Overview

overview

10

Static

static

8

c4fa78775e...c0.xls

windows7-x64

10

c4fa78775e...c0.xls

windows10-2004-x64

10

Sharing

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General

  • Target

    c4fa78775e976b5e30d4f2fb71d48b068b3dc27d625972296fd5cc28c58eb1c0.zip

  • Size

    10KB

  • Sample

    220803-yda8raega9

  • MD5

    5f731fa7c560c87b9eeba3e7e2f5c03c

  • SHA1

    92d7e08814424698f9ecd36146d2c665d1300cb9

  • SHA256

    9765bf6f8c394a94d04b26211e43346ed51561171929aedf7183843fe8d1bfeb

  • SHA512

    afac5c9a858f567fa79e15b7edc3b3750dab784774bd842225c24955d6b0896efd3f978b610ee1396db185f3b0a56b2ecf55f71ede65402f3735e9e00d4a2c2f

Score
10/10
remcosremotehostmacromacro_on_actionrat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

jacksonmuhammad990.duckdns.org:161

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

    Remcos-Y3JNVG

  • 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

      c4fa78775e976b5e30d4f2fb71d48b068b3dc27d625972296fd5cc28c58eb1c0

    • Size

      32KB

    • MD5

      eb7a80763f59da222984d9f111f45bb4

    • SHA1

      192d549cd2c007453d41c436a03f1947f04e212f

    • SHA256

      c4fa78775e976b5e30d4f2fb71d48b068b3dc27d625972296fd5cc28c58eb1c0

    • SHA512

      56e9c3dbbdc14ed85dce54a644eca5cef874df9492f72937f12407d22dea9a5b7f7efbe273bfeb887d6e8ee54d5af7696d30c37d5bacb35c88b22a5a9ec57813

    Score
    10/10
    remcosremotehostrat

    • 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