Analysis

  • max time kernel
    120s
  • max time network
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-09-2024 11:55

General

  • Target

    184f3482de1889af7a7b8a3388c04570N.exe

  • Size

    5.2MB

  • MD5

    184f3482de1889af7a7b8a3388c04570

  • SHA1

    e7d4881cd853709345ff2e5894ee609ebb91c525

  • SHA256

    60a3416af9fa6b078868ed5bdc8b4cda6ffc5b758497fad93276f6e996ab5192

  • SHA512

    409fd2ae5a4295856fc2064f0cfd7a32a6c4caeb4c8f7e1d63ae86089869530a9f1ef5d3693f531b3f644c56e9f43016ab790b14e86577ef9ccff2d36d4d390e

  • SSDEEP

    49152:ZEE7FBhfRWa3viMR0Ddxw6dXF3W1QrL1UDq3P8mlp4DOevT0boMJsVkoIZ1HUx:Z/jfRWaf4RW6OHmrZGT0sMuqoU

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.

  • 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\184f3482de1889af7a7b8a3388c04570N.exe
    "C:\Users\Admin\AppData\Local\Temp\184f3482de1889af7a7b8a3388c04570N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Users\Admin\AppData\Local\Temp\184f3482de1889af7a7b8a3388c04570N.exe
      "C:\Users\Admin\AppData\Local\Temp\184f3482de1889af7a7b8a3388c04570N.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2116

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2116-55-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-56-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-74-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-73-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-19-0x0000000000400000-0x0000000000965000-memory.dmp

    Filesize

    5.4MB

  • memory/2116-72-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-37-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-70-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-21-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-20-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-69-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-22-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-68-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-67-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-66-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-11-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-10-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-65-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-7-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-64-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-63-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-62-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-23-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-24-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-25-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-26-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-27-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-28-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-29-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-30-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-31-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-32-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-33-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-34-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-35-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-36-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-38-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-71-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-61-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-40-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-41-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-42-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-43-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-44-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-45-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-46-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-47-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-48-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-49-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-50-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-51-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-52-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-53-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-54-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-39-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-60-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-57-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-58-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2116-59-0x0000000000970000-0x00000000009E5000-memory.dmp

    Filesize

    468KB

  • memory/2380-8-0x0000000000400000-0x0000000000965000-memory.dmp

    Filesize

    5.4MB

  • memory/2380-14-0x0000000000935000-0x0000000000956000-memory.dmp

    Filesize

    132KB

  • memory/2380-2-0x0000000000400000-0x0000000000965000-memory.dmp

    Filesize

    5.4MB

  • memory/2380-13-0x00000000008EE000-0x00000000008F9000-memory.dmp

    Filesize

    44KB

  • memory/2380-6-0x0000000000400000-0x0000000000965000-memory.dmp

    Filesize

    5.4MB

  • memory/2380-0-0x0000000000400000-0x0000000000965000-memory.dmp

    Filesize

    5.4MB

  • memory/2380-1-0x000000000046F000-0x0000000000488000-memory.dmp

    Filesize

    100KB

  • memory/2380-5-0x0000000000400000-0x0000000000965000-memory.dmp

    Filesize

    5.4MB

  • memory/2380-12-0x000000000046F000-0x0000000000488000-memory.dmp

    Filesize

    100KB

  • memory/2380-15-0x00000000008FE000-0x0000000000903000-memory.dmp

    Filesize

    20KB

  • memory/2380-16-0x0000000000902000-0x0000000000936000-memory.dmp

    Filesize

    208KB

  • memory/2380-17-0x0000000000909000-0x0000000000936000-memory.dmp

    Filesize

    180KB

  • memory/2380-18-0x000000000093C000-0x0000000000956000-memory.dmp

    Filesize

    104KB

  • memory/2380-9-0x0000000000400000-0x0000000000965000-memory.dmp

    Filesize

    5.4MB

  • memory/2380-3-0x0000000000400000-0x0000000000965000-memory.dmp

    Filesize

    5.4MB