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Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    25/03/2024, 17:45

General

  • Target

    de96f95692e27176b74125a40300ba08.exe

  • Size

    1.9MB

  • MD5

    de96f95692e27176b74125a40300ba08

  • SHA1

    472c7dfb79b00e95b68b3ba23c7fb5c14c740053

  • SHA256

    172705adb5ebbb023174bafa12a8c572604258aaf4a3959ec6759c7e3333b7ec

  • SHA512

    9062560007de212f285c1fee05df3b6cd021fcc4367d29b1baf9b0a1158aca484601a57b84e7c4b9c0937336f7a3e6e69fd990f516abd288666edf6aca16e1cc

  • SSDEEP

    24576:sYYiCmMxAtOsBgo0q4wMcCcsp/iKgM4MRM/mXVK67k3GCo27nsISxZvBn2spMBuu:sVWsoHMcCbppx44lK13NAI6736F6Z

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

podzeye.duckdns.org:4422

podzeye.duckdns.org:4442

podzeye.duckdns.org:4433

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • CustAttr .NET packer 1 IoCs

    Detects CustAttr .NET packer in memory.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Suspicious use of SetThreadContext 2 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\de96f95692e27176b74125a40300ba08.exe
    "C:\Users\Admin\AppData\Local\Temp\de96f95692e27176b74125a40300ba08.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2892
    • C:\Users\Admin\AppData\Local\Temp\de96f95692e27176b74125a40300ba08.exe
      "C:\Users\Admin\AppData\Local\Temp\de96f95692e27176b74125a40300ba08.exe"
      2⤵
        PID:2924
      • C:\Users\Admin\AppData\Local\Temp\de96f95692e27176b74125a40300ba08.exe
        "C:\Users\Admin\AppData\Local\Temp\de96f95692e27176b74125a40300ba08.exe"
        2⤵
          PID:2884
        • C:\Users\Admin\AppData\Local\Temp\de96f95692e27176b74125a40300ba08.exe
          "C:\Users\Admin\AppData\Local\Temp\de96f95692e27176b74125a40300ba08.exe"
          2⤵
            PID:2680
          • C:\Users\Admin\AppData\Local\Temp\de96f95692e27176b74125a40300ba08.exe
            "C:\Users\Admin\AppData\Local\Temp\de96f95692e27176b74125a40300ba08.exe"
            2⤵
            • Loads dropped DLL
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:1892
            • C:\Users\Admin\AppData\Local\Temp\System.exe
              "C:\Users\Admin\AppData\Local\Temp\System.exe" 0
              3⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:2704
              • C:\Windows\SysWOW64\schtasks.exe
                "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ToahHiZtj" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCDE9.tmp"
                4⤵
                • Creates scheduled task(s)
                PID:2012
              • C:\Users\Admin\AppData\Local\Temp\System.exe
                "C:\Users\Admin\AppData\Local\Temp\System.exe"
                4⤵
                • Executes dropped EXE
                • Suspicious use of AdjustPrivilegeToken
                PID:2332

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmpCDE9.tmp

          Filesize

          1KB

          MD5

          09f2ca26e4079b4a75446853bac5c811

          SHA1

          3e34739d41c7308dd68408f98b26f4178551fb56

          SHA256

          46d2ec0406b36f4a0ae712c9be9abfce8e880966035c52157beb218d9d93dd4a

          SHA512

          0b71a5127c46cb81131a43583f1cdc1823a9c4a38c1a3a0615bbb0e630803cac8e9fabd4686b9e1cf4dd23797eaed2d73b96573d25beeeb452cf3b234e91dab4

        • \Users\Admin\AppData\Local\Temp\System.exe

          Filesize

          1.1MB

          MD5

          6de6f3b1c646ed699f7e31c0631d0032

          SHA1

          e658e0ddf1d4d5cfbf3a73635ac96682bcfac6cb

          SHA256

          eb054bd6d1a8270815b7aba891b45fad52593e1eb99dfb5052dadb61587e9c45

          SHA512

          21eaa83a95ed1a4902ad06fe450a2fc745c5ebcb7816a9dd4690112910c83130b54a3632aa88ac498055ea33275e3df7373658053c0fbf5290ea3493273c566d

        • memory/1892-10-0x0000000000400000-0x0000000000513000-memory.dmp

          Filesize

          1.1MB

        • memory/1892-27-0x0000000000400000-0x0000000000513000-memory.dmp

          Filesize

          1.1MB

        • memory/1892-19-0x0000000000400000-0x0000000000513000-memory.dmp

          Filesize

          1.1MB

        • memory/1892-15-0x0000000000400000-0x0000000000513000-memory.dmp

          Filesize

          1.1MB

        • memory/1892-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/1892-13-0x0000000000400000-0x0000000000513000-memory.dmp

          Filesize

          1.1MB

        • memory/1892-8-0x0000000000400000-0x0000000000513000-memory.dmp

          Filesize

          1.1MB

        • memory/1892-9-0x0000000000400000-0x0000000000513000-memory.dmp

          Filesize

          1.1MB

        • memory/2332-48-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2332-41-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/2332-60-0x0000000004D90000-0x0000000004DD0000-memory.dmp

          Filesize

          256KB

        • memory/2332-59-0x00000000740D0000-0x00000000747BE000-memory.dmp

          Filesize

          6.9MB

        • memory/2332-58-0x0000000004D90000-0x0000000004DD0000-memory.dmp

          Filesize

          256KB

        • memory/2332-57-0x00000000740D0000-0x00000000747BE000-memory.dmp

          Filesize

          6.9MB

        • memory/2332-55-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/2332-53-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/2332-43-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/2332-45-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/2332-46-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/2332-50-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/2704-29-0x00000000740D0000-0x00000000747BE000-memory.dmp

          Filesize

          6.9MB

        • memory/2704-28-0x0000000001330000-0x0000000001444000-memory.dmp

          Filesize

          1.1MB

        • memory/2704-34-0x0000000000570000-0x0000000000582000-memory.dmp

          Filesize

          72KB

        • memory/2704-56-0x00000000740D0000-0x00000000747BE000-memory.dmp

          Filesize

          6.9MB

        • memory/2704-32-0x0000000004F60000-0x0000000004FA0000-memory.dmp

          Filesize

          256KB

        • memory/2704-33-0x0000000004ED0000-0x0000000004F2A000-memory.dmp

          Filesize

          360KB

        • memory/2704-31-0x00000000740D0000-0x00000000747BE000-memory.dmp

          Filesize

          6.9MB

        • memory/2704-30-0x0000000004F60000-0x0000000004FA0000-memory.dmp

          Filesize

          256KB

        • memory/2892-7-0x0000000005AE0000-0x0000000005BFA000-memory.dmp

          Filesize

          1.1MB

        • memory/2892-0-0x00000000001C0000-0x00000000003B0000-memory.dmp

          Filesize

          1.9MB

        • memory/2892-2-0x0000000004BE0000-0x0000000004C20000-memory.dmp

          Filesize

          256KB

        • memory/2892-1-0x0000000074940000-0x000000007502E000-memory.dmp

          Filesize

          6.9MB

        • memory/2892-3-0x00000000004D0000-0x00000000004E2000-memory.dmp

          Filesize

          72KB

        • memory/2892-4-0x0000000074940000-0x000000007502E000-memory.dmp

          Filesize

          6.9MB

        • memory/2892-16-0x0000000074940000-0x000000007502E000-memory.dmp

          Filesize

          6.9MB

        • memory/2892-5-0x0000000004BE0000-0x0000000004C20000-memory.dmp

          Filesize

          256KB

        • memory/2892-6-0x00000000059B0000-0x0000000005AE2000-memory.dmp

          Filesize

          1.2MB