Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    07-02-2025 05:37

General

  • Target

    1738906328f753d1f5c5b88cf00ec9b28c6b54d74c063cdcebe88f8435482d6bac975e4444799.dat-decoded.exe

  • Size

    233KB

  • MD5

    c3b96e6ec46567ea82cd8f71c388edef

  • SHA1

    0163332ab3a2017b94cab909285e3e0d7286007b

  • SHA256

    b5369227471d02b14e37ef636ff1a354582554f99fc45c35c58b4539030ba344

  • SHA512

    020812ce1892e1f64a855036877b1441afb4a278cc3baa77db44dcfaa9f66dcbeec5732c7695000b53cef7386436ecde21673502b5b23ad942c632d32b5fc7ea

  • SSDEEP

    3072:DJ7heiNpO/ONT/b5d2+hiBIwkDobE2NzM1+XGTIvSI7XGTm/UghciO7fog11III:DJZb7wytBs2TIvFKi8gh1Afo

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

uptimebot.kozow.com:1433

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

    true

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    os

  • mouse_option

    false

  • mutex

    Rmc-RYFDJO

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Remcos family
  • UPX packed file 16 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1738906328f753d1f5c5b88cf00ec9b28c6b54d74c063cdcebe88f8435482d6bac975e4444799.dat-decoded.exe
    "C:\Users\Admin\AppData\Local\Temp\1738906328f753d1f5c5b88cf00ec9b28c6b54d74c063cdcebe88f8435482d6bac975e4444799.dat-decoded.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    PID:2816

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\os\logs.dat

    Filesize

    184B

    MD5

    643a1750aba2279762910ecfbda646a4

    SHA1

    9039d3a89270f7856bf9e0cbe97a6d0e4e6373ae

    SHA256

    9aa5a06948a92e8ce30ebe70cc22e3e91bf916d4cccc0753fe0a3774aba0ee1b

    SHA512

    648a43bcc9d0daa20ace2fd23796fb58a03a4f1902f638c9dcd1435b4ef8a3a3d3d0f68cdb4bf35ef406e60eb2833740504e866ee5cb195bfc1fcc7a89a61b6c

  • memory/2816-21-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2816-18-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2816-5-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2816-9-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2816-23-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2816-15-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2816-6-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2816-0-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2816-12-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2816-27-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2816-30-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2816-33-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2816-36-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2816-39-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2816-42-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/2816-44-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB