Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-07-2024 11:26

General

  • Target

    Quotation.exe

  • Size

    2.2MB

  • MD5

    3dc93db22f80681d7d49143038d8ff8a

  • SHA1

    3726fd2ed48dd31b57e11c1d670e1544626eeee0

  • SHA256

    38e861d71b9182f040db8d503b709b57f1b73ba9cfa64abffbf57fa49457b6d0

  • SHA512

    79d911bae66ef159ea7f533b26279d003e6b71359626e7fc39c4442aea9c2419760e198529abe1d8f0b4628978b631cc09593baa6436425728ce26479c60ea7e

  • SSDEEP

    49152:4B1BRf3rOSzOzrFNj8e1KbWF8K7Vk3SZTH4OWOEkw/R8tDYWg1Zpb67aU2kmbguq:IaRrFCIeE7aUXwMP

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

ZIP

C2

vegetachcnc.com:2556

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

    chrome-76G0MC

  • 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
  • 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 use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Quotation.exe
    "C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3944
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3664

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3664-0-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3664-1-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3664-2-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3664-4-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3664-5-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3664-6-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3664-7-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3664-8-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3664-9-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3664-12-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3664-13-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3664-14-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3664-15-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3664-16-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3664-17-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3664-19-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3664-18-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3664-20-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3664-21-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB