Overview

overview

10

Static

static

1

.pdf.exe

windows7-x64

10

.pdf.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    .pdf.exe

  • Size

    1.7MB

  • Sample

    241223-rb1x3a1pey

  • MD5

    e64509a606fef02334a4b20d3da84ecf

  • SHA1

    4277ab565325593bd91dea95976942f3b636747c

  • SHA256

    94e4256177777422e7ca3282075bb34480c9e235a1c5f3209918abfe1f341697

  • SHA512

    c7c5f8319ffb2a13cc424f8da11f0c0f794fb6496995d90a30222a9da71b882cffbf6d21343713d074cd7e1aaf3c2286998532cda50d77d6380395613a0f2317

  • SSDEEP

    24576:m+e9sK6m7r7RXyzS0MzK8Y82mTn1fLSfl/AQB/Wa5zZtur9THsm7xqEBvBDNis:pe9iG/dyuzHYW14ZAQBlZtur9THNtvj9

Score
10/10
remcosrmc_fodiscoveryrat

Malware Config

Extracted

Family

remcos

Botnet

rmc_fo

C2

101.99.94.64:2404

101.99.94.64:80

101.99.94.64:8080

101.99.94.64:465

101.99.94.64:50000
Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    rmc

  • mouse_option

    false

  • mutex

    fojdjjeuJJJnd-LZ12B2

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      .pdf.exe

    • Size

      1.7MB

    • MD5

      e64509a606fef02334a4b20d3da84ecf

    • SHA1

      4277ab565325593bd91dea95976942f3b636747c

    • SHA256

      94e4256177777422e7ca3282075bb34480c9e235a1c5f3209918abfe1f341697

    • SHA512

      c7c5f8319ffb2a13cc424f8da11f0c0f794fb6496995d90a30222a9da71b882cffbf6d21343713d074cd7e1aaf3c2286998532cda50d77d6380395613a0f2317

    • SSDEEP

      24576:m+e9sK6m7r7RXyzS0MzK8Y82mTn1fLSfl/AQB/Wa5zZtur9THsm7xqEBvBDNis:pe9iG/dyuzHYW14ZAQBlZtur9THNtvj9

    Score
    10/10
    remcosrmc_fodiscoveryrat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Checks computer location settings

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

    • Deletes itself

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates processes with tasklist

      discovery
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks