Analysis

  • max time kernel
    118s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    07/10/2023, 12:28

General

  • Target

    NEAS.72e81f63c1ce3ff92f4a7f33c75a1c707392988def8901ab922efe607271c17f_JC.exe

  • Size

    1.2MB

  • MD5

    d39519f7684e4043c3e672c9ce96ea49

  • SHA1

    3e4cf0d43c44d40bf131fa4b49987fc5fde96f5c

  • SHA256

    72e81f63c1ce3ff92f4a7f33c75a1c707392988def8901ab922efe607271c17f

  • SHA512

    0e715324684d1500e8654b1073fe76e1fa38c48e35d9f896fd3291d6e2e09162180c00482855a5553d092823eebfc004586727ccceaf5377fbe1f7d2828d912e

  • SSDEEP

    24576:SyXl3fcp08vX+Aqpp+L0ZLxWnN3GAe7pY/nF1SBs:5XtfMdvX9qjv0naO/zo

Malware Config

Signatures

  • Detect Mystic stealer payload 6 IoCs
  • Mystic

    Mystic is an infostealer written in C++.

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 15 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 2 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.72e81f63c1ce3ff92f4a7f33c75a1c707392988def8901ab922efe607271c17f_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.72e81f63c1ce3ff92f4a7f33c75a1c707392988def8901ab922efe607271c17f_JC.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2076
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\QV4hF4Wu.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\QV4hF4Wu.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2460
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Uv5AA4KK.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Uv5AA4KK.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1992
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Vb2Nb0zR.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Vb2Nb0zR.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:1288
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\eq4yI0eE.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\eq4yI0eE.exe
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Adds Run key to start application
            • Suspicious use of WriteProcessMemory
            PID:2736
            • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1mr53WH1.exe
              C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1mr53WH1.exe
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:1704
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:2660
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2660 -s 268
                  8⤵
                  • Program crash
                  PID:2760
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1704 -s 284
                7⤵
                • Loads dropped DLL
                • Program crash
                PID:2588

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\QV4hF4Wu.exe

    Filesize

    1.0MB

    MD5

    4b2f60d92ce938c33f1c3df38b7373f2

    SHA1

    213e759ede3b91cac8bc4995c740e9bdd323f4c4

    SHA256

    77a80748c6ea1a9eace3e198c4a7c3e6ee521b4f092b5fd38e7818139f6204b5

    SHA512

    bc0da38b3312688b17eed9a7613e1f4f8e58ab80ccdbde977c60f6f7395d16dc10daba429d0a33ab163d9ca38a98ad58ffd510d9eb599a807a33dfc9fa93f60d

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\QV4hF4Wu.exe

    Filesize

    1.0MB

    MD5

    4b2f60d92ce938c33f1c3df38b7373f2

    SHA1

    213e759ede3b91cac8bc4995c740e9bdd323f4c4

    SHA256

    77a80748c6ea1a9eace3e198c4a7c3e6ee521b4f092b5fd38e7818139f6204b5

    SHA512

    bc0da38b3312688b17eed9a7613e1f4f8e58ab80ccdbde977c60f6f7395d16dc10daba429d0a33ab163d9ca38a98ad58ffd510d9eb599a807a33dfc9fa93f60d

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Uv5AA4KK.exe

    Filesize

    884KB

    MD5

    aee5889d7a6e3bb9b8e7d8989b2b4bdd

    SHA1

    12567494309369bb902bf4d13f66a6c57ff6149d

    SHA256

    3c47d4d72a38e9bc6761e47d9e0e51429f2c67ffdd939c07a664efe29c9cd5e8

    SHA512

    2e85c20244c3a51c762076fedcacb87c32af1702da61c1db00889736781c64eaaf03dc44dd9f6219155886bf899a90f17db1ee49ef29c6b035f4b1d5dc6f316c

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Uv5AA4KK.exe

    Filesize

    884KB

    MD5

    aee5889d7a6e3bb9b8e7d8989b2b4bdd

    SHA1

    12567494309369bb902bf4d13f66a6c57ff6149d

    SHA256

    3c47d4d72a38e9bc6761e47d9e0e51429f2c67ffdd939c07a664efe29c9cd5e8

    SHA512

    2e85c20244c3a51c762076fedcacb87c32af1702da61c1db00889736781c64eaaf03dc44dd9f6219155886bf899a90f17db1ee49ef29c6b035f4b1d5dc6f316c

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Vb2Nb0zR.exe

    Filesize

    590KB

    MD5

    b35f3858aa1170e2f95ec1c4b3261bd6

    SHA1

    a039c19ce6e7b23eb63f353612f0d50e8ad8bf3a

    SHA256

    271c94f6bca64d703ef5ac1bc9fabf62fa9450877570b9aa432be14bea668801

    SHA512

    169195a7b28112c54ba7e5056a9c56bacfc786abdcd0ba394c6f479e603ed447e239013aec15e82d78390c0a4e38760c582b43053570d5e3e35b74451722d586

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Vb2Nb0zR.exe

    Filesize

    590KB

    MD5

    b35f3858aa1170e2f95ec1c4b3261bd6

    SHA1

    a039c19ce6e7b23eb63f353612f0d50e8ad8bf3a

    SHA256

    271c94f6bca64d703ef5ac1bc9fabf62fa9450877570b9aa432be14bea668801

    SHA512

    169195a7b28112c54ba7e5056a9c56bacfc786abdcd0ba394c6f479e603ed447e239013aec15e82d78390c0a4e38760c582b43053570d5e3e35b74451722d586

  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\eq4yI0eE.exe

    Filesize

    417KB

    MD5

    e5b8819ec3bfdb4f9d0d1660cfd09f33

    SHA1

    83e4326fd253165d1e82bfe1cf437a53d4f1f4e0

    SHA256

    6dc9cfd058ef5ddbcfeee6c32e8c6d968cfba7b8a78a020fa30abd612bd964f4

    SHA512

    25f55829bc69303fda0e0d3fdf4bad33c5c85b40ff6690fce48396a77c7e4256390d09bb48b375568b4556aca1bb498edf09596efade7c2fc1a5260c5583e298

  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\eq4yI0eE.exe

    Filesize

    417KB

    MD5

    e5b8819ec3bfdb4f9d0d1660cfd09f33

    SHA1

    83e4326fd253165d1e82bfe1cf437a53d4f1f4e0

    SHA256

    6dc9cfd058ef5ddbcfeee6c32e8c6d968cfba7b8a78a020fa30abd612bd964f4

    SHA512

    25f55829bc69303fda0e0d3fdf4bad33c5c85b40ff6690fce48396a77c7e4256390d09bb48b375568b4556aca1bb498edf09596efade7c2fc1a5260c5583e298

  • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1mr53WH1.exe

    Filesize

    378KB

    MD5

    f0831f173733de08511f3a0739f278a6

    SHA1

    06dc809d653c5d2c97386084ae13b50a73eb5b60

    SHA256

    8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

    SHA512

    19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

  • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1mr53WH1.exe

    Filesize

    378KB

    MD5

    f0831f173733de08511f3a0739f278a6

    SHA1

    06dc809d653c5d2c97386084ae13b50a73eb5b60

    SHA256

    8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

    SHA512

    19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

  • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1mr53WH1.exe

    Filesize

    378KB

    MD5

    f0831f173733de08511f3a0739f278a6

    SHA1

    06dc809d653c5d2c97386084ae13b50a73eb5b60

    SHA256

    8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

    SHA512

    19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\QV4hF4Wu.exe

    Filesize

    1.0MB

    MD5

    4b2f60d92ce938c33f1c3df38b7373f2

    SHA1

    213e759ede3b91cac8bc4995c740e9bdd323f4c4

    SHA256

    77a80748c6ea1a9eace3e198c4a7c3e6ee521b4f092b5fd38e7818139f6204b5

    SHA512

    bc0da38b3312688b17eed9a7613e1f4f8e58ab80ccdbde977c60f6f7395d16dc10daba429d0a33ab163d9ca38a98ad58ffd510d9eb599a807a33dfc9fa93f60d

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\QV4hF4Wu.exe

    Filesize

    1.0MB

    MD5

    4b2f60d92ce938c33f1c3df38b7373f2

    SHA1

    213e759ede3b91cac8bc4995c740e9bdd323f4c4

    SHA256

    77a80748c6ea1a9eace3e198c4a7c3e6ee521b4f092b5fd38e7818139f6204b5

    SHA512

    bc0da38b3312688b17eed9a7613e1f4f8e58ab80ccdbde977c60f6f7395d16dc10daba429d0a33ab163d9ca38a98ad58ffd510d9eb599a807a33dfc9fa93f60d

  • \Users\Admin\AppData\Local\Temp\IXP001.TMP\Uv5AA4KK.exe

    Filesize

    884KB

    MD5

    aee5889d7a6e3bb9b8e7d8989b2b4bdd

    SHA1

    12567494309369bb902bf4d13f66a6c57ff6149d

    SHA256

    3c47d4d72a38e9bc6761e47d9e0e51429f2c67ffdd939c07a664efe29c9cd5e8

    SHA512

    2e85c20244c3a51c762076fedcacb87c32af1702da61c1db00889736781c64eaaf03dc44dd9f6219155886bf899a90f17db1ee49ef29c6b035f4b1d5dc6f316c

  • \Users\Admin\AppData\Local\Temp\IXP001.TMP\Uv5AA4KK.exe

    Filesize

    884KB

    MD5

    aee5889d7a6e3bb9b8e7d8989b2b4bdd

    SHA1

    12567494309369bb902bf4d13f66a6c57ff6149d

    SHA256

    3c47d4d72a38e9bc6761e47d9e0e51429f2c67ffdd939c07a664efe29c9cd5e8

    SHA512

    2e85c20244c3a51c762076fedcacb87c32af1702da61c1db00889736781c64eaaf03dc44dd9f6219155886bf899a90f17db1ee49ef29c6b035f4b1d5dc6f316c

  • \Users\Admin\AppData\Local\Temp\IXP002.TMP\Vb2Nb0zR.exe

    Filesize

    590KB

    MD5

    b35f3858aa1170e2f95ec1c4b3261bd6

    SHA1

    a039c19ce6e7b23eb63f353612f0d50e8ad8bf3a

    SHA256

    271c94f6bca64d703ef5ac1bc9fabf62fa9450877570b9aa432be14bea668801

    SHA512

    169195a7b28112c54ba7e5056a9c56bacfc786abdcd0ba394c6f479e603ed447e239013aec15e82d78390c0a4e38760c582b43053570d5e3e35b74451722d586

  • \Users\Admin\AppData\Local\Temp\IXP002.TMP\Vb2Nb0zR.exe

    Filesize

    590KB

    MD5

    b35f3858aa1170e2f95ec1c4b3261bd6

    SHA1

    a039c19ce6e7b23eb63f353612f0d50e8ad8bf3a

    SHA256

    271c94f6bca64d703ef5ac1bc9fabf62fa9450877570b9aa432be14bea668801

    SHA512

    169195a7b28112c54ba7e5056a9c56bacfc786abdcd0ba394c6f479e603ed447e239013aec15e82d78390c0a4e38760c582b43053570d5e3e35b74451722d586

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\eq4yI0eE.exe

    Filesize

    417KB

    MD5

    e5b8819ec3bfdb4f9d0d1660cfd09f33

    SHA1

    83e4326fd253165d1e82bfe1cf437a53d4f1f4e0

    SHA256

    6dc9cfd058ef5ddbcfeee6c32e8c6d968cfba7b8a78a020fa30abd612bd964f4

    SHA512

    25f55829bc69303fda0e0d3fdf4bad33c5c85b40ff6690fce48396a77c7e4256390d09bb48b375568b4556aca1bb498edf09596efade7c2fc1a5260c5583e298

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\eq4yI0eE.exe

    Filesize

    417KB

    MD5

    e5b8819ec3bfdb4f9d0d1660cfd09f33

    SHA1

    83e4326fd253165d1e82bfe1cf437a53d4f1f4e0

    SHA256

    6dc9cfd058ef5ddbcfeee6c32e8c6d968cfba7b8a78a020fa30abd612bd964f4

    SHA512

    25f55829bc69303fda0e0d3fdf4bad33c5c85b40ff6690fce48396a77c7e4256390d09bb48b375568b4556aca1bb498edf09596efade7c2fc1a5260c5583e298

  • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1mr53WH1.exe

    Filesize

    378KB

    MD5

    f0831f173733de08511f3a0739f278a6

    SHA1

    06dc809d653c5d2c97386084ae13b50a73eb5b60

    SHA256

    8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

    SHA512

    19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

  • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1mr53WH1.exe

    Filesize

    378KB

    MD5

    f0831f173733de08511f3a0739f278a6

    SHA1

    06dc809d653c5d2c97386084ae13b50a73eb5b60

    SHA256

    8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

    SHA512

    19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

  • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1mr53WH1.exe

    Filesize

    378KB

    MD5

    f0831f173733de08511f3a0739f278a6

    SHA1

    06dc809d653c5d2c97386084ae13b50a73eb5b60

    SHA256

    8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

    SHA512

    19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

  • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1mr53WH1.exe

    Filesize

    378KB

    MD5

    f0831f173733de08511f3a0739f278a6

    SHA1

    06dc809d653c5d2c97386084ae13b50a73eb5b60

    SHA256

    8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

    SHA512

    19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

  • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1mr53WH1.exe

    Filesize

    378KB

    MD5

    f0831f173733de08511f3a0739f278a6

    SHA1

    06dc809d653c5d2c97386084ae13b50a73eb5b60

    SHA256

    8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

    SHA512

    19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

  • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1mr53WH1.exe

    Filesize

    378KB

    MD5

    f0831f173733de08511f3a0739f278a6

    SHA1

    06dc809d653c5d2c97386084ae13b50a73eb5b60

    SHA256

    8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

    SHA512

    19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

  • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1mr53WH1.exe

    Filesize

    378KB

    MD5

    f0831f173733de08511f3a0739f278a6

    SHA1

    06dc809d653c5d2c97386084ae13b50a73eb5b60

    SHA256

    8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

    SHA512

    19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

  • memory/2660-63-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2660-61-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/2660-53-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/2660-64-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/2660-66-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/2660-68-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/2660-59-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/2660-57-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/2660-54-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB

  • memory/2660-55-0x0000000000400000-0x0000000000428000-memory.dmp

    Filesize

    160KB