Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2024 17:01

General

  • Target

    SC_TR126089907.exe

  • Size

    1.1MB

  • MD5

    d8f15666d25a32702106b56dfd962cd6

  • SHA1

    b680052ba6f10f87595df8e6f06065546109c9e2

  • SHA256

    b0724a50f077a8652bbe0972e059aadde07ea247057e239b8b28ed720a083ae8

  • SHA512

    0bda9df65f34d05ff4448783bd0c747631621bdea98d716f3b3fb77f6b05784efd4aa67cf55e60e966375e2590df7bb30f4651865345f0995f50fcad31458f8b

  • SSDEEP

    24576:e2xjcLCnYnIXrbmcfjyTinYxorzPMFZYXX+Wjj8GLgv:lZnYIXrbFm6YSzPwYXX+G4GL

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

yayabeloo.duckdns.org:6847

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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-VPA6N9

  • 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
  • Suspicious use of SetThreadContext 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 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SC_TR126089907.exe
    "C:\Users\Admin\AppData\Local\Temp\SC_TR126089907.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2924
    • C:\Users\Admin\AppData\Local\Temp\SC_TR126089907.exe
      "C:\Users\Admin\AppData\Local\Temp\SC_TR126089907.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2696

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    87875d2bec144f7306fdcca59a8b8bc0

    SHA1

    4754591c5f4eb61a69bbfad614bc7cbe11ea6d98

    SHA256

    c257a629360387d59c545099183dafd0fb6ee77caacfc6fe2ed136a5c50a98ca

    SHA512

    71a6ec7296a96729d4fa24d88262399ec8fc58bcf394d5b2719364402e0dc7cd8aea71bd161aa185680c1a0da0f3b6fb5deda77adc3200fbe380b8b751a4962a

  • memory/2696-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2696-35-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-12-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-14-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-60-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-51-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-8-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-7-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-18-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-52-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-24-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-21-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-20-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-43-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-59-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-36-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-10-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-9-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-26-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-27-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-28-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2696-29-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2924-2-0x0000000073C30000-0x000000007431E000-memory.dmp

    Filesize

    6.9MB

  • memory/2924-3-0x0000000000520000-0x0000000000538000-memory.dmp

    Filesize

    96KB

  • memory/2924-1-0x0000000000FE0000-0x00000000010FA000-memory.dmp

    Filesize

    1.1MB

  • memory/2924-0-0x0000000073C3E000-0x0000000073C3F000-memory.dmp

    Filesize

    4KB

  • memory/2924-25-0x0000000073C30000-0x000000007431E000-memory.dmp

    Filesize

    6.9MB

  • memory/2924-6-0x0000000004F50000-0x0000000005012000-memory.dmp

    Filesize

    776KB

  • memory/2924-5-0x0000000073C30000-0x000000007431E000-memory.dmp

    Filesize

    6.9MB

  • memory/2924-4-0x0000000073C3E000-0x0000000073C3F000-memory.dmp

    Filesize

    4KB