Overview

overview

10

Static

static

3

FACTURA0867899.exe

windows7-x64

10

FACTURA0867899.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    FACTURA0867899.uue

  • Size

    876KB

  • Sample

    240108-svthrsceaq

  • MD5

    4460a2bdfe245826ddeaf3c33da9b0dc

  • SHA1

    8222d55f203b9261098199ecd8da9e9b9009dfdb

  • SHA256

    f2b306ed5fc9f208ea1aed5ff8f0c6bf42035bd8d798c555bd6fe35439164fc0

  • SHA512

    f3bc8eec3bf657743af3bca30fa67d1827c3c1e45428efebf184697e43e0d0505f5f3205ac2869461ddc31edd5c916b64559b993ebe048434a44ca903ccb7cb8

  • SSDEEP

    24576:Ku0wjvYPa8S6nqxPhqc5WaqdsjAo8BDLoSt:z0wjAP7VqloZjFPLoI

Score
10/10
remcospcmicrosoftpersistencephishingrat

Malware Config

Extracted

Family

remcos

Botnet

PC

C2

107.175.229.139:8087

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

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-X5MJYU

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      FACTURA0867899.cmd

    • Size

      912KB

    • MD5

      ec321ec987bfbb7078c2b4c3a407bd0f

    • SHA1

      b6474733ef629cf8501d0cd7c1c1428d44ebacee

    • SHA256

      c4a58cee5b6429470512c41c02eed22b001e51582a59478b2cff6191cb3b88f4

    • SHA512

      a785ceeba49877585c02a0b56ca6515ce1ba61337c6fff8a0490cb9c6f7af900e1162d95006af2a59efe853234aaa8813cea696c8cfe7c9b61ad08b08b0b74c7

    • SSDEEP

      24576:85rCLlIPesC4ABN6zQ85WiCfsRAoAvY6B:85WLCPZ3AuE5d9

    Score
    10/10
    remcospcpersistenceratmicrosoftphishing

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Detected potential entity reuse from brand microsoft.

      phishingmicrosoft

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks