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Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    02/08/2024, 01:41

General

  • Target

    4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de.exe

  • Size

    2.4MB

  • MD5

    ccd26c2d4eabc84f9d8ad478048f322e

  • SHA1

    188367cac00cbf23edc462b97af53e7bdd1b9ecc

  • SHA256

    4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de

  • SHA512

    51c49a7907f41d88a3b4adc2b3671dd5afcf7008e0de7a97b86f33554d07f617b4567ec0973ab48680465ca25a264d9d93d4ce5b62f5edb0d5092f76779580c5

  • SSDEEP

    49152:8ucZdqJC0PBOYONY9av3sGZk4iuAitJdtsGeqX8nfYQNfHawhLinKp7cZWV:8lZi4hNYL2jUqX4QQNywhL9sw

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

horsesnje.net:3345

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-3JM8X2

  • 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 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 AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de.exe
    "C:\Users\Admin\AppData\Local\Temp\4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2052
    • C:\Users\Admin\AppData\Local\Temp\4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de.exe
      "C:\Users\Admin\AppData\Local\Temp\4a924a12c3ba601eaa1f2e3f8741fa685f4c291794b8057b7ed2cbac36d615de.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2756

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    d4e86a0e10a33015829e7ceade0b6534

    SHA1

    01e1bd97e08881e6d4ccef8dc93d7f1a0cd427d4

    SHA256

    fcb5530e680788777219467411f3dc5ba306cf18a3989ca72f7e4eabd8c907e0

    SHA512

    63a92cd67e8037d2d12b702fa1892494eedbad01cb902216b4c7d959b6068c8601c932f810d7050979c9183db61a2d11f4a248c49c2b0d802d8210dfe3c7f0ba

  • memory/2052-46-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-2-0x0000000004CB0000-0x0000000004F0E000-memory.dmp

    Filesize

    2.4MB

  • memory/2052-3-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-10-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-12-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-8-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-16-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-20-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-26-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-36-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-42-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-50-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-56-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-54-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-52-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-58-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-48-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-60-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-62-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-66-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-44-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-64-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-0-0x0000000074E3E000-0x0000000074E3F000-memory.dmp

    Filesize

    4KB

  • memory/2052-40-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-38-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-34-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-32-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-30-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-28-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-24-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-22-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-18-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-14-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-6-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-4-0x0000000004CB0000-0x0000000004F08000-memory.dmp

    Filesize

    2.3MB

  • memory/2052-4890-0x0000000002330000-0x000000000237C000-memory.dmp

    Filesize

    304KB

  • memory/2052-4889-0x0000000004AA0000-0x0000000004B3A000-memory.dmp

    Filesize

    616KB

  • memory/2052-4892-0x0000000074E30000-0x000000007551E000-memory.dmp

    Filesize

    6.9MB

  • memory/2052-4891-0x0000000074E30000-0x000000007551E000-memory.dmp

    Filesize

    6.9MB

  • memory/2052-4893-0x0000000004500000-0x0000000004554000-memory.dmp

    Filesize

    336KB

  • memory/2052-1-0x0000000000B40000-0x0000000000DA2000-memory.dmp

    Filesize

    2.4MB

  • memory/2052-4915-0x0000000074E30000-0x000000007551E000-memory.dmp

    Filesize

    6.9MB

  • memory/2756-4922-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2756-4909-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB