Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    07-10-2023 11:20

General

  • Target

    NEAS.300eea77472a8e52b3f2ddc9616f05d14b8a344c410b3b0568b611fdeb2ab03e_JC.exe

  • Size

    1.2MB

  • MD5

    d0c1af93a3f6d35a464a5bfe57a324f5

  • SHA1

    8b37fe4cda0ea152950412829c3aca2cd3262347

  • SHA256

    300eea77472a8e52b3f2ddc9616f05d14b8a344c410b3b0568b611fdeb2ab03e

  • SHA512

    eea1d81b803e0a3558c99cdc02b6fbdad9d19d3749c1bfd030c9546ce5a1c9121e38a733b78bc34248a8fdf9727663601117260906bf3002e4d492fba5e56295

  • SSDEEP

    24576:ayECoKrMdqf3Ef1dCfivYqpkBVp0jJxBjrgeXBn+Whcb5R8uV:hSs3Ef1a4pVjJL/geRnVub5uu

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.300eea77472a8e52b3f2ddc9616f05d14b8a344c410b3b0568b611fdeb2ab03e_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.300eea77472a8e52b3f2ddc9616f05d14b8a344c410b3b0568b611fdeb2ab03e_JC.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sD7uY8og.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sD7uY8og.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2052
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Uq8RQ5gd.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Uq8RQ5gd.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:2868
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kT5VV6EA.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kT5VV6EA.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:2604
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\mz7rK4RH.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\mz7rK4RH.exe
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Adds Run key to start application
            • Suspicious use of WriteProcessMemory
            PID:2660
            • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1SS20pT5.exe
              C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1SS20pT5.exe
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:2700
              • 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:2628
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2628 -s 268
                  8⤵
                  • Program crash
                  PID:2476
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2700 -s 284
                7⤵
                • Loads dropped DLL
                • Program crash
                PID:2468

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\sD7uY8og.exe
    Filesize

    1.0MB

    MD5

    25067c88c1b0d9c14e252daafa8c6fa6

    SHA1

    6f982e04c68baadc475f246db0b4753be70d6d9b

    SHA256

    c0734f423bb8748302e58f63e189985f8d0e5777c1e0b2ecd60d1d1029e980e5

    SHA512

    6f1e01ec4fdf2844177f4fec16a2fe3fa1e6cd577bd6fd4ff23fca9bc145bc27561e69571c10680b7d1c0eb1ad3fc14e4def259a630df003154fc2a19a18f4ff

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sD7uY8og.exe
    Filesize

    1.0MB

    MD5

    25067c88c1b0d9c14e252daafa8c6fa6

    SHA1

    6f982e04c68baadc475f246db0b4753be70d6d9b

    SHA256

    c0734f423bb8748302e58f63e189985f8d0e5777c1e0b2ecd60d1d1029e980e5

    SHA512

    6f1e01ec4fdf2844177f4fec16a2fe3fa1e6cd577bd6fd4ff23fca9bc145bc27561e69571c10680b7d1c0eb1ad3fc14e4def259a630df003154fc2a19a18f4ff

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Uq8RQ5gd.exe
    Filesize

    883KB

    MD5

    876bc3c4f6cc80de6cb6ae804635e809

    SHA1

    2b47e1aac8aed52d60f6fafe851949c2c58571b5

    SHA256

    7a0b3320e0257e14a5a417d502fb500d1b867acd29590c05d9c97b349388463c

    SHA512

    19997b83df7d4245edb1061e4f1c94a6fcd031735043570e14e307e54bebba85fe24e1139911dd3250fbf42682a8ed2e38e2b12ae0d60498025a36d6cb13f454

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Uq8RQ5gd.exe
    Filesize

    883KB

    MD5

    876bc3c4f6cc80de6cb6ae804635e809

    SHA1

    2b47e1aac8aed52d60f6fafe851949c2c58571b5

    SHA256

    7a0b3320e0257e14a5a417d502fb500d1b867acd29590c05d9c97b349388463c

    SHA512

    19997b83df7d4245edb1061e4f1c94a6fcd031735043570e14e307e54bebba85fe24e1139911dd3250fbf42682a8ed2e38e2b12ae0d60498025a36d6cb13f454

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kT5VV6EA.exe
    Filesize

    590KB

    MD5

    2881657188808e4a306e00b89195c73a

    SHA1

    83020c8208643d9d27c7844758baccab8a15482c

    SHA256

    77492f34e914abfed88413e5ec6e559b847dc2a8fcd50d480e4b6c5285835fe3

    SHA512

    fdb69dacc2e8805737c361052f292a91ae706f4b548caec3e66d68376d5c9444edde3f15db86265d98e43238050a6a3fd6492e8259e8e7d9c92f348fba262148

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kT5VV6EA.exe
    Filesize

    590KB

    MD5

    2881657188808e4a306e00b89195c73a

    SHA1

    83020c8208643d9d27c7844758baccab8a15482c

    SHA256

    77492f34e914abfed88413e5ec6e559b847dc2a8fcd50d480e4b6c5285835fe3

    SHA512

    fdb69dacc2e8805737c361052f292a91ae706f4b548caec3e66d68376d5c9444edde3f15db86265d98e43238050a6a3fd6492e8259e8e7d9c92f348fba262148

  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\mz7rK4RH.exe
    Filesize

    417KB

    MD5

    f3d9b75cb50765335ab49c7de14506d9

    SHA1

    a589adfc605295ec011fc082838651db9f8c9aed

    SHA256

    850361490edd12aa6dafa7277fd6f72264ec9134a4fe6af4547121f77ab9971e

    SHA512

    e3144514e3b42e8da420627c7c3f40adbc43670b17eaeb9c418187a7d838aca6e9da7dd96ae4f711ac1cc5abaf25307709b02e43e5cd7452e9a652e33863c6f1

  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\mz7rK4RH.exe
    Filesize

    417KB

    MD5

    f3d9b75cb50765335ab49c7de14506d9

    SHA1

    a589adfc605295ec011fc082838651db9f8c9aed

    SHA256

    850361490edd12aa6dafa7277fd6f72264ec9134a4fe6af4547121f77ab9971e

    SHA512

    e3144514e3b42e8da420627c7c3f40adbc43670b17eaeb9c418187a7d838aca6e9da7dd96ae4f711ac1cc5abaf25307709b02e43e5cd7452e9a652e33863c6f1

  • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1SS20pT5.exe
    Filesize

    378KB

    MD5

    25946afd455a920541192ac878a714ac

    SHA1

    4e8edd37d9358bdd9858bb2b6abe4eb9df4b4d9a

    SHA256

    76e905725074287687ce5d1d3a55613206a04671e89fee998c9ad44ffd99af46

    SHA512

    9a81f9e5c959186b2d0a048ec1450a6107fb6679280e557c9aa0215b27c7197e00bc2ec54f6f33302b9be792a75f3685f61f26695b0f37a92f3b8040532082db

  • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1SS20pT5.exe
    Filesize

    378KB

    MD5

    25946afd455a920541192ac878a714ac

    SHA1

    4e8edd37d9358bdd9858bb2b6abe4eb9df4b4d9a

    SHA256

    76e905725074287687ce5d1d3a55613206a04671e89fee998c9ad44ffd99af46

    SHA512

    9a81f9e5c959186b2d0a048ec1450a6107fb6679280e557c9aa0215b27c7197e00bc2ec54f6f33302b9be792a75f3685f61f26695b0f37a92f3b8040532082db

  • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1SS20pT5.exe
    Filesize

    378KB

    MD5

    25946afd455a920541192ac878a714ac

    SHA1

    4e8edd37d9358bdd9858bb2b6abe4eb9df4b4d9a

    SHA256

    76e905725074287687ce5d1d3a55613206a04671e89fee998c9ad44ffd99af46

    SHA512

    9a81f9e5c959186b2d0a048ec1450a6107fb6679280e557c9aa0215b27c7197e00bc2ec54f6f33302b9be792a75f3685f61f26695b0f37a92f3b8040532082db

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\sD7uY8og.exe
    Filesize

    1.0MB

    MD5

    25067c88c1b0d9c14e252daafa8c6fa6

    SHA1

    6f982e04c68baadc475f246db0b4753be70d6d9b

    SHA256

    c0734f423bb8748302e58f63e189985f8d0e5777c1e0b2ecd60d1d1029e980e5

    SHA512

    6f1e01ec4fdf2844177f4fec16a2fe3fa1e6cd577bd6fd4ff23fca9bc145bc27561e69571c10680b7d1c0eb1ad3fc14e4def259a630df003154fc2a19a18f4ff

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\sD7uY8og.exe
    Filesize

    1.0MB

    MD5

    25067c88c1b0d9c14e252daafa8c6fa6

    SHA1

    6f982e04c68baadc475f246db0b4753be70d6d9b

    SHA256

    c0734f423bb8748302e58f63e189985f8d0e5777c1e0b2ecd60d1d1029e980e5

    SHA512

    6f1e01ec4fdf2844177f4fec16a2fe3fa1e6cd577bd6fd4ff23fca9bc145bc27561e69571c10680b7d1c0eb1ad3fc14e4def259a630df003154fc2a19a18f4ff

  • \Users\Admin\AppData\Local\Temp\IXP001.TMP\Uq8RQ5gd.exe
    Filesize

    883KB

    MD5

    876bc3c4f6cc80de6cb6ae804635e809

    SHA1

    2b47e1aac8aed52d60f6fafe851949c2c58571b5

    SHA256

    7a0b3320e0257e14a5a417d502fb500d1b867acd29590c05d9c97b349388463c

    SHA512

    19997b83df7d4245edb1061e4f1c94a6fcd031735043570e14e307e54bebba85fe24e1139911dd3250fbf42682a8ed2e38e2b12ae0d60498025a36d6cb13f454

  • \Users\Admin\AppData\Local\Temp\IXP001.TMP\Uq8RQ5gd.exe
    Filesize

    883KB

    MD5

    876bc3c4f6cc80de6cb6ae804635e809

    SHA1

    2b47e1aac8aed52d60f6fafe851949c2c58571b5

    SHA256

    7a0b3320e0257e14a5a417d502fb500d1b867acd29590c05d9c97b349388463c

    SHA512

    19997b83df7d4245edb1061e4f1c94a6fcd031735043570e14e307e54bebba85fe24e1139911dd3250fbf42682a8ed2e38e2b12ae0d60498025a36d6cb13f454

  • \Users\Admin\AppData\Local\Temp\IXP002.TMP\kT5VV6EA.exe
    Filesize

    590KB

    MD5

    2881657188808e4a306e00b89195c73a

    SHA1

    83020c8208643d9d27c7844758baccab8a15482c

    SHA256

    77492f34e914abfed88413e5ec6e559b847dc2a8fcd50d480e4b6c5285835fe3

    SHA512

    fdb69dacc2e8805737c361052f292a91ae706f4b548caec3e66d68376d5c9444edde3f15db86265d98e43238050a6a3fd6492e8259e8e7d9c92f348fba262148

  • \Users\Admin\AppData\Local\Temp\IXP002.TMP\kT5VV6EA.exe
    Filesize

    590KB

    MD5

    2881657188808e4a306e00b89195c73a

    SHA1

    83020c8208643d9d27c7844758baccab8a15482c

    SHA256

    77492f34e914abfed88413e5ec6e559b847dc2a8fcd50d480e4b6c5285835fe3

    SHA512

    fdb69dacc2e8805737c361052f292a91ae706f4b548caec3e66d68376d5c9444edde3f15db86265d98e43238050a6a3fd6492e8259e8e7d9c92f348fba262148

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\mz7rK4RH.exe
    Filesize

    417KB

    MD5

    f3d9b75cb50765335ab49c7de14506d9

    SHA1

    a589adfc605295ec011fc082838651db9f8c9aed

    SHA256

    850361490edd12aa6dafa7277fd6f72264ec9134a4fe6af4547121f77ab9971e

    SHA512

    e3144514e3b42e8da420627c7c3f40adbc43670b17eaeb9c418187a7d838aca6e9da7dd96ae4f711ac1cc5abaf25307709b02e43e5cd7452e9a652e33863c6f1

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\mz7rK4RH.exe
    Filesize

    417KB

    MD5

    f3d9b75cb50765335ab49c7de14506d9

    SHA1

    a589adfc605295ec011fc082838651db9f8c9aed

    SHA256

    850361490edd12aa6dafa7277fd6f72264ec9134a4fe6af4547121f77ab9971e

    SHA512

    e3144514e3b42e8da420627c7c3f40adbc43670b17eaeb9c418187a7d838aca6e9da7dd96ae4f711ac1cc5abaf25307709b02e43e5cd7452e9a652e33863c6f1

  • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1SS20pT5.exe
    Filesize

    378KB

    MD5

    25946afd455a920541192ac878a714ac

    SHA1

    4e8edd37d9358bdd9858bb2b6abe4eb9df4b4d9a

    SHA256

    76e905725074287687ce5d1d3a55613206a04671e89fee998c9ad44ffd99af46

    SHA512

    9a81f9e5c959186b2d0a048ec1450a6107fb6679280e557c9aa0215b27c7197e00bc2ec54f6f33302b9be792a75f3685f61f26695b0f37a92f3b8040532082db

  • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1SS20pT5.exe
    Filesize

    378KB

    MD5

    25946afd455a920541192ac878a714ac

    SHA1

    4e8edd37d9358bdd9858bb2b6abe4eb9df4b4d9a

    SHA256

    76e905725074287687ce5d1d3a55613206a04671e89fee998c9ad44ffd99af46

    SHA512

    9a81f9e5c959186b2d0a048ec1450a6107fb6679280e557c9aa0215b27c7197e00bc2ec54f6f33302b9be792a75f3685f61f26695b0f37a92f3b8040532082db

  • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1SS20pT5.exe
    Filesize

    378KB

    MD5

    25946afd455a920541192ac878a714ac

    SHA1

    4e8edd37d9358bdd9858bb2b6abe4eb9df4b4d9a

    SHA256

    76e905725074287687ce5d1d3a55613206a04671e89fee998c9ad44ffd99af46

    SHA512

    9a81f9e5c959186b2d0a048ec1450a6107fb6679280e557c9aa0215b27c7197e00bc2ec54f6f33302b9be792a75f3685f61f26695b0f37a92f3b8040532082db

  • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1SS20pT5.exe
    Filesize

    378KB

    MD5

    25946afd455a920541192ac878a714ac

    SHA1

    4e8edd37d9358bdd9858bb2b6abe4eb9df4b4d9a

    SHA256

    76e905725074287687ce5d1d3a55613206a04671e89fee998c9ad44ffd99af46

    SHA512

    9a81f9e5c959186b2d0a048ec1450a6107fb6679280e557c9aa0215b27c7197e00bc2ec54f6f33302b9be792a75f3685f61f26695b0f37a92f3b8040532082db

  • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1SS20pT5.exe
    Filesize

    378KB

    MD5

    25946afd455a920541192ac878a714ac

    SHA1

    4e8edd37d9358bdd9858bb2b6abe4eb9df4b4d9a

    SHA256

    76e905725074287687ce5d1d3a55613206a04671e89fee998c9ad44ffd99af46

    SHA512

    9a81f9e5c959186b2d0a048ec1450a6107fb6679280e557c9aa0215b27c7197e00bc2ec54f6f33302b9be792a75f3685f61f26695b0f37a92f3b8040532082db

  • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1SS20pT5.exe
    Filesize

    378KB

    MD5

    25946afd455a920541192ac878a714ac

    SHA1

    4e8edd37d9358bdd9858bb2b6abe4eb9df4b4d9a

    SHA256

    76e905725074287687ce5d1d3a55613206a04671e89fee998c9ad44ffd99af46

    SHA512

    9a81f9e5c959186b2d0a048ec1450a6107fb6679280e557c9aa0215b27c7197e00bc2ec54f6f33302b9be792a75f3685f61f26695b0f37a92f3b8040532082db

  • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1SS20pT5.exe
    Filesize

    378KB

    MD5

    25946afd455a920541192ac878a714ac

    SHA1

    4e8edd37d9358bdd9858bb2b6abe4eb9df4b4d9a

    SHA256

    76e905725074287687ce5d1d3a55613206a04671e89fee998c9ad44ffd99af46

    SHA512

    9a81f9e5c959186b2d0a048ec1450a6107fb6679280e557c9aa0215b27c7197e00bc2ec54f6f33302b9be792a75f3685f61f26695b0f37a92f3b8040532082db

  • memory/2628-59-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
    Filesize

    4KB

  • memory/2628-58-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2628-53-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2628-60-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2628-62-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2628-64-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2628-57-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2628-56-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2628-55-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2628-54-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB