Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    19-03-2024 18:49

General

  • Target

    056cdf4a67164ded09385efec0912ccbb1c365c151d01b0a3633de1c4d410a18.exe

  • Size

    469KB

  • MD5

    29b622980bc32771d8cac127961b0ba5

  • SHA1

    895a13abd7ef4f8e0ea9cc1526350eccf1934b27

  • SHA256

    056cdf4a67164ded09385efec0912ccbb1c365c151d01b0a3633de1c4d410a18

  • SHA512

    7410b6413f4177d44ad3b55652ca57e3d622c806e423286a3ae90dd8026edb3552d304fde3c2b82ee0b8ef3dc4ba0e4a185d0d03be96d9fa5f8be7347592db95

  • SSDEEP

    12288:umnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSvn9:WiLJbpI7I2WhQqZ7v9

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

185.158.251.159:2404

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

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-TKL5S3

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\056cdf4a67164ded09385efec0912ccbb1c365c151d01b0a3633de1c4d410a18.exe
    "C:\Users\Admin\AppData\Local\Temp\056cdf4a67164ded09385efec0912ccbb1c365c151d01b0a3633de1c4d410a18.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3556
    • \??\c:\program files (x86)\internet explorer\iexplore.exe
      "c:\program files (x86)\internet explorer\iexplore.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:2456

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    575390a7fb3669802f265ab1f64b4c52

    SHA1

    afae4598a2c77471fed693ba08d94fe5b7e13ac4

    SHA256

    9655fcfbb5c6752bb60f35240aa06056eaced6b6053394f5f5d88abbef2c846f

    SHA512

    3bc5db7fda879413038c85f6f1d9f24c3277aee48a6b7de34fa411acf9d3d71a20912873dc3f252ed5e3c0940011ce09d85ab1ec2f19165fa9a5e26c87e28bd8

  • memory/2456-31-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-13-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-3-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-35-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-6-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-39-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-11-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-36-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-14-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-1-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-16-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-17-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-19-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-20-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-23-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-24-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-27-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-28-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-30-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-0-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-5-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-2-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-7-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-41-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-42-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-43-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-45-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-46-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-49-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-50-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-53-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-54-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-56-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-57-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-59-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-60-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-64-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-65-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-68-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-69-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB

  • memory/2456-70-0x0000000001330000-0x00000000013AF000-memory.dmp

    Filesize

    508KB