Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/10/2024, 16:27

General

  • Target

    a77754ef6de4a61024e443178b88e50be8b1994f87b323ed7fa5f2f197acdab4.exe

  • Size

    1017KB

  • MD5

    673d693b0c8b68503d64ed15fd863d61

  • SHA1

    4fb6b11e933354b9f7c5bda096543a5d6b56ff83

  • SHA256

    a77754ef6de4a61024e443178b88e50be8b1994f87b323ed7fa5f2f197acdab4

  • SHA512

    3996083d6b2f207e742a81a1dd11277c1bdb2631438a0ee72eeec88a57ff39fb2a7c9a100b30bc2839519c3019129d2157e89d6ade8cc326c4073daf4cc2bd27

  • SSDEEP

    24576:myN887MU2cPnNupjbW/5OheoofVmhGmfCtquly:myNVQUPNudihOhRdhHIqul

Malware Config

Extracted

Family

remcos

Botnet

IRN

C2

irnserv1.ddns.net:4424

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

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-CA8761

  • 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.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a77754ef6de4a61024e443178b88e50be8b1994f87b323ed7fa5f2f197acdab4.exe
    "C:\Users\Admin\AppData\Local\Temp\a77754ef6de4a61024e443178b88e50be8b1994f87b323ed7fa5f2f197acdab4.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1556
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mDBLQPaU.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2348
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mDBLQPaU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF462.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2852
    • C:\Users\Admin\AppData\Local\Temp\a77754ef6de4a61024e443178b88e50be8b1994f87b323ed7fa5f2f197acdab4.exe
      "C:\Users\Admin\AppData\Local\Temp\a77754ef6de4a61024e443178b88e50be8b1994f87b323ed7fa5f2f197acdab4.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:116
      • C:\ProgramData\Remcos\remcos.exe
        "C:\ProgramData\Remcos\remcos.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4256
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mDBLQPaU.exe"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3812
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mDBLQPaU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2AB5.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:1864
        • C:\ProgramData\Remcos\remcos.exe
          "C:\ProgramData\Remcos\remcos.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:1360

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Remcos\logs.dat

    Filesize

    144B

    MD5

    480ae1320ca4e1f5b4fb405d00bd17ad

    SHA1

    39f9c8994712caa802641bd703cd93ac857963da

    SHA256

    4e44c3d2de124848c900bb7b5e000aa17803d7e88da77b10451ef00d82aa9aa3

    SHA512

    961a1373c12755a5e0ee5998fa753bc5fb1285a4925e06ba1caaa73224755b21dabfd8746121f04c219c65adec9293a0a86e17648c1b88a2025cb41f4526eb4d

  • C:\ProgramData\Remcos\remcos.exe

    Filesize

    1017KB

    MD5

    673d693b0c8b68503d64ed15fd863d61

    SHA1

    4fb6b11e933354b9f7c5bda096543a5d6b56ff83

    SHA256

    a77754ef6de4a61024e443178b88e50be8b1994f87b323ed7fa5f2f197acdab4

    SHA512

    3996083d6b2f207e742a81a1dd11277c1bdb2631438a0ee72eeec88a57ff39fb2a7c9a100b30bc2839519c3019129d2157e89d6ade8cc326c4073daf4cc2bd27

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    86990901554690664ca4007a7cacb865

    SHA1

    ea9986cdd0547aa1d49d3d44fe52ee6edca9ab4a

    SHA256

    19d060b23e845588372c222513125c838dab85ea3f09ba1dbdb66ac29f167ff1

    SHA512

    52235e74948ee88bf1b34e22fe23a0d9c29b48daeac83e1918ba57a79a2a090d7b7a650074de2b6322b89c0a22111c7bf040bfad3d3dcbd23775dad70db63b94

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_04b4bhu4.nz0.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpF462.tmp

    Filesize

    1KB

    MD5

    0dc51f028d485822df795a4821e7573a

    SHA1

    40f2a177cd700097541f3bcd1b6214bf5570c207

    SHA256

    a173f97a957479843b02f298e0bcaf77a3644f8f406572c1043442e58cd1db42

    SHA512

    c317329ccd518f50c9c8fdc79df5251ff203ea07956ecdd7ca040dee99f482f59d71f16271f7ec7bcd3b1a7d7405c89273533ec7384003a1d996f21aaffa2117

  • memory/116-53-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/116-38-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/116-37-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/116-36-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/116-33-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-151-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-144-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-169-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-166-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-165-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-164-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-163-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-161-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-160-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-170-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-171-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-159-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-172-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-173-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-175-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-176-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-158-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-157-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-177-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-156-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-154-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-153-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-152-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-131-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-150-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-148-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-147-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-146-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-145-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-167-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-178-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-142-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-141-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-140-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-179-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-86-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-89-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-85-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-90-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-139-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-180-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-137-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-136-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-135-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-134-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-133-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-116-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-118-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-119-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-120-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-122-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-123-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-124-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-125-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-126-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-128-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-129-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1360-130-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1556-47-0x00000000751A0000-0x0000000075950000-memory.dmp

    Filesize

    7.7MB

  • memory/1556-0-0x00000000751AE000-0x00000000751AF000-memory.dmp

    Filesize

    4KB

  • memory/1556-1-0x0000000000CA0000-0x0000000000DA4000-memory.dmp

    Filesize

    1.0MB

  • memory/1556-2-0x0000000005CD0000-0x0000000006274000-memory.dmp

    Filesize

    5.6MB

  • memory/1556-3-0x00000000057C0000-0x0000000005852000-memory.dmp

    Filesize

    584KB

  • memory/1556-4-0x00000000751A0000-0x0000000075950000-memory.dmp

    Filesize

    7.7MB

  • memory/1556-5-0x00000000057B0000-0x00000000057BA000-memory.dmp

    Filesize

    40KB

  • memory/1556-6-0x0000000005BB0000-0x0000000005BCE000-memory.dmp

    Filesize

    120KB

  • memory/1556-7-0x00000000751AE000-0x00000000751AF000-memory.dmp

    Filesize

    4KB

  • memory/1556-8-0x00000000751A0000-0x0000000075950000-memory.dmp

    Filesize

    7.7MB

  • memory/1556-9-0x00000000097F0000-0x00000000098B0000-memory.dmp

    Filesize

    768KB

  • memory/1556-10-0x000000000B950000-0x000000000B9EC000-memory.dmp

    Filesize

    624KB

  • memory/2348-52-0x00000000066A0000-0x00000000066EC000-memory.dmp

    Filesize

    304KB

  • memory/2348-22-0x0000000005D00000-0x0000000005D66000-memory.dmp

    Filesize

    408KB

  • memory/2348-69-0x0000000007790000-0x000000000779A000-memory.dmp

    Filesize

    40KB

  • memory/2348-68-0x0000000007720000-0x000000000773A000-memory.dmp

    Filesize

    104KB

  • memory/2348-67-0x0000000007D60000-0x00000000083DA000-memory.dmp

    Filesize

    6.5MB

  • memory/2348-66-0x00000000075E0000-0x0000000007683000-memory.dmp

    Filesize

    652KB

  • memory/2348-65-0x00000000075B0000-0x00000000075CE000-memory.dmp

    Filesize

    120KB

  • memory/2348-54-0x00000000069C0000-0x00000000069F2000-memory.dmp

    Filesize

    200KB

  • memory/2348-55-0x0000000071990000-0x00000000719DC000-memory.dmp

    Filesize

    304KB

  • memory/2348-78-0x00000000751A0000-0x0000000075950000-memory.dmp

    Filesize

    7.7MB

  • memory/2348-48-0x00000000063F0000-0x000000000640E000-memory.dmp

    Filesize

    120KB

  • memory/2348-71-0x0000000007920000-0x0000000007931000-memory.dmp

    Filesize

    68KB

  • memory/2348-34-0x0000000005E70000-0x00000000061C4000-memory.dmp

    Filesize

    3.3MB

  • memory/2348-21-0x00000000053D0000-0x0000000005436000-memory.dmp

    Filesize

    408KB

  • memory/2348-23-0x00000000751A0000-0x0000000075950000-memory.dmp

    Filesize

    7.7MB

  • memory/2348-70-0x00000000079A0000-0x0000000007A36000-memory.dmp

    Filesize

    600KB

  • memory/2348-20-0x0000000005330000-0x0000000005352000-memory.dmp

    Filesize

    136KB

  • memory/2348-17-0x00000000056D0000-0x0000000005CF8000-memory.dmp

    Filesize

    6.2MB

  • memory/2348-18-0x00000000751A0000-0x0000000075950000-memory.dmp

    Filesize

    7.7MB

  • memory/2348-16-0x00000000751A0000-0x0000000075950000-memory.dmp

    Filesize

    7.7MB

  • memory/2348-15-0x0000000002AB0000-0x0000000002AE6000-memory.dmp

    Filesize

    216KB

  • memory/2348-72-0x0000000007950000-0x000000000795E000-memory.dmp

    Filesize

    56KB

  • memory/2348-73-0x0000000007960000-0x0000000007974000-memory.dmp

    Filesize

    80KB

  • memory/2348-74-0x0000000007A60000-0x0000000007A7A000-memory.dmp

    Filesize

    104KB

  • memory/2348-75-0x0000000007A40000-0x0000000007A48000-memory.dmp

    Filesize

    32KB

  • memory/3812-115-0x0000000007460000-0x0000000007474000-memory.dmp

    Filesize

    80KB

  • memory/3812-100-0x00000000058A0000-0x0000000005BF4000-memory.dmp

    Filesize

    3.3MB

  • memory/3812-102-0x0000000006030000-0x000000000607C000-memory.dmp

    Filesize

    304KB

  • memory/3812-103-0x0000000071930000-0x000000007197C000-memory.dmp

    Filesize

    304KB

  • memory/3812-113-0x0000000007160000-0x0000000007203000-memory.dmp

    Filesize

    652KB

  • memory/3812-114-0x0000000007420000-0x0000000007431000-memory.dmp

    Filesize

    68KB