Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    07/01/2024, 19:20

General

  • Target

    ab0757415e5a33fde6893ba93d5683ff.exe

  • Size

    512KB

  • MD5

    ab0757415e5a33fde6893ba93d5683ff

  • SHA1

    0836ceb3d65019483a8a1664a80422dffdfec99d

  • SHA256

    677fc2b026079044c61098fc32986c2624095fc78d0f478e74e588a559bba8a0

  • SHA512

    3c13d8a82243d85f1462ad9951abdfe4d07fe3e65e1b63c70f23aebf70a27adaab84c5dff41bcd622d04497ec5e7bb69b0cd5b0ca95e07aab1bcaea6efb63565

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6a:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5n

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies WinLogon 2 TTPs 2 IoCs
  • AutoIT Executable 6 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 21 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 47 IoCs
  • Suspicious use of SendNotifyMessage 34 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\ab0757415e5a33fde6893ba93d5683ff.exe
    "C:\Users\Admin\AppData\Local\Temp\ab0757415e5a33fde6893ba93d5683ff.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2976
    • C:\Windows\SysWOW64\qhwdtwsryw.exe
      qhwdtwsryw.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2788
      • C:\Windows\SysWOW64\ovvnmdik.exe
        C:\Windows\system32\ovvnmdik.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        PID:2576
    • C:\Windows\SysWOW64\hdjjxwslkoevhwr.exe
      hdjjxwslkoevhwr.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2780
    • C:\Windows\SysWOW64\morwnzgotwukd.exe
      morwnzgotwukd.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2732
    • C:\Windows\SysWOW64\ovvnmdik.exe
      ovvnmdik.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2704
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"
      2⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2648
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1280
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Modifies Installed Components in the registry
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:748

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLN.DOC.exe

            Filesize

            512KB

            MD5

            e26430c37624e3ab19713cbd6e699f36

            SHA1

            442d2553e6a3970c4ba5b0c222406182526e14d9

            SHA256

            2153790dad2896fbf0bbecbfbc314b69dfee015a54f0ad96b44889bf9d9c3475

            SHA512

            3fbd87515647e3d08e2b72140d93e07f553674e373d926065ee5e7d106dbd7c204b05a40dc5a3867c21b7002a9b8f4dffd83fc0b98a4dc1d5dd763662e1b6157

          • C:\Windows\SysWOW64\hdjjxwslkoevhwr.exe

            Filesize

            512KB

            MD5

            8405e0885d4d9fbf9ce60826d000fc05

            SHA1

            3d84d9cfa33a37aa41fb2aee90ef8a8815c2140d

            SHA256

            4b43391f1783b9e91299b693eef60b6cfae4076cd51a11c4731412ec4aac1687

            SHA512

            32b8098f401baa9970a942f2ec4493219a7ef2dc7206908bbe0ffe798bdc5efc68412d3c1c75668cd81c976d172c31e5df3faae93d99daec097fda891faeb9f8

          • C:\Windows\SysWOW64\morwnzgotwukd.exe

            Filesize

            512KB

            MD5

            1d9c62eed4cb136dc910fa675ce425e6

            SHA1

            49b8e691539e4e59ed409e4c97fed824d7f5c845

            SHA256

            79db41555862520183452e4bd81eeae8a30c5835d8c0c5cd6557d72cef9b5d24

            SHA512

            8f8959f157a99cc715f20b4b0ee56d9b95660475e6c0806376e2954ef081a030272cf221aabb80485a5fb04db16197e4fecb17c31ccd7ddab182f67edd960179

          • C:\Windows\mydoc.rtf

            Filesize

            223B

            MD5

            06604e5941c126e2e7be02c5cd9f62ec

            SHA1

            4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

            SHA256

            85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

            SHA512

            803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

          • \Windows\SysWOW64\ovvnmdik.exe

            Filesize

            512KB

            MD5

            d7e73bed82caedd8bce03b8dc1dca676

            SHA1

            1719572ca59221b607521eaa7ed11035a9c14740

            SHA256

            1702b5b850227106541acd46ca577db6fe92336c9c4ae096af090397209bf72f

            SHA512

            2897480cd365f9e0994ca2491036f88e9dc1841788212b7ac034933439ef793324f0c9f5c579dd8c8339690ec7e5d1499242654c5fa0b1de86890eff13467093

          • \Windows\SysWOW64\qhwdtwsryw.exe

            Filesize

            512KB

            MD5

            059939daa9e98f9066118896c839ff24

            SHA1

            a5527e8efed7405b25f3e1be2ee6b0e4dde40f5a

            SHA256

            7ab8251cd7bdfc624087a3023bfb97a531104e55beaee657eeaccb54556cd61a

            SHA512

            aed95b23ed4435fce62b6839e0a21e2d3bd784dd0da73fe255405cb0515af34a0f64b9a004ac77e2f36ce6c764d5ae62f59362cda25d0658cfc53b8573ebaba8

          • memory/748-80-0x0000000003CA0000-0x0000000003CA1000-memory.dmp

            Filesize

            4KB

          • memory/748-83-0x0000000003CA0000-0x0000000003CA1000-memory.dmp

            Filesize

            4KB

          • memory/748-88-0x00000000039A0000-0x00000000039B0000-memory.dmp

            Filesize

            64KB

          • memory/2648-45-0x000000002F291000-0x000000002F292000-memory.dmp

            Filesize

            4KB

          • memory/2648-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/2648-47-0x0000000070EDD000-0x0000000070EE8000-memory.dmp

            Filesize

            44KB

          • memory/2648-81-0x0000000070EDD000-0x0000000070EE8000-memory.dmp

            Filesize

            44KB

          • memory/2976-0-0x0000000000400000-0x0000000000496000-memory.dmp

            Filesize

            600KB