Analysis

  • max time kernel
    177s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2024 14:23

General

  • Target

    8a046fd3c412b7925aafaeb1161902d4.exe

  • Size

    2.5MB

  • MD5

    8a046fd3c412b7925aafaeb1161902d4

  • SHA1

    d5e57e2c284e1c939d3ad9b5d2b4098fd45f8bf9

  • SHA256

    a5a396bad1ea1b656780b72200bb7ec8fec12cb0694be2b8943ac40e138cf09a

  • SHA512

    07cbd0752eade80dc78c4eab7a82e34db583925d6afc45fe2eb9a1b5e068f7c1205901c6cff669134104b17e62cf9886dcce3240310b7d56096f9f3778d1f887

  • SSDEEP

    49152:sSExfUhtqTg8RjShl0QA+Sg+cYXNYPMI3+J639m/E:sSExchb0cYXaEIZ

Malware Config

Extracted

Family

remcos

Botnet

XIOAMORT

C2

vcvfdjvodsuhvf.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-ALVZO2

  • 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\8a046fd3c412b7925aafaeb1161902d4.exe
    "C:\Users\Admin\AppData\Local\Temp\8a046fd3c412b7925aafaeb1161902d4.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2456
    • C:\Users\Admin\AppData\Local\Temp\8a046fd3c412b7925aafaeb1161902d4.exe
      "C:\Users\Admin\AppData\Local\Temp\8a046fd3c412b7925aafaeb1161902d4.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:5092

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    67458aff665c07576dabe309a7e77fa9

    SHA1

    2c8fe4f23e0b0fb53af10043a50a50fa04937bf6

    SHA256

    b9f240d559469965c1034f5188e514f6f43a2a0049162b25439bab84dcccd1b0

    SHA512

    c8e8911b5665a9235e35a7634a9617a33c08cf7ba4a56baa2fc48eb8207d0ad60686a169d1574c6c07002cfd80924dab894ad6d7d6a30a6e58626d1882339d70

  • memory/2456-4-0x0000000000400000-0x00000000006A5000-memory.dmp

    Filesize

    2.6MB

  • memory/2456-6-0x0000000000400000-0x00000000006A5000-memory.dmp

    Filesize

    2.6MB

  • memory/2456-5-0x0000000000400000-0x00000000006A5000-memory.dmp

    Filesize

    2.6MB

  • memory/2456-9-0x0000000000400000-0x00000000006A5000-memory.dmp

    Filesize

    2.6MB

  • memory/2456-7-0x0000000000400000-0x00000000006A5000-memory.dmp

    Filesize

    2.6MB

  • memory/2456-0-0x0000000000400000-0x00000000006A5000-memory.dmp

    Filesize

    2.6MB

  • memory/2456-2-0x0000000000481000-0x000000000049A000-memory.dmp

    Filesize

    100KB

  • memory/2456-1-0x0000000000400000-0x00000000006A5000-memory.dmp

    Filesize

    2.6MB

  • memory/2456-22-0x0000000000481000-0x000000000049A000-memory.dmp

    Filesize

    100KB

  • memory/2456-12-0x0000000000400000-0x00000000006A5000-memory.dmp

    Filesize

    2.6MB

  • memory/2456-11-0x0000000000400000-0x00000000006A5000-memory.dmp

    Filesize

    2.6MB

  • memory/5092-49-0x00000000006B0000-0x0000000000732000-memory.dmp

    Filesize

    520KB

  • memory/5092-18-0x00000000006B0000-0x0000000000732000-memory.dmp

    Filesize

    520KB

  • memory/5092-8-0x00000000006B0000-0x0000000000732000-memory.dmp

    Filesize

    520KB

  • memory/5092-24-0x00000000006B0000-0x0000000000732000-memory.dmp

    Filesize

    520KB

  • memory/5092-20-0x00000000006B0000-0x0000000000732000-memory.dmp

    Filesize

    520KB

  • memory/5092-15-0x00000000006B0000-0x0000000000732000-memory.dmp

    Filesize

    520KB

  • memory/5092-23-0x00000000006B0000-0x0000000000732000-memory.dmp

    Filesize

    520KB

  • memory/5092-19-0x0000000000400000-0x00000000006A5000-memory.dmp

    Filesize

    2.6MB

  • memory/5092-25-0x00000000006B0000-0x0000000000732000-memory.dmp

    Filesize

    520KB

  • memory/5092-66-0x00000000006B0000-0x0000000000732000-memory.dmp

    Filesize

    520KB

  • memory/5092-33-0x00000000006B0000-0x0000000000732000-memory.dmp

    Filesize

    520KB

  • memory/5092-34-0x00000000006B0000-0x0000000000732000-memory.dmp

    Filesize

    520KB

  • memory/5092-41-0x00000000006B0000-0x0000000000732000-memory.dmp

    Filesize

    520KB

  • memory/5092-50-0x00000000006B0000-0x0000000000732000-memory.dmp

    Filesize

    520KB

  • memory/5092-14-0x00000000006B0000-0x0000000000732000-memory.dmp

    Filesize

    520KB

  • memory/5092-65-0x00000000006B0000-0x0000000000732000-memory.dmp

    Filesize

    520KB

  • memory/5092-13-0x00000000006B0000-0x0000000000732000-memory.dmp

    Filesize

    520KB