Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    05-06-2023 11:38

General

  • Target

    3f07585c2ab00f3f8cb68b6c3a461c0b267c52531a5bca15d59a6cad1cbbc6f7.exe

  • Size

    1.1MB

  • MD5

    447052c646bb789bf73b6bf1d7a18717

  • SHA1

    179633c99b25f73ffc705d9a75c92b1dd7d886a6

  • SHA256

    3f07585c2ab00f3f8cb68b6c3a461c0b267c52531a5bca15d59a6cad1cbbc6f7

  • SHA512

    8fa3cb95a59872f8b232200e64f20a3db992570213e94e17eb5f4e2f3689d121c7fc562f55ed5948eacce200387c0b486df4de9016914948a94dcce02ad93e99

  • SSDEEP

    24576:j1U9BqmycgiH75Bi/vAPwORMFh3TUN7ihBheF:ju9Bqmycr7PYDQVSIF

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

64.112.85.218:4888

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

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-95RP4I

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f07585c2ab00f3f8cb68b6c3a461c0b267c52531a5bca15d59a6cad1cbbc6f7.exe
    "C:\Users\Admin\AppData\Local\Temp\3f07585c2ab00f3f8cb68b6c3a461c0b267c52531a5bca15d59a6cad1cbbc6f7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1040
    • C:\Users\Admin\AppData\Local\Temp\3f07585c2ab00f3f8cb68b6c3a461c0b267c52531a5bca15d59a6cad1cbbc6f7.exe
      "C:\Users\Admin\AppData\Local\Temp\3f07585c2ab00f3f8cb68b6c3a461c0b267c52531a5bca15d59a6cad1cbbc6f7.exe"
      2⤵
        PID:1864

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1040-54-0x0000000000210000-0x000000000032E000-memory.dmp
      Filesize

      1.1MB

    • memory/1040-55-0x0000000004F20000-0x0000000004F60000-memory.dmp
      Filesize

      256KB

    • memory/1040-56-0x0000000000360000-0x0000000000374000-memory.dmp
      Filesize

      80KB

    • memory/1040-57-0x0000000000370000-0x000000000037C000-memory.dmp
      Filesize

      48KB

    • memory/1040-58-0x00000000057D0000-0x0000000005886000-memory.dmp
      Filesize

      728KB

    • memory/1040-59-0x0000000005880000-0x0000000005902000-memory.dmp
      Filesize

      520KB

    • memory/1864-60-0x0000000000400000-0x0000000000481000-memory.dmp
      Filesize

      516KB

    • memory/1864-61-0x0000000000400000-0x0000000000481000-memory.dmp
      Filesize

      516KB

    • memory/1864-64-0x0000000000400000-0x0000000000481000-memory.dmp
      Filesize

      516KB

    • memory/1864-66-0x0000000000400000-0x0000000000481000-memory.dmp
      Filesize

      516KB

    • memory/1864-65-0x0000000000400000-0x0000000000481000-memory.dmp
      Filesize

      516KB

    • memory/1864-63-0x0000000000400000-0x0000000000481000-memory.dmp
      Filesize

      516KB

    • memory/1864-62-0x0000000000400000-0x0000000000481000-memory.dmp
      Filesize

      516KB

    • memory/1864-67-0x0000000000400000-0x0000000000481000-memory.dmp
      Filesize

      516KB

    • memory/1864-68-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB

    • memory/1864-69-0x0000000000400000-0x0000000000481000-memory.dmp
      Filesize

      516KB

    • memory/1864-71-0x0000000000400000-0x0000000000481000-memory.dmp
      Filesize

      516KB

    • memory/1864-72-0x0000000000400000-0x0000000000481000-memory.dmp
      Filesize

      516KB

    • memory/1864-73-0x0000000000400000-0x0000000000481000-memory.dmp
      Filesize

      516KB

    • memory/1864-74-0x0000000000400000-0x0000000000481000-memory.dmp
      Filesize

      516KB

    • memory/1864-75-0x0000000000400000-0x0000000000481000-memory.dmp
      Filesize

      516KB

    • memory/1864-76-0x0000000000400000-0x0000000000481000-memory.dmp
      Filesize

      516KB

    • memory/1864-77-0x0000000000400000-0x0000000000481000-memory.dmp
      Filesize

      516KB

    • memory/1864-79-0x0000000000400000-0x0000000000481000-memory.dmp
      Filesize

      516KB

    • memory/1864-80-0x0000000000400000-0x0000000000481000-memory.dmp
      Filesize

      516KB

    • memory/1864-81-0x0000000000400000-0x0000000000481000-memory.dmp
      Filesize

      516KB

    • memory/1864-82-0x0000000000400000-0x0000000000481000-memory.dmp
      Filesize

      516KB

    • memory/1864-83-0x0000000000400000-0x0000000000481000-memory.dmp
      Filesize

      516KB

    • memory/1864-84-0x0000000000400000-0x0000000000481000-memory.dmp
      Filesize

      516KB

    • memory/1864-85-0x0000000000400000-0x0000000000481000-memory.dmp
      Filesize

      516KB

    • memory/1864-86-0x0000000000400000-0x0000000000481000-memory.dmp
      Filesize

      516KB

    • memory/1864-87-0x0000000000400000-0x0000000000481000-memory.dmp
      Filesize

      516KB

    • memory/1864-88-0x0000000000400000-0x0000000000481000-memory.dmp
      Filesize

      516KB