Windows 7 deprecation

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

Analysis

  • max time kernel
    148s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04/09/2024, 12:26

General

  • Target

    b4952421150265489acc51c83234643237b1f06e468c450d604210e3ee50316e.exe

  • Size

    991KB

  • MD5

    4839930b3f7915602fd40251b76bb9c5

  • SHA1

    fe3a9de406d44c6a9aa5a6ad1fede58f6a0e413f

  • SHA256

    b4952421150265489acc51c83234643237b1f06e468c450d604210e3ee50316e

  • SHA512

    54b4b3ba92406fb1417eda6366cc4806f10dfae1233cb009c697a8b95f990bd497a7e50140f48406566e16dedf0a62a0f71f25d862d1113a92d6277cacf5016f

  • SSDEEP

    12288:vdZshZWHXnhEE8tpUEx1I94L+R49xIUBZjlP4JH0Y6QC4zmEs0mwF0WOs5HvrWZO:vzshZEXw7jIS6RuXGUDQFDMEKW4THM00

Malware Config

Extracted

Family

remcos

Botnet

Aug 23C

C2

method8888.ddns.net:6902

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-RCNGU6

  • 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.

  • 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 4 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b4952421150265489acc51c83234643237b1f06e468c450d604210e3ee50316e.exe
    "C:\Users\Admin\AppData\Local\Temp\b4952421150265489acc51c83234643237b1f06e468c450d604210e3ee50316e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1792
    • 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\b4952421150265489acc51c83234643237b1f06e468c450d604210e3ee50316e.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2860
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TkhOsslQS.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2492
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TkhOsslQS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2FD.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2888
    • C:\Users\Admin\AppData\Local\Temp\b4952421150265489acc51c83234643237b1f06e468c450d604210e3ee50316e.exe
      "C:\Users\Admin\AppData\Local\Temp\b4952421150265489acc51c83234643237b1f06e468c450d604210e3ee50316e.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2688
      • C:\Users\Admin\AppData\Local\Temp\b4952421150265489acc51c83234643237b1f06e468c450d604210e3ee50316e.exe
        C:\Users\Admin\AppData\Local\Temp\b4952421150265489acc51c83234643237b1f06e468c450d604210e3ee50316e.exe /stext "C:\Users\Admin\AppData\Local\Temp\adupuiozapxljgoojyotfzzltvpiqynhh"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:2880
      • C:\Users\Admin\AppData\Local\Temp\b4952421150265489acc51c83234643237b1f06e468c450d604210e3ee50316e.exe
        C:\Users\Admin\AppData\Local\Temp\b4952421150265489acc51c83234643237b1f06e468c450d604210e3ee50316e.exe /stext "C:\Users\Admin\AppData\Local\Temp\kxzhv"
        3⤵
        • Accesses Microsoft Outlook accounts
        • System Location Discovery: System Language Discovery
        PID:2696
      • C:\Users\Admin\AppData\Local\Temp\b4952421150265489acc51c83234643237b1f06e468c450d604210e3ee50316e.exe
        C:\Users\Admin\AppData\Local\Temp\b4952421150265489acc51c83234643237b1f06e468c450d604210e3ee50316e.exe /stext "C:\Users\Admin\AppData\Local\Temp\mzeswlku"
        3⤵
          PID:2024
        • C:\Users\Admin\AppData\Local\Temp\b4952421150265489acc51c83234643237b1f06e468c450d604210e3ee50316e.exe
          C:\Users\Admin\AppData\Local\Temp\b4952421150265489acc51c83234643237b1f06e468c450d604210e3ee50316e.exe /stext "C:\Users\Admin\AppData\Local\Temp\mzeswlku"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2036

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\remcos\logs.dat

      Filesize

      144B

      MD5

      9d54600b1c6f229a1d19ea18bf3af53c

      SHA1

      9291dbf8b7cb0b9f5d2fd6318afd077c0b39ac2b

      SHA256

      da903a1b7093329e241ef87a187bbde9b5dff8bdadd1c3c96e856e6bb7cbb36e

      SHA512

      28de633a80612212511a85fdda26dcbac565773d89fdd82b358b03a0bcceb0d81f241ecc0ed24b1a7323d0014a754cca707f1095b11841e73e7e7ee54f1bc04a

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

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • C:\Users\Admin\AppData\Local\Temp\tmp2FD.tmp

      Filesize

      1KB

      MD5

      4c69176fbb7856f66c3d3bd1c4a18af3

      SHA1

      58af838e054af5ecd01531e26240e2e8c6ef35ca

      SHA256

      cb88fe9f5996c2e414cb7fe5f777a6723d6a33d0976454a98474887ccf4a8153

      SHA512

      4514187ab11d0d9ee4f544c3f2f4ccfe8459a40f0c4fdee80d914dc94bacf14af638e872fdb744e188a315993a230660172a07923eb07b763ff06f4683821a85

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\0TCS8YOT4ISKCGM030QB.temp

      Filesize

      7KB

      MD5

      6e688dfba83129470b264d19217bd60a

      SHA1

      574e4d5163dbf136fa0573bf53b99b94a976e8f2

      SHA256

      87729c479534cdc28dab2a78dd21fab2ca22d964981844741f4f249be2967745

      SHA512

      f7f6194302f4a0d3010cbeaed64fefbfd7e68e3fde7f7d72492def918671b5e9f07ae15b87e2081948aeedbcaa7b5bc60515bf6b4d32582dfc56a38dabd07cfa

    • memory/1792-4-0x0000000000B10000-0x0000000000B2A000-memory.dmp

      Filesize

      104KB

    • memory/1792-3-0x0000000005140000-0x0000000005228000-memory.dmp

      Filesize

      928KB

    • memory/1792-6-0x00000000743F0000-0x0000000074ADE000-memory.dmp

      Filesize

      6.9MB

    • memory/1792-7-0x00000000005E0000-0x00000000005EC000-memory.dmp

      Filesize

      48KB

    • memory/1792-8-0x0000000000600000-0x0000000000610000-memory.dmp

      Filesize

      64KB

    • memory/1792-9-0x0000000005330000-0x00000000053F0000-memory.dmp

      Filesize

      768KB

    • memory/1792-45-0x00000000743F0000-0x0000000074ADE000-memory.dmp

      Filesize

      6.9MB

    • memory/1792-5-0x00000000743FE000-0x00000000743FF000-memory.dmp

      Filesize

      4KB

    • memory/1792-2-0x00000000743F0000-0x0000000074ADE000-memory.dmp

      Filesize

      6.9MB

    • memory/1792-1-0x0000000000E40000-0x0000000000F3A000-memory.dmp

      Filesize

      1000KB

    • memory/1792-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

      Filesize

      4KB

    • memory/2036-64-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2036-62-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2036-63-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2688-22-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2688-76-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2688-40-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2688-38-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2688-36-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2688-34-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2688-32-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2688-30-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2688-28-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2688-47-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2688-48-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2688-49-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2688-50-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2688-52-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2688-103-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2688-102-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2688-94-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2688-95-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2688-86-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2688-87-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2688-26-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2688-46-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2688-24-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2688-41-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2688-39-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2688-71-0x0000000010000000-0x0000000010019000-memory.dmp

      Filesize

      100KB

    • memory/2688-75-0x0000000010000000-0x0000000010019000-memory.dmp

      Filesize

      100KB

    • memory/2688-74-0x0000000010000000-0x0000000010019000-memory.dmp

      Filesize

      100KB

    • memory/2688-44-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2688-78-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2688-79-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2696-56-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2696-57-0x0000000000400000-0x0000000000462000-memory.dmp

      Filesize

      392KB

    • memory/2696-58-0x0000000000400000-0x0000000000462000-memory.dmp

      Filesize

      392KB

    • memory/2696-60-0x0000000000400000-0x0000000000462000-memory.dmp

      Filesize

      392KB

    • memory/2880-54-0x0000000000400000-0x0000000000478000-memory.dmp

      Filesize

      480KB

    • memory/2880-55-0x0000000000400000-0x0000000000478000-memory.dmp

      Filesize

      480KB

    • memory/2880-59-0x0000000000400000-0x0000000000478000-memory.dmp

      Filesize

      480KB