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
    18-12-2024 08:02

General

  • Target

    Arrival Notice.exe

  • Size

    1.3MB

  • MD5

    c3f4606a2dee3f372af2108340951322

  • SHA1

    dad640bb0afeb3f348ef692fe271e7e0ca1eab45

  • SHA256

    7135dd0f5ab3268a874f61397f34be3d83a7e7b4620be22df6ce6fb1c2fffd7b

  • SHA512

    6a3d74cbf3697835a2280fe58f815fe7de6d5f23f39290c23a98b63bd8305a602af166598413a1ec2af68a6e30bc8b157f1d7a8fcb9489f1138a95a8c66ee5ba

  • SSDEEP

    24576:4qDEvCTbMWu7rQYlBQcBiT6rprG8aQmBghvjtOSI7JEGr/m:4TvC/MTQYxsWR7aQIgfOn

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

154.216.17.190:2404

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-3W6OXK

  • 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 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Arrival Notice.exe
    "C:\Users\Admin\AppData\Local\Temp\Arrival Notice.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2656
    • C:\Windows\SysWOW64\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\Arrival Notice.exe"
      2⤵
        PID:2784

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2656-6-0x0000000000A80000-0x0000000000E80000-memory.dmp

      Filesize

      4.0MB

    • memory/2784-9-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-8-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-12-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-11-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-10-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-13-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-14-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-15-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-16-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-17-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-18-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-19-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-20-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-21-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-22-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-23-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-24-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-25-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-26-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-27-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-28-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-29-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-30-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-31-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-32-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-33-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-34-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-35-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-36-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-37-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-38-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-39-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-40-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-41-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-42-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-43-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-44-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-45-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-46-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-47-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-48-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-49-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-50-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-51-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-52-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-53-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-54-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-55-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-56-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-57-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-58-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-59-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-60-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-61-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-62-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-63-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-64-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-65-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-66-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-67-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-68-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-69-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-70-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-71-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2784-72-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB