Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-07-2024 06:40

General

  • Target

    Setup.exe

  • Size

    2.0MB

  • MD5

    371c165e3e3c1a000051b78d7b0e7e79

  • SHA1

    2a2ecbbd4840c486b3507a18307369336ec5a1aa

  • SHA256

    5ae3838d77c2102766538f783d0a4b4205e7d2cdba4e0ad2ab332dc8ab32fea9

  • SHA512

    4e6bd3f85c71a8ff0db1e92675295d5bbd0ee8cf24d4df4150a922e9c25fa1f7116263ac4e55c9a9420416fd0388db593c1fe43d22d0a8d25caa20eeb13f5080

  • SSDEEP

    24576:fsLSdP5XOFS5DbCVVtBF8SIIa0awy+qW5M8hbGY7WVaQX/VjjFD7YpmTfWD3B7jn:ELmVOFUK1JIIa0awN5d7WVaQX1T+z9D

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

fudstub

C2

213.5.130.58:443

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

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    Crashreport

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Rmc-0H4R64

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3496
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\SysWOW64\cmd.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2200
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
          PID:2640

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\22c52377

      Filesize

      1.2MB

      MD5

      71ad7412c589a92ad5a747c94ff32c0b

      SHA1

      86cb47cf5bc9f3c81add3e65069fce68a68f58e8

      SHA256

      caa8704af855b18985cdd810ee97b05ae86ac267b53f25846cd628f965c5c8fc

      SHA512

      452fda850e7e88cd1b1f227e110dee13939e1da2157be5d046c476e561e406e94b3d6ad0ac22217ca54b0c78e17de8eb8fa1073fc9465191193b877679bfae21

    • memory/2200-31-0x00000000743C0000-0x000000007453B000-memory.dmp

      Filesize

      1.5MB

    • memory/2200-29-0x00000000743C0000-0x000000007453B000-memory.dmp

      Filesize

      1.5MB

    • memory/2200-28-0x00000000743C0000-0x000000007453B000-memory.dmp

      Filesize

      1.5MB

    • memory/2200-26-0x00007FFF1CEB0000-0x00007FFF1D0A5000-memory.dmp

      Filesize

      2.0MB

    • memory/2200-24-0x00000000743C0000-0x000000007453B000-memory.dmp

      Filesize

      1.5MB

    • memory/2640-39-0x0000000000400000-0x0000000000483000-memory.dmp

      Filesize

      524KB

    • memory/2640-40-0x0000000000400000-0x0000000000483000-memory.dmp

      Filesize

      524KB

    • memory/2640-46-0x0000000000400000-0x0000000000483000-memory.dmp

      Filesize

      524KB

    • memory/2640-45-0x0000000000400000-0x0000000000483000-memory.dmp

      Filesize

      524KB

    • memory/2640-44-0x0000000000400000-0x0000000000483000-memory.dmp

      Filesize

      524KB

    • memory/2640-43-0x0000000000400000-0x0000000000483000-memory.dmp

      Filesize

      524KB

    • memory/2640-42-0x0000000000400000-0x0000000000483000-memory.dmp

      Filesize

      524KB

    • memory/2640-41-0x0000000000400000-0x0000000000483000-memory.dmp

      Filesize

      524KB

    • memory/2640-38-0x0000000000400000-0x0000000000483000-memory.dmp

      Filesize

      524KB

    • memory/2640-36-0x0000000000400000-0x0000000000483000-memory.dmp

      Filesize

      524KB

    • memory/2640-35-0x0000000000663000-0x000000000066B000-memory.dmp

      Filesize

      32KB

    • memory/2640-33-0x0000000000400000-0x0000000000483000-memory.dmp

      Filesize

      524KB

    • memory/2640-32-0x00007FFF1CEB0000-0x00007FFF1D0A5000-memory.dmp

      Filesize

      2.0MB

    • memory/3496-14-0x00000000743C0000-0x000000007453B000-memory.dmp

      Filesize

      1.5MB

    • memory/3496-12-0x00000000743D2000-0x00000000743D4000-memory.dmp

      Filesize

      8KB

    • memory/3496-13-0x00000000743C0000-0x000000007453B000-memory.dmp

      Filesize

      1.5MB

    • memory/3496-22-0x0000000050310000-0x0000000050349000-memory.dmp

      Filesize

      228KB

    • memory/3496-17-0x0000000059800000-0x000000005986E000-memory.dmp

      Filesize

      440KB

    • memory/3496-0-0x00000000743C0000-0x000000007453B000-memory.dmp

      Filesize

      1.5MB

    • memory/3496-1-0x00007FFF1CEB0000-0x00007FFF1D0A5000-memory.dmp

      Filesize

      2.0MB

    • memory/3496-18-0x0000000050000000-0x0000000050116000-memory.dmp

      Filesize

      1.1MB

    • memory/3496-19-0x0000000057000000-0x000000005703F000-memory.dmp

      Filesize

      252KB

    • memory/3496-20-0x0000000057800000-0x0000000057812000-memory.dmp

      Filesize

      72KB

    • memory/3496-21-0x0000000050120000-0x000000005030D000-memory.dmp

      Filesize

      1.9MB

    • memory/3496-23-0x0000000061E00000-0x0000000061ECA000-memory.dmp

      Filesize

      808KB

    • memory/3496-16-0x0000000000400000-0x000000000064B000-memory.dmp

      Filesize

      2.3MB