Resubmissions

21-01-2025 11:18

250121-nef6aa1jfx 10

Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-01-2025 11:18

General

  • Target

    DTLite.exe

  • Size

    2.1MB

  • MD5

    684de18cccab7719057cd4bbfbee16c3

  • SHA1

    a7b956a4aca4624fb466a932d49fb3268a42b7e2

  • SHA256

    fb26dcd89930afef0012125087704a3564d8ef0a37c3c6c021b42071ad273ceb

  • SHA512

    a06aefaf05f3011daeb65a34a773e920b868078c3c104982546a6d5a75c3da11cf9988adb1d595264d8d3cf78f340bae2d8242ca3e6090d72e2fce747c7176cb

  • SSDEEP

    49152:/1YhxSNudS5ZpWBd7tOvJOUUFBIMXxl4IPTRUN33eFvlux4NuAIBq6As/qZrUFjk:dYm54t6rUOSW

Malware Config

Extracted

Family

remcos

Version

4.9.3 Light

Botnet

RemoteHost

C2

127.0.0.1:2404

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

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-52SPIJ

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Remcos family
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DTLite.exe
    "C:\Users\Admin\AppData\Local\Temp\DTLite.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4456
    • C:\Users\Admin\AppData\Local\Temp\DTLite.exe
      "C:\Users\Admin\AppData\Local\Temp\DTLite.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:864

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/864-38-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-13-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-12-0x0000000000400000-0x0000000000621000-memory.dmp

    Filesize

    2.1MB

  • memory/864-5-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-36-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-37-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-71-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-70-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-69-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-68-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-67-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-66-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-14-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-15-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-16-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-17-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-18-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-19-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-20-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-21-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-22-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-23-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-24-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-25-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-26-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-27-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-28-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-29-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-30-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-31-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-32-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-33-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-34-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-35-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-10-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-65-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-11-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-39-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-40-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-41-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-42-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-43-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-44-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-45-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-46-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-47-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-48-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-49-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-50-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-51-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-52-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-53-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-54-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-55-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-56-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-57-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-58-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-59-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-60-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-61-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-62-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-63-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/864-64-0x0000000000630000-0x00000000006A5000-memory.dmp

    Filesize

    468KB

  • memory/4456-1-0x0000000000407000-0x0000000000421000-memory.dmp

    Filesize

    104KB

  • memory/4456-9-0x00000000005CE000-0x00000000005FA000-memory.dmp

    Filesize

    176KB

  • memory/4456-8-0x00000000005B9000-0x00000000005C0000-memory.dmp

    Filesize

    28KB

  • memory/4456-4-0x0000000000400000-0x0000000000621000-memory.dmp

    Filesize

    2.1MB

  • memory/4456-2-0x0000000000400000-0x0000000000621000-memory.dmp

    Filesize

    2.1MB

  • memory/4456-3-0x0000000000400000-0x0000000000621000-memory.dmp

    Filesize

    2.1MB

  • memory/4456-0-0x0000000000400000-0x0000000000621000-memory.dmp

    Filesize

    2.1MB

  • memory/4456-7-0x0000000000407000-0x0000000000421000-memory.dmp

    Filesize

    104KB

  • memory/4456-6-0x0000000000400000-0x0000000000621000-memory.dmp

    Filesize

    2.1MB