Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11-09-2024 17:50

General

  • Target

    ARCHIVO TRANSACCIONAL No 87654756347657898997654347658900.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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ARCHIVO TRANSACCIONAL No 87654756347657898997654347658900.exe
    "C:\Users\Admin\AppData\Local\Temp\ARCHIVO TRANSACCIONAL No 87654756347657898997654347658900.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2444
    • C:\Users\Admin\AppData\Local\Temp\ARCHIVO TRANSACCIONAL No 87654756347657898997654347658900.exe
      "C:\Users\Admin\AppData\Local\Temp\ARCHIVO TRANSACCIONAL No 87654756347657898997654347658900.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:2904

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    230B

    MD5

    ce91f31f029d335e116c0ff9f2dbe8dd

    SHA1

    f4c715d103cfd720d928e67429b97c1b4252012b

    SHA256

    72bdf5382f5e14dfa33b74013428a5317c00f76a5eb14b7b8122a7dd8b5af218

    SHA512

    60e9c5f3df618b8f9605f4e365194d7d995a4040056bbb69d129b2431371f1ad68f5b406002689c6921cf93a63827f9b5ae268c36442579aa6365fb6b306d823

  • memory/2444-4-0x0000000000400000-0x00000000007D7000-memory.dmp

    Filesize

    3.8MB

  • memory/2444-0-0x0000000000400000-0x00000000007D7000-memory.dmp

    Filesize

    3.8MB

  • memory/2444-2-0x0000000000400000-0x00000000007D7000-memory.dmp

    Filesize

    3.8MB

  • memory/2444-6-0x0000000000400000-0x00000000007D7000-memory.dmp

    Filesize

    3.8MB

  • memory/2444-7-0x0000000000400000-0x00000000007D7000-memory.dmp

    Filesize

    3.8MB

  • memory/2444-14-0x0000000000400000-0x00000000007D7000-memory.dmp

    Filesize

    3.8MB

  • memory/2444-13-0x0000000000400000-0x00000000007D7000-memory.dmp

    Filesize

    3.8MB

  • memory/2444-23-0x000000000055A000-0x0000000000573000-memory.dmp

    Filesize

    100KB

  • memory/2444-1-0x000000000055A000-0x0000000000573000-memory.dmp

    Filesize

    100KB

  • memory/2444-5-0x0000000000400000-0x00000000007D7000-memory.dmp

    Filesize

    3.8MB

  • memory/2904-20-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2904-27-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2904-17-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2904-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2904-21-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2904-22-0x0000000000400000-0x00000000007D7000-memory.dmp

    Filesize

    3.8MB

  • memory/2904-12-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2904-25-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2904-26-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2904-16-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2904-30-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2904-8-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2904-34-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2904-35-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2904-42-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2904-50-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2904-51-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2904-58-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB