Analysis

  • max time kernel
    149s
  • 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
    07/02/2025, 05:02

General

  • Target

    76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe

  • Size

    1.0MB

  • MD5

    725d50e3d1d33e570efef92c4f72dd1c

  • SHA1

    059a6d565986ab372f99a7e86ea612aad3c6e190

  • SHA256

    76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8

  • SHA512

    1b9ee427dc492b9451ae4530f0e234bcc9002df681351591da14102d9464ca99f07678f8fbf3d82dd8deaccc42d2f318ab1b40256e25098a51ff1484280a3cf9

  • SSDEEP

    24576:JhNsRGf7gedBIuxEi6Vm0oGLyMryTptU242bY96DVjaFF:JXsleXIoA4eLyXt5k6ZjoF

Malware Config

Extracted

Family

remcos

Botnet

MONDAY454

C2

sungito333.ddns.net:5590

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-R5Q1RM

  • 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
  • Detected Nirsoft tools 3 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 1 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 1 IoCs

    Password recovery tool for various web browsers

  • 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 1 IoCs

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

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 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 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe
    "C:\Users\Admin\AppData\Local\Temp\76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.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:3896
    • 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\76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:404
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\cORjjxAPNjnQU.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1992
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cORjjxAPNjnQU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD32E.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2144
    • C:\Users\Admin\AppData\Local\Temp\76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe
      "C:\Users\Admin\AppData\Local\Temp\76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe"
      2⤵
        PID:2632
      • C:\Users\Admin\AppData\Local\Temp\76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe
        "C:\Users\Admin\AppData\Local\Temp\76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe"
        2⤵
          PID:756
        • C:\Users\Admin\AppData\Local\Temp\76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe
          "C:\Users\Admin\AppData\Local\Temp\76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe"
          2⤵
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4444
          • C:\Users\Admin\AppData\Local\Temp\76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe
            C:\Users\Admin\AppData\Local\Temp\76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe /stext "C:\Users\Admin\AppData\Local\Temp\pdybeatcflrovuycaxckoxpgtmlts"
            3⤵
              PID:1172
            • C:\Users\Admin\AppData\Local\Temp\76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe
              C:\Users\Admin\AppData\Local\Temp\76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe /stext "C:\Users\Admin\AppData\Local\Temp\pdybeatcflrovuycaxckoxpgtmlts"
              3⤵
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              PID:4644
            • C:\Users\Admin\AppData\Local\Temp\76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe
              C:\Users\Admin\AppData\Local\Temp\76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe /stext "C:\Users\Admin\AppData\Local\Temp\zylufsmvttjtfauokiolzkjpcscctntt"
              3⤵
              • Accesses Microsoft Outlook accounts
              • System Location Discovery: System Language Discovery
              PID:3916
            • C:\Users\Admin\AppData\Local\Temp\76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe
              C:\Users\Admin\AppData\Local\Temp\76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe /stext "C:\Users\Admin\AppData\Local\Temp\baqfg"
              3⤵
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:4724

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\remcos\logs.dat

          Filesize

          144B

          MD5

          6a1aedaa253b7752d54560bac6e72fc7

          SHA1

          292409893a8c77e72f0e92c3b41c4c21325942b6

          SHA256

          23164e68b27dbf30eadbc5649937f87d608bebfaf035906cf94386db5f2d4dd0

          SHA512

          8fee52ca708b0eacc443806c10689448b48784aed1cf7a282e0dd97b7a22153dee78d3c33f01ca984bc3ec5635058025da2e09ca53938e8ac6f4b52c6ab5c23f

        • 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\Temp\__PSScriptPolicyTest_n0fr0b2i.cnx.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\pdybeatcflrovuycaxckoxpgtmlts

          Filesize

          4KB

          MD5

          7aca43b2800ceb18b3ed2326532545de

          SHA1

          d4cf207ef85bd749d59c1cb27a09c167ee21523a

          SHA256

          3d9f8622d97587fd84d3d0560a50ab38e5f894fe4b5bcaa34279643fdaaeb480

          SHA512

          0e002e6b8d965c227d9b1aa7c0251619c787ec7717e59667e756e5815e3666a955ea397eb148a1ed6bb7d8045727e4efa656a103f14bc70a03b03f0c91283c2f

        • C:\Users\Admin\AppData\Local\Temp\tmpD32E.tmp

          Filesize

          1KB

          MD5

          dd3df8c3cdd69f4c9b11b72f3a0eda80

          SHA1

          1af2be7ab8b2d54aa47f30bdac934f37e5f2e951

          SHA256

          eb14988aaa74d4b288c45e58c66faf317630afbf57d51a5113397d52025aa6b5

          SHA512

          c06a61cddd6b58cc5934d81d231970ee9b9d293cd60f4a65344e5d296e095a173a36c59c3d9d185b89d4367c456ee21f9faa0da8f7cf2a5444c59699ed7da08a

        • memory/404-98-0x00000000749F0000-0x00000000751A0000-memory.dmp

          Filesize

          7.7MB

        • memory/404-74-0x00000000734C0000-0x000000007350C000-memory.dmp

          Filesize

          304KB

        • memory/404-90-0x00000000070C0000-0x00000000070D1000-memory.dmp

          Filesize

          68KB

        • memory/404-21-0x00000000749F0000-0x00000000751A0000-memory.dmp

          Filesize

          7.7MB

        • memory/404-17-0x0000000004E40000-0x0000000005468000-memory.dmp

          Filesize

          6.2MB

        • memory/404-18-0x00000000749F0000-0x00000000751A0000-memory.dmp

          Filesize

          7.7MB

        • memory/404-16-0x00000000749F0000-0x00000000751A0000-memory.dmp

          Filesize

          7.7MB

        • memory/404-15-0x0000000002270000-0x00000000022A6000-memory.dmp

          Filesize

          216KB

        • memory/1992-62-0x00000000734C0000-0x000000007350C000-memory.dmp

          Filesize

          304KB

        • memory/1992-56-0x0000000005DD0000-0x0000000005E1C000-memory.dmp

          Filesize

          304KB

        • memory/1992-19-0x00000000749F0000-0x00000000751A0000-memory.dmp

          Filesize

          7.7MB

        • memory/1992-20-0x00000000749F0000-0x00000000751A0000-memory.dmp

          Filesize

          7.7MB

        • memory/1992-93-0x00000000073A0000-0x00000000073BA000-memory.dmp

          Filesize

          104KB

        • memory/1992-92-0x00000000072A0000-0x00000000072B4000-memory.dmp

          Filesize

          80KB

        • memory/1992-23-0x00000000749F0000-0x00000000751A0000-memory.dmp

          Filesize

          7.7MB

        • memory/1992-26-0x00000000054F0000-0x0000000005556000-memory.dmp

          Filesize

          408KB

        • memory/1992-91-0x0000000007290000-0x000000000729E000-memory.dmp

          Filesize

          56KB

        • memory/1992-25-0x0000000005480000-0x00000000054E6000-memory.dmp

          Filesize

          408KB

        • memory/1992-24-0x00000000053E0000-0x0000000005402000-memory.dmp

          Filesize

          136KB

        • memory/1992-37-0x0000000005740000-0x0000000005A94000-memory.dmp

          Filesize

          3.3MB

        • memory/1992-89-0x00000000072E0000-0x0000000007376000-memory.dmp

          Filesize

          600KB

        • memory/1992-86-0x00000000070D0000-0x00000000070DA000-memory.dmp

          Filesize

          40KB

        • memory/1992-84-0x00000000076B0000-0x0000000007D2A000-memory.dmp

          Filesize

          6.5MB

        • memory/1992-85-0x0000000007060000-0x000000000707A000-memory.dmp

          Filesize

          104KB

        • memory/1992-61-0x0000000006CE0000-0x0000000006D12000-memory.dmp

          Filesize

          200KB

        • memory/1992-72-0x0000000006CA0000-0x0000000006CBE000-memory.dmp

          Filesize

          120KB

        • memory/1992-55-0x0000000005D40000-0x0000000005D5E000-memory.dmp

          Filesize

          120KB

        • memory/1992-94-0x0000000007380000-0x0000000007388000-memory.dmp

          Filesize

          32KB

        • memory/1992-73-0x0000000006D20000-0x0000000006DC3000-memory.dmp

          Filesize

          652KB

        • memory/1992-99-0x00000000749F0000-0x00000000751A0000-memory.dmp

          Filesize

          7.7MB

        • memory/3896-10-0x000000000C300000-0x000000000C39C000-memory.dmp

          Filesize

          624KB

        • memory/3896-7-0x00000000749FE000-0x00000000749FF000-memory.dmp

          Filesize

          4KB

        • memory/3896-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

          Filesize

          4KB

        • memory/3896-6-0x0000000005240000-0x000000000525E000-memory.dmp

          Filesize

          120KB

        • memory/3896-53-0x00000000749F0000-0x00000000751A0000-memory.dmp

          Filesize

          7.7MB

        • memory/3896-9-0x00000000091A0000-0x0000000009264000-memory.dmp

          Filesize

          784KB

        • memory/3896-4-0x00000000749F0000-0x00000000751A0000-memory.dmp

          Filesize

          7.7MB

        • memory/3896-1-0x0000000000470000-0x0000000000578000-memory.dmp

          Filesize

          1.0MB

        • memory/3896-3-0x0000000004FE0000-0x0000000005072000-memory.dmp

          Filesize

          584KB

        • memory/3896-2-0x0000000005590000-0x0000000005B34000-memory.dmp

          Filesize

          5.6MB

        • memory/3896-8-0x00000000749F0000-0x00000000751A0000-memory.dmp

          Filesize

          7.7MB

        • memory/3896-5-0x0000000004F70000-0x0000000004F7A000-memory.dmp

          Filesize

          40KB

        • memory/3916-104-0x0000000000400000-0x0000000000462000-memory.dmp

          Filesize

          392KB

        • memory/3916-102-0x0000000000400000-0x0000000000462000-memory.dmp

          Filesize

          392KB

        • memory/3916-109-0x0000000000400000-0x0000000000462000-memory.dmp

          Filesize

          392KB

        • memory/4444-49-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4444-125-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4444-59-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4444-57-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4444-149-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4444-148-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4444-58-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4444-141-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4444-54-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4444-140-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4444-133-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4444-52-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4444-132-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4444-48-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4444-115-0x0000000010000000-0x0000000010019000-memory.dmp

          Filesize

          100KB

        • memory/4444-118-0x0000000010000000-0x0000000010019000-memory.dmp

          Filesize

          100KB

        • memory/4444-119-0x0000000010000000-0x0000000010019000-memory.dmp

          Filesize

          100KB

        • memory/4444-120-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4444-124-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4444-60-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4444-42-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4644-107-0x0000000000400000-0x0000000000478000-memory.dmp

          Filesize

          480KB

        • memory/4644-103-0x0000000000400000-0x0000000000478000-memory.dmp

          Filesize

          480KB

        • memory/4644-101-0x0000000000400000-0x0000000000478000-memory.dmp

          Filesize

          480KB

        • memory/4724-105-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/4724-106-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/4724-108-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB