Analysis

  • max time kernel
    110s
  • max time network
    122s
  • submitted
    01-01-1970 00:00

General

  • Target

    edc29fe698230e37846eaa00d4aeed60550c09674bf628237c9b942e0085d121.exe

  • Size

    4.3MB

  • MD5

    239348d287c11a59a46078a95c0274ba

  • SHA1

    e27f3e5a2c8b629d799d3d04396fcec50c435e6f

  • SHA256

    edc29fe698230e37846eaa00d4aeed60550c09674bf628237c9b942e0085d121

  • SHA512

    69f0ef71d9d358ceb4a73345cefa48a8e388f6a9dd62aa82487fbe1983c8d372dd40407e756ac7245d45b85fdcc2c4b538b02d6a7b9cb3f874ea64cb0cbc0397

Malware Config

Signatures

  • ServHelper

    ServHelper is a backdoor written in Delphi and is associated with the hacking group TA505.

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • Grants admin privileges 1 TTPs

    Uses net.exe to modify the user's privileges.

  • Modifies RDP port number used by Windows 1 TTPs
  • Sets DLL path for service in the registry 2 TTPs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 8 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\edc29fe698230e37846eaa00d4aeed60550c09674bf628237c9b942e0085d121.exe
    "C:\Users\Admin\AppData\Local\Temp\edc29fe698230e37846eaa00d4aeed60550c09674bf628237c9b942e0085d121.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3364
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -ep bypass & 'C:\Users\Admin\AppData\Local\Temp\\ready.ps1'
      2⤵
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3988
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\d5pplxag\d5pplxag.cmdline"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:372
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESD66B.tmp" "c:\Users\Admin\AppData\Local\Temp\d5pplxag\CSC5CA27E7958FB43B9BA8F4AEDFF411038.TMP"
          4⤵
            PID:1628
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1204
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3352
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3884
        • C:\Windows\SysWOW64\reg.exe
          "C:\Windows\system32\reg.exe" ADD "HKLM\System\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp" /v PortNumber /t REG_DWORD /d 0x1C21 /f
          3⤵
            PID:2280
          • C:\Windows\SysWOW64\reg.exe
            "C:\Windows\system32\reg.exe" add HKLM\system\currentcontrolset\services\TermService\parameters /v ServiceDLL /t REG_EXPAND_SZ /d C:\Windows\branding\mediasrv.png /f
            3⤵
            • Modifies registry key
            PID:2712
          • C:\Windows\SysWOW64\reg.exe
            "C:\Windows\system32\reg.exe" add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services" /v fEnableWddmDriver /t reg_dword /d 0 /f
            3⤵
              PID:1732
            • C:\Windows\SysWOW64\net.exe
              "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:2952
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
                4⤵
                  PID:504
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:3200
                • C:\Windows\SysWOW64\cmd.exe
                  cmd /c net start rdpdr
                  4⤵
                  • Suspicious use of WriteProcessMemory
                  PID:3628
                  • C:\Windows\SysWOW64\net.exe
                    net start rdpdr
                    5⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3720
                    • C:\Windows\SysWOW64\net1.exe
                      C:\Windows\system32\net1 start rdpdr
                      6⤵
                        PID:2708
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:660
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd /c net start TermService
                    4⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2880
                    • C:\Windows\SysWOW64\net.exe
                      net start TermService
                      5⤵
                      • Suspicious use of WriteProcessMemory
                      PID:3736
                      • C:\Windows\SysWOW64\net1.exe
                        C:\Windows\system32\net1 start TermService
                        6⤵
                          PID:3068
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
                    3⤵
                      PID:1080
                    • C:\Windows\SysWOW64\cmd.exe
                      "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
                      3⤵
                        PID:1124

                  Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache

                    MD5

                    f3068198b62b4b70404ec46694d632be

                    SHA1

                    7b0b31ae227cf2a78cb751573a9d07f755104ea0

                    SHA256

                    bd0fab28319be50795bd6aa9692742ba12539b136036acce2e0403f10a779fc8

                    SHA512

                    ef285a93898a9436219540f247beb52da69242d05069b3f50d1761bb956ebb8468aeaeadcb87dd7a09f5039c479a31f313c83c4a63c2b2f789f1fe55b4fa9795

                  • C:\Users\Admin\AppData\Local\Temp\RESD66B.tmp

                    MD5

                    a1e3bc4d799d80e8f605edb7b4557170

                    SHA1

                    992a14ec8160c7008d9617825abb22049fd226d0

                    SHA256

                    75b25971299657b7927ee243eaf264e46e6c9bfd3152cd7f9b50351479b1f6bf

                    SHA512

                    af2a7543fc848e939ec29ff762b1d55238b81af15a86361b978c0e6e639a552f73e4f7b422d05852334feb8fd5de33f52c7a5fba6a04920f5d2b330f336f2acd

                  • C:\Users\Admin\AppData\Local\Temp\d5pplxag\d5pplxag.dll

                    MD5

                    4cb5a32500b106badb8a23717fd772eb

                    SHA1

                    cf7308ebfb56fa5d54bd504b0df74da0279f3841

                    SHA256

                    57124b1ae3d4c4a03bf18fc96202b1391ba570928e7bc59c2795383bbe47340f

                    SHA512

                    c96bf46b652871312446c29249831b55186a0a0aa70efaecf8eb6392f6ff6281c0639b3490d39310963aed8c7329f43a6528d98287a4125229b3b0bb9a7eeb6f

                  • C:\Users\Admin\AppData\Local\Temp\get-dnsprovider.PS1

                    MD5

                    794bf0ae26a7efb0c516cf4a7692c501

                    SHA1

                    c8f81d0ddd4d360dcbe0814a04a86748f99c6ff2

                    SHA256

                    97753653d52aaa961e4d1364b5b43551c76da9bb19e12f741bd67c986259e825

                    SHA512

                    20c97972a1256375157f82a859ce4936613fe109d54c63bbec25734edc3a567ca976b342a21ef5f25571b3c1959afe618ad9f9f17a817cfd731d1504541b1a75

                  • C:\Users\Admin\AppData\Local\Temp\ready.ps1

                    MD5

                    28d9755addec05c0b24cca50dfe3a92b

                    SHA1

                    7d3156f11c7a7fb60d29809caf93101de2681aa3

                    SHA256

                    abb6ceb444b3dc29fcdcb8bda4935a6a792b85bb7049cb2710d97415d9411af9

                    SHA512

                    891a72eeef42be3f04067225a9665020704c99f9c17473ca57e5b946dfa35cb469fa91a794ea30115ce3ed0e940edb3ccff69a16a888379f5ac46a12afaa4c42

                  • \??\c:\Users\Admin\AppData\Local\Temp\d5pplxag\CSC5CA27E7958FB43B9BA8F4AEDFF411038.TMP

                    MD5

                    361c765e4cfdb4d6cb5a1ae580cf7129

                    SHA1

                    af25ea0a45919077c8326affcebf21045e513f18

                    SHA256

                    a984d8073b720d0f61db16e4be1310864caf238cbc5d1c360998c61ac25b1ebb

                    SHA512

                    4e920edeb4160b4bc49a05c6135685f2bd47200b52f035bb4a6cab650894215009b81cf2f459350f16a6960da2a09951b3534a9b9c79034df02ccaec818ae017

                  • \??\c:\Users\Admin\AppData\Local\Temp\d5pplxag\d5pplxag.0.cs

                    MD5

                    9f8ab7eb0ab21443a2fe06dab341510e

                    SHA1

                    2b88b3116a79e48bab7114e18c9b9674e8a52165

                    SHA256

                    e1a4fbe36125e02e100e729ce92ab74869423da87cb46da6e3c50d7c4410b2d9

                    SHA512

                    53f5dc4c853af5a412fde895635ef4b2de98a165e3546130fdd17a37a5c3b177e21eccf70a5ddf936ac491da2d7e8fcdbc1e564a95ec01b097841aa78869989b

                  • \??\c:\Users\Admin\AppData\Local\Temp\d5pplxag\d5pplxag.cmdline

                    MD5

                    72ba6cbf4ed48401ee9d5e4fe79bf0ee

                    SHA1

                    cb73398b34ec427f13bc2cabb32ed5fba8bc3811

                    SHA256

                    dc8e037f4055f760d3cd20caebee8dd4d8770d378c741a525267c4f8c658ca50

                    SHA512

                    7454830453898811b2c77b5a4f1124cbc37da0179fd9c1e114716ead2b7f8b33583f0c03890c65daed6bfb09a1c8fcb7e309068a52bdc424617e1b9a68f5e346

                  • memory/372-149-0x0000000000000000-mapping.dmp

                  • memory/504-1005-0x0000000000000000-mapping.dmp

                  • memory/660-1012-0x0000000000000000-mapping.dmp

                  • memory/1080-1028-0x0000000000000000-mapping.dmp

                  • memory/1124-1029-0x0000000000000000-mapping.dmp

                  • memory/1204-180-0x0000000000000000-mapping.dmp

                  • memory/1204-190-0x00000000051E2000-0x00000000051E3000-memory.dmp

                    Filesize

                    4KB

                  • memory/1204-189-0x00000000051E0000-0x00000000051E1000-memory.dmp

                    Filesize

                    4KB

                  • memory/1204-182-0x00000000032C0000-0x00000000032C1000-memory.dmp

                    Filesize

                    4KB

                  • memory/1204-181-0x00000000032C0000-0x00000000032C1000-memory.dmp

                    Filesize

                    4KB

                  • memory/1204-194-0x00000000032C0000-0x00000000032C1000-memory.dmp

                    Filesize

                    4KB

                  • memory/1204-282-0x000000007E8B0000-0x000000007E8B1000-memory.dmp

                    Filesize

                    4KB

                  • memory/1628-152-0x0000000000000000-mapping.dmp

                  • memory/1732-967-0x0000000000000000-mapping.dmp

                  • memory/2280-965-0x0000000000000000-mapping.dmp

                  • memory/2708-1011-0x0000000000000000-mapping.dmp

                  • memory/2712-966-0x0000000000000000-mapping.dmp

                  • memory/2880-1013-0x0000000000000000-mapping.dmp

                  • memory/2952-1004-0x0000000000000000-mapping.dmp

                  • memory/3068-1015-0x0000000000000000-mapping.dmp

                  • memory/3200-1008-0x0000000000000000-mapping.dmp

                  • memory/3352-539-0x000000007F230000-0x000000007F231000-memory.dmp

                    Filesize

                    4KB

                  • memory/3352-444-0x0000000006BE0000-0x0000000006BE1000-memory.dmp

                    Filesize

                    4KB

                  • memory/3352-435-0x0000000000000000-mapping.dmp

                  • memory/3352-445-0x0000000006BE2000-0x0000000006BE3000-memory.dmp

                    Filesize

                    4KB

                  • memory/3364-123-0x0000000004C42000-0x0000000004C43000-memory.dmp

                    Filesize

                    4KB

                  • memory/3364-120-0x00000000083D0000-0x00000000083D1000-memory.dmp

                    Filesize

                    4KB

                  • memory/3364-125-0x0000000008BD0000-0x0000000008BD1000-memory.dmp

                    Filesize

                    4KB

                  • memory/3364-115-0x0000000004D47000-0x000000000514D000-memory.dmp

                    Filesize

                    4.0MB

                  • memory/3364-124-0x0000000004C43000-0x0000000004C44000-memory.dmp

                    Filesize

                    4KB

                  • memory/3364-127-0x0000000004C44000-0x0000000004C45000-memory.dmp

                    Filesize

                    4KB

                  • memory/3364-116-0x0000000005150000-0x0000000005552000-memory.dmp

                    Filesize

                    4.0MB

                  • memory/3364-117-0x0000000000400000-0x0000000002FA5000-memory.dmp

                    Filesize

                    43.6MB

                  • memory/3364-122-0x0000000004C40000-0x0000000004C41000-memory.dmp

                    Filesize

                    4KB

                  • memory/3364-121-0x0000000008A10000-0x0000000008A11000-memory.dmp

                    Filesize

                    4KB

                  • memory/3364-126-0x0000000008F50000-0x0000000008F51000-memory.dmp

                    Filesize

                    4KB

                  • memory/3364-118-0x0000000007FD0000-0x00000000083CF000-memory.dmp

                    Filesize

                    4.0MB

                  • memory/3628-1009-0x0000000000000000-mapping.dmp

                  • memory/3720-1010-0x0000000000000000-mapping.dmp

                  • memory/3736-1014-0x0000000000000000-mapping.dmp

                  • memory/3884-702-0x00000000030A2000-0x00000000030A3000-memory.dmp

                    Filesize

                    4KB

                  • memory/3884-700-0x00000000030A0000-0x00000000030A1000-memory.dmp

                    Filesize

                    4KB

                  • memory/3884-726-0x000000007EC30000-0x000000007EC31000-memory.dmp

                    Filesize

                    4KB

                  • memory/3884-686-0x0000000000000000-mapping.dmp

                  • memory/3988-139-0x00000000043F0000-0x00000000043F1000-memory.dmp

                    Filesize

                    4KB

                  • memory/3988-138-0x0000000007EC0000-0x0000000007EC1000-memory.dmp

                    Filesize

                    4KB

                  • memory/3988-148-0x0000000008BA0000-0x0000000008BA1000-memory.dmp

                    Filesize

                    4KB

                  • memory/3988-158-0x00000000043F3000-0x00000000043F4000-memory.dmp

                    Filesize

                    4KB

                  • memory/3988-147-0x0000000009490000-0x0000000009491000-memory.dmp

                    Filesize

                    4KB

                  • memory/3988-143-0x0000000000A00000-0x0000000000A01000-memory.dmp

                    Filesize

                    4KB

                  • memory/3988-141-0x0000000007F10000-0x0000000007F11000-memory.dmp

                    Filesize

                    4KB

                  • memory/3988-179-0x0000000008F90000-0x0000000008F91000-memory.dmp

                    Filesize

                    4KB

                  • memory/3988-140-0x00000000043F2000-0x00000000043F3000-memory.dmp

                    Filesize

                    4KB

                  • memory/3988-156-0x00000000069D0000-0x00000000069D1000-memory.dmp

                    Filesize

                    4KB

                  • memory/3988-137-0x00000000075C0000-0x00000000075C1000-memory.dmp

                    Filesize

                    4KB

                  • memory/3988-136-0x0000000007770000-0x0000000007771000-memory.dmp

                    Filesize

                    4KB

                  • memory/3988-134-0x0000000007490000-0x0000000007491000-memory.dmp

                    Filesize

                    4KB

                  • memory/3988-133-0x00000000073F0000-0x00000000073F1000-memory.dmp

                    Filesize

                    4KB

                  • memory/3988-132-0x0000000006DC0000-0x0000000006DC1000-memory.dmp

                    Filesize

                    4KB

                  • memory/3988-131-0x0000000004350000-0x0000000004351000-memory.dmp

                    Filesize

                    4KB

                  • memory/3988-130-0x0000000000A00000-0x0000000000A01000-memory.dmp

                    Filesize

                    4KB

                  • memory/3988-129-0x0000000000A00000-0x0000000000A01000-memory.dmp

                    Filesize

                    4KB

                  • memory/3988-128-0x0000000000000000-mapping.dmp

                  • memory/3988-1129-0x000000007EBD0000-0x000000007EBD1000-memory.dmp

                    Filesize

                    4KB