Overview

overview

10

Static

static

1

B89BA7DD8D...B7.exe

windows7-x64

10

B89BA7DD8D...B7.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    B89BA7DD8D61CEDBACAA00AABEF600B7.exe

  • Size

    1.7MB

  • Sample

    240908-l2l9pssbnd

  • MD5

    b89ba7dd8d61cedbacaa00aabef600b7

  • SHA1

    7ac8349aca0ff91f198c2ce971651972312a61cb

  • SHA256

    e1f193deaa71595b668320d294635988f66c0f1ab1ab218e08fe3ae87fe10838

  • SHA512

    8117892316189e4e9fc5ab1a10cc5c68c2be7fabfbff08db08e78a1e84838128198e81f30c05325b18b234bba9116afbe34e8d2fef2eb03f1c05329e8d573f5a

  • SSDEEP

    24576:GzZYYYOHCKg3ADrO2paC5fgf+DcmRdU98IvFgxBHzfA69qLPvVixRXEiskKOdsUf:G2YRgm9paCyf+D2N6fuPvQ7KkKOINi

Score
10/10
remcosremotehostdiscoveryrat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

45.143.200.21:3389

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

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-EFBISE

  • 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

      B89BA7DD8D61CEDBACAA00AABEF600B7.exe

    • Size

      1.7MB

    • MD5

      b89ba7dd8d61cedbacaa00aabef600b7

    • SHA1

      7ac8349aca0ff91f198c2ce971651972312a61cb

    • SHA256

      e1f193deaa71595b668320d294635988f66c0f1ab1ab218e08fe3ae87fe10838

    • SHA512

      8117892316189e4e9fc5ab1a10cc5c68c2be7fabfbff08db08e78a1e84838128198e81f30c05325b18b234bba9116afbe34e8d2fef2eb03f1c05329e8d573f5a

    • SSDEEP

      24576:GzZYYYOHCKg3ADrO2paC5fgf+DcmRdU98IvFgxBHzfA69qLPvVixRXEiskKOdsUf:G2YRgm9paCyf+D2N6fuPvQ7KkKOINi

    Score
    10/10
    remcosremotehostdiscoveryrat

    • Remcos

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

      ratremcos

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates processes with tasklist

      discovery
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks