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Analysis

  • max time kernel
    149s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    04/11/2022, 14:48

General

  • Target

    DFFHDFHD.exe

  • Size

    600KB

  • MD5

    feba5bc555dee49a63f94ebbf31e9b32

  • SHA1

    a624d1cdbdb1cd68c63af398b22ed70f91552ce4

  • SHA256

    5605e9734bff4fcc29f092dd2e4f7c5c95bcdc342d5362c2ac36507e238ba5da

  • SHA512

    114e4dc27bf4ad84bc761522b05383b12caa5b61c16337d92ea7382dfb0fb3d5fb25ce4d24fa9d65ebea763288f4c50af48ba8b0df9a64b3c5fcfbc211a0c67e

  • SSDEEP

    12288:dpohpprHlNEVdjRTR5wlD1IYeo7lzUNb4fzACi/x8T:dpc7D6dj5szIT8OEAN5m

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

awa

C2

gdyhjjdhbvxgsfe.gotdns.ch:2718

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-J6C5A7

  • 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.

  • Drops startup file 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DFFHDFHD.exe
    "C:\Users\Admin\AppData\Local\Temp\DFFHDFHD.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1204
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell" Copy-Item 'C:\Users\Admin\AppData\Local\Temp\DFFHDFHD.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SystFBFDSHFDDFem.exe'
      2⤵
      • Drops startup file
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1644
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:528

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/528-65-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/528-64-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/528-79-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/528-67-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/528-59-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/528-60-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/528-62-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/528-66-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/528-77-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/528-75-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/528-69-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/528-71-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/1204-58-0x0000000000580000-0x000000000059C000-memory.dmp

    Filesize

    112KB

  • memory/1204-54-0x0000000000B80000-0x0000000000C1A000-memory.dmp

    Filesize

    616KB

  • memory/1204-55-0x0000000074E41000-0x0000000074E43000-memory.dmp

    Filesize

    8KB

  • memory/1644-76-0x000000006F960000-0x000000006FF0B000-memory.dmp

    Filesize

    5.7MB

  • memory/1644-78-0x000000006F960000-0x000000006FF0B000-memory.dmp

    Filesize

    5.7MB