Overview

overview

10

Static

static

UUS.exe

windows7-x64

10

UUS.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    UUS.exe

  • Size

    1.1MB

  • Sample

    221014-sbh8padff8

  • MD5

    a3cc5b79c80fdc265d97ea7c73ae8017

  • SHA1

    b9514255b5aebb6b07a133a0f70124c9a456ade0

  • SHA256

    eadcb694c90b03001c2f276e59f56167138a77726f18e422ae942b8a518ca8c2

  • SHA512

    b83b71b05075ae581330e1113fc6bfba325cb1147f560bb97b4d0317d9a646f5c495222545a56d96d8e3255eab84e09d9d70e632a2951bd82fb14c47dca16730

  • SSDEEP

    24576:/ekPPpLnSJQwtTdFoBKvq4wL404YIE1Zu7/s8b/dROp6HlzF:DhneQwTFykqfL4wIE1U7JSEHlzF

Score
10/10
remcosud-hostpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

UD-Host

C2

amegroupofschoos32.sytes.net:4820

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    dos.exe

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • mouse_option

    false

  • mutex

    Rmc-7F587C

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    ax

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      UUS.exe

    • Size

      1.1MB

    • MD5

      a3cc5b79c80fdc265d97ea7c73ae8017

    • SHA1

      b9514255b5aebb6b07a133a0f70124c9a456ade0

    • SHA256

      eadcb694c90b03001c2f276e59f56167138a77726f18e422ae942b8a518ca8c2

    • SHA512

      b83b71b05075ae581330e1113fc6bfba325cb1147f560bb97b4d0317d9a646f5c495222545a56d96d8e3255eab84e09d9d70e632a2951bd82fb14c47dca16730

    • SSDEEP

      24576:/ekPPpLnSJQwtTdFoBKvq4wL404YIE1Zu7/s8b/dROp6HlzF:DhneQwTFykqfL4wIE1U7JSEHlzF

    Score
    10/10
    remcosud-hostpersistencerat

    • Remcos

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

      ratremcos

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks