Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    07-10-2023 13:30

General

  • Target

    NEAS.bf7afa9679932b1c5be2688ae8a45e9d395c9f023919353c1b7a418c3f554106_JC.exe

  • Size

    1.2MB

  • MD5

    c40662d71abe74b77c23f41782c4563b

  • SHA1

    a96324486d25f0ed772df1830ac7c639ca333675

  • SHA256

    bf7afa9679932b1c5be2688ae8a45e9d395c9f023919353c1b7a418c3f554106

  • SHA512

    52d68bfbe8663e679caa45eeacc2173e4a21d6367357698f58b3a4b24699ac761ada9f585e32c8aa48123014f4c975f6502d26c84fe6852d71126bb854175280

  • SSDEEP

    24576:DyIJ4p1D4ZfVq1jEh+LXLMsVTt0QNgCNVsYK934QG9w6Og:WxofQj6XWTtoCD84np

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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.bf7afa9679932b1c5be2688ae8a45e9d395c9f023919353c1b7a418c3f554106_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.bf7afa9679932b1c5be2688ae8a45e9d395c9f023919353c1b7a418c3f554106_JC.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2092
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\iM2XE4Rc.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\iM2XE4Rc.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1980
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Nh1WE5wn.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Nh1WE5wn.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1888
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\xe5cD4Nc.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\xe5cD4Nc.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:2084
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\os4pE7AX.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\os4pE7AX.exe
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Adds Run key to start application
            • Suspicious use of WriteProcessMemory
            PID:2112
            • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1wJ96jf8.exe
              C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1wJ96jf8.exe
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:2724
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                7⤵
                  PID:2288
                • 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:2108
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2108 -s 268
                    8⤵
                    • Program crash
                    PID:2876
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2724 -s 292
                  7⤵
                  • Loads dropped DLL
                  • Program crash
                  PID:2612

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\iM2XE4Rc.exe
      Filesize

      1.0MB

      MD5

      1042b3e1c325040371c314ebc88a3fb7

      SHA1

      9ae59ff5ba8d885474b5bc735751ecf6e901aeab

      SHA256

      25772d9460e5b8d2d3d88b0c2e47c622856e5aaedae397e1eaa31b3fd2d66090

      SHA512

      f0706a8769e955a25ad2bfdbc08f59ed4534146fae87e1761136fcdd2521fce164fd8afaadf2e4f26974b19ec60147bdb5c6773cfd92472a01121bad78614347

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\iM2XE4Rc.exe
      Filesize

      1.0MB

      MD5

      1042b3e1c325040371c314ebc88a3fb7

      SHA1

      9ae59ff5ba8d885474b5bc735751ecf6e901aeab

      SHA256

      25772d9460e5b8d2d3d88b0c2e47c622856e5aaedae397e1eaa31b3fd2d66090

      SHA512

      f0706a8769e955a25ad2bfdbc08f59ed4534146fae87e1761136fcdd2521fce164fd8afaadf2e4f26974b19ec60147bdb5c6773cfd92472a01121bad78614347

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Nh1WE5wn.exe
      Filesize

      884KB

      MD5

      6e400eb9459b79a5a9a56b0a9499e29a

      SHA1

      d0e6234df27ac02318c7234ffbf6d100b47334e4

      SHA256

      e0897ef19e52f85a6e0d343d39800255d7e08e3502cbd5b5bddb34320f85c77b

      SHA512

      0442bca7908b03d3c2d532df4b52f19e6f28e1d0e37de9745410dce886a6e9606681d14ea12fc6700f0f8a6413b8cebe8dec55803ce1341b91e0186d1dfbb54f

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Nh1WE5wn.exe
      Filesize

      884KB

      MD5

      6e400eb9459b79a5a9a56b0a9499e29a

      SHA1

      d0e6234df27ac02318c7234ffbf6d100b47334e4

      SHA256

      e0897ef19e52f85a6e0d343d39800255d7e08e3502cbd5b5bddb34320f85c77b

      SHA512

      0442bca7908b03d3c2d532df4b52f19e6f28e1d0e37de9745410dce886a6e9606681d14ea12fc6700f0f8a6413b8cebe8dec55803ce1341b91e0186d1dfbb54f

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\xe5cD4Nc.exe
      Filesize

      590KB

      MD5

      3686a6baeb741d7149fe70868e4fb4d9

      SHA1

      1324b652e57bf99aafa4d89530219218e6d2ff9a

      SHA256

      038a9e7c646d1e874a99553526eca18c07ac69cc592e88484a4089db196a55e4

      SHA512

      49201327c2c96d390d400b86e31f4b96a68b21dc80fd3fb3a9e700e94001a2a68dcaf5e20b10583a38db35984d1d90491ad5b2f4a2b9d6d6310b73856d16f3e1

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\xe5cD4Nc.exe
      Filesize

      590KB

      MD5

      3686a6baeb741d7149fe70868e4fb4d9

      SHA1

      1324b652e57bf99aafa4d89530219218e6d2ff9a

      SHA256

      038a9e7c646d1e874a99553526eca18c07ac69cc592e88484a4089db196a55e4

      SHA512

      49201327c2c96d390d400b86e31f4b96a68b21dc80fd3fb3a9e700e94001a2a68dcaf5e20b10583a38db35984d1d90491ad5b2f4a2b9d6d6310b73856d16f3e1

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\os4pE7AX.exe
      Filesize

      417KB

      MD5

      ec80d5c154baf30f23f9d0fcc40ace02

      SHA1

      e5e5c37411a8abe82a94c68b63c0d7363b4b2121

      SHA256

      5969f82c6fc9f28308ff26894c66277dac48e9a1f4a27a4f7e00364b720a29e4

      SHA512

      b835e040a7ee9530c0cf8cc1d33247a553e6fdda7cb53a05aac370719e5f50890734d3e0245c7d8642bf2e060d8a1f4e45b1cf470528c711890f04961e77942f

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\os4pE7AX.exe
      Filesize

      417KB

      MD5

      ec80d5c154baf30f23f9d0fcc40ace02

      SHA1

      e5e5c37411a8abe82a94c68b63c0d7363b4b2121

      SHA256

      5969f82c6fc9f28308ff26894c66277dac48e9a1f4a27a4f7e00364b720a29e4

      SHA512

      b835e040a7ee9530c0cf8cc1d33247a553e6fdda7cb53a05aac370719e5f50890734d3e0245c7d8642bf2e060d8a1f4e45b1cf470528c711890f04961e77942f

    • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1wJ96jf8.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1wJ96jf8.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1wJ96jf8.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP000.TMP\iM2XE4Rc.exe
      Filesize

      1.0MB

      MD5

      1042b3e1c325040371c314ebc88a3fb7

      SHA1

      9ae59ff5ba8d885474b5bc735751ecf6e901aeab

      SHA256

      25772d9460e5b8d2d3d88b0c2e47c622856e5aaedae397e1eaa31b3fd2d66090

      SHA512

      f0706a8769e955a25ad2bfdbc08f59ed4534146fae87e1761136fcdd2521fce164fd8afaadf2e4f26974b19ec60147bdb5c6773cfd92472a01121bad78614347

    • \Users\Admin\AppData\Local\Temp\IXP000.TMP\iM2XE4Rc.exe
      Filesize

      1.0MB

      MD5

      1042b3e1c325040371c314ebc88a3fb7

      SHA1

      9ae59ff5ba8d885474b5bc735751ecf6e901aeab

      SHA256

      25772d9460e5b8d2d3d88b0c2e47c622856e5aaedae397e1eaa31b3fd2d66090

      SHA512

      f0706a8769e955a25ad2bfdbc08f59ed4534146fae87e1761136fcdd2521fce164fd8afaadf2e4f26974b19ec60147bdb5c6773cfd92472a01121bad78614347

    • \Users\Admin\AppData\Local\Temp\IXP001.TMP\Nh1WE5wn.exe
      Filesize

      884KB

      MD5

      6e400eb9459b79a5a9a56b0a9499e29a

      SHA1

      d0e6234df27ac02318c7234ffbf6d100b47334e4

      SHA256

      e0897ef19e52f85a6e0d343d39800255d7e08e3502cbd5b5bddb34320f85c77b

      SHA512

      0442bca7908b03d3c2d532df4b52f19e6f28e1d0e37de9745410dce886a6e9606681d14ea12fc6700f0f8a6413b8cebe8dec55803ce1341b91e0186d1dfbb54f

    • \Users\Admin\AppData\Local\Temp\IXP001.TMP\Nh1WE5wn.exe
      Filesize

      884KB

      MD5

      6e400eb9459b79a5a9a56b0a9499e29a

      SHA1

      d0e6234df27ac02318c7234ffbf6d100b47334e4

      SHA256

      e0897ef19e52f85a6e0d343d39800255d7e08e3502cbd5b5bddb34320f85c77b

      SHA512

      0442bca7908b03d3c2d532df4b52f19e6f28e1d0e37de9745410dce886a6e9606681d14ea12fc6700f0f8a6413b8cebe8dec55803ce1341b91e0186d1dfbb54f

    • \Users\Admin\AppData\Local\Temp\IXP002.TMP\xe5cD4Nc.exe
      Filesize

      590KB

      MD5

      3686a6baeb741d7149fe70868e4fb4d9

      SHA1

      1324b652e57bf99aafa4d89530219218e6d2ff9a

      SHA256

      038a9e7c646d1e874a99553526eca18c07ac69cc592e88484a4089db196a55e4

      SHA512

      49201327c2c96d390d400b86e31f4b96a68b21dc80fd3fb3a9e700e94001a2a68dcaf5e20b10583a38db35984d1d90491ad5b2f4a2b9d6d6310b73856d16f3e1

    • \Users\Admin\AppData\Local\Temp\IXP002.TMP\xe5cD4Nc.exe
      Filesize

      590KB

      MD5

      3686a6baeb741d7149fe70868e4fb4d9

      SHA1

      1324b652e57bf99aafa4d89530219218e6d2ff9a

      SHA256

      038a9e7c646d1e874a99553526eca18c07ac69cc592e88484a4089db196a55e4

      SHA512

      49201327c2c96d390d400b86e31f4b96a68b21dc80fd3fb3a9e700e94001a2a68dcaf5e20b10583a38db35984d1d90491ad5b2f4a2b9d6d6310b73856d16f3e1

    • \Users\Admin\AppData\Local\Temp\IXP003.TMP\os4pE7AX.exe
      Filesize

      417KB

      MD5

      ec80d5c154baf30f23f9d0fcc40ace02

      SHA1

      e5e5c37411a8abe82a94c68b63c0d7363b4b2121

      SHA256

      5969f82c6fc9f28308ff26894c66277dac48e9a1f4a27a4f7e00364b720a29e4

      SHA512

      b835e040a7ee9530c0cf8cc1d33247a553e6fdda7cb53a05aac370719e5f50890734d3e0245c7d8642bf2e060d8a1f4e45b1cf470528c711890f04961e77942f

    • \Users\Admin\AppData\Local\Temp\IXP003.TMP\os4pE7AX.exe
      Filesize

      417KB

      MD5

      ec80d5c154baf30f23f9d0fcc40ace02

      SHA1

      e5e5c37411a8abe82a94c68b63c0d7363b4b2121

      SHA256

      5969f82c6fc9f28308ff26894c66277dac48e9a1f4a27a4f7e00364b720a29e4

      SHA512

      b835e040a7ee9530c0cf8cc1d33247a553e6fdda7cb53a05aac370719e5f50890734d3e0245c7d8642bf2e060d8a1f4e45b1cf470528c711890f04961e77942f

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1wJ96jf8.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1wJ96jf8.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1wJ96jf8.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1wJ96jf8.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1wJ96jf8.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1wJ96jf8.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1wJ96jf8.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • memory/2108-58-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2108-57-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2108-59-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
      Filesize

      4KB

    • memory/2108-60-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2108-62-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2108-64-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2108-56-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2108-55-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2108-54-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2108-53-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB