Overview

overview

10

Static

static

1

b2353d3d5f...6a.exe

windows7-x64

10

b2353d3d5f...6a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b2353d3d5f9fc21db34d09c2fb6c4eee1f962dc8f8dcc1224d02c5c2dfea896a

  • Size

    1.3MB

  • Sample

    241128-sfv32swqhq

  • MD5

    27dee3ad8afbebda1a1bc1caeb41671c

  • SHA1

    425198f041d6ec31df61f7622889d1ba29b0def5

  • SHA256

    b2353d3d5f9fc21db34d09c2fb6c4eee1f962dc8f8dcc1224d02c5c2dfea896a

  • SHA512

    10ca86daba99bc4610722a822bb49f1d662edf0af31449d8958c62e015c7c6a514bef006404df6721cc4f7eb260a76dcb0a122dc90361d1a66c8b5eb5c7d7675

  • SSDEEP

    24576:MA73Eh5w49Br+ll3A11p2M30D7asFooAXWchbn5EVOHLvaRikkv9yq:Np2wC0DdFooAXFLyRiZvb

Score
10/10
remcoscsrssdiscoveryrat

Malware Config

Extracted

Family

remcos

Botnet

csrss

C2

154.216.18.132:6767

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-GED05O

  • 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

      b2353d3d5f9fc21db34d09c2fb6c4eee1f962dc8f8dcc1224d02c5c2dfea896a

    • Size

      1.3MB

    • MD5

      27dee3ad8afbebda1a1bc1caeb41671c

    • SHA1

      425198f041d6ec31df61f7622889d1ba29b0def5

    • SHA256

      b2353d3d5f9fc21db34d09c2fb6c4eee1f962dc8f8dcc1224d02c5c2dfea896a

    • SHA512

      10ca86daba99bc4610722a822bb49f1d662edf0af31449d8958c62e015c7c6a514bef006404df6721cc4f7eb260a76dcb0a122dc90361d1a66c8b5eb5c7d7675

    • SSDEEP

      24576:MA73Eh5w49Br+ll3A11p2M30D7asFooAXWchbn5EVOHLvaRikkv9yq:Np2wC0DdFooAXFLyRiZvb

    Score
    10/10
    remcoscsrssdiscoveryrat

    • 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.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates processes with tasklist

      discovery
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks