Overview

overview

10

Static

static

3

eb38e581ba...18.exe

windows7-x64

10

eb38e581ba...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    eb38e581ba2c7d46a2373dc9abc02b3b_JaffaCakes118

  • Size

    208KB

  • Sample

    240919-ne2rzsvhmg

  • MD5

    eb38e581ba2c7d46a2373dc9abc02b3b

  • SHA1

    86d8449307be9bdeea725c56254fde1692b82a30

  • SHA256

    326395aaa7878f136cf1b425be58bafc14becbdf9541532abab89d4c6a6ab693

  • SHA512

    d09ebf20951ec472b3b68e02f79493049f0f81972327a8d12ee7b7a3c643bb8a5f2ad5377f1f228fda61f38bfffb2c2123ca17095c30ea94c24dbb2cc40ac800

  • SSDEEP

    3072:NeVfhA2bkmeXqYVWYxB9dXAICnZy0+C1iX+7vzk5eP6dvT:NIAcheXZkYx/1AICnc0P1DbztPw

Score
10/10
remcosremotehostdiscoverypersistencerat

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

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

Targets

    • Target

      eb38e581ba2c7d46a2373dc9abc02b3b_JaffaCakes118

    • Size

      208KB

    • MD5

      eb38e581ba2c7d46a2373dc9abc02b3b

    • SHA1

      86d8449307be9bdeea725c56254fde1692b82a30

    • SHA256

      326395aaa7878f136cf1b425be58bafc14becbdf9541532abab89d4c6a6ab693

    • SHA512

      d09ebf20951ec472b3b68e02f79493049f0f81972327a8d12ee7b7a3c643bb8a5f2ad5377f1f228fda61f38bfffb2c2123ca17095c30ea94c24dbb2cc40ac800

    • SSDEEP

      3072:NeVfhA2bkmeXqYVWYxB9dXAICnZy0+C1iX+7vzk5eP6dvT:NIAcheXZkYx/1AICnc0P1DbztPw

    Score
    10/10
    remcosremotehostdiscoverypersistencerat

    • 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

    • Drops desktop.ini file(s)

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks