Overview

overview

10

Static

static

10

Backdoor.exe

windows10-1703-x64

10

Sharing

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General

  • Target

    Backdoor.exe

  • Size

    92KB

  • Sample

    240630-y79y6sxgmj

  • MD5

    1ae56ec879a82b9d0b34637cdbb498ef

  • SHA1

    523c2d5e3864c0be7593f7cb8d3cc5ef8391eba0

  • SHA256

    5abf99b5cb761cf5e1b14a3cf9f0edfff6b932592772aa422e2d1a691fe25432

  • SHA512

    4a5d836330d0e3a8451a83b31c9b122f6b0aff27a58ea97f8a07bb9dc22c19835b80e5588957551da645e5c7299193e32945287e709dd8579d30ec89fdb27bf7

  • SSDEEP

    1536:ohhW0YTGZWdVseJxaM9kraLdV2QkQ1TbPX8IHOCkIsI4ESHNTh9E+JP19qkP6XrE:uhzYTGWVvJ8f2v1TbPzuMsIFSHNThy+D

Score
10/10
remcoshostpersistencerat

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

185.254.97.15:2404

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %SystemDrive%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_rukbdcxfoo

  • 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

      Backdoor.exe

    • Size

      92KB

    • MD5

      1ae56ec879a82b9d0b34637cdbb498ef

    • SHA1

      523c2d5e3864c0be7593f7cb8d3cc5ef8391eba0

    • SHA256

      5abf99b5cb761cf5e1b14a3cf9f0edfff6b932592772aa422e2d1a691fe25432

    • SHA512

      4a5d836330d0e3a8451a83b31c9b122f6b0aff27a58ea97f8a07bb9dc22c19835b80e5588957551da645e5c7299193e32945287e709dd8579d30ec89fdb27bf7

    • SSDEEP

      1536:ohhW0YTGZWdVseJxaM9kraLdV2QkQ1TbPX8IHOCkIsI4ESHNTh9E+JP19qkP6XrE:uhzYTGWVvJ8f2v1TbPzuMsIFSHNThy+D

    Score
    10/10
    remcoshostpersistencerat

    • Remcos

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

      ratremcos

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks