4a

    • SHA1

      285a770bb5324f74663adc759fc0e904ad385d20

    • SHA256

      728196954f7a0789dbf6a50798179e5c8ef192a403f3746d8ecfff16e56cb09c

    • SHA512

      a44e0a103d00c3675bfb8a04a352cb7884100e6eaf49de7707712cd30352fb0abe87724043e883a55cb20ae4175a0fef94fd4451f85f99ade2aa202d0c56f121

    • SSDEEP

      24576:fyhGsnX8pLpmo4bdYoHywAHgy7Vz0rUJ8Z3bIMq0jK7Q:qUsMSo+ZAHgy5zqUQ3bg0js

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine payload

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks