Analysis

  • max time kernel
    117s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    07-10-2023 11:05

General

  • Target

    NEAS.2551ee7ecef46324e5d148e00e7b349a4f6356619481c8d7414096306eca379f_JC.exe

  • Size

    1.1MB

  • MD5

    caf47d69e0564a80234abf65c6770ba1

  • SHA1

    31451b8bf6f594e9e77a546724c2824e401c6b9a

  • SHA256

    2551ee7ecef46324e5d148e00e7b349a4f6356619481c8d7414096306eca379f

  • SHA512

    b369b2f7f92ce901c4937803614c1e2e212f98affab8072d7c71439813316f6d93907b240f095df1a88d8b689d29287c92d73d0d768a9622155ec7f84bb292e8

  • SSDEEP

    24576:wyfjE2KFvNyypRW1HCFR3Xy+0ll8mJNQ8:37E2KiypSiFR3g7n

Malware Config

Extracted

Family

mystic

C2

http://5.42.92.211/loghub/master

Signatures

  • Detect Mystic stealer payload 8 IoCs
  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • Mystic

    Mystic is an infostealer written in C++.

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 15 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.2551ee7ecef46324e5d148e00e7b349a4f6356619481c8d7414096306eca379f_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.2551ee7ecef46324e5d148e00e7b349a4f6356619481c8d7414096306eca379f_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\Wj0NO08.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Wj0NO08.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2252
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Gn9XZ46.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Gn9XZ46.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:2616
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\VY4vy44.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\VY4vy44.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:2508
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1zH27ZD0.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1zH27ZD0.exe
            5⤵
            • Modifies Windows Defender Real-time Protection settings
            • Executes dropped EXE
            • Loads dropped DLL
            • Windows security modification
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2592
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2CB3160.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2CB3160.exe
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:1032
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
              6⤵
                PID:2804
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1032 -s 284
                6⤵
                • Loads dropped DLL
                • Program crash
                PID:2828

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Create or Modify System Process

    1
    T1543

    Windows Service

    1
    T1543.003

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Create or Modify System Process

    1
    T1543

    Windows Service

    1
    T1543.003

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Modify Registry

    3
    T1112

    Impair Defenses

    2
    T1562

    Disable or Modify Tools

    2
    T1562.001

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Wj0NO08.exe
      Filesize

      990KB

      MD5

      8baced8bd675c471c728fb972d9015a9

      SHA1

      4d41991517f503d09f432b060c6568fb2c48d6f5

      SHA256

      eb7b2f43d8c691612ae2fe0ae48c9bb73c02dcb80dcb4ad40e284642763518e8

      SHA512

      08ba0d4c297ef4b999581ac869ff0918d329a1056bea2929e671e27e5e2e0d67ef036e04eb1c1724747c67c0a996ec7db5933b187617cf5af99a24041f38ec83

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Wj0NO08.exe
      Filesize

      990KB

      MD5

      8baced8bd675c471c728fb972d9015a9

      SHA1

      4d41991517f503d09f432b060c6568fb2c48d6f5

      SHA256

      eb7b2f43d8c691612ae2fe0ae48c9bb73c02dcb80dcb4ad40e284642763518e8

      SHA512

      08ba0d4c297ef4b999581ac869ff0918d329a1056bea2929e671e27e5e2e0d67ef036e04eb1c1724747c67c0a996ec7db5933b187617cf5af99a24041f38ec83

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Gn9XZ46.exe
      Filesize

      696KB

      MD5

      222c43cbb39dbe1df071d36c0ecaad8f

      SHA1

      61dfaba0bb66da6a690b6201fa80d3c2575604d6

      SHA256

      1fc5819a535519d33fdc7717f52364e3bd4c1fc795c19d20f4cb4fd18d0e38ff

      SHA512

      bae871ef15a83def26298e512f11a5cad9d4614fc0328ce35e62e07efa4a0a92d97e1f97e3586ad83701057cfc69895f711eef3dcefaa95b0b5b9418ca74b4f5

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Gn9XZ46.exe
      Filesize

      696KB

      MD5

      222c43cbb39dbe1df071d36c0ecaad8f

      SHA1

      61dfaba0bb66da6a690b6201fa80d3c2575604d6

      SHA256

      1fc5819a535519d33fdc7717f52364e3bd4c1fc795c19d20f4cb4fd18d0e38ff

      SHA512

      bae871ef15a83def26298e512f11a5cad9d4614fc0328ce35e62e07efa4a0a92d97e1f97e3586ad83701057cfc69895f711eef3dcefaa95b0b5b9418ca74b4f5

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\VY4vy44.exe
      Filesize

      452KB

      MD5

      4613e388de4f4b9933584a1cc3ce9f97

      SHA1

      48344ad49821ae9006628fa76219c457fa7dd6de

      SHA256

      91e7d757af7f3e44602adbfd86f476467f1d89335a9ec7444777c4a2ec78603f

      SHA512

      d35ca05f7cc75f2c79c651632fbb2de1630c59e2aa3e9bbafb93f564fdc7bffc3d029a308845b3fd1cf0a92ed338f200cf9f675ae797882239e5594f9dd98efb

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\VY4vy44.exe
      Filesize

      452KB

      MD5

      4613e388de4f4b9933584a1cc3ce9f97

      SHA1

      48344ad49821ae9006628fa76219c457fa7dd6de

      SHA256

      91e7d757af7f3e44602adbfd86f476467f1d89335a9ec7444777c4a2ec78603f

      SHA512

      d35ca05f7cc75f2c79c651632fbb2de1630c59e2aa3e9bbafb93f564fdc7bffc3d029a308845b3fd1cf0a92ed338f200cf9f675ae797882239e5594f9dd98efb

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1zH27ZD0.exe
      Filesize

      192KB

      MD5

      8904f85abd522c7d0cb5789d9583ccff

      SHA1

      5b34d8595b37c9e1fb9682b06dc5228efe07f0c6

      SHA256

      7624b62fe97c8e370c82bc86f69c2f627328e701ce1f3d9bed92a1e5fe11fd7f

      SHA512

      04dd0c4e612b6287af6a655425085d687538d756dcd639ecb6c62bcdafddde52c56ae305a6240ee1329a95d9cc59dee6de5000d273a5a560ad1adc3284e00e12

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1zH27ZD0.exe
      Filesize

      192KB

      MD5

      8904f85abd522c7d0cb5789d9583ccff

      SHA1

      5b34d8595b37c9e1fb9682b06dc5228efe07f0c6

      SHA256

      7624b62fe97c8e370c82bc86f69c2f627328e701ce1f3d9bed92a1e5fe11fd7f

      SHA512

      04dd0c4e612b6287af6a655425085d687538d756dcd639ecb6c62bcdafddde52c56ae305a6240ee1329a95d9cc59dee6de5000d273a5a560ad1adc3284e00e12

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2CB3160.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2CB3160.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2CB3160.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP000.TMP\Wj0NO08.exe
      Filesize

      990KB

      MD5

      8baced8bd675c471c728fb972d9015a9

      SHA1

      4d41991517f503d09f432b060c6568fb2c48d6f5

      SHA256

      eb7b2f43d8c691612ae2fe0ae48c9bb73c02dcb80dcb4ad40e284642763518e8

      SHA512

      08ba0d4c297ef4b999581ac869ff0918d329a1056bea2929e671e27e5e2e0d67ef036e04eb1c1724747c67c0a996ec7db5933b187617cf5af99a24041f38ec83

    • \Users\Admin\AppData\Local\Temp\IXP000.TMP\Wj0NO08.exe
      Filesize

      990KB

      MD5

      8baced8bd675c471c728fb972d9015a9

      SHA1

      4d41991517f503d09f432b060c6568fb2c48d6f5

      SHA256

      eb7b2f43d8c691612ae2fe0ae48c9bb73c02dcb80dcb4ad40e284642763518e8

      SHA512

      08ba0d4c297ef4b999581ac869ff0918d329a1056bea2929e671e27e5e2e0d67ef036e04eb1c1724747c67c0a996ec7db5933b187617cf5af99a24041f38ec83

    • \Users\Admin\AppData\Local\Temp\IXP001.TMP\Gn9XZ46.exe
      Filesize

      696KB

      MD5

      222c43cbb39dbe1df071d36c0ecaad8f

      SHA1

      61dfaba0bb66da6a690b6201fa80d3c2575604d6

      SHA256

      1fc5819a535519d33fdc7717f52364e3bd4c1fc795c19d20f4cb4fd18d0e38ff

      SHA512

      bae871ef15a83def26298e512f11a5cad9d4614fc0328ce35e62e07efa4a0a92d97e1f97e3586ad83701057cfc69895f711eef3dcefaa95b0b5b9418ca74b4f5

    • \Users\Admin\AppData\Local\Temp\IXP001.TMP\Gn9XZ46.exe
      Filesize

      696KB

      MD5

      222c43cbb39dbe1df071d36c0ecaad8f

      SHA1

      61dfaba0bb66da6a690b6201fa80d3c2575604d6

      SHA256

      1fc5819a535519d33fdc7717f52364e3bd4c1fc795c19d20f4cb4fd18d0e38ff

      SHA512

      bae871ef15a83def26298e512f11a5cad9d4614fc0328ce35e62e07efa4a0a92d97e1f97e3586ad83701057cfc69895f711eef3dcefaa95b0b5b9418ca74b4f5

    • \Users\Admin\AppData\Local\Temp\IXP002.TMP\VY4vy44.exe
      Filesize

      452KB

      MD5

      4613e388de4f4b9933584a1cc3ce9f97

      SHA1

      48344ad49821ae9006628fa76219c457fa7dd6de

      SHA256

      91e7d757af7f3e44602adbfd86f476467f1d89335a9ec7444777c4a2ec78603f

      SHA512

      d35ca05f7cc75f2c79c651632fbb2de1630c59e2aa3e9bbafb93f564fdc7bffc3d029a308845b3fd1cf0a92ed338f200cf9f675ae797882239e5594f9dd98efb

    • \Users\Admin\AppData\Local\Temp\IXP002.TMP\VY4vy44.exe
      Filesize

      452KB

      MD5

      4613e388de4f4b9933584a1cc3ce9f97

      SHA1

      48344ad49821ae9006628fa76219c457fa7dd6de

      SHA256

      91e7d757af7f3e44602adbfd86f476467f1d89335a9ec7444777c4a2ec78603f

      SHA512

      d35ca05f7cc75f2c79c651632fbb2de1630c59e2aa3e9bbafb93f564fdc7bffc3d029a308845b3fd1cf0a92ed338f200cf9f675ae797882239e5594f9dd98efb

    • \Users\Admin\AppData\Local\Temp\IXP003.TMP\1zH27ZD0.exe
      Filesize

      192KB

      MD5

      8904f85abd522c7d0cb5789d9583ccff

      SHA1

      5b34d8595b37c9e1fb9682b06dc5228efe07f0c6

      SHA256

      7624b62fe97c8e370c82bc86f69c2f627328e701ce1f3d9bed92a1e5fe11fd7f

      SHA512

      04dd0c4e612b6287af6a655425085d687538d756dcd639ecb6c62bcdafddde52c56ae305a6240ee1329a95d9cc59dee6de5000d273a5a560ad1adc3284e00e12

    • \Users\Admin\AppData\Local\Temp\IXP003.TMP\1zH27ZD0.exe
      Filesize

      192KB

      MD5

      8904f85abd522c7d0cb5789d9583ccff

      SHA1

      5b34d8595b37c9e1fb9682b06dc5228efe07f0c6

      SHA256

      7624b62fe97c8e370c82bc86f69c2f627328e701ce1f3d9bed92a1e5fe11fd7f

      SHA512

      04dd0c4e612b6287af6a655425085d687538d756dcd639ecb6c62bcdafddde52c56ae305a6240ee1329a95d9cc59dee6de5000d273a5a560ad1adc3284e00e12

    • \Users\Admin\AppData\Local\Temp\IXP003.TMP\2CB3160.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP003.TMP\2CB3160.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP003.TMP\2CB3160.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP003.TMP\2CB3160.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP003.TMP\2CB3160.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP003.TMP\2CB3160.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP003.TMP\2CB3160.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • memory/2592-57-0x0000000002110000-0x0000000002126000-memory.dmp
      Filesize

      88KB

    • memory/2592-49-0x0000000002110000-0x0000000002126000-memory.dmp
      Filesize

      88KB

    • memory/2592-59-0x0000000002110000-0x0000000002126000-memory.dmp
      Filesize

      88KB

    • memory/2592-63-0x0000000002110000-0x0000000002126000-memory.dmp
      Filesize

      88KB

    • memory/2592-67-0x0000000002110000-0x0000000002126000-memory.dmp
      Filesize

      88KB

    • memory/2592-65-0x0000000002110000-0x0000000002126000-memory.dmp
      Filesize

      88KB

    • memory/2592-69-0x0000000002110000-0x0000000002126000-memory.dmp
      Filesize

      88KB

    • memory/2592-55-0x0000000002110000-0x0000000002126000-memory.dmp
      Filesize

      88KB

    • memory/2592-53-0x0000000002110000-0x0000000002126000-memory.dmp
      Filesize

      88KB

    • memory/2592-43-0x0000000002110000-0x0000000002126000-memory.dmp
      Filesize

      88KB

    • memory/2592-51-0x0000000002110000-0x0000000002126000-memory.dmp
      Filesize

      88KB

    • memory/2592-45-0x0000000002110000-0x0000000002126000-memory.dmp
      Filesize

      88KB

    • memory/2592-47-0x0000000002110000-0x0000000002126000-memory.dmp
      Filesize

      88KB

    • memory/2592-40-0x00000000003C0000-0x00000000003DE000-memory.dmp
      Filesize

      120KB

    • memory/2592-41-0x0000000002110000-0x000000000212C000-memory.dmp
      Filesize

      112KB

    • memory/2592-61-0x0000000002110000-0x0000000002126000-memory.dmp
      Filesize

      88KB

    • memory/2592-42-0x0000000002110000-0x0000000002126000-memory.dmp
      Filesize

      88KB

    • memory/2804-83-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2804-89-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2804-91-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
      Filesize

      4KB

    • memory/2804-92-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2804-94-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2804-96-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2804-97-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2804-87-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2804-85-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2804-81-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2804-79-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2804-102-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB