Analysis

  • max time kernel
    120s
  • max time network
    131s
  • 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.c0dc5b19144d1bd3fd0856e4345ddc919a4177660dffc4244c52f84edfa9282c_JC.exe

  • Size

    1.2MB

  • MD5

    7fd4e883571ac0cd2258ffc3cbe35efa

  • SHA1

    1cfe7b432615a93768d3d330da11c2a285cd3c8d

  • SHA256

    c0dc5b19144d1bd3fd0856e4345ddc919a4177660dffc4244c52f84edfa9282c

  • SHA512

    41f7915f73be38cc2f51a55f232ca2d5be374f5fe7a336c5bee7f8d9ff87c918cae804f432d0f64194e5dbdc6aa05151ec060a950a67f17bf0834be757d29c01

  • SSDEEP

    24576:SyA79RURQ/FMFNWYePQgq+NGpRMaOL9Sb7h/MPUCjyvJKp:5okS/FMFNIQ1L38wb7hEcAI

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.c0dc5b19144d1bd3fd0856e4345ddc919a4177660dffc4244c52f84edfa9282c_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.c0dc5b19144d1bd3fd0856e4345ddc919a4177660dffc4244c52f84edfa9282c_JC.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3032
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\md8Ar3Dp.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\md8Ar3Dp.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2832
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\EX9Pe1xL.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\EX9Pe1xL.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\Dc8Jm1XJ.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Dc8Jm1XJ.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:2676
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\AD7rJ5YJ.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\AD7rJ5YJ.exe
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Adds Run key to start application
            • Suspicious use of WriteProcessMemory
            PID:2764
            • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1tO73Ur4.exe
              C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1tO73Ur4.exe
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:2548
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                7⤵
                  PID:2516
                • 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:2536
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2536 -s 268
                    8⤵
                    • Program crash
                    PID:2312
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2548 -s 292
                  7⤵
                  • Loads dropped DLL
                  • Program crash
                  PID:2992

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\md8Ar3Dp.exe
      Filesize

      1.0MB

      MD5

      36f7d392aedf5de41ca3e5617ebd9640

      SHA1

      e771900574966afe1e9184d36bedbe0161ae7dd1

      SHA256

      3c60c5ec380fb26d4a2aa1e3e0263e2d0a6696b13af147ec8a0e4f6b29707177

      SHA512

      bbae33dd951cea847b6cc6d59c9b20434174cc77e9c90d9d9cb05d7af20053684da0629f060c0720b5dc4b6e2f47300f68ea03ac642dd0a05372d6cea16a9863

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\md8Ar3Dp.exe
      Filesize

      1.0MB

      MD5

      36f7d392aedf5de41ca3e5617ebd9640

      SHA1

      e771900574966afe1e9184d36bedbe0161ae7dd1

      SHA256

      3c60c5ec380fb26d4a2aa1e3e0263e2d0a6696b13af147ec8a0e4f6b29707177

      SHA512

      bbae33dd951cea847b6cc6d59c9b20434174cc77e9c90d9d9cb05d7af20053684da0629f060c0720b5dc4b6e2f47300f68ea03ac642dd0a05372d6cea16a9863

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\EX9Pe1xL.exe
      Filesize

      884KB

      MD5

      4fdc910ea6dcfeedf85853f11bf8cc43

      SHA1

      e5bb2f555d260d500113bb43e0a1af127c6eafe3

      SHA256

      43236a36e7593b90cf40b107df17edb62a64b17fe266b560627c7b11a895a9b9

      SHA512

      812a9bb60ddbecc8241627b997deb778add57d899d53e0ac8ff48bf86bc2960406f0f071a3342591ca15333c565b1b97c117ad3a555d7116ccdd02519890f813

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\EX9Pe1xL.exe
      Filesize

      884KB

      MD5

      4fdc910ea6dcfeedf85853f11bf8cc43

      SHA1

      e5bb2f555d260d500113bb43e0a1af127c6eafe3

      SHA256

      43236a36e7593b90cf40b107df17edb62a64b17fe266b560627c7b11a895a9b9

      SHA512

      812a9bb60ddbecc8241627b997deb778add57d899d53e0ac8ff48bf86bc2960406f0f071a3342591ca15333c565b1b97c117ad3a555d7116ccdd02519890f813

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Dc8Jm1XJ.exe
      Filesize

      590KB

      MD5

      d0db7f0e77413316a6a701ff3e62ec5b

      SHA1

      e72180f14f6bf85c1c168db0bd9b8e84e08f72b4

      SHA256

      a6b628b28bc4e476340bd54002f699f8f7549b6dc89b378f5664a4e54a2eba36

      SHA512

      f9d96fdd63528cbdc8f69371ac790aeace0d8f4e34f9ec53318d0824c7721f4903254a9399f20e80f831dc30c76140b68a22963ed54adc2e83738c85cb3e09ff

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Dc8Jm1XJ.exe
      Filesize

      590KB

      MD5

      d0db7f0e77413316a6a701ff3e62ec5b

      SHA1

      e72180f14f6bf85c1c168db0bd9b8e84e08f72b4

      SHA256

      a6b628b28bc4e476340bd54002f699f8f7549b6dc89b378f5664a4e54a2eba36

      SHA512

      f9d96fdd63528cbdc8f69371ac790aeace0d8f4e34f9ec53318d0824c7721f4903254a9399f20e80f831dc30c76140b68a22963ed54adc2e83738c85cb3e09ff

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\AD7rJ5YJ.exe
      Filesize

      417KB

      MD5

      ca5b08ef4e199df70c31763d453e5e83

      SHA1

      dddc3086379e005cf931871c972c61eef86be31e

      SHA256

      d34d2570161fd9a23550b5e361176aa0529e32e0c3a62752eb29b807a8b8a48d

      SHA512

      54741871f09367017602ef135d53655a410cb11951e5f64a8a2aa9411c38613cc24c95c4f2091c1a8b688c1b15bf4fec11ed68521c3f17b92eb5ac72cdef1ff0

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\AD7rJ5YJ.exe
      Filesize

      417KB

      MD5

      ca5b08ef4e199df70c31763d453e5e83

      SHA1

      dddc3086379e005cf931871c972c61eef86be31e

      SHA256

      d34d2570161fd9a23550b5e361176aa0529e32e0c3a62752eb29b807a8b8a48d

      SHA512

      54741871f09367017602ef135d53655a410cb11951e5f64a8a2aa9411c38613cc24c95c4f2091c1a8b688c1b15bf4fec11ed68521c3f17b92eb5ac72cdef1ff0

    • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1tO73Ur4.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1tO73Ur4.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1tO73Ur4.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP000.TMP\md8Ar3Dp.exe
      Filesize

      1.0MB

      MD5

      36f7d392aedf5de41ca3e5617ebd9640

      SHA1

      e771900574966afe1e9184d36bedbe0161ae7dd1

      SHA256

      3c60c5ec380fb26d4a2aa1e3e0263e2d0a6696b13af147ec8a0e4f6b29707177

      SHA512

      bbae33dd951cea847b6cc6d59c9b20434174cc77e9c90d9d9cb05d7af20053684da0629f060c0720b5dc4b6e2f47300f68ea03ac642dd0a05372d6cea16a9863

    • \Users\Admin\AppData\Local\Temp\IXP000.TMP\md8Ar3Dp.exe
      Filesize

      1.0MB

      MD5

      36f7d392aedf5de41ca3e5617ebd9640

      SHA1

      e771900574966afe1e9184d36bedbe0161ae7dd1

      SHA256

      3c60c5ec380fb26d4a2aa1e3e0263e2d0a6696b13af147ec8a0e4f6b29707177

      SHA512

      bbae33dd951cea847b6cc6d59c9b20434174cc77e9c90d9d9cb05d7af20053684da0629f060c0720b5dc4b6e2f47300f68ea03ac642dd0a05372d6cea16a9863

    • \Users\Admin\AppData\Local\Temp\IXP001.TMP\EX9Pe1xL.exe
      Filesize

      884KB

      MD5

      4fdc910ea6dcfeedf85853f11bf8cc43

      SHA1

      e5bb2f555d260d500113bb43e0a1af127c6eafe3

      SHA256

      43236a36e7593b90cf40b107df17edb62a64b17fe266b560627c7b11a895a9b9

      SHA512

      812a9bb60ddbecc8241627b997deb778add57d899d53e0ac8ff48bf86bc2960406f0f071a3342591ca15333c565b1b97c117ad3a555d7116ccdd02519890f813

    • \Users\Admin\AppData\Local\Temp\IXP001.TMP\EX9Pe1xL.exe
      Filesize

      884KB

      MD5

      4fdc910ea6dcfeedf85853f11bf8cc43

      SHA1

      e5bb2f555d260d500113bb43e0a1af127c6eafe3

      SHA256

      43236a36e7593b90cf40b107df17edb62a64b17fe266b560627c7b11a895a9b9

      SHA512

      812a9bb60ddbecc8241627b997deb778add57d899d53e0ac8ff48bf86bc2960406f0f071a3342591ca15333c565b1b97c117ad3a555d7116ccdd02519890f813

    • \Users\Admin\AppData\Local\Temp\IXP002.TMP\Dc8Jm1XJ.exe
      Filesize

      590KB

      MD5

      d0db7f0e77413316a6a701ff3e62ec5b

      SHA1

      e72180f14f6bf85c1c168db0bd9b8e84e08f72b4

      SHA256

      a6b628b28bc4e476340bd54002f699f8f7549b6dc89b378f5664a4e54a2eba36

      SHA512

      f9d96fdd63528cbdc8f69371ac790aeace0d8f4e34f9ec53318d0824c7721f4903254a9399f20e80f831dc30c76140b68a22963ed54adc2e83738c85cb3e09ff

    • \Users\Admin\AppData\Local\Temp\IXP002.TMP\Dc8Jm1XJ.exe
      Filesize

      590KB

      MD5

      d0db7f0e77413316a6a701ff3e62ec5b

      SHA1

      e72180f14f6bf85c1c168db0bd9b8e84e08f72b4

      SHA256

      a6b628b28bc4e476340bd54002f699f8f7549b6dc89b378f5664a4e54a2eba36

      SHA512

      f9d96fdd63528cbdc8f69371ac790aeace0d8f4e34f9ec53318d0824c7721f4903254a9399f20e80f831dc30c76140b68a22963ed54adc2e83738c85cb3e09ff

    • \Users\Admin\AppData\Local\Temp\IXP003.TMP\AD7rJ5YJ.exe
      Filesize

      417KB

      MD5

      ca5b08ef4e199df70c31763d453e5e83

      SHA1

      dddc3086379e005cf931871c972c61eef86be31e

      SHA256

      d34d2570161fd9a23550b5e361176aa0529e32e0c3a62752eb29b807a8b8a48d

      SHA512

      54741871f09367017602ef135d53655a410cb11951e5f64a8a2aa9411c38613cc24c95c4f2091c1a8b688c1b15bf4fec11ed68521c3f17b92eb5ac72cdef1ff0

    • \Users\Admin\AppData\Local\Temp\IXP003.TMP\AD7rJ5YJ.exe
      Filesize

      417KB

      MD5

      ca5b08ef4e199df70c31763d453e5e83

      SHA1

      dddc3086379e005cf931871c972c61eef86be31e

      SHA256

      d34d2570161fd9a23550b5e361176aa0529e32e0c3a62752eb29b807a8b8a48d

      SHA512

      54741871f09367017602ef135d53655a410cb11951e5f64a8a2aa9411c38613cc24c95c4f2091c1a8b688c1b15bf4fec11ed68521c3f17b92eb5ac72cdef1ff0

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1tO73Ur4.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1tO73Ur4.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1tO73Ur4.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1tO73Ur4.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1tO73Ur4.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1tO73Ur4.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1tO73Ur4.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • memory/2536-53-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2536-60-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2536-56-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2536-54-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2536-62-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2536-64-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2536-57-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2536-59-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
      Filesize

      4KB

    • memory/2536-58-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2536-55-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB