Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2024 02:53

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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 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 behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2632
    • C:\Users\Admin\AppData\Local\Temp\SC_TR126089907.exe
      "C:\Users\Admin\AppData\Local\Temp\SC_TR126089907.exe"
      2⤵
        PID:2200
      • 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:2716

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\remcos\logs.dat

      Filesize

      144B

      MD5

      451f74b5498c04024ae6bb40ea3662dc

      SHA1

      ee438ebd4e2acf0c1fd9d5bbfd2fb3be5fc83da1

      SHA256

      1924226336a720ae00b6b1ce045d4fc553f21c006eb1aa0c8f71db274c781491

      SHA512

      1c8a631bf1277cc23f2dfc67edd7d3138760377a3fbbeec356834d868216177f4e740e4d38ac0f0c89dbfc6631688b7a1b11a33f4d15c8ee0de52242427620e4

    • memory/2632-21-0x0000000073F50000-0x000000007463E000-memory.dmp

      Filesize

      6.9MB

    • memory/2632-1-0x0000000000A00000-0x0000000000B1A000-memory.dmp

      Filesize

      1.1MB

    • memory/2632-2-0x0000000073F50000-0x000000007463E000-memory.dmp

      Filesize

      6.9MB

    • memory/2632-3-0x0000000000430000-0x0000000000448000-memory.dmp

      Filesize

      96KB

    • memory/2632-4-0x0000000073F5E000-0x0000000073F5F000-memory.dmp

      Filesize

      4KB

    • memory/2632-5-0x0000000073F50000-0x000000007463E000-memory.dmp

      Filesize

      6.9MB

    • memory/2632-6-0x0000000005380000-0x0000000005442000-memory.dmp

      Filesize

      776KB

    • memory/2632-0-0x0000000073F5E000-0x0000000073F5F000-memory.dmp

      Filesize

      4KB

    • memory/2716-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2716-27-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2716-10-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2716-9-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2716-20-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2716-8-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2716-7-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2716-14-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2716-22-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2716-25-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2716-26-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2716-12-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2716-28-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2716-29-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2716-31-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2716-36-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2716-37-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2716-18-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2716-44-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2716-52-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2716-53-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2716-60-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2716-61-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB