Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2024 03:52

General

  • Target

    b0724a50f077a8652bbe0972e059aadde07ea247057e239b8b28ed720a083ae8.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\b0724a50f077a8652bbe0972e059aadde07ea247057e239b8b28ed720a083ae8.exe
    "C:\Users\Admin\AppData\Local\Temp\b0724a50f077a8652bbe0972e059aadde07ea247057e239b8b28ed720a083ae8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:756
    • C:\Users\Admin\AppData\Local\Temp\b0724a50f077a8652bbe0972e059aadde07ea247057e239b8b28ed720a083ae8.exe
      "C:\Users\Admin\AppData\Local\Temp\b0724a50f077a8652bbe0972e059aadde07ea247057e239b8b28ed720a083ae8.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2596

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    3e5b54c6155c03ac13eb60a2f03d127f

    SHA1

    79488793a4288f9caa913aeef993d1044959fd1d

    SHA256

    a23a32295d4c7056af1476b1b2d65712bb1b4dc052c796702dfeec22cd5e89ae

    SHA512

    ea8e17042a9a56610ff92ad7cf3b173265dae2bd9af271be89f20b5fccefcad3cb9a3d225753241e2f1b4311131d256fd99744130f64348a79ad2295c29f5720

  • memory/756-25-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/756-1-0x00000000009E0000-0x0000000000AFA000-memory.dmp

    Filesize

    1.1MB

  • memory/756-2-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/756-3-0x0000000000840000-0x0000000000858000-memory.dmp

    Filesize

    96KB

  • memory/756-4-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

    Filesize

    4KB

  • memory/756-5-0x0000000074C50000-0x000000007533E000-memory.dmp

    Filesize

    6.9MB

  • memory/756-6-0x0000000005170000-0x0000000005232000-memory.dmp

    Filesize

    776KB

  • memory/756-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

    Filesize

    4KB

  • memory/2596-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2596-28-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2596-18-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2596-21-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2596-20-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2596-7-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2596-14-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2596-12-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2596-10-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2596-9-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2596-26-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2596-24-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2596-27-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2596-29-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2596-36-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2596-35-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2596-8-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2596-43-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2596-51-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2596-52-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2596-59-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2596-60-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB