Overview

overview

10

Static

static

lib64.exe

windows7-x64

10

lib64.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    lib64.exe

  • Size

    2.6MB

  • Sample

    221207-gbqf8ahg77

  • MD5

    547805ed81de01127783eb1800aefc84

  • SHA1

    ae79257049ca56a315245233c29e88e55852d269

  • SHA256

    c4ec288c3ae80a59a799b95facdccf7a1678f8d4d354d2c07019f078c2d90988

  • SHA512

    9358c138a8d985c55873ec0246bcb91041d1dd386240e7f5767cb97be29e3abe7ccde066bca2c4c29f187a67758a5efa4eaf81bbd749256c068866f4fc0ad631

  • SSDEEP

    49152:o90L3Cwdt5qXwDGhLvA3WngsmwS1eU3yKy4qfEb95TABPLdSdcm2JwY:NL3Cw/5DGhLvA5XwS1TiKy4fDT8PLYda

Score
10/10
remcosremotehostpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

206.188.197.133:2404

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    servicedir.exe

  • copy_folder

    rootdir

  • 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-2AH6QY

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    servicedir

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      lib64.exe

    • Size

      2.6MB

    • MD5

      547805ed81de01127783eb1800aefc84

    • SHA1

      ae79257049ca56a315245233c29e88e55852d269

    • SHA256

      c4ec288c3ae80a59a799b95facdccf7a1678f8d4d354d2c07019f078c2d90988

    • SHA512

      9358c138a8d985c55873ec0246bcb91041d1dd386240e7f5767cb97be29e3abe7ccde066bca2c4c29f187a67758a5efa4eaf81bbd749256c068866f4fc0ad631

    • SSDEEP

      49152:o90L3Cwdt5qXwDGhLvA3WngsmwS1eU3yKy4qfEb95TABPLdSdcm2JwY:NL3Cw/5DGhLvA5XwS1TiKy4fDT8PLYda

    Score
    10/10
    remcosremotehostpersistencerat

    • Remcos

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

      ratremcos

    • Checks computer location settings

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

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks