Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-10-2022 15:40

General

  • Target

    New Purchase Order–P2D026434-590000206/New Purchase Order–P2D026434-59000034675.exe

  • Size

    902KB

  • MD5

    9532ec4054bbcd5e7c57d56b84a79c05

  • SHA1

    f14ec826b3b8d885f06279fdf10279b291e9b424

  • SHA256

    66036dbdefe6e7a12bd3d05d98be19e5ea65f339866b3765c0bbe057615e4e86

  • SHA512

    d981b28e6da4e1070db7509837b0f6ac3f77765deac60a1a86171041a0484e8ad975a00f21d489105925a29e306bcc55f1b7424595480b0da45f69829066098a

  • SSDEEP

    12288:i9DB0XN+2zVPNZHHuixe/5Zh0SYWf1bjUGKgEbORhFBN8De3JFjcTWZmhj+wzhd:uDmwoHHuSe/5j0ifVU5u8DAo3YYh

Malware Config

Extracted

Family

remcos

Botnet

DUCKDOMAIN-FILE

C2

dapsan.duckdns.org:2404

www.dapsan.biz:2404

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

    true

  • install_flag

    false

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-BERTBE

  • 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

Signatures

  • 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 63 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New Purchase Order–P2D026434-590000206\New Purchase Order–P2D026434-59000034675.exe
    "C:\Users\Admin\AppData\Local\Temp\New Purchase Order–P2D026434-590000206\New Purchase Order–P2D026434-59000034675.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1016
    • C:\Windows\SysWOW64\colorcpl.exe
      C:\Windows\System32\colorcpl.exe
      2⤵
        PID:1628

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1016-132-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-134-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-135-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-136-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-137-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-138-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-140-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-139-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-141-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-142-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-143-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-144-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-145-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-146-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-147-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-148-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-150-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-151-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-149-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-152-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-153-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-154-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-155-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-156-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-157-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-159-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-158-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-160-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-161-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-162-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-163-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-164-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-165-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-166-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-167-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-168-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-169-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-170-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-171-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-172-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-173-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-174-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-175-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-176-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-177-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-178-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-179-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-180-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-181-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-182-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-183-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-185-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-184-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-186-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-187-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-190-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-189-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-188-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-191-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-192-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-193-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-194-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1016-195-0x0000000002860000-0x000000000288B000-memory.dmp
      Filesize

      172KB

    • memory/1628-209-0x0000000000000000-mapping.dmp
    • memory/1628-300-0x0000000010590000-0x0000000010612000-memory.dmp
      Filesize

      520KB

    • memory/1628-302-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB

    • memory/1628-335-0x0000000000400000-0x000000000047F000-memory.dmp
      Filesize

      508KB