Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-08-2024 02:57

General

  • Target

    1414f1e42aa7b329d33ddbf9c64024eb822b1f61780bede84aa260724bd36b60.exe

  • Size

    927KB

  • MD5

    339dcd1a52b9095623e72c678f20ed01

  • SHA1

    a2bd542dcddefc2ece12e47b380bc343ead31604

  • SHA256

    1414f1e42aa7b329d33ddbf9c64024eb822b1f61780bede84aa260724bd36b60

  • SHA512

    06b4ab19a5cd8957d879ed141e9d9ad5a0c4898d2bb460f4796d2d04014a67a10fe00bc6243a8936c8ec1b9be7d6cf4ce1a8a6c278067e6ea86ed5a2d40150a7

  • SSDEEP

    24576:JBKlj3XZEwjwxSonfaM00VMNSfQ/woYhkToooZ:2ljHZncct7IoY9bZ

Malware Config

Extracted

Family

remcos

Botnet

BCV

C2

tvq3101.sytes.net:1974

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-9PFUGS

  • 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.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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 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.

  • Reads user/profile data of web browsers 2 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 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1414f1e42aa7b329d33ddbf9c64024eb822b1f61780bede84aa260724bd36b60.exe
    "C:\Users\Admin\AppData\Local\Temp\1414f1e42aa7b329d33ddbf9c64024eb822b1f61780bede84aa260724bd36b60.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:2576
    • 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\1414f1e42aa7b329d33ddbf9c64024eb822b1f61780bede84aa260724bd36b60.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4480
    • C:\Users\Admin\AppData\Local\Temp\1414f1e42aa7b329d33ddbf9c64024eb822b1f61780bede84aa260724bd36b60.exe
      "C:\Users\Admin\AppData\Local\Temp\1414f1e42aa7b329d33ddbf9c64024eb822b1f61780bede84aa260724bd36b60.exe"
      2⤵
        PID:4488
      • C:\Users\Admin\AppData\Local\Temp\1414f1e42aa7b329d33ddbf9c64024eb822b1f61780bede84aa260724bd36b60.exe
        "C:\Users\Admin\AppData\Local\Temp\1414f1e42aa7b329d33ddbf9c64024eb822b1f61780bede84aa260724bd36b60.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4600
        • C:\Users\Admin\AppData\Local\Temp\1414f1e42aa7b329d33ddbf9c64024eb822b1f61780bede84aa260724bd36b60.exe
          C:\Users\Admin\AppData\Local\Temp\1414f1e42aa7b329d33ddbf9c64024eb822b1f61780bede84aa260724bd36b60.exe /stext "C:\Users\Admin\AppData\Local\Temp\htiwkkzlc"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:2960
        • C:\Users\Admin\AppData\Local\Temp\1414f1e42aa7b329d33ddbf9c64024eb822b1f61780bede84aa260724bd36b60.exe
          C:\Users\Admin\AppData\Local\Temp\1414f1e42aa7b329d33ddbf9c64024eb822b1f61780bede84aa260724bd36b60.exe /stext "C:\Users\Admin\AppData\Local\Temp\jnvpkdsfqwnpi"
          3⤵
            PID:4336
          • C:\Users\Admin\AppData\Local\Temp\1414f1e42aa7b329d33ddbf9c64024eb822b1f61780bede84aa260724bd36b60.exe
            C:\Users\Admin\AppData\Local\Temp\1414f1e42aa7b329d33ddbf9c64024eb822b1f61780bede84aa260724bd36b60.exe /stext "C:\Users\Admin\AppData\Local\Temp\jnvpkdsfqwnpi"
            3⤵
              PID:3436
            • C:\Users\Admin\AppData\Local\Temp\1414f1e42aa7b329d33ddbf9c64024eb822b1f61780bede84aa260724bd36b60.exe
              C:\Users\Admin\AppData\Local\Temp\1414f1e42aa7b329d33ddbf9c64024eb822b1f61780bede84aa260724bd36b60.exe /stext "C:\Users\Admin\AppData\Local\Temp\jnvpkdsfqwnpi"
              3⤵
              • Accesses Microsoft Outlook accounts
              • System Location Discovery: System Language Discovery
              PID:3580
            • C:\Users\Admin\AppData\Local\Temp\1414f1e42aa7b329d33ddbf9c64024eb822b1f61780bede84aa260724bd36b60.exe
              C:\Users\Admin\AppData\Local\Temp\1414f1e42aa7b329d33ddbf9c64024eb822b1f61780bede84aa260724bd36b60.exe /stext "C:\Users\Admin\AppData\Local\Temp\tpbhdvcheefusokj"
              3⤵
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:60

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\remcos\logs.dat

          Filesize

          318B

          MD5

          c2e2d10238892d311b585f12911b6c6d

          SHA1

          a2fce4c1ccb8d17d1a67f0e31eca9d0ff3b8cdee

          SHA256

          a484fd93734426b7de490347be0f60c7ca5b5024f6cecd75a27f1c6118698658

          SHA512

          09434b603b0a819edd38963e732bc255c45a8974506699601b28a254a8f252bc46535303afd73414fd1a20130c4832139349961c5e6b32da9734dac092aab104

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rdm2any1.0of.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

          Filesize

          4KB

          MD5

          c7ac5a21cac5bd5580a6e28112212613

          SHA1

          0a256177c387053fec680e599bcb63729a16c161

          SHA256

          89e0e7dc8ad418f8613610b71d0c140247e26a5f9a453ee255b1467fb80f15ff

          SHA512

          753675a75b643132e50175d67589a3952cb5154a7e51c11883b2e28bf4fe406afbaed88e61575cc114156e41ed5c587b0f76845e6d20ddf922e775bfff3f0b43

        • memory/60-79-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/60-84-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/60-80-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/2576-0-0x000000007444E000-0x000000007444F000-memory.dmp

          Filesize

          4KB

        • memory/2576-4-0x0000000005610000-0x000000000561A000-memory.dmp

          Filesize

          40KB

        • memory/2576-8-0x0000000074440000-0x0000000074BF0000-memory.dmp

          Filesize

          7.7MB

        • memory/2576-9-0x00000000067F0000-0x00000000068B0000-memory.dmp

          Filesize

          768KB

        • memory/2576-10-0x0000000006AB0000-0x0000000006B4C000-memory.dmp

          Filesize

          624KB

        • memory/2576-3-0x0000000005550000-0x00000000055E2000-memory.dmp

          Filesize

          584KB

        • memory/2576-2-0x0000000005C10000-0x00000000061B4000-memory.dmp

          Filesize

          5.6MB

        • memory/2576-6-0x0000000008170000-0x0000000008188000-memory.dmp

          Filesize

          96KB

        • memory/2576-7-0x000000007444E000-0x000000007444F000-memory.dmp

          Filesize

          4KB

        • memory/2576-1-0x0000000000A90000-0x0000000000B7A000-memory.dmp

          Filesize

          936KB

        • memory/2576-5-0x0000000074440000-0x0000000074BF0000-memory.dmp

          Filesize

          7.7MB

        • memory/2576-20-0x0000000074440000-0x0000000074BF0000-memory.dmp

          Filesize

          7.7MB

        • memory/2960-77-0x0000000000400000-0x0000000000478000-memory.dmp

          Filesize

          480KB

        • memory/2960-74-0x0000000000400000-0x0000000000478000-memory.dmp

          Filesize

          480KB

        • memory/2960-73-0x0000000000400000-0x0000000000478000-memory.dmp

          Filesize

          480KB

        • memory/3580-76-0x0000000000400000-0x0000000000462000-memory.dmp

          Filesize

          392KB

        • memory/3580-78-0x0000000000400000-0x0000000000462000-memory.dmp

          Filesize

          392KB

        • memory/3580-75-0x0000000000400000-0x0000000000462000-memory.dmp

          Filesize

          392KB

        • memory/4480-16-0x0000000002E70000-0x0000000002EA6000-memory.dmp

          Filesize

          216KB

        • memory/4480-69-0x0000000007DF0000-0x0000000007E0A000-memory.dmp

          Filesize

          104KB

        • memory/4480-17-0x0000000002E10000-0x0000000002E20000-memory.dmp

          Filesize

          64KB

        • memory/4480-39-0x00000000062C0000-0x0000000006614000-memory.dmp

          Filesize

          3.3MB

        • memory/4480-19-0x000000007444E000-0x000000007444F000-memory.dmp

          Filesize

          4KB

        • memory/4480-18-0x0000000002E10000-0x0000000002E20000-memory.dmp

          Filesize

          64KB

        • memory/4480-41-0x0000000006790000-0x00000000067AE000-memory.dmp

          Filesize

          120KB

        • memory/4480-42-0x0000000006C90000-0x0000000006CDC000-memory.dmp

          Filesize

          304KB

        • memory/4480-43-0x0000000007970000-0x00000000079A2000-memory.dmp

          Filesize

          200KB

        • memory/4480-44-0x000000006FF30000-0x000000006FF7C000-memory.dmp

          Filesize

          304KB

        • memory/4480-54-0x0000000006D50000-0x0000000006D6E000-memory.dmp

          Filesize

          120KB

        • memory/4480-55-0x00000000079B0000-0x0000000007A53000-memory.dmp

          Filesize

          652KB

        • memory/4480-21-0x00000000058C0000-0x0000000005EE8000-memory.dmp

          Filesize

          6.2MB

        • memory/4480-22-0x00000000056C0000-0x00000000056E2000-memory.dmp

          Filesize

          136KB

        • memory/4480-58-0x0000000008100000-0x000000000877A000-memory.dmp

          Filesize

          6.5MB

        • memory/4480-59-0x0000000007AB0000-0x0000000007ACA000-memory.dmp

          Filesize

          104KB

        • memory/4480-24-0x0000000005F60000-0x0000000005FC6000-memory.dmp

          Filesize

          408KB

        • memory/4480-23-0x0000000005EF0000-0x0000000005F56000-memory.dmp

          Filesize

          408KB

        • memory/4480-70-0x0000000007DD0000-0x0000000007DD8000-memory.dmp

          Filesize

          32KB

        • memory/4480-64-0x0000000007B20000-0x0000000007B2A000-memory.dmp

          Filesize

          40KB

        • memory/4480-65-0x0000000007D30000-0x0000000007DC6000-memory.dmp

          Filesize

          600KB

        • memory/4480-66-0x0000000007CB0000-0x0000000007CC1000-memory.dmp

          Filesize

          68KB

        • memory/4480-67-0x0000000007CE0000-0x0000000007CEE000-memory.dmp

          Filesize

          56KB

        • memory/4480-68-0x0000000007CF0000-0x0000000007D04000-memory.dmp

          Filesize

          80KB

        • memory/4600-56-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4600-92-0x0000000010000000-0x0000000010019000-memory.dmp

          Filesize

          100KB

        • memory/4600-61-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4600-60-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4600-57-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4600-35-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4600-40-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4600-34-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4600-38-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4600-15-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4600-14-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4600-11-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4600-88-0x0000000010000000-0x0000000010019000-memory.dmp

          Filesize

          100KB

        • memory/4600-63-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4600-91-0x0000000010000000-0x0000000010019000-memory.dmp

          Filesize

          100KB

        • memory/4600-93-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4600-94-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4600-96-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4600-97-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4600-12-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4600-105-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4600-104-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4600-112-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4600-113-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4600-120-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4600-121-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4600-128-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4600-129-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB