Overview

overview

10

Static

static

10

2cbab4c978...09.exe

windows7-x64

10

2cbab4c978...09.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2cbab4c9780503d1f7129cfe49eac3a053a86c3180c2593b57e5217024fd3a09.exe

  • Size

    100KB

  • Sample

    241211-mxvwqatpcj

  • MD5

    a6cd54aa3e07ad18d93608c4fad26e5a

  • SHA1

    75ba30995c50d0ce6858f14d4575864c516f5334

  • SHA256

    2cbab4c9780503d1f7129cfe49eac3a053a86c3180c2593b57e5217024fd3a09

  • SHA512

    83399f1a98ed7477f89466f3a9dbfc7cb7a9e3a6b269d26ee09c58f91a83931353d1f7356446036d24dfbd75e3a391d129e264c52b1c897817145777ac7d13ec

  • SSDEEP

    3072:LhzYTGWVvJ8f2v1TbPzuMsIFSHNThy+JP/P6br3J:LhzOv2fM13jsIFSHNT7P/P6X3J

Score
10/10
remcoshostdiscoveryevasionpersistencerat

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

188.120.241.61:777

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    ipinfo.exe

  • copy_folder

    Ipdata

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    true

  • mutex

    remcos_fwwcnrwpyg

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      2cbab4c9780503d1f7129cfe49eac3a053a86c3180c2593b57e5217024fd3a09.exe

    • Size

      100KB

    • MD5

      a6cd54aa3e07ad18d93608c4fad26e5a

    • SHA1

      75ba30995c50d0ce6858f14d4575864c516f5334

    • SHA256

      2cbab4c9780503d1f7129cfe49eac3a053a86c3180c2593b57e5217024fd3a09

    • SHA512

      83399f1a98ed7477f89466f3a9dbfc7cb7a9e3a6b269d26ee09c58f91a83931353d1f7356446036d24dfbd75e3a391d129e264c52b1c897817145777ac7d13ec

    • SSDEEP

      3072:LhzYTGWVvJ8f2v1TbPzuMsIFSHNThy+JP/P6br3J:LhzOv2fM13jsIFSHNT7P/P6X3J

    Score
    10/10
    remcoshostdiscoveryevasionpersistencerat

    • Modifies WinLogon for persistence

      persistence

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Adds policy Run key to start application

      persistence

    • 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

    • Modifies WinLogon

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks