Analysis

  • max time kernel
    179s
  • max time network
    185s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-10-2024 00:23

General

  • Target

    d2507dfe5d62ab901599860661f1ac51.exe

  • Size

    7.7MB

  • MD5

    d2507dfe5d62ab901599860661f1ac51

  • SHA1

    4347cb2ca611dc20ca987ba8ec7eedbecb27a73b

  • SHA256

    4b7b4c5dd8a884bdf86dd220a8a79f0a0c68535289b9d788e1592263e583c99b

  • SHA512

    0cd62add6a2cadb6fca898e939f66c92357d168ba3c316ef519749ceca5d2e1d424a58b5d21234ef5beb13277e21d601e75a85cbc1f94aba95f309300a686332

  • SSDEEP

    98304:TKp5jJ5EVOzW8VrAqZkeNcX3NU3dW2/GSUJWXKtOLXfYxeZVSNbC+vw/qiYl7mxy:TEjJ5TpZkeNctAIJmx0UE6xo

Malware Config

Extracted

Family

remcos

Botnet

XOAOAMORT

C2

carroosmfjdjs.con-ip.com:1661

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-BTGK97

  • 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.

  • Adds Run key to start application 2 TTPs 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 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d2507dfe5d62ab901599860661f1ac51.exe
    "C:\Users\Admin\AppData\Local\Temp\d2507dfe5d62ab901599860661f1ac51.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4040
    • C:\Users\Admin\AppData\Local\Temp\d2507dfe5d62ab901599860661f1ac51.exe
      "C:\Users\Admin\AppData\Local\Temp\d2507dfe5d62ab901599860661f1ac51.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2912

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    07d23195521c2cc4badaef9d9b07c950

    SHA1

    e542ff93d320f66cd591c8edfca5ac7444123e79

    SHA256

    216f97e7441088d19757289758b998f8d93c91a40f19da8b877fa4d79297d18d

    SHA512

    c620ee9f7c931f66210e6faa03db3adb6ca274f8d248ad08a96915dab006c184948e458587f44c8369783b6a7f65466036c8c2360d33df2c1b509be7646c9c5b

  • memory/2912-49-0x0000000000C50000-0x0000000000CD2000-memory.dmp

    Filesize

    520KB

  • memory/2912-38-0x0000000000C50000-0x0000000000CD2000-memory.dmp

    Filesize

    520KB

  • memory/2912-13-0x0000000000C50000-0x0000000000CD2000-memory.dmp

    Filesize

    520KB

  • memory/2912-62-0x0000000000C50000-0x0000000000CD2000-memory.dmp

    Filesize

    520KB

  • memory/2912-56-0x0000000000C50000-0x0000000000CD2000-memory.dmp

    Filesize

    520KB

  • memory/2912-55-0x0000000000C50000-0x0000000000CD2000-memory.dmp

    Filesize

    520KB

  • memory/2912-11-0x0000000000C50000-0x0000000000CD2000-memory.dmp

    Filesize

    520KB

  • memory/2912-50-0x0000000000C50000-0x0000000000CD2000-memory.dmp

    Filesize

    520KB

  • memory/2912-12-0x0000000000C50000-0x0000000000CD2000-memory.dmp

    Filesize

    520KB

  • memory/2912-17-0x0000000000C50000-0x0000000000CD2000-memory.dmp

    Filesize

    520KB

  • memory/2912-63-0x0000000000C50000-0x0000000000CD2000-memory.dmp

    Filesize

    520KB

  • memory/2912-68-0x0000000000C50000-0x0000000000CD2000-memory.dmp

    Filesize

    520KB

  • memory/2912-16-0x0000000000C50000-0x0000000000CD2000-memory.dmp

    Filesize

    520KB

  • memory/2912-7-0x0000000000C50000-0x0000000000CD2000-memory.dmp

    Filesize

    520KB

  • memory/2912-18-0x0000000000400000-0x0000000000C46000-memory.dmp

    Filesize

    8.3MB

  • memory/2912-44-0x0000000000C50000-0x0000000000CD2000-memory.dmp

    Filesize

    520KB

  • memory/2912-24-0x0000000000C50000-0x0000000000CD2000-memory.dmp

    Filesize

    520KB

  • memory/2912-26-0x0000000000C50000-0x0000000000CD2000-memory.dmp

    Filesize

    520KB

  • memory/2912-69-0x0000000000C50000-0x0000000000CD2000-memory.dmp

    Filesize

    520KB

  • memory/2912-31-0x0000000000C50000-0x0000000000CD2000-memory.dmp

    Filesize

    520KB

  • memory/2912-32-0x0000000000C50000-0x0000000000CD2000-memory.dmp

    Filesize

    520KB

  • memory/2912-37-0x0000000000C50000-0x0000000000CD2000-memory.dmp

    Filesize

    520KB

  • memory/2912-42-0x0000000000C50000-0x0000000000CD2000-memory.dmp

    Filesize

    520KB

  • memory/4040-10-0x0000000000400000-0x0000000000C46000-memory.dmp

    Filesize

    8.3MB

  • memory/4040-20-0x0000000000909000-0x0000000000922000-memory.dmp

    Filesize

    100KB

  • memory/4040-8-0x0000000000400000-0x0000000000C46000-memory.dmp

    Filesize

    8.3MB

  • memory/4040-0-0x0000000000400000-0x0000000000C46000-memory.dmp

    Filesize

    8.3MB

  • memory/4040-9-0x0000000000400000-0x0000000000C46000-memory.dmp

    Filesize

    8.3MB

  • memory/4040-6-0x0000000000400000-0x0000000000C46000-memory.dmp

    Filesize

    8.3MB

  • memory/4040-3-0x0000000000400000-0x0000000000C46000-memory.dmp

    Filesize

    8.3MB

  • memory/4040-4-0x0000000000400000-0x0000000000C46000-memory.dmp

    Filesize

    8.3MB

  • memory/4040-1-0x0000000000400000-0x0000000000C46000-memory.dmp

    Filesize

    8.3MB

  • memory/4040-2-0x0000000000909000-0x0000000000922000-memory.dmp

    Filesize

    100KB