Analysis

  • max time kernel
    148s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-09-2024 09:38

General

  • Target

    2024-09-14_cf0d816acec45f16397b4ebf0c32cac7_avoslocker_hijackloader_rhadamanthys.exe

  • Size

    3.8MB

  • MD5

    cf0d816acec45f16397b4ebf0c32cac7

  • SHA1

    a58750f37c6a88f89d1f5d2789811d24249480e0

  • SHA256

    ae2d51f8430d85f56521e2445d8b01e6413ddf1a24685ac5aa3ca84ddaabc425

  • SHA512

    f092cea4a71cf22e7361b1d6d2ccb5772b7f347ec8d2ce3b9d428b636d76844ab44cd28a8a393ee76b353b352888e03b1785bfcbbbcdef56a536ea8278384005

  • SSDEEP

    98304:h3x3FJ58yNV78P06ZKlCOQhrAMSVV+uKIqKZCoErQ:h31H5nUICDNuKIqKW

Malware Config

Extracted

Family

remcos

Botnet

UBANCOL

C2

juanruizpu1405.con-ip.com:1668

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-OWARH1

  • 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\2024-09-14_cf0d816acec45f16397b4ebf0c32cac7_avoslocker_hijackloader_rhadamanthys.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-14_cf0d816acec45f16397b4ebf0c32cac7_avoslocker_hijackloader_rhadamanthys.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4488
    • C:\Users\Admin\AppData\Local\Temp\2024-09-14_cf0d816acec45f16397b4ebf0c32cac7_avoslocker_hijackloader_rhadamanthys.exe
      "C:\Users\Admin\AppData\Local\Temp\2024-09-14_cf0d816acec45f16397b4ebf0c32cac7_avoslocker_hijackloader_rhadamanthys.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3044

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    e48e8aadb04d9c9f37b95632310672c9

    SHA1

    77457d3da1d32ea7a09adcd40e22c40ae868a52b

    SHA256

    738a0ca4dff1ac6300616b68b73867afcd60db8660bdea70ed483f08de36731e

    SHA512

    e8198d284a3722a1cc762f76cef9fe53682d8ffa64f7d3e87c144548c9581b90758303112da57688c38727ec2ac8f40ad5a949ef721d429b0cbafd29fdb22ff0

  • memory/3044-28-0x00000000007E0000-0x0000000000862000-memory.dmp

    Filesize

    520KB

  • memory/3044-27-0x00000000007E0000-0x0000000000862000-memory.dmp

    Filesize

    520KB

  • memory/3044-36-0x00000000007E0000-0x0000000000862000-memory.dmp

    Filesize

    520KB

  • memory/3044-35-0x00000000007E0000-0x0000000000862000-memory.dmp

    Filesize

    520KB

  • memory/3044-12-0x00000000007E0000-0x0000000000862000-memory.dmp

    Filesize

    520KB

  • memory/3044-60-0x00000000007E0000-0x0000000000862000-memory.dmp

    Filesize

    520KB

  • memory/3044-59-0x00000000007E0000-0x0000000000862000-memory.dmp

    Filesize

    520KB

  • memory/3044-22-0x00000000007E0000-0x0000000000862000-memory.dmp

    Filesize

    520KB

  • memory/3044-7-0x00000000007E0000-0x0000000000862000-memory.dmp

    Filesize

    520KB

  • memory/3044-13-0x00000000007E0000-0x0000000000862000-memory.dmp

    Filesize

    520KB

  • memory/3044-17-0x00000000007E0000-0x0000000000862000-memory.dmp

    Filesize

    520KB

  • memory/3044-14-0x00000000007E0000-0x0000000000862000-memory.dmp

    Filesize

    520KB

  • memory/3044-19-0x00000000007E0000-0x0000000000862000-memory.dmp

    Filesize

    520KB

  • memory/3044-18-0x0000000000400000-0x00000000007D7000-memory.dmp

    Filesize

    3.8MB

  • memory/3044-21-0x00000000007E0000-0x0000000000862000-memory.dmp

    Filesize

    520KB

  • memory/3044-20-0x00000000007E0000-0x0000000000862000-memory.dmp

    Filesize

    520KB

  • memory/4488-6-0x0000000000400000-0x00000000007D7000-memory.dmp

    Filesize

    3.8MB

  • memory/4488-25-0x000000000055A000-0x0000000000573000-memory.dmp

    Filesize

    100KB

  • memory/4488-4-0x0000000000400000-0x00000000007D7000-memory.dmp

    Filesize

    3.8MB

  • memory/4488-5-0x0000000000400000-0x00000000007D7000-memory.dmp

    Filesize

    3.8MB

  • memory/4488-1-0x000000000055A000-0x0000000000573000-memory.dmp

    Filesize

    100KB

  • memory/4488-11-0x0000000000400000-0x00000000007D7000-memory.dmp

    Filesize

    3.8MB

  • memory/4488-10-0x0000000000400000-0x00000000007D7000-memory.dmp

    Filesize

    3.8MB

  • memory/4488-3-0x0000000000400000-0x00000000007D7000-memory.dmp

    Filesize

    3.8MB

  • memory/4488-0-0x0000000000400000-0x00000000007D7000-memory.dmp

    Filesize

    3.8MB