Overview

overview

10

Static

static

8

CITIREMITT...CE.xls

windows7-x64

10

CITIREMITT...CE.xls

windows10-2004-x64

10

Sharing

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General

  • Target

    CITIREMITTANCEADVICE.xls

  • Size

    119KB

  • Sample

    220811-n9g13aehfq

  • MD5

    2057c566db6fb1532e9bee1cdab7f018

  • SHA1

    ac672abfc153fdabcbb1f1ffa149dc98e05e7c72

  • SHA256

    9b0ac9fff5a7bf388a5921f555f31d9d6004901b62ed0d1da9eb0b19e04cbc46

  • SHA512

    9e083e11b5fef981ce0234553ea8b61a0ccd264e03d6afab47242c6046e18bb665d24c5a604f7772dbf21ef3d6b0c0bb3bb70d16d08705a8b9e513ad3ef32df1

Score
10/10
remcosaugmacromacro_on_actionrat

Malware Config

Extracted

Family

remcos

Botnet

Aug

C2

topboysully.dvrlists.com:10171

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

    Aug-MR3KZU

  • 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

      CITIREMITTANCEADVICE.xls

    • Size

      119KB

    • MD5

      2057c566db6fb1532e9bee1cdab7f018

    • SHA1

      ac672abfc153fdabcbb1f1ffa149dc98e05e7c72

    • SHA256

      9b0ac9fff5a7bf388a5921f555f31d9d6004901b62ed0d1da9eb0b19e04cbc46

    • SHA512

      9e083e11b5fef981ce0234553ea8b61a0ccd264e03d6afab47242c6046e18bb665d24c5a604f7772dbf21ef3d6b0c0bb3bb70d16d08705a8b9e513ad3ef32df1

    Score
    10/10
    remcosaugrat

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Remcos

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

      ratremcos

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks