Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-09-2024 00:36

General

  • Target

    5e9d9c1364673490d455148435090baa052669e8cee13b50748948e5985c25ce.exe

  • Size

    5.8MB

  • MD5

    ade34cd0b91ca5d0611281102c820115

  • SHA1

    ba9905c285731efddb981e1c0d93ebf0a195aa71

  • SHA256

    5e9d9c1364673490d455148435090baa052669e8cee13b50748948e5985c25ce

  • SHA512

    3fa1d17227ee0d050f1c8222d5cce8729966cc652278952652d69efb07d48748b1f54cf093b898939187abdc22c92b97c0747ca7b68c4884a253f8bd4b9ad312

  • SSDEEP

    98304:XtLutabh4NYxtJpkxhGgvPLOqjajvD333yu3m6kn:H6OxtJahLdjaKu3Xu

Malware Config

Extracted

Family

remcos

Botnet

ZOLETADAA

C2

andreslopezpu1458.con-ip.com:1667

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-GWGDJF

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e9d9c1364673490d455148435090baa052669e8cee13b50748948e5985c25ce.exe
    "C:\Users\Admin\AppData\Local\Temp\5e9d9c1364673490d455148435090baa052669e8cee13b50748948e5985c25ce.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4460
    • C:\Users\Admin\AppData\Local\Temp\5e9d9c1364673490d455148435090baa052669e8cee13b50748948e5985c25ce.exe
      "C:\Users\Admin\AppData\Local\Temp\5e9d9c1364673490d455148435090baa052669e8cee13b50748948e5985c25ce.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    fd7577d5c0050e0e2f28ed47ae0ba61f

    SHA1

    ffe4538f996e0f4918404dbf428fbbd435b7a125

    SHA256

    94b3b3398987d47fdbae51c162a8448a29a2a461283005d91eae173027b4581b

    SHA512

    99ad9e9386334be4e91df3f9b089cc0151e5cd7e1a4536361e1f0a96d680bcc6d53b00f24bc879a062d89875254cb5ad9b83699308ba4fe5067622e582521249

  • memory/724-13-0x00000000009E0000-0x0000000000A62000-memory.dmp

    Filesize

    520KB

  • memory/724-32-0x00000000009E0000-0x0000000000A62000-memory.dmp

    Filesize

    520KB

  • memory/724-18-0x0000000000400000-0x00000000009DB000-memory.dmp

    Filesize

    5.9MB

  • memory/724-55-0x00000000009E0000-0x0000000000A62000-memory.dmp

    Filesize

    520KB

  • memory/724-19-0x00000000009E0000-0x0000000000A62000-memory.dmp

    Filesize

    520KB

  • memory/724-54-0x00000000009E0000-0x0000000000A62000-memory.dmp

    Filesize

    520KB

  • memory/724-48-0x00000000009E0000-0x0000000000A62000-memory.dmp

    Filesize

    520KB

  • memory/724-16-0x00000000009E0000-0x0000000000A62000-memory.dmp

    Filesize

    520KB

  • memory/724-12-0x00000000009E0000-0x0000000000A62000-memory.dmp

    Filesize

    520KB

  • memory/724-47-0x00000000009E0000-0x0000000000A62000-memory.dmp

    Filesize

    520KB

  • memory/724-17-0x00000000009E0000-0x0000000000A62000-memory.dmp

    Filesize

    520KB

  • memory/724-20-0x00000000009E0000-0x0000000000A62000-memory.dmp

    Filesize

    520KB

  • memory/724-7-0x00000000009E0000-0x0000000000A62000-memory.dmp

    Filesize

    520KB

  • memory/724-39-0x00000000009E0000-0x0000000000A62000-memory.dmp

    Filesize

    520KB

  • memory/724-40-0x00000000009E0000-0x0000000000A62000-memory.dmp

    Filesize

    520KB

  • memory/724-31-0x00000000009E0000-0x0000000000A62000-memory.dmp

    Filesize

    520KB

  • memory/724-11-0x00000000009E0000-0x0000000000A62000-memory.dmp

    Filesize

    520KB

  • memory/724-21-0x00000000009E0000-0x0000000000A62000-memory.dmp

    Filesize

    520KB

  • memory/724-25-0x00000000009E0000-0x0000000000A62000-memory.dmp

    Filesize

    520KB

  • memory/4460-23-0x00000000005AD000-0x00000000005C5000-memory.dmp

    Filesize

    96KB

  • memory/4460-1-0x00000000005AD000-0x00000000005C5000-memory.dmp

    Filesize

    96KB

  • memory/4460-5-0x0000000000400000-0x00000000009DB000-memory.dmp

    Filesize

    5.9MB

  • memory/4460-2-0x0000000000400000-0x00000000009DB000-memory.dmp

    Filesize

    5.9MB

  • memory/4460-10-0x0000000000400000-0x00000000009DB000-memory.dmp

    Filesize

    5.9MB

  • memory/4460-4-0x0000000000400000-0x00000000009DB000-memory.dmp

    Filesize

    5.9MB

  • memory/4460-9-0x0000000000400000-0x00000000009DB000-memory.dmp

    Filesize

    5.9MB

  • memory/4460-0-0x0000000000400000-0x00000000009DB000-memory.dmp

    Filesize

    5.9MB

  • memory/4460-8-0x0000000000400000-0x00000000009DB000-memory.dmp

    Filesize

    5.9MB

  • memory/4460-6-0x0000000000400000-0x00000000009DB000-memory.dmp

    Filesize

    5.9MB