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Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-1703_x64
  • resource
    win10-20220901-en
  • resource tags

    arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
  • submitted
    04/10/2022, 19:20

General

  • Target

    16dba8dd69c799dcd1fd5e3721bbe3b1373e07fa8b5084a3b5faa842732379d9.exe

  • Size

    731KB

  • MD5

    3982e000943ad92fe9604de3cf0aa7f0

  • SHA1

    b63436983eb94f9dc992255a79f256af32f6851c

  • SHA256

    16dba8dd69c799dcd1fd5e3721bbe3b1373e07fa8b5084a3b5faa842732379d9

  • SHA512

    e9357997a146575d0c2a4f96523afe314ec214004ed70cede56cfeb15d3b701283ab12421ffa42ad848377d8d91c4291875e90a3bc5a0d0ef0d398feff1444d1

  • SSDEEP

    768:rZmchlXKGREW6VA6joSRhFH+C9Pe2auEqainmngYWxuv8Gwmwoe9R4ZstojtfcWv:schl6M+lpDCUoHid0bIrlyR

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 9 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Creates scheduled task(s) 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\16dba8dd69c799dcd1fd5e3721bbe3b1373e07fa8b5084a3b5faa842732379d9.exe
    "C:\Users\Admin\AppData\Local\Temp\16dba8dd69c799dcd1fd5e3721bbe3b1373e07fa8b5084a3b5faa842732379d9.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2844
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 1251 & powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost" & powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\HostData"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4348
      • C:\Windows\SysWOW64\chcp.com
        chcp 1251
        3⤵
          PID:2984
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath "$ENV:USERPROFILE\Desktop"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4616
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath "C:\ProgramData\Dllhost"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2948
      • C:\ProgramData\Dllhost\dllhost.exe
        "C:\ProgramData\Dllhost\dllhost.exe"
        2⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3852
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3948
          • C:\Windows\SysWOW64\schtasks.exe
            SCHTASKS /CREATE /SC HOURLY /TN "SecurityHealthSystray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            4⤵
            • Creates scheduled task(s)
            PID:228
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefender" /TR "C:\ProgramData\Dllhost\dllhost.exe"
          3⤵
            PID:3856
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:5004
            • C:\Windows\SysWOW64\schtasks.exe
              SCHTASKS /CREATE /SC HOURLY /TN "WmiPrvSE" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              4⤵
              • Creates scheduled task(s)
              PID:232
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareServiceExecutable" /TR "C:\ProgramData\Dllhost\dllhost.exe"
            3⤵
              PID:4504
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "dllhost" /TR "C:\ProgramData\Dllhost\dllhost.exe"
              3⤵
                PID:3728
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "OneDriveService" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                3⤵
                  PID:4980
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:3164
                  • C:\Windows\SysWOW64\schtasks.exe
                    SCHTASKS /CREATE /SC HOURLY /TN "NvStray" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    4⤵
                    • Creates scheduled task(s)
                    PID:1700
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:2212
                  • C:\Windows\SysWOW64\schtasks.exe
                    SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftEdgeUpd" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    4⤵
                    • Creates scheduled task(s)
                    PID:32
                • C:\Windows\SysWOW64\cmd.exe
                  "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "WindowsDefenderServices\WindowsDefenderServicesService_bk320" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                  3⤵
                    PID:4976
                  • C:\Windows\SysWOW64\cmd.exe
                    "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "SettingSysHost\SettingSysHostService_bk182" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                    3⤵
                      PID:3212
                    • C:\Windows\SysWOW64\cmd.exe
                      "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "MicrosoftUpdateServices\MicrosoftUpdateServicesService_bk7462" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                      3⤵
                        PID:4436
                      • C:\Windows\SysWOW64\cmd.exe
                        "cmd.exe" /c SCHTASKS /CREATE /SC HOURLY /TN "AntiMalwareSericeExecutable\AntiMalwareSericeExecutableService_bk7966" /TR "C:\ProgramData\Dllhost\dllhost.exe"
                        3⤵
                          PID:4920
                        • C:\Windows\SysWOW64\cmd.exe
                          "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                          3⤵
                            PID:856
                            • C:\Windows\SysWOW64\chcp.com
                              chcp 1251
                              4⤵
                                PID:5088
                            • C:\Windows\SysWOW64\cmd.exe
                              "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                              3⤵
                                PID:1532
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 1251
                                  4⤵
                                    PID:4948
                                • C:\Windows\SysWOW64\cmd.exe
                                  "cmd.exe" /c chcp 1251 & C:\ProgramData\Dllhost\winlogson.exe --config msi.bin --log off
                                  3⤵
                                    PID:1720
                                    • C:\Windows\SysWOW64\chcp.com
                                      chcp 1251
                                      4⤵
                                        PID:4708

                                Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

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                                Downloads

                                • C:\ProgramData\Dllhost\dllhost.exe

                                  Filesize

                                  949KB

                                  MD5

                                  83a6badd502c6bfb57bf82bd6db149f4

                                  SHA1

                                  c4b8a5756d3dc409184c679cb0fb074b7aa543d6

                                  SHA256

                                  a013a327daffca3c4ad4ffa31eb88bd2fc0f2033ca34d3c1a27c18781525ac0a

                                  SHA512

                                  f103b95cd647c1ddad7ff41d362cc7e46c9680610c7e477cd78e41fa74468c3274fa519535b28258819c3fde4c5e9fba81a4c389a7449f261f56bdff91b86d0f

                                • C:\ProgramData\Dllhost\dllhost.exe

                                  Filesize

                                  949KB

                                  MD5

                                  83a6badd502c6bfb57bf82bd6db149f4

                                  SHA1

                                  c4b8a5756d3dc409184c679cb0fb074b7aa543d6

                                  SHA256

                                  a013a327daffca3c4ad4ffa31eb88bd2fc0f2033ca34d3c1a27c18781525ac0a

                                  SHA512

                                  f103b95cd647c1ddad7ff41d362cc7e46c9680610c7e477cd78e41fa74468c3274fa519535b28258819c3fde4c5e9fba81a4c389a7449f261f56bdff91b86d0f

                                • C:\ProgramData\HostData\logs.uce

                                  Filesize

                                  497B

                                  MD5

                                  13fda2ab01b83a5130842a5bab3892d3

                                  SHA1

                                  6e18e4b467cde054a63a95d4dfc030f156ecd215

                                  SHA256

                                  76973d42c8fceceab7ec85b3d01b218db92564993e93a9bea31c52aa73aeee9e

                                  SHA512

                                  c51f9fd6e452fbeeedd4dfaba3c7c887e337f01e68abdd27d4032f8be85def7ef3cf0c77bf60e425b085b76c0539464c6b6e5e805a69397c5519e8ccf9fffccc

                                • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

                                  Filesize

                                  2KB

                                  MD5

                                  1c19c16e21c97ed42d5beabc93391fc5

                                  SHA1

                                  8ad83f8e0b3acf8dfbbf87931e41f0d664c4df68

                                  SHA256

                                  1bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05

                                  SHA512

                                  7d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c

                                • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

                                  Filesize

                                  18KB

                                  MD5

                                  a4beb649432dc5a4629f9e1dddcd0f4e

                                  SHA1

                                  c3483b0e6498088ca466b496d379f50e3a630d36

                                  SHA256

                                  1360240ad1ce491dfd214026542817e38c88e730ba4b252d4a8c128d1eeef0b4

                                  SHA512

                                  c15237f683b2b930289a9b8f1fcd55fb9c40137394df482013b5d7781cb21a256bbb5da34fb671323cfd352250e7993e6f73d414e7991c6f141b41be2eb03b7b

                                • memory/2844-149-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-163-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-121-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-136-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-137-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-139-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-138-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-140-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-141-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-142-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-143-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-144-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-145-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-146-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-147-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-148-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-120-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-150-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-151-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-152-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-153-0x00000000000B0000-0x0000000000158000-memory.dmp

                                  Filesize

                                  672KB

                                • memory/2844-154-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-155-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-156-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-157-0x0000000004F40000-0x000000000543E000-memory.dmp

                                  Filesize

                                  5.0MB

                                • memory/2844-158-0x0000000004990000-0x0000000004A22000-memory.dmp

                                  Filesize

                                  584KB

                                • memory/2844-159-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-160-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-161-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-162-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-122-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-164-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-165-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-166-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-167-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-168-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-169-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-170-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-171-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-172-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-174-0x0000000004980000-0x000000000498A000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/2844-173-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-123-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-124-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-125-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-126-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-127-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-128-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-129-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-130-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-131-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-132-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-175-0x0000000004BB0000-0x0000000004C16000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/2844-134-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-135-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2844-133-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2948-646-0x0000000009B30000-0x0000000009BD5000-memory.dmp

                                  Filesize

                                  660KB

                                • memory/2948-591-0x0000000008B80000-0x0000000008BCB000-memory.dmp

                                  Filesize

                                  300KB

                                • memory/2948-588-0x0000000008130000-0x0000000008480000-memory.dmp

                                  Filesize

                                  3.3MB

                                • memory/2984-183-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2984-189-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2984-185-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2984-186-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2984-188-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2984-184-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/2984-187-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/3852-655-0x0000000000BE0000-0x0000000000C90000-memory.dmp

                                  Filesize

                                  704KB

                                • memory/4348-177-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4348-181-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4348-180-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4348-179-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4348-178-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4616-289-0x0000000009150000-0x000000000916E000-memory.dmp

                                  Filesize

                                  120KB

                                • memory/4616-271-0x00000000080E0000-0x000000000812B000-memory.dmp

                                  Filesize

                                  300KB

                                • memory/4616-510-0x0000000007DE0000-0x0000000007DE8000-memory.dmp

                                  Filesize

                                  32KB

                                • memory/4616-505-0x0000000007DF0000-0x0000000007E0A000-memory.dmp

                                  Filesize

                                  104KB

                                • memory/4616-302-0x0000000009460000-0x00000000094F4000-memory.dmp

                                  Filesize

                                  592KB

                                • memory/4616-298-0x00000000091B0000-0x0000000009255000-memory.dmp

                                  Filesize

                                  660KB

                                • memory/4616-288-0x0000000009170000-0x00000000091A3000-memory.dmp

                                  Filesize

                                  204KB

                                • memory/4616-191-0x0000000077320000-0x00000000774AE000-memory.dmp

                                  Filesize

                                  1.6MB

                                • memory/4616-275-0x0000000008050000-0x00000000080C6000-memory.dmp

                                  Filesize

                                  472KB

                                • memory/4616-226-0x0000000001110000-0x0000000001146000-memory.dmp

                                  Filesize

                                  216KB

                                • memory/4616-231-0x00000000073B0000-0x00000000079D8000-memory.dmp

                                  Filesize

                                  6.2MB

                                • memory/4616-270-0x0000000004C30000-0x0000000004C4C000-memory.dmp

                                  Filesize

                                  112KB

                                • memory/4616-263-0x00000000079E0000-0x0000000007D30000-memory.dmp

                                  Filesize

                                  3.3MB

                                • memory/4616-257-0x0000000007080000-0x00000000070E6000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/4616-255-0x0000000006FE0000-0x0000000007002000-memory.dmp

                                  Filesize

                                  136KB