Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-05-2024 00:56

General

  • Target

    64cd0c75e14d02b9f423ad2533306d10_NeikiAnalytics.exe

  • Size

    1.4MB

  • MD5

    64cd0c75e14d02b9f423ad2533306d10

  • SHA1

    744ffa6d05ce494fbe61ddcc42e60c060e165217

  • SHA256

    f80b66065daf4e2d61961bb966301e17231ab8ac033f4ece7c612d3a5b66dbbd

  • SHA512

    fc69d92e63d50c3e079f4144f3a9b03d20c0c41256ad777ed460b3bca46ba5aa67dcc7cf8969f8758a06103569b975e8a90b3b2ac8b38bef36a32b82a82af82f

  • SSDEEP

    24576:kD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjoY:kp7E+QrFUBgq21

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

213.183.58.19:4000

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    read.dat

  • keylog_flag

    false

  • keylog_folder

    CastC

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_sccafsoidz

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\64cd0c75e14d02b9f423ad2533306d10_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\64cd0c75e14d02b9f423ad2533306d10_NeikiAnalytics.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2964
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1928
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:4692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe

    Filesize

    1.4MB

    MD5

    ba5a76ae5d7cec78370a67321643968f

    SHA1

    b37f8c821742cef570ff91f5ab5d3ce94c3c8cab

    SHA256

    563f7420299fefc48303ee4775ec52e94c500cbcfa967a0b01cf10b6375e716f

    SHA512

    70b4d947968bf14ac71abdd59c9814f31cf0d93f6fa8878bb6bf4af54e75138073334075f3102080d2992d7741531c227221f9800effc81defc48b53a73fe600

  • memory/1928-30-0x0000000074830000-0x0000000074DE1000-memory.dmp

    Filesize

    5.7MB

  • memory/1928-44-0x0000000074830000-0x0000000074DE1000-memory.dmp

    Filesize

    5.7MB

  • memory/1928-32-0x0000000074830000-0x0000000074DE1000-memory.dmp

    Filesize

    5.7MB

  • memory/1928-31-0x0000000074830000-0x0000000074DE1000-memory.dmp

    Filesize

    5.7MB

  • memory/1928-29-0x0000000074830000-0x0000000074DE1000-memory.dmp

    Filesize

    5.7MB

  • memory/2964-6-0x0000000074830000-0x0000000074DE1000-memory.dmp

    Filesize

    5.7MB

  • memory/2964-28-0x0000000074830000-0x0000000074DE1000-memory.dmp

    Filesize

    5.7MB

  • memory/2964-0-0x0000000074832000-0x0000000074833000-memory.dmp

    Filesize

    4KB

  • memory/2964-5-0x0000000074830000-0x0000000074DE1000-memory.dmp

    Filesize

    5.7MB

  • memory/2964-2-0x0000000074830000-0x0000000074DE1000-memory.dmp

    Filesize

    5.7MB

  • memory/2964-1-0x0000000074830000-0x0000000074DE1000-memory.dmp

    Filesize

    5.7MB

  • memory/4692-33-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/4692-36-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/4692-40-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/4692-37-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/4692-42-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/4692-47-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB