Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    05-04-2024 13:27

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.22684.exe

  • Size

    892KB

  • MD5

    636a54861ddd167065f294cc76fca7ba

  • SHA1

    7e3eba28bc4b89801c91de5450aa28da5c6ff941

  • SHA256

    8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c

  • SHA512

    cde7be19fc7fa841d22521a6c5ad01129ff604b2f91c1c16e0da7d91434cd962af25a39c8ab43c14915536b47d652eb2e55cf0fab5178a9553ab0f8f74833fc4

  • SSDEEP

    24576:GgkHhAVqHxUrlWy05hMud6hHERSIhO0RDP+dB8:I2V+Ur6MIMHERSIQ0RDr

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

paygateme.net:2286

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-WTDTSU

  • screenshot_crypt

    true

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • NirSoft MailPassView 2 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 7 IoCs
  • 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22684.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22684.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2480
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tzRVJJzEigd.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2648
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tzRVJJzEigd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp405A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2504
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22684.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22684.exe"
      2⤵
        PID:2180
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22684.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22684.exe"
        2⤵
          PID:2680
        • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22684.exe
          "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22684.exe"
          2⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2512
          • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22684.exe
            C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22684.exe /stext "C:\Users\Admin\AppData\Local\Temp\pnuacjnzacyosynethhdgv"
            3⤵
              PID:1236
            • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22684.exe
              C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22684.exe /stext "C:\Users\Admin\AppData\Local\Temp\pnuacjnzacyosynethhdgv"
              3⤵
                PID:1912
              • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22684.exe
                C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22684.exe /stext "C:\Users\Admin\AppData\Local\Temp\pnuacjnzacyosynethhdgv"
                3⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:2836
              • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22684.exe
                C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22684.exe /stext "C:\Users\Admin\AppData\Local\Temp\zhzldtytwkqtdmjiksuxricdr"
                3⤵
                • Accesses Microsoft Outlook accounts
                PID:2624
              • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22684.exe
                C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22684.exe /stext "C:\Users\Admin\AppData\Local\Temp\jbfddmiuktiyfsxmtdhyumwuaiqz"
                3⤵
                  PID:1676
                • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22684.exe
                  C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.22684.exe /stext "C:\Users\Admin\AppData\Local\Temp\jbfddmiuktiyfsxmtdhyumwuaiqz"
                  3⤵
                  • Suspicious use of AdjustPrivilegeToken
                  PID:788

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\ProgramData\remcos\logs.dat
              Filesize

              144B

              MD5

              bcd9f0bfac3a73334fdc2c98dab2c631

              SHA1

              6235d0b03a20f8e97582698a9873bef70ba146c0

              SHA256

              0aedf622b657b180f7a81210e393562ff92133e341f27f78ae97fd48f623564e

              SHA512

              ee8e1c097e1c453ebe864915374ffac8972431f6030ec9a8bb77ca109e2bd1bd2314a9da3eefaf768d7956482fc4015f65a51df21c708c44a6c8ae12a8505ba8

            • C:\Users\Admin\AppData\Local\Temp\pnuacjnzacyosynethhdgv
              Filesize

              2B

              MD5

              f3b25701fe362ec84616a93a45ce9998

              SHA1

              d62636d8caec13f04e28442a0a6fa1afeb024bbb

              SHA256

              b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

              SHA512

              98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

            • C:\Users\Admin\AppData\Local\Temp\tmp405A.tmp
              Filesize

              1KB

              MD5

              79a4a5a45db38f8e96e531d444c9070c

              SHA1

              78cf2a96ebd585946c8eaa5b7d5b9d36fa1fdf1e

              SHA256

              c994a716c0a32494b68296b70d6d0470c1a18b172e8e278cda0c2016371d964d

              SHA512

              603e1999333319f2709b1a8858dc2d19bb2693b812d34be3440ae6f86a64b4d318e2b34a8712ff5f50e76205c8b9bea05830eaae7452fbff0351c2d019f288c4

            • memory/788-73-0x0000000000400000-0x0000000000424000-memory.dmp
              Filesize

              144KB

            • memory/788-76-0x0000000000400000-0x0000000000424000-memory.dmp
              Filesize

              144KB

            • memory/788-75-0x0000000000400000-0x0000000000424000-memory.dmp
              Filesize

              144KB

            • memory/788-74-0x0000000000400000-0x0000000000424000-memory.dmp
              Filesize

              144KB

            • memory/788-67-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
              Filesize

              4KB

            • memory/788-71-0x0000000000400000-0x0000000000424000-memory.dmp
              Filesize

              144KB

            • memory/2480-4-0x0000000001E00000-0x0000000001E0C000-memory.dmp
              Filesize

              48KB

            • memory/2480-5-0x00000000053D0000-0x0000000005490000-memory.dmp
              Filesize

              768KB

            • memory/2480-3-0x0000000001DE0000-0x0000000001DF0000-memory.dmp
              Filesize

              64KB

            • memory/2480-2-0x00000000048A0000-0x00000000048E0000-memory.dmp
              Filesize

              256KB

            • memory/2480-1-0x0000000074990000-0x000000007507E000-memory.dmp
              Filesize

              6.9MB

            • memory/2480-34-0x0000000074990000-0x000000007507E000-memory.dmp
              Filesize

              6.9MB

            • memory/2480-0-0x00000000000E0000-0x00000000001C6000-memory.dmp
              Filesize

              920KB

            • memory/2512-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
              Filesize

              4KB

            • memory/2512-51-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/2512-33-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/2512-35-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/2512-37-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/2512-38-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/2512-39-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/2512-121-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/2512-120-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/2512-43-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/2512-113-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/2512-112-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/2512-45-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/2512-103-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/2512-100-0x0000000010000000-0x0000000010019000-memory.dmp
              Filesize

              100KB

            • memory/2512-49-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/2512-50-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/2512-88-0x0000000010000000-0x0000000010019000-memory.dmp
              Filesize

              100KB

            • memory/2512-52-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/2512-54-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/2512-13-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/2512-95-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/2512-94-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/2512-92-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/2512-91-0x0000000010000000-0x0000000010019000-memory.dmp
              Filesize

              100KB

            • memory/2512-31-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/2512-27-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/2512-25-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/2512-23-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/2512-21-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/2512-19-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/2512-17-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/2512-90-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/2512-15-0x0000000000400000-0x0000000000482000-memory.dmp
              Filesize

              520KB

            • memory/2512-89-0x0000000010000000-0x0000000010019000-memory.dmp
              Filesize

              100KB

            • memory/2512-85-0x0000000010000000-0x0000000010019000-memory.dmp
              Filesize

              100KB

            • memory/2624-70-0x0000000000400000-0x0000000000462000-memory.dmp
              Filesize

              392KB

            • memory/2624-65-0x0000000000400000-0x0000000000462000-memory.dmp
              Filesize

              392KB

            • memory/2624-84-0x0000000000400000-0x0000000000462000-memory.dmp
              Filesize

              392KB

            • memory/2624-68-0x0000000000400000-0x0000000000462000-memory.dmp
              Filesize

              392KB

            • memory/2648-46-0x0000000001EB0000-0x0000000001EF0000-memory.dmp
              Filesize

              256KB

            • memory/2648-48-0x000000006ED60000-0x000000006F30B000-memory.dmp
              Filesize

              5.7MB

            • memory/2648-47-0x0000000001EB0000-0x0000000001EF0000-memory.dmp
              Filesize

              256KB

            • memory/2648-44-0x0000000001EB0000-0x0000000001EF0000-memory.dmp
              Filesize

              256KB

            • memory/2648-42-0x000000006ED60000-0x000000006F30B000-memory.dmp
              Filesize

              5.7MB

            • memory/2648-40-0x000000006ED60000-0x000000006F30B000-memory.dmp
              Filesize

              5.7MB

            • memory/2836-64-0x0000000000400000-0x0000000000478000-memory.dmp
              Filesize

              480KB

            • memory/2836-61-0x0000000000400000-0x0000000000478000-memory.dmp
              Filesize

              480KB

            • memory/2836-58-0x0000000000400000-0x0000000000478000-memory.dmp
              Filesize

              480KB

            • memory/2836-81-0x0000000000400000-0x0000000000478000-memory.dmp
              Filesize

              480KB