Analysis

  • max time kernel
    120s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    07-10-2023 13:43

General

  • Target

    NEAS.d4eb29837f23fcbaa13b24ee5bae745691a5d502522ddd7d339d4ea8375ae6a7_JC.exe

  • Size

    1.2MB

  • MD5

    1dcf8f76d79ebde4ef930dd2bc2e52a8

  • SHA1

    159a74cf25fa6bb47f6a169909bb0ddc0bc74568

  • SHA256

    d4eb29837f23fcbaa13b24ee5bae745691a5d502522ddd7d339d4ea8375ae6a7

  • SHA512

    44e63856bc3dc3d3acabead0e12c1553e86049ac1747afef1dd707ca3736acff7e92c3340d667f62441047f49f47d02b6787b9bf7eef4a767cd99483af381d6c

  • SSDEEP

    24576:HpyhEXbzY1t5wtmmcWP7z3u+OZ2B2TNGhH67Y4DRyhZd2R89A:HcCQ1t52Fl7zeSB2TQHAVDRYZl

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.d4eb29837f23fcbaa13b24ee5bae745691a5d502522ddd7d339d4ea8375ae6a7_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.d4eb29837f23fcbaa13b24ee5bae745691a5d502522ddd7d339d4ea8375ae6a7_JC.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fo6wb8zw.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fo6wb8zw.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2372
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dl5fW5bt.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dl5fW5bt.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:2652
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rY1IH2pE.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rY1IH2pE.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:2812
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\Jo2IO0tM.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\Jo2IO0tM.exe
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Adds Run key to start application
            • Suspicious use of WriteProcessMemory
            PID:2640
            • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1uC80jx1.exe
              C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1uC80jx1.exe
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:2536
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                7⤵
                  PID:2504
                • 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:2528
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2528 -s 268
                    8⤵
                    • Program crash
                    PID:2164
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2536 -s 292
                  7⤵
                  • Loads dropped DLL
                  • Program crash
                  PID:2992

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fo6wb8zw.exe
      Filesize

      1.0MB

      MD5

      5ea0e6750117af3e8a11e58c4f093ea1

      SHA1

      8f0b07c9d03c3b8bf7589682567583505ab8ffac

      SHA256

      57a7992f626bd3fd7c5ccbbacb489ec9e0fc221169951b1045be277596f4ed51

      SHA512

      da9fbaf9ee3d9693e35b4d07c6d5cbc3aa07831750c76b16a1a14abd2ba61f2cc257ab96e7f4013295bed177e158fbb5b2ef5053744ea14086aa594ecf9f4b98

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fo6wb8zw.exe
      Filesize

      1.0MB

      MD5

      5ea0e6750117af3e8a11e58c4f093ea1

      SHA1

      8f0b07c9d03c3b8bf7589682567583505ab8ffac

      SHA256

      57a7992f626bd3fd7c5ccbbacb489ec9e0fc221169951b1045be277596f4ed51

      SHA512

      da9fbaf9ee3d9693e35b4d07c6d5cbc3aa07831750c76b16a1a14abd2ba61f2cc257ab96e7f4013295bed177e158fbb5b2ef5053744ea14086aa594ecf9f4b98

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dl5fW5bt.exe
      Filesize

      884KB

      MD5

      8552f2ba4822566f8defab8f1cf123fd

      SHA1

      eee2b5aa7c4251f42d429b0d5761dc98ab92554c

      SHA256

      c41e5cf4cc97341f3c861584a81a6ecd1fc93e6fc0c5ee82a24119b892888994

      SHA512

      80872e9dffc38677ebc4a0f30561dbdad87853574e5f29eb25c54b042bc51ca59ffbd38c58e7c763c793e81c4434e83b7ff0582c46f7f99778b5caa0d1c78afe

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dl5fW5bt.exe
      Filesize

      884KB

      MD5

      8552f2ba4822566f8defab8f1cf123fd

      SHA1

      eee2b5aa7c4251f42d429b0d5761dc98ab92554c

      SHA256

      c41e5cf4cc97341f3c861584a81a6ecd1fc93e6fc0c5ee82a24119b892888994

      SHA512

      80872e9dffc38677ebc4a0f30561dbdad87853574e5f29eb25c54b042bc51ca59ffbd38c58e7c763c793e81c4434e83b7ff0582c46f7f99778b5caa0d1c78afe

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rY1IH2pE.exe
      Filesize

      590KB

      MD5

      d40da101897dc2eb263d617389c41e75

      SHA1

      9dff9223966a7253ad8d0ba1dc65d7012e40eebb

      SHA256

      4c89754c15a9043e9c91f7b6991fc846991a4fd7987956a7e0470b2256308087

      SHA512

      84bcecd02b9b0e09bd3c1cbcfaea305ee8904b1a71de69e6414e02a1acc0213cc99b8dda5d06075c6d3998d26b8b75950ae414f0254910e48e7f53d141494516

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\rY1IH2pE.exe
      Filesize

      590KB

      MD5

      d40da101897dc2eb263d617389c41e75

      SHA1

      9dff9223966a7253ad8d0ba1dc65d7012e40eebb

      SHA256

      4c89754c15a9043e9c91f7b6991fc846991a4fd7987956a7e0470b2256308087

      SHA512

      84bcecd02b9b0e09bd3c1cbcfaea305ee8904b1a71de69e6414e02a1acc0213cc99b8dda5d06075c6d3998d26b8b75950ae414f0254910e48e7f53d141494516

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\Jo2IO0tM.exe
      Filesize

      417KB

      MD5

      efcb3322e0fee20048f87adf0c5fc299

      SHA1

      8fe61b62c44f46822839303bf03b02e604d016d2

      SHA256

      c3339d0c1f9fd853ef76db30865947bc2be1483f3d2d98595600c755ecb81415

      SHA512

      effdc926d7537d61899e8134029d0cf0f5f53a58545968811a3fd87e5f37b0235a07dec61ff6550faf5d046763a2bfe60442f854314323de0eb5c737b1bd9ce2

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\Jo2IO0tM.exe
      Filesize

      417KB

      MD5

      efcb3322e0fee20048f87adf0c5fc299

      SHA1

      8fe61b62c44f46822839303bf03b02e604d016d2

      SHA256

      c3339d0c1f9fd853ef76db30865947bc2be1483f3d2d98595600c755ecb81415

      SHA512

      effdc926d7537d61899e8134029d0cf0f5f53a58545968811a3fd87e5f37b0235a07dec61ff6550faf5d046763a2bfe60442f854314323de0eb5c737b1bd9ce2

    • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1uC80jx1.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1uC80jx1.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1uC80jx1.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP000.TMP\fo6wb8zw.exe
      Filesize

      1.0MB

      MD5

      5ea0e6750117af3e8a11e58c4f093ea1

      SHA1

      8f0b07c9d03c3b8bf7589682567583505ab8ffac

      SHA256

      57a7992f626bd3fd7c5ccbbacb489ec9e0fc221169951b1045be277596f4ed51

      SHA512

      da9fbaf9ee3d9693e35b4d07c6d5cbc3aa07831750c76b16a1a14abd2ba61f2cc257ab96e7f4013295bed177e158fbb5b2ef5053744ea14086aa594ecf9f4b98

    • \Users\Admin\AppData\Local\Temp\IXP000.TMP\fo6wb8zw.exe
      Filesize

      1.0MB

      MD5

      5ea0e6750117af3e8a11e58c4f093ea1

      SHA1

      8f0b07c9d03c3b8bf7589682567583505ab8ffac

      SHA256

      57a7992f626bd3fd7c5ccbbacb489ec9e0fc221169951b1045be277596f4ed51

      SHA512

      da9fbaf9ee3d9693e35b4d07c6d5cbc3aa07831750c76b16a1a14abd2ba61f2cc257ab96e7f4013295bed177e158fbb5b2ef5053744ea14086aa594ecf9f4b98

    • \Users\Admin\AppData\Local\Temp\IXP001.TMP\dl5fW5bt.exe
      Filesize

      884KB

      MD5

      8552f2ba4822566f8defab8f1cf123fd

      SHA1

      eee2b5aa7c4251f42d429b0d5761dc98ab92554c

      SHA256

      c41e5cf4cc97341f3c861584a81a6ecd1fc93e6fc0c5ee82a24119b892888994

      SHA512

      80872e9dffc38677ebc4a0f30561dbdad87853574e5f29eb25c54b042bc51ca59ffbd38c58e7c763c793e81c4434e83b7ff0582c46f7f99778b5caa0d1c78afe

    • \Users\Admin\AppData\Local\Temp\IXP001.TMP\dl5fW5bt.exe
      Filesize

      884KB

      MD5

      8552f2ba4822566f8defab8f1cf123fd

      SHA1

      eee2b5aa7c4251f42d429b0d5761dc98ab92554c

      SHA256

      c41e5cf4cc97341f3c861584a81a6ecd1fc93e6fc0c5ee82a24119b892888994

      SHA512

      80872e9dffc38677ebc4a0f30561dbdad87853574e5f29eb25c54b042bc51ca59ffbd38c58e7c763c793e81c4434e83b7ff0582c46f7f99778b5caa0d1c78afe

    • \Users\Admin\AppData\Local\Temp\IXP002.TMP\rY1IH2pE.exe
      Filesize

      590KB

      MD5

      d40da101897dc2eb263d617389c41e75

      SHA1

      9dff9223966a7253ad8d0ba1dc65d7012e40eebb

      SHA256

      4c89754c15a9043e9c91f7b6991fc846991a4fd7987956a7e0470b2256308087

      SHA512

      84bcecd02b9b0e09bd3c1cbcfaea305ee8904b1a71de69e6414e02a1acc0213cc99b8dda5d06075c6d3998d26b8b75950ae414f0254910e48e7f53d141494516

    • \Users\Admin\AppData\Local\Temp\IXP002.TMP\rY1IH2pE.exe
      Filesize

      590KB

      MD5

      d40da101897dc2eb263d617389c41e75

      SHA1

      9dff9223966a7253ad8d0ba1dc65d7012e40eebb

      SHA256

      4c89754c15a9043e9c91f7b6991fc846991a4fd7987956a7e0470b2256308087

      SHA512

      84bcecd02b9b0e09bd3c1cbcfaea305ee8904b1a71de69e6414e02a1acc0213cc99b8dda5d06075c6d3998d26b8b75950ae414f0254910e48e7f53d141494516

    • \Users\Admin\AppData\Local\Temp\IXP003.TMP\Jo2IO0tM.exe
      Filesize

      417KB

      MD5

      efcb3322e0fee20048f87adf0c5fc299

      SHA1

      8fe61b62c44f46822839303bf03b02e604d016d2

      SHA256

      c3339d0c1f9fd853ef76db30865947bc2be1483f3d2d98595600c755ecb81415

      SHA512

      effdc926d7537d61899e8134029d0cf0f5f53a58545968811a3fd87e5f37b0235a07dec61ff6550faf5d046763a2bfe60442f854314323de0eb5c737b1bd9ce2

    • \Users\Admin\AppData\Local\Temp\IXP003.TMP\Jo2IO0tM.exe
      Filesize

      417KB

      MD5

      efcb3322e0fee20048f87adf0c5fc299

      SHA1

      8fe61b62c44f46822839303bf03b02e604d016d2

      SHA256

      c3339d0c1f9fd853ef76db30865947bc2be1483f3d2d98595600c755ecb81415

      SHA512

      effdc926d7537d61899e8134029d0cf0f5f53a58545968811a3fd87e5f37b0235a07dec61ff6550faf5d046763a2bfe60442f854314323de0eb5c737b1bd9ce2

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1uC80jx1.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1uC80jx1.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1uC80jx1.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1uC80jx1.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1uC80jx1.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1uC80jx1.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1uC80jx1.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • memory/2528-54-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2528-57-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2528-59-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
      Filesize

      4KB

    • memory/2528-60-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2528-62-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2528-64-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2528-58-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2528-56-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2528-55-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2528-53-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB