Analysis

  • max time kernel
    151s
  • max time network
    158s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-10-2024 16:01

General

  • Target

    AUTOADMITEACCINDETUTELA2024-00227-089..exe

  • Size

    3.0MB

  • MD5

    f6e7d3e0b27dd592539ba115204f17c1

  • SHA1

    d3c927a4814761e8d7351ca65a32b54a44c3af99

  • SHA256

    a2a6954921a89b533b968c8a9c571f95634a6a0ff9fff4e8ae38f351d0a5f2a1

  • SHA512

    1900cca5873d5a4cb16b753cb7e14321e1996fd8378d5caf5526a93b6c81c5daec2b803445cd0248a98671936360812e5a1b1edc4c6b77e8626c209d2dcf3a90

  • SSDEEP

    98304:n/P4+hcY3x4hp43ASRkF3HmJfFLh8Ex9rigA:n6C6ow3HmJffZrA

Malware Config

Extracted

Family

remcos

Botnet

BLUE

C2

septiembre18.con-ip.com:7776

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-SI8V36

  • 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AUTOADMITEACCINDETUTELA2024-00227-089..exe
    "C:\Users\Admin\AppData\Local\Temp\AUTOADMITEACCINDETUTELA2024-00227-089..exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2924
    • C:\Users\Admin\AppData\Local\Temp\AUTOADMITEACCINDETUTELA2024-00227-089..exe
      "C:\Users\Admin\AppData\Local\Temp\AUTOADMITEACCINDETUTELA2024-00227-089..exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    5fa08a9468db39c65f1ad9ff0a2886da

    SHA1

    ed975f2300e32801f4d3551e400afc9c296f8f34

    SHA256

    b6eb0b01a28fece9786207571483a703434f547dca6e76833dad63f354dbecf1

    SHA512

    207ca2b7e6f1aace6080160b2c89e23b43a4c12600dde7eac6334696d165e893b981d6be96a1ac38def1389bcb464cf65ce6ae6cd4434ce36abee9fa403bcfbe

  • memory/2916-26-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2916-16-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2916-22-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2916-23-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2916-50-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2916-12-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2916-18-0x0000000000400000-0x0000000000709000-memory.dmp

    Filesize

    3.0MB

  • memory/2916-51-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2916-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2916-28-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2916-19-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2916-42-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2916-58-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2916-35-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2916-8-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2916-24-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2916-25-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2916-34-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2924-6-0x0000000000400000-0x0000000000709000-memory.dmp

    Filesize

    3.0MB

  • memory/2924-1-0x0000000000514000-0x000000000052D000-memory.dmp

    Filesize

    100KB

  • memory/2924-2-0x0000000000400000-0x0000000000709000-memory.dmp

    Filesize

    3.0MB

  • memory/2924-0-0x0000000000400000-0x0000000000709000-memory.dmp

    Filesize

    3.0MB

  • memory/2924-7-0x0000000000400000-0x0000000000709000-memory.dmp

    Filesize

    3.0MB

  • memory/2924-17-0x0000000000400000-0x0000000000709000-memory.dmp

    Filesize

    3.0MB

  • memory/2924-13-0x0000000000400000-0x0000000000709000-memory.dmp

    Filesize

    3.0MB

  • memory/2924-4-0x0000000000400000-0x0000000000709000-memory.dmp

    Filesize

    3.0MB