Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    07-01-2025 04:53

General

  • Target

    e591dafff61d69eb712a6c433d3e48bf1026a3722f8cfb93aac807abe9a37cfd.exe

  • Size

    1.0MB

  • MD5

    fdcce3bf2b6c01b0baf5bd1836b92d2d

  • SHA1

    bd30a5c003c29c9022bac29e87d7b6a1d4a4ff84

  • SHA256

    e591dafff61d69eb712a6c433d3e48bf1026a3722f8cfb93aac807abe9a37cfd

  • SHA512

    e781ad5f8d5473dacffbaba8654054436b7d638c937670e00248694264f6cf8a8a3acc46928e0c7983b2255438b77d9286ec3ae67157c0ea45a66d3dceae6efe

  • SSDEEP

    24576:zzGRgl0jiGzgPmsQZYa8Mq2EEf1WtTz21izs8RMx4T:zrOjizmsQZYf2zWtTz2us8m

Malware Config

Extracted

Family

remcos

Botnet

RemcoHost

C2

31.13.224.237:2404

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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-VETI36

  • 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.

  • Remcos family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e591dafff61d69eb712a6c433d3e48bf1026a3722f8cfb93aac807abe9a37cfd.exe
    "C:\Users\Admin\AppData\Local\Temp\e591dafff61d69eb712a6c433d3e48bf1026a3722f8cfb93aac807abe9a37cfd.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1176
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\e591dafff61d69eb712a6c433d3e48bf1026a3722f8cfb93aac807abe9a37cfd.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2848
    • C:\Users\Admin\AppData\Local\Temp\e591dafff61d69eb712a6c433d3e48bf1026a3722f8cfb93aac807abe9a37cfd.exe
      "C:\Users\Admin\AppData\Local\Temp\e591dafff61d69eb712a6c433d3e48bf1026a3722f8cfb93aac807abe9a37cfd.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2948

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1176-0-0x00000000749AE000-0x00000000749AF000-memory.dmp

    Filesize

    4KB

  • memory/1176-1-0x0000000000830000-0x000000000093A000-memory.dmp

    Filesize

    1.0MB

  • memory/1176-2-0x00000000749A0000-0x000000007508E000-memory.dmp

    Filesize

    6.9MB

  • memory/1176-3-0x00000000006D0000-0x00000000006EC000-memory.dmp

    Filesize

    112KB

  • memory/1176-4-0x00000000749A0000-0x000000007508E000-memory.dmp

    Filesize

    6.9MB

  • memory/1176-5-0x00000000749AE000-0x00000000749AF000-memory.dmp

    Filesize

    4KB

  • memory/1176-6-0x0000000005C80000-0x0000000005D44000-memory.dmp

    Filesize

    784KB

  • memory/1176-23-0x00000000749A0000-0x000000007508E000-memory.dmp

    Filesize

    6.9MB

  • memory/2948-9-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2948-24-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2948-22-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2948-19-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2948-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2948-14-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2948-13-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2948-12-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2948-17-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2948-7-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2948-11-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2948-20-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2948-25-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2948-26-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2948-30-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2948-31-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2948-32-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2948-33-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2948-34-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2948-35-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2948-36-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2948-37-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2948-38-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2948-39-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB