Overview

overview

10

Static

static

9082c4d76e...0d.exe

windows7-x64

10

9082c4d76e...0d.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9082c4d76e331613cd970532a2fa90fcf86ffe0180b9d997dd8c4c93559e5d0d

  • Size

    321KB

  • Sample

    221130-vn7sxsce4x

  • MD5

    efd7d49d7985282a6049b308965c1888

  • SHA1

    308ccb6f12c0f3c456c57051f691e929edf13a9e

  • SHA256

    9082c4d76e331613cd970532a2fa90fcf86ffe0180b9d997dd8c4c93559e5d0d

  • SHA512

    8ca78873323ed7d56b6f610227bb40d30883db1ba3dbee7a322872ab091a21b58dd52e762d00ea3d4eee7416c24400cac07743e21597d61bff5e83c1a7cacc21

  • SSDEEP

    6144:BrJOumSn1I+U5F5WTLErZ0ySwNNZFnKZ8+0nAbSfOL/+H0mjYawdF1Ust:KumSnm+U5F5WTLErZ0PwnySmL/+UmjY4

Score
10/10
remcosremotehostmicrosoftevasionpersistencephishingrattrojan

Malware Config

Extracted

Family

remcos

Version

2.4.7 Pro

Botnet

RemoteHost

C2

okkkk1.ddns.net:4444

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

    true

  • 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-9WWA88

  • screenshot_crypt

    true

  • screenshot_flag

    true

  • 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

      9082c4d76e331613cd970532a2fa90fcf86ffe0180b9d997dd8c4c93559e5d0d

    • Size

      321KB

    • MD5

      efd7d49d7985282a6049b308965c1888

    • SHA1

      308ccb6f12c0f3c456c57051f691e929edf13a9e

    • SHA256

      9082c4d76e331613cd970532a2fa90fcf86ffe0180b9d997dd8c4c93559e5d0d

    • SHA512

      8ca78873323ed7d56b6f610227bb40d30883db1ba3dbee7a322872ab091a21b58dd52e762d00ea3d4eee7416c24400cac07743e21597d61bff5e83c1a7cacc21

    • SSDEEP

      6144:BrJOumSn1I+U5F5WTLErZ0ySwNNZFnKZ8+0nAbSfOL/+H0mjYawdF1Ust:KumSnm+U5F5WTLErZ0PwnySmL/+UmjY4

    Score
    10/10
    remcosremotehostevasionpersistencerattrojanmicrosoftphishing

    • Remcos

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

      ratremcos

    • UAC bypass

      evasiontrojan

    • Executes dropped EXE

    • Checks computer location settings

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

    • Drops startup file

    • 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 v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Modify Registry

4
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks