Overview

overview

10

Static

static

10

rezzes.exe

windows7-x64

10

rezzes.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    rezzes.exe

  • Size

    469KB

  • Sample

    241216-3ph5ysvkam

  • MD5

    f92265d27975f6674601d45200d2de25

  • SHA1

    23cc2c0df450d4425dde1f663af5d8c810a32dd3

  • SHA256

    d3a05e751d5ca908573dcccbd992a38fdb0409f25924bd84b116d93b1dd2b644

  • SHA512

    1b92b67e81f323e8343484cfc3fd21462b4ce25b903d0ed52e1068670ab15d9c739a03a25260f75b33b65b5a527d64b2f46bc9edcabbd98e4e7ad32fe738e22a

  • SSDEEP

    12288:Wmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSPn9:uiLJbpI7I2WhQqZ7P9

Score
10/10
remcosremotehostdiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

204.10.194.175:4444

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-V5PKB7

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      rezzes.exe

    • Size

      469KB

    • MD5

      f92265d27975f6674601d45200d2de25

    • SHA1

      23cc2c0df450d4425dde1f663af5d8c810a32dd3

    • SHA256

      d3a05e751d5ca908573dcccbd992a38fdb0409f25924bd84b116d93b1dd2b644

    • SHA512

      1b92b67e81f323e8343484cfc3fd21462b4ce25b903d0ed52e1068670ab15d9c739a03a25260f75b33b65b5a527d64b2f46bc9edcabbd98e4e7ad32fe738e22a

    • SSDEEP

      12288:Wmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSPn9:uiLJbpI7I2WhQqZ7P9

    Score
    10/10
    remcosremotehostdiscoverypersistencerat

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

      ratremcos

    • Remcos family

      remcos

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks