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Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/06/2024, 01:23

General

  • Target

    4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe

  • Size

    927KB

  • MD5

    18416919737cea3ac328aa30560e3be4

  • SHA1

    c446f65f62326e534c1627af9d836e58d28d88d5

  • SHA256

    4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2

  • SHA512

    f53d846d4507541113feb3244acd9c66e1649d29f3c1331c30d8bd7cd5f478482a7313882b5d191e037d1592d695c3d85522272a6d0f816ca8f63e177ce870a8

  • SSDEEP

    24576:W0HPaXjcpYXYrq05AuW7FzuT8udqrPvVmiN0nL:BaTi/xksbdq3Ei0n

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

185.29.9.102:7711

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-4EOZOA

  • 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.

  • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 64 IoCs
  • Detects executables packed with SmartAssembly 1 IoCs
  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

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

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe
    "C:\Users\Admin\AppData\Local\Temp\4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4392
    • 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\4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:608
    • C:\Users\Admin\AppData\Local\Temp\4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe
      "C:\Users\Admin\AppData\Local\Temp\4e4855563c47f7a6c230b54ef27c2e1d46f6d895220588d5ba50652414de98e2.exe"
      2⤵
        PID:3836

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_q2ilagtr.vx5.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/608-42-0x0000000006A10000-0x0000000006A42000-memory.dmp

      Filesize

      200KB

    • memory/608-26-0x0000000074900000-0x00000000750B0000-memory.dmp

      Filesize

      7.7MB

    • memory/608-67-0x0000000007AA0000-0x0000000007ABA000-memory.dmp

      Filesize

      104KB

    • memory/608-66-0x00000000079A0000-0x00000000079B4000-memory.dmp

      Filesize

      80KB

    • memory/608-54-0x0000000006A50000-0x0000000006A6E000-memory.dmp

      Filesize

      120KB

    • memory/608-64-0x0000000007960000-0x0000000007971000-memory.dmp

      Filesize

      68KB

    • memory/608-63-0x00000000079E0000-0x0000000007A76000-memory.dmp

      Filesize

      600KB

    • memory/608-62-0x00000000077D0000-0x00000000077DA000-memory.dmp

      Filesize

      40KB

    • memory/608-60-0x0000000007760000-0x000000000777A000-memory.dmp

      Filesize

      104KB

    • memory/608-59-0x0000000007DA0000-0x000000000841A000-memory.dmp

      Filesize

      6.5MB

    • memory/608-58-0x0000000074900000-0x00000000750B0000-memory.dmp

      Filesize

      7.7MB

    • memory/608-56-0x0000000007650000-0x00000000076F3000-memory.dmp

      Filesize

      652KB

    • memory/608-68-0x0000000007A80000-0x0000000007A88000-memory.dmp

      Filesize

      32KB

    • memory/608-55-0x0000000074900000-0x00000000750B0000-memory.dmp

      Filesize

      7.7MB

    • memory/608-65-0x0000000007990000-0x000000000799E000-memory.dmp

      Filesize

      56KB

    • memory/608-43-0x0000000070D10000-0x0000000070D5C000-memory.dmp

      Filesize

      304KB

    • memory/608-53-0x0000000074900000-0x00000000750B0000-memory.dmp

      Filesize

      7.7MB

    • memory/608-41-0x00000000064B0000-0x00000000064FC000-memory.dmp

      Filesize

      304KB

    • memory/608-22-0x000000007490E000-0x000000007490F000-memory.dmp

      Filesize

      4KB

    • memory/608-40-0x0000000006410000-0x000000000642E000-memory.dmp

      Filesize

      120KB

    • memory/608-23-0x0000000002B30000-0x0000000002B66000-memory.dmp

      Filesize

      216KB

    • memory/608-25-0x00000000055F0000-0x0000000005C18000-memory.dmp

      Filesize

      6.2MB

    • memory/608-24-0x0000000074900000-0x00000000750B0000-memory.dmp

      Filesize

      7.7MB

    • memory/608-36-0x0000000005E60000-0x00000000061B4000-memory.dmp

      Filesize

      3.3MB

    • memory/608-27-0x0000000005360000-0x0000000005382000-memory.dmp

      Filesize

      136KB

    • memory/608-28-0x0000000005CD0000-0x0000000005D36000-memory.dmp

      Filesize

      408KB

    • memory/608-29-0x0000000005DF0000-0x0000000005E56000-memory.dmp

      Filesize

      408KB

    • memory/608-71-0x0000000074900000-0x00000000750B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3836-75-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-108-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-128-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-127-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-20-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-17-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-16-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-13-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-126-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-125-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-57-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-124-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-123-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-61-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-122-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-121-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-120-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-119-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-118-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-117-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-116-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-115-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-72-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-73-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-74-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-114-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-76-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-77-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-78-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-79-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-80-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-81-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-82-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-83-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-84-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-85-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-86-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-87-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-88-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-89-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-90-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-91-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-92-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-93-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-94-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-95-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-96-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-97-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-98-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-99-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-100-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-101-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-102-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-103-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-104-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-105-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-106-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-107-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-14-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-109-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-110-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-111-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-112-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3836-113-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/4392-7-0x0000000005DB0000-0x0000000005DC2000-memory.dmp

      Filesize

      72KB

    • memory/4392-10-0x0000000008680000-0x0000000008740000-memory.dmp

      Filesize

      768KB

    • memory/4392-2-0x0000000005DC0000-0x0000000006364000-memory.dmp

      Filesize

      5.6MB

    • memory/4392-3-0x00000000058B0000-0x0000000005942000-memory.dmp

      Filesize

      584KB

    • memory/4392-4-0x0000000005840000-0x000000000584A000-memory.dmp

      Filesize

      40KB

    • memory/4392-5-0x0000000074880000-0x0000000075030000-memory.dmp

      Filesize

      7.7MB

    • memory/4392-1-0x0000000000D40000-0x0000000000E2E000-memory.dmp

      Filesize

      952KB

    • memory/4392-8-0x0000000008610000-0x0000000008618000-memory.dmp

      Filesize

      32KB

    • memory/4392-0-0x000000007488E000-0x000000007488F000-memory.dmp

      Filesize

      4KB

    • memory/4392-9-0x0000000008620000-0x000000000862C000-memory.dmp

      Filesize

      48KB

    • memory/4392-6-0x0000000008520000-0x00000000085FA000-memory.dmp

      Filesize

      872KB

    • memory/4392-11-0x0000000008940000-0x00000000089DC000-memory.dmp

      Filesize

      624KB

    • memory/4392-12-0x000000007488E000-0x000000007488F000-memory.dmp

      Filesize

      4KB

    • memory/4392-21-0x0000000074880000-0x0000000075030000-memory.dmp

      Filesize

      7.7MB

    • memory/4392-19-0x0000000074880000-0x0000000075030000-memory.dmp

      Filesize

      7.7MB