Overview

overview

10

Static

static

3

f309f3761a...d3.exe

windows7-x64

7

f309f3761a...d3.exe

windows10-2004-x64

10

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

Sharing

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General

  • Target

    f309f3761a93a216dbf027483ef67fefa7faaea1f99fd1c0da212679992959d3

  • Size

    922KB

  • Sample

    241113-ykbg4axnfw

  • MD5

    e5e0751344586ce05049a64737b3153b

  • SHA1

    a496cd1b4582983ae5dbfd66bc8909cbc278bceb

  • SHA256

    f309f3761a93a216dbf027483ef67fefa7faaea1f99fd1c0da212679992959d3

  • SHA512

    16d1e0fa127b668e707fa866787a56e4a6c2fd02bc1fb252c9536ba8176a83d94e5208ddf9be90c5bf7b61d51ceebd22a3452ede6eb20858e3ee72b8b08bbcd5

  • SSDEEP

    24576:yBfJj94G/6rElS6BA0OW6WEN9goUIxCZm74qLi:ARj94uBz3OWEQqCZm74mi

Score
10/10
remcoslonewolfdiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Botnet

LoneWolf

C2

odumegwu.duckdns.org:51525

odumeje1.duckdns.org:51525

odumeje.duckdns.org:51525
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

    remcos

  • mouse_option

    false

  • mutex

    Rmc-3DX9QW

  • 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

      f309f3761a93a216dbf027483ef67fefa7faaea1f99fd1c0da212679992959d3

    • Size

      922KB

    • MD5

      e5e0751344586ce05049a64737b3153b

    • SHA1

      a496cd1b4582983ae5dbfd66bc8909cbc278bceb

    • SHA256

      f309f3761a93a216dbf027483ef67fefa7faaea1f99fd1c0da212679992959d3

    • SHA512

      16d1e0fa127b668e707fa866787a56e4a6c2fd02bc1fb252c9536ba8176a83d94e5208ddf9be90c5bf7b61d51ceebd22a3452ede6eb20858e3ee72b8b08bbcd5

    • SSDEEP

      24576:yBfJj94G/6rElS6BA0OW6WEN9goUIxCZm74qLi:ARj94uBz3OWEQqCZm74mi

    Score
    10/10
    discoveryremcoslonewolfpersistencerat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

    • Target

      $PLUGINSDIR/System.dll

    • Size

      12KB

    • MD5

      12b140583e3273ee1f65016becea58c4

    • SHA1

      92df24d11797fefd2e1f8d29be9dfd67c56c1ada

    • SHA256

      014f1dfeb842cf7265a3644bc6903c592abe9049bfc7396829172d3d72c4d042

    • SHA512

      49ffdfa1941361430b6acb3555fd3aa05e4120f28cbdf7ceaa2af5937d0b8cccd84471cf63f06f97cf203b4aa20f226bdad082e9421b8e6b62ab6e1e9fc1e68a

    • SSDEEP

      192:gFiQJ77pJp17C8F1A5xjGNxrgFOgb7lrT/nC93:E7pJp48F2exrg5F/C

    Score
    3/10
    discovery
    behavioral3behavioral4

MITRE ATT&CK Enterprise v15

Tasks