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
    20-08-2024 08:21

General

  • Target

    SecuriteInfo.com.Win32.MalwareX-gen.1358.31487.exe

  • Size

    1.1MB

  • MD5

    bc3e6bce7d0710d3f7e9e84c4be8008d

  • SHA1

    ec0f3bfb11e17040fd4ef3c9d2399fd95ce4bade

  • SHA256

    ae284655948354c6ed48e95cf2aaa058d376ed19d2aa69aa38eecea72ee2f576

  • SHA512

    4137e1f10b868469a746c1d78c2194fae87a3d06fd642c254a76a99871ad4835840f3d19c739b819e5c26446db72840a20a216a29a3f2f54fe1f5fe5724b1d63

  • SSDEEP

    24576:D95C/qaSuhCBs5TcglDxzrGZQpio7Cyd3HkY3jJaXqm3Z:biUuO+TcmDxuex7CyxkYYqmJ

Malware Config

Extracted

Family

remcos

Botnet

AUG 20

C2

sungito2.ddns.net:5055

154.216.19.222:7088

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-7RIKHP

  • 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 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 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 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 12 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.MalwareX-gen.1358.31487.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.MalwareX-gen.1358.31487.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5092
    • 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\SecuriteInfo.com.Win32.MalwareX-gen.1358.31487.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3208
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SAhGiXEbRrLb.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4136
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SAhGiXEbRrLb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA4E6.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3624
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.MalwareX-gen.1358.31487.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.MalwareX-gen.1358.31487.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:640
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.MalwareX-gen.1358.31487.exe
        C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.MalwareX-gen.1358.31487.exe /stext "C:\Users\Admin\AppData\Local\Temp\yqwydcrlqf"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:3336
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.MalwareX-gen.1358.31487.exe
        C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.MalwareX-gen.1358.31487.exe /stext "C:\Users\Admin\AppData\Local\Temp\ikkqwubfdnwnt"
        3⤵
          PID:532
        • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.MalwareX-gen.1358.31487.exe
          C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.MalwareX-gen.1358.31487.exe /stext "C:\Users\Admin\AppData\Local\Temp\ikkqwubfdnwnt"
          3⤵
          • Accesses Microsoft Outlook accounts
          • System Location Discovery: System Language Discovery
          PID:4772
        • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.MalwareX-gen.1358.31487.exe
          C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.MalwareX-gen.1358.31487.exe /stext "C:\Users\Admin\AppData\Local\Temp\lnpjxnmgrvpsvyger"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1756
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1432,i,12470628711992022444,7767535593390851522,262144 --variations-seed-version --mojo-platform-channel-handle=4288 /prefetch:8
      1⤵
        PID:468

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\remcos\logs.dat

        Filesize

        144B

        MD5

        aa4031a6accfd59622fd5429f1981e6c

        SHA1

        0566f5fcc106bd24d9f24ac3e023dffdd3313afc

        SHA256

        402f828101cd7c7ef49c5189104f02d2d5bcf24350dc67603abcf58ae73de8c8

        SHA512

        1db18c1268c8a1310de505265fe06b6a198c73dd65ecbc9035402f350f2e918be5cecc5e5e7d601648e7175b4a7de874e7898e6daa0c9df4707d61a24244b046

      • 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

        ecde54f36593a5ebf1ddbba6b324ee83

        SHA1

        ce3aff3fb8e3665825e6b7df5aac48366b4d4d38

        SHA256

        860d91b508325c6b6e7b616c2e02a8c95fe614483ff9162289ff5fce5c1d8b87

        SHA512

        fcb630a09b551551a9be1ca35dc2bcc6dfd7a51144243fdd9a02dcda6511afa95536d82c68afc1474b7310de45e02edd27e01953bacb97198eb9bcc85b13838e

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zsnp14oz.vka.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\tmpA4E6.tmp

        Filesize

        1KB

        MD5

        edf5638fad395d18b83432988e7dfca7

        SHA1

        97a44a2b185c499a7e7a5a2446a7906b06027ce0

        SHA256

        9d464ba93232eb64bfbfcdd0b2d5390275da531e71b76daae3aa0495df75e79f

        SHA512

        a475482e642a007109c48c597e7468d4aabe804027ccbc26bc00ded9536b300ec8afcd1afda4f1ccf18d40282d137f420962a4126b7804a27689aac13f39fdb3

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

        Filesize

        4KB

        MD5

        cda83eba5a004554ccdc061fd3df499c

        SHA1

        58ff2ecb9d47be10335e104896c87c62dc328523

        SHA256

        e384f4d46587646c6e0f9d2ee90b7bc57b49cea936b37cf8ab81ef3c4ce468ac

        SHA512

        f55ce20f0cf8b603fad765b889607f967c22d377fa4ac417ba1309d0aced9231e197bb4107d1c92bb99f51c04cc68ce26148727a8b694886710100c01f3de597

      • memory/640-136-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/640-160-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/640-58-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/640-145-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/640-144-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/640-152-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/640-122-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/640-153-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/640-120-0x0000000010000000-0x0000000010019000-memory.dmp

        Filesize

        100KB

      • memory/640-121-0x0000000010000000-0x0000000010019000-memory.dmp

        Filesize

        100KB

      • memory/640-161-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/640-117-0x0000000010000000-0x0000000010019000-memory.dmp

        Filesize

        100KB

      • memory/640-93-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/640-137-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/640-38-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/640-39-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/640-52-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/640-54-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/640-92-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/640-57-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/640-60-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/640-49-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/640-62-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/640-59-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/1756-87-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/1756-89-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/1756-88-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/3208-64-0x0000000073540000-0x000000007358C000-memory.dmp

        Filesize

        304KB

      • memory/3208-23-0x00000000059D0000-0x0000000005A36000-memory.dmp

        Filesize

        408KB

      • memory/3208-55-0x0000000006010000-0x000000000602E000-memory.dmp

        Filesize

        120KB

      • memory/3208-18-0x0000000074A70000-0x0000000075220000-memory.dmp

        Filesize

        7.7MB

      • memory/3208-17-0x00000000051A0000-0x00000000057C8000-memory.dmp

        Filesize

        6.2MB

      • memory/3208-74-0x0000000006570000-0x000000000658E000-memory.dmp

        Filesize

        120KB

      • memory/3208-75-0x0000000007260000-0x0000000007303000-memory.dmp

        Filesize

        652KB

      • memory/3208-16-0x0000000002720000-0x0000000002756000-memory.dmp

        Filesize

        216KB

      • memory/3208-63-0x0000000007220000-0x0000000007252000-memory.dmp

        Filesize

        200KB

      • memory/3208-77-0x0000000007330000-0x000000000734A000-memory.dmp

        Filesize

        104KB

      • memory/3208-19-0x0000000074A70000-0x0000000075220000-memory.dmp

        Filesize

        7.7MB

      • memory/3208-125-0x0000000074A70000-0x0000000075220000-memory.dmp

        Filesize

        7.7MB

      • memory/3208-56-0x00000000065D0000-0x000000000661C000-memory.dmp

        Filesize

        304KB

      • memory/3208-22-0x00000000058B0000-0x0000000005916000-memory.dmp

        Filesize

        408KB

      • memory/3208-90-0x00000000073A0000-0x00000000073AA000-memory.dmp

        Filesize

        40KB

      • memory/3208-21-0x00000000057D0000-0x00000000057F2000-memory.dmp

        Filesize

        136KB

      • memory/3208-25-0x0000000074A70000-0x0000000075220000-memory.dmp

        Filesize

        7.7MB

      • memory/3208-91-0x00000000075B0000-0x0000000007646000-memory.dmp

        Filesize

        600KB

      • memory/3208-115-0x0000000007670000-0x0000000007678000-memory.dmp

        Filesize

        32KB

      • memory/3208-114-0x0000000007690000-0x00000000076AA000-memory.dmp

        Filesize

        104KB

      • memory/3208-113-0x0000000007570000-0x0000000007584000-memory.dmp

        Filesize

        80KB

      • memory/3208-76-0x0000000007990000-0x000000000800A000-memory.dmp

        Filesize

        6.5MB

      • memory/3208-112-0x0000000007560000-0x000000000756E000-memory.dmp

        Filesize

        56KB

      • memory/3208-26-0x0000000005A40000-0x0000000005D94000-memory.dmp

        Filesize

        3.3MB

      • memory/3208-94-0x0000000007530000-0x0000000007541000-memory.dmp

        Filesize

        68KB

      • memory/3336-80-0x0000000000400000-0x0000000000478000-memory.dmp

        Filesize

        480KB

      • memory/3336-78-0x0000000000400000-0x0000000000478000-memory.dmp

        Filesize

        480KB

      • memory/3336-79-0x0000000000400000-0x0000000000478000-memory.dmp

        Filesize

        480KB

      • memory/4136-95-0x0000000073540000-0x000000007358C000-memory.dmp

        Filesize

        304KB

      • memory/4136-20-0x0000000074A70000-0x0000000075220000-memory.dmp

        Filesize

        7.7MB

      • memory/4136-27-0x0000000074A70000-0x0000000075220000-memory.dmp

        Filesize

        7.7MB

      • memory/4136-129-0x0000000074A70000-0x0000000075220000-memory.dmp

        Filesize

        7.7MB

      • memory/4772-84-0x0000000000400000-0x0000000000462000-memory.dmp

        Filesize

        392KB

      • memory/4772-83-0x0000000000400000-0x0000000000462000-memory.dmp

        Filesize

        392KB

      • memory/4772-82-0x0000000000400000-0x0000000000462000-memory.dmp

        Filesize

        392KB

      • memory/5092-4-0x0000000074A70000-0x0000000075220000-memory.dmp

        Filesize

        7.7MB

      • memory/5092-6-0x0000000005C30000-0x0000000005CCC000-memory.dmp

        Filesize

        624KB

      • memory/5092-5-0x0000000005990000-0x000000000599A000-memory.dmp

        Filesize

        40KB

      • memory/5092-8-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

        Filesize

        4KB

      • memory/5092-9-0x0000000074A70000-0x0000000075220000-memory.dmp

        Filesize

        7.7MB

      • memory/5092-3-0x00000000057D0000-0x0000000005862000-memory.dmp

        Filesize

        584KB

      • memory/5092-2-0x0000000005D80000-0x0000000006324000-memory.dmp

        Filesize

        5.6MB

      • memory/5092-1-0x0000000000E10000-0x0000000000F30000-memory.dmp

        Filesize

        1.1MB

      • memory/5092-0-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

        Filesize

        4KB

      • memory/5092-10-0x0000000005B90000-0x0000000005BA0000-memory.dmp

        Filesize

        64KB

      • memory/5092-7-0x0000000005B50000-0x0000000005B62000-memory.dmp

        Filesize

        72KB

      • memory/5092-11-0x0000000006BF0000-0x0000000006CB0000-memory.dmp

        Filesize

        768KB

      • memory/5092-53-0x0000000074A70000-0x0000000075220000-memory.dmp

        Filesize

        7.7MB