Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2024 12:51

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:2960
    • 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:1924

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    0aee946a891e342fa9b03ab24fae04cb

    SHA1

    33dc299f61ba69f07bc107d9e446f998cbf8de72

    SHA256

    471f928bce5dfec6e57f15f25e009812532d0682aaec1f8f62d39b7ad8cc07de

    SHA512

    cab9233ebb0823590cdd8cfb4d427c40061b84972d3ca67c2cb16cecdc9238377c901f24512a88a4d91a54685ea1fe8861e184d115dff173ef1740cb873b608b

  • memory/1924-23-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1924-54-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1924-22-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1924-61-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1924-53-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1924-45-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1924-38-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1924-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1924-16-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1924-14-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1924-12-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1924-11-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1924-9-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1924-7-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1924-62-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1924-37-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1924-20-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1924-26-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1924-28-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1924-29-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1924-30-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1924-31-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1924-33-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1924-36-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2960-2-0x0000000074080000-0x000000007476E000-memory.dmp

    Filesize

    6.9MB

  • memory/2960-27-0x0000000074080000-0x000000007476E000-memory.dmp

    Filesize

    6.9MB

  • memory/2960-1-0x00000000012A0000-0x00000000013BA000-memory.dmp

    Filesize

    1.1MB

  • memory/2960-6-0x0000000005FA0000-0x0000000006062000-memory.dmp

    Filesize

    776KB

  • memory/2960-5-0x0000000074080000-0x000000007476E000-memory.dmp

    Filesize

    6.9MB

  • memory/2960-0-0x000000007408E000-0x000000007408F000-memory.dmp

    Filesize

    4KB

  • memory/2960-4-0x000000007408E000-0x000000007408F000-memory.dmp

    Filesize

    4KB

  • memory/2960-3-0x00000000005B0000-0x00000000005C8000-memory.dmp

    Filesize

    96KB