General

  • Target

    FAKTURA-CM.tar.lz

  • Size

    592KB

  • Sample

    230404-nta8ksge3s

  • MD5

    7295f6af7c814cb270d9e0f937c99549

  • SHA1

    2c1211fb666a517170572240ace72450eac9b5fc

  • SHA256

    7fd220a5b462ed9892294e64e268e3c3f82caa91ccb991175a42409e8fc84533

  • SHA512

    7b5317cd2e726574057f160acbb7b13d3461f70abc027c8c19d745bf71b928bf4dd4cac116be8a13beb4a497998a7849ea68e887499dc04675799a384aa450c3

  • SSDEEP

    12288:1WzCBVf5R5TbefcnXBnC9POckgCjNINxNtJSeuLR9/rKJhjrC:ozCBVzhbOcXAzkgC5oxk7mJhjrC

Malware Config

Extracted

Family

remcos

Botnet

EXODUS 2023

C2

chimarem.duckdns.org:1356

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-JNASFK

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      FAKTURA CM.exe

    • Size

      1.0MB

    • MD5

      a343f50cd43fa80911330c79d13657c9

    • SHA1

      52f0bff35d59bb7e0f6605b765af90960d6ff741

    • SHA256

      b09339b9505717e86f7c99f1bda7bf3b1cabdb4e477f98990b190c928a26d966

    • SHA512

      2096caf50f7726a7b2fb453412936246e138e41940e1a10f6e6cdadf12056d2086c3115918a8e554989f7d11a1e20faf5b7c9e7209abe4ccfce6f9af53197f13

    • SSDEEP

      24576:v6R9yfVUXwTEfF59XADz3OjaZQQJ0nhUGfAptLM:v6mO0MF59XADzejakuGfA3M

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Remcos

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

    • ModiLoader Second Stage

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Tasks