Overview

overview

10

Static

static

3a4b5b4f8f...2b.exe

windows7_x64

10

3a4b5b4f8f...2b.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    3a4b5b4f8fd60dd3028706daa87d996b0690f6ad320540139fd2e0c66d0c432b

  • Size

    588KB

  • Sample

    220625-fgtkdsehan

  • MD5

    958eb87d60959a12563ed9af47d911a5

  • SHA1

    6c7d310a1188cf1be548328b67e9df407a8f59ab

  • SHA256

    3a4b5b4f8fd60dd3028706daa87d996b0690f6ad320540139fd2e0c66d0c432b

  • SHA512

    abff3aca43311bf2d72c6f1988a8ccafbbba4932c386d2a60962713a57c1d362b982297b263f292d71feffbe70fc34bfefbfb8b785c6520b7d48d84be6de7e8f

Score
10/10
remcosremotehostpersistencerat

Malware Config

Extracted

Family

remcos

Version

2.4.5 Pro

Botnet

RemoteHost

C2

185.244.31.74:6666

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-TRR060

  • 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

  • take_screenshot_title

    wikipedia;solitaire;

Targets

    • Target

      3a4b5b4f8fd60dd3028706daa87d996b0690f6ad320540139fd2e0c66d0c432b

    • Size

      588KB

    • MD5

      958eb87d60959a12563ed9af47d911a5

    • SHA1

      6c7d310a1188cf1be548328b67e9df407a8f59ab

    • SHA256

      3a4b5b4f8fd60dd3028706daa87d996b0690f6ad320540139fd2e0c66d0c432b

    • SHA512

      abff3aca43311bf2d72c6f1988a8ccafbbba4932c386d2a60962713a57c1d362b982297b263f292d71feffbe70fc34bfefbfb8b785c6520b7d48d84be6de7e8f

    Score
    10/10
    remcosremotehostpersistencerat

    • Remcos

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

      ratremcos

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • 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