Overview

overview

10

Static

static

04a8ec81d4...38.exe

windows7_x64

10

04a8ec81d4...38.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    04a8ec81d470d779101a2a39ad5b801668cbec7f78176f89766fd966744a9c38

  • Size

    186KB

  • Sample

    220527-y7qkjabee3

  • MD5

    07d887ce0ba2736fa8fbc5139ad74c3d

  • SHA1

    b818f67d4ac19b0c8fd2c167f4b48e188983a99d

  • SHA256

    04a8ec81d470d779101a2a39ad5b801668cbec7f78176f89766fd966744a9c38

  • SHA512

    791df0198131e32ccf3ba4e18cd8612279e41d1223238222a589ce44614aa81bf8fe6d34fb9a6dc3d7c9126753e283df2d48107ae5cbb1a51a297bbd33a26056

Score
10/10
remcosremotehostpersistencerat

Malware Config

Extracted

Family

remcos

Version

2.0.5 Pro

Botnet

RemoteHost

C2

79.172.242.28:2404

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    xi3s.exe

  • copy_folder

    xi3x

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %Temp%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-NL03Y0

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    xi5w

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

Extracted

Family

remcos

Botnet

RemoteHost

C2

79.172.242.28:2404

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    xi3s.exe

  • copy_folder

    xi3x

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %Temp%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-NL03Y0

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    xi5w

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

Targets

    • Target

      04a8ec81d470d779101a2a39ad5b801668cbec7f78176f89766fd966744a9c38

    • Size

      186KB

    • MD5

      07d887ce0ba2736fa8fbc5139ad74c3d

    • SHA1

      b818f67d4ac19b0c8fd2c167f4b48e188983a99d

    • SHA256

      04a8ec81d470d779101a2a39ad5b801668cbec7f78176f89766fd966744a9c38

    • SHA512

      791df0198131e32ccf3ba4e18cd8612279e41d1223238222a589ce44614aa81bf8fe6d34fb9a6dc3d7c9126753e283df2d48107ae5cbb1a51a297bbd33a26056

    Score
    10/10
    remcosremotehostpersistencerat

    • Remcos

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

      ratremcos

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • 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

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks