Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2024 03:17

General

  • Target

    cbcd738e4acad1d80148a67af4dca082e19f2d411f14fd0aa41d1c9c98fe5048.exe

  • Size

    896KB

  • MD5

    b464444a180c10a26843bc549cd87601

  • SHA1

    545b633847b6148c0016f58fc2d9a949778b0433

  • SHA256

    cbcd738e4acad1d80148a67af4dca082e19f2d411f14fd0aa41d1c9c98fe5048

  • SHA512

    b2f849290ce0948f3f43336818c9448b6538ef14dbeae122943d91a159acb8cf81976bb84f9c7f313c64943cdc7b02f9d3b804866c5befdc0cf260e01595a1f0

  • SSDEEP

    24576:mn9Cgx+s7vOBnRtyy3/DaIiZD7kFOoLGV0EFemOoZ0IZ:UwgvezycbtI4OH0EFePo2IZ

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

eadzagba1.duckdns.org:4877

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-8XMYGH

  • 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 4 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 10 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 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cbcd738e4acad1d80148a67af4dca082e19f2d411f14fd0aa41d1c9c98fe5048.exe
    "C:\Users\Admin\AppData\Local\Temp\cbcd738e4acad1d80148a67af4dca082e19f2d411f14fd0aa41d1c9c98fe5048.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4928
    • 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\cbcd738e4acad1d80148a67af4dca082e19f2d411f14fd0aa41d1c9c98fe5048.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4180
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rJxVpYQDxuAdz.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3332
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rJxVpYQDxuAdz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4F73.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:888
    • C:\Users\Admin\AppData\Local\Temp\cbcd738e4acad1d80148a67af4dca082e19f2d411f14fd0aa41d1c9c98fe5048.exe
      "C:\Users\Admin\AppData\Local\Temp\cbcd738e4acad1d80148a67af4dca082e19f2d411f14fd0aa41d1c9c98fe5048.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3204
      • 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 behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3360
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\ProgramData\Remcos\remcos.exe"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4292
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rJxVpYQDxuAdz.exe"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2012
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rJxVpYQDxuAdz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1EA.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2736
        • 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
          PID:4184

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Remcos\remcos.exe

    Filesize

    896KB

    MD5

    b464444a180c10a26843bc549cd87601

    SHA1

    545b633847b6148c0016f58fc2d9a949778b0433

    SHA256

    cbcd738e4acad1d80148a67af4dca082e19f2d411f14fd0aa41d1c9c98fe5048

    SHA512

    b2f849290ce0948f3f43336818c9448b6538ef14dbeae122943d91a159acb8cf81976bb84f9c7f313c64943cdc7b02f9d3b804866c5befdc0cf260e01595a1f0

  • 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

    bf39bb832071b93def9dc3f301ae9fa7

    SHA1

    e5ba37716b074c5925e8fadbefcb7f9960874926

    SHA256

    3c7fd82fbe9d8bd18130ce77ae24e71b1610b026d041c04b205c9bd6d1dcc3dd

    SHA512

    b288b326d622018f5fdcc07325ff480c3e8047e12e782850651ea1245a9df6abe24a5fd80983c97ba4c69991d489dffa290ee5acd149651061bdf385ead1918e

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

    Filesize

    18KB

    MD5

    80e9080d2ff2b18f085c0310872efb12

    SHA1

    8b2e42163f885a6c00f619c58ee546a9a5230a6d

    SHA256

    e1a7fef8c9db774da79ee8eb6ce5c38c4d884598207b68aa82cb5b38ba134a71

    SHA512

    6820544b935a8063fdc9ca6703b017c58dbeb37e7e979295ff87f2bb56ce5a22e668695635b327fcd2ac1a2a802c42f5da37f4617138aa9b236b2efd8bb5463e

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cjacjc2q.plz.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp4F73.tmp

    Filesize

    1KB

    MD5

    282c1ce799b373658a75d7c65813404e

    SHA1

    835684af2f93b1fb2f3ea940592dc850ecb25911

    SHA256

    f3bf86adf31563168ac04414ac024fad190e2d8b2d6ffa979c97545258f8b204

    SHA512

    fd41bbed1e94467e1d5f6c24bc2b962ef47451766764586688976dd90cc000390cdd87bc8a0c7ef8ea9d7f500ad959b8db61f42e5794997b22fb3968bfc23014

  • memory/2012-152-0x0000000007190000-0x00000000071A1000-memory.dmp

    Filesize

    68KB

  • memory/2012-141-0x0000000073130000-0x000000007317C000-memory.dmp

    Filesize

    304KB

  • memory/3204-46-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3204-45-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/3332-99-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB

  • memory/3332-92-0x0000000007B80000-0x0000000007B9A000-memory.dmp

    Filesize

    104KB

  • memory/3332-21-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB

  • memory/3332-73-0x0000000074EF0000-0x0000000074F3C000-memory.dmp

    Filesize

    304KB

  • memory/3332-24-0x0000000005C60000-0x0000000005CC6000-memory.dmp

    Filesize

    408KB

  • memory/3332-25-0x0000000005DD0000-0x0000000005E36000-memory.dmp

    Filesize

    408KB

  • memory/3332-23-0x0000000005560000-0x0000000005582000-memory.dmp

    Filesize

    136KB

  • memory/3332-61-0x00000000065B0000-0x00000000065FC000-memory.dmp

    Filesize

    304KB

  • memory/3332-20-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB

  • memory/3332-19-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB

  • memory/3332-60-0x0000000006520000-0x000000000653E000-memory.dmp

    Filesize

    120KB

  • memory/3332-90-0x0000000007A70000-0x0000000007A7E000-memory.dmp

    Filesize

    56KB

  • memory/3332-91-0x0000000007A80000-0x0000000007A94000-memory.dmp

    Filesize

    80KB

  • memory/3332-93-0x0000000007B60000-0x0000000007B68000-memory.dmp

    Filesize

    32KB

  • memory/4180-40-0x0000000005F30000-0x0000000006284000-memory.dmp

    Filesize

    3.3MB

  • memory/4180-62-0x0000000007540000-0x0000000007572000-memory.dmp

    Filesize

    200KB

  • memory/4180-17-0x0000000005810000-0x0000000005E38000-memory.dmp

    Filesize

    6.2MB

  • memory/4180-15-0x0000000002C60000-0x0000000002C96000-memory.dmp

    Filesize

    216KB

  • memory/4180-18-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB

  • memory/4180-89-0x0000000007A90000-0x0000000007AA1000-memory.dmp

    Filesize

    68KB

  • memory/4180-63-0x0000000074EF0000-0x0000000074F3C000-memory.dmp

    Filesize

    304KB

  • memory/4180-16-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB

  • memory/4180-82-0x0000000007500000-0x000000000751E000-memory.dmp

    Filesize

    120KB

  • memory/4180-100-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB

  • memory/4180-84-0x0000000007580000-0x0000000007623000-memory.dmp

    Filesize

    652KB

  • memory/4180-86-0x0000000007890000-0x00000000078AA000-memory.dmp

    Filesize

    104KB

  • memory/4180-85-0x0000000007ED0000-0x000000000854A000-memory.dmp

    Filesize

    6.5MB

  • memory/4180-87-0x0000000007900000-0x000000000790A000-memory.dmp

    Filesize

    40KB

  • memory/4180-88-0x0000000007B10000-0x0000000007BA6000-memory.dmp

    Filesize

    600KB

  • memory/4184-153-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-194-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-213-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-212-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-211-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-210-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-209-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-208-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-207-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-206-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-124-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-125-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-127-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-205-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-130-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-204-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-203-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-202-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-201-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-200-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-199-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-198-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-158-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-159-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-160-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-161-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-162-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-163-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-164-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-165-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-166-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-167-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-168-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-169-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-170-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-171-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-172-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-173-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-174-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-175-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-176-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-177-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-178-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-179-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-180-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-181-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-182-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-183-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-184-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-185-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-186-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-187-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-188-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-189-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-190-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-191-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-192-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-193-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-197-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-195-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4184-196-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4292-151-0x00000000078D0000-0x0000000007973000-memory.dmp

    Filesize

    652KB

  • memory/4292-103-0x0000000006030000-0x0000000006384000-memory.dmp

    Filesize

    3.3MB

  • memory/4292-154-0x0000000007C10000-0x0000000007C24000-memory.dmp

    Filesize

    80KB

  • memory/4292-129-0x0000000006C20000-0x0000000006C6C000-memory.dmp

    Filesize

    304KB

  • memory/4292-131-0x0000000073130000-0x000000007317C000-memory.dmp

    Filesize

    304KB

  • memory/4928-2-0x0000000005BD0000-0x0000000006174000-memory.dmp

    Filesize

    5.6MB

  • memory/4928-3-0x0000000005570000-0x0000000005602000-memory.dmp

    Filesize

    584KB

  • memory/4928-49-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB

  • memory/4928-1-0x0000000000C00000-0x0000000000CE6000-memory.dmp

    Filesize

    920KB

  • memory/4928-0-0x000000007466E000-0x000000007466F000-memory.dmp

    Filesize

    4KB

  • memory/4928-4-0x0000000005730000-0x000000000573A000-memory.dmp

    Filesize

    40KB

  • memory/4928-5-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB

  • memory/4928-6-0x000000007466E000-0x000000007466F000-memory.dmp

    Filesize

    4KB

  • memory/4928-7-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB

  • memory/4928-8-0x0000000005BB0000-0x0000000005BC2000-memory.dmp

    Filesize

    72KB

  • memory/4928-9-0x0000000007F50000-0x0000000008010000-memory.dmp

    Filesize

    768KB

  • memory/4928-10-0x000000000AA60000-0x000000000AAFC000-memory.dmp

    Filesize

    624KB