Resubmissions

21-01-2025 11:18

250121-nef6aa1jfx 10

Analysis

  • max time kernel
    151s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    21-01-2025 11:18

General

  • Target

    96d1bc7dec91a7a4e5fe653853a504e07d17e898fa437cf75e929fa909dd6bb7.exe

  • Size

    1.9MB

  • MD5

    793083dde2eea5178604a08fb09da307

  • SHA1

    95934b5ce27e6e6460e0eb4d6f6d43f5ee152fde

  • SHA256

    96d1bc7dec91a7a4e5fe653853a504e07d17e898fa437cf75e929fa909dd6bb7

  • SHA512

    94cf4786a639eca98bfaf553349afae0bd68a905fe73b423399ed3a728aa572baabb08040ca778fc4bb24ce26d3deaf1cb6649e1a674570b0dfb98b205049b5c

  • SSDEEP

    49152:b3BxSNudSRZpWid7tOvJOu1LhCvV1iSvz6qHtBnP8x1NABnNm6z+EknpBASLKbiu:aRrt62T

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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\96d1bc7dec91a7a4e5fe653853a504e07d17e898fa437cf75e929fa909dd6bb7.exe
    "C:\Users\Admin\AppData\Local\Temp\96d1bc7dec91a7a4e5fe653853a504e07d17e898fa437cf75e929fa909dd6bb7.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2152
    • C:\Users\Admin\AppData\Local\Temp\96d1bc7dec91a7a4e5fe653853a504e07d17e898fa437cf75e929fa909dd6bb7.exe
      "C:\Users\Admin\AppData\Local\Temp\96d1bc7dec91a7a4e5fe653853a504e07d17e898fa437cf75e929fa909dd6bb7.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2152-1-0x0000000000407000-0x0000000000421000-memory.dmp

    Filesize

    104KB

  • memory/2152-2-0x0000000000400000-0x00000000005FD000-memory.dmp

    Filesize

    2.0MB

  • memory/2152-0-0x0000000000400000-0x00000000005FD000-memory.dmp

    Filesize

    2.0MB

  • memory/2152-3-0x0000000000400000-0x00000000005FD000-memory.dmp

    Filesize

    2.0MB

  • memory/2152-12-0x0000000000400000-0x00000000005FD000-memory.dmp

    Filesize

    2.0MB

  • memory/2152-10-0x0000000000400000-0x00000000005FD000-memory.dmp

    Filesize

    2.0MB

  • memory/2152-9-0x0000000000407000-0x0000000000421000-memory.dmp

    Filesize

    104KB

  • memory/3024-8-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3024-4-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-14-0x0000000000400000-0x00000000005FD000-memory.dmp

    Filesize

    2.0MB

  • memory/3024-13-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-15-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-17-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-16-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-18-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-19-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-20-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-21-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-22-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-23-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-24-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-25-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-26-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-27-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-28-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-29-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-30-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-31-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-32-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-33-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-34-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-35-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-36-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-37-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-38-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-39-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-40-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-41-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-42-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-43-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-44-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-45-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-46-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-47-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-48-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-49-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-50-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-51-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-52-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-53-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-54-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-55-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-56-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-57-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-58-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-59-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-60-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-61-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-62-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-63-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-64-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-65-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-66-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-67-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-68-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-69-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB

  • memory/3024-70-0x00000000000B0000-0x0000000000125000-memory.dmp

    Filesize

    468KB