Analysis

  • max time kernel
    147s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30-09-2024 17:11

General

  • Target

    Nº 15001405300420230002200.exe

  • Size

    3.4MB

  • MD5

    72e9d735754e8d8f88719399a62d6a67

  • SHA1

    1a163575ed6f281f4ba103ba32ec4d76adddb7b0

  • SHA256

    3ee7d399157d39001e814605abc18b3fbd9890189a54222748f12b4697ff5f02

  • SHA512

    760c1736b3766e6bbbd3ba1520cfd9c251819fceb9df04f68f361ba2a8379fb9a992dab520793f249b2675aa5b610a84a5170f2de131380730155fd6b34ba9c8

  • SSDEEP

    49152:P03WgzqQAP2ik/BHsASnmMH1huh6f/fE74j+u88nHq5HWXSXrWxi8N8qlfwtGHo+:cJz4PO/pemehO0/fr+uzN8y7oymsF

Malware Config

Extracted

Family

remcos

Botnet

UBANCOL

C2

jorgeperezpu145.con-ip.com:1665

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-SPGYPO

  • 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\Nº 15001405300420230002200.exe
    "C:\Users\Admin\AppData\Local\Temp\Nº 15001405300420230002200.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2112
    • C:\Users\Admin\AppData\Local\Temp\Nº 15001405300420230002200.exe
      "C:\Users\Admin\AppData\Local\Temp\Nº 15001405300420230002200.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:2804

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    156B

    MD5

    ad17f1648af1d6de1ddbcd341a4122b5

    SHA1

    ae7c285cc7d5c782fd46730e7373c430187005c5

    SHA256

    fd96b0275e15bdc1618de2b0cb66b40646375e09c68037ea85a2b47a04ca7185

    SHA512

    5153af84e22739a16aa878685b65e788b78cfe736e4e0993a26334c927e0b5e1eb70a74a19bd7f2da2f9bb2bda4aeecbcd753b2cefac033f8f929b984bb7e9f4

  • memory/2112-14-0x0000000000400000-0x000000000076F000-memory.dmp

    Filesize

    3.4MB

  • memory/2112-0-0x0000000000400000-0x000000000076F000-memory.dmp

    Filesize

    3.4MB

  • memory/2112-2-0x0000000000400000-0x000000000076F000-memory.dmp

    Filesize

    3.4MB

  • memory/2112-4-0x0000000000400000-0x000000000076F000-memory.dmp

    Filesize

    3.4MB

  • memory/2112-6-0x0000000000400000-0x000000000076F000-memory.dmp

    Filesize

    3.4MB

  • memory/2112-12-0x0000000000400000-0x000000000076F000-memory.dmp

    Filesize

    3.4MB

  • memory/2112-1-0x000000000047F000-0x0000000000497000-memory.dmp

    Filesize

    96KB

  • memory/2112-23-0x000000000047F000-0x0000000000497000-memory.dmp

    Filesize

    96KB

  • memory/2112-5-0x0000000000400000-0x000000000076F000-memory.dmp

    Filesize

    3.4MB

  • memory/2804-20-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2804-11-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2804-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2804-7-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2804-17-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2804-22-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2804-21-0x0000000000400000-0x000000000076F000-memory.dmp

    Filesize

    3.4MB

  • memory/2804-28-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2804-29-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2804-16-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2804-34-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2804-35-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2804-41-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2804-42-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2804-47-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2804-48-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2804-53-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2804-55-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2804-60-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB

  • memory/2804-61-0x00000000001C0000-0x0000000000242000-memory.dmp

    Filesize

    520KB