Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    07-10-2023 11:30

General

  • Target

    NEAS.3b3de6f1483c2e36638b183c5b4b1d16764a7f3a89b934cedddad6423bd101ef_JC.exe

  • Size

    1.2MB

  • MD5

    963e4375037049d27ab3ffd5adc557a4

  • SHA1

    4209b2805b0bdb64b0b1a33d282f0106dda5e4f7

  • SHA256

    3b3de6f1483c2e36638b183c5b4b1d16764a7f3a89b934cedddad6423bd101ef

  • SHA512

    c00f580e86dd507f4b4bb0f93341fdbca6e12983628d3f1bf4797d7c1b8357a3563829daf71a8f3f6ec81d2bce944be1b34142938ff64c4b7f49249ecd400148

  • SSDEEP

    24576:2y8i1yIFHYMKqnG8O6DcEooZTmpi06YKofepIG:F8ayYK38O65ooZfEKP

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.3b3de6f1483c2e36638b183c5b4b1d16764a7f3a89b934cedddad6423bd101ef_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.3b3de6f1483c2e36638b183c5b4b1d16764a7f3a89b934cedddad6423bd101ef_JC.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1260
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\us0Yx9JW.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\us0Yx9JW.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2460
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\fU1wP1IX.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\fU1wP1IX.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:2104
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dZ1qT3MD.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dZ1qT3MD.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:2768
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\Ez9yh3Qe.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\Ez9yh3Qe.exe
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Adds Run key to start application
            • Suspicious use of WriteProcessMemory
            PID:2656
            • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1eX99ZQ3.exe
              C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1eX99ZQ3.exe
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:2956
              • 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:2052
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2052 -s 268
                  8⤵
                  • Program crash
                  PID:2552
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2956 -s 284
                7⤵
                • Loads dropped DLL
                • Program crash
                PID:2536

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\us0Yx9JW.exe
    Filesize

    1.0MB

    MD5

    04988134fc34e3b002b0c4f4bf08d6d2

    SHA1

    d9fad07b22384d9eb3217a92cfd7ce1fd4dc6936

    SHA256

    20bd46e79eb2f92599ff92f912e1f0caa9f938ebe52d941ce6c41f1442d9fe76

    SHA512

    dbd25971d3527b5a8d74bc5b3c3bdf059266201b43b37c5f2f6d40071369b0ea81b140dce3d1aaa7278d658fdbb20d921a7ac742e8ea85a55c055193b95f1a11

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\us0Yx9JW.exe
    Filesize

    1.0MB

    MD5

    04988134fc34e3b002b0c4f4bf08d6d2

    SHA1

    d9fad07b22384d9eb3217a92cfd7ce1fd4dc6936

    SHA256

    20bd46e79eb2f92599ff92f912e1f0caa9f938ebe52d941ce6c41f1442d9fe76

    SHA512

    dbd25971d3527b5a8d74bc5b3c3bdf059266201b43b37c5f2f6d40071369b0ea81b140dce3d1aaa7278d658fdbb20d921a7ac742e8ea85a55c055193b95f1a11

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\fU1wP1IX.exe
    Filesize

    884KB

    MD5

    d12d69943b4a3117ca6fe762493a4037

    SHA1

    ed97c5373bd319d2555290ffb8f65e048cafacd6

    SHA256

    2167fdd07aed291de15afe0b2417fdef3c3c98e5310194443ba5132a2f707625

    SHA512

    8246fe99cd7e0bde766d878047bae32edbf56021e3841a95b9155b995e12cb4b1ce81ba5cb8ed98622ba78cc2a8c49f318f0d3f95074d40a5fe668a4fc34d470

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\fU1wP1IX.exe
    Filesize

    884KB

    MD5

    d12d69943b4a3117ca6fe762493a4037

    SHA1

    ed97c5373bd319d2555290ffb8f65e048cafacd6

    SHA256

    2167fdd07aed291de15afe0b2417fdef3c3c98e5310194443ba5132a2f707625

    SHA512

    8246fe99cd7e0bde766d878047bae32edbf56021e3841a95b9155b995e12cb4b1ce81ba5cb8ed98622ba78cc2a8c49f318f0d3f95074d40a5fe668a4fc34d470

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dZ1qT3MD.exe
    Filesize

    590KB

    MD5

    cdd6b82cf45bde6268643c1264fa8853

    SHA1

    9674a0839641b050fc0e10c7beb844a64477b871

    SHA256

    17bfdfc4459d56f82bfa2d99a6057a964ec113b2a7a6947602c1551d058f4405

    SHA512

    317984df9d77e83653eecd6309d86393c034a0158687f3fb5edcdfec6041c093c1d1477a0e03b37f4b84bd389f076401b61d44d1582458066005e947ea86ebb3

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\dZ1qT3MD.exe
    Filesize

    590KB

    MD5

    cdd6b82cf45bde6268643c1264fa8853

    SHA1

    9674a0839641b050fc0e10c7beb844a64477b871

    SHA256

    17bfdfc4459d56f82bfa2d99a6057a964ec113b2a7a6947602c1551d058f4405

    SHA512

    317984df9d77e83653eecd6309d86393c034a0158687f3fb5edcdfec6041c093c1d1477a0e03b37f4b84bd389f076401b61d44d1582458066005e947ea86ebb3

  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\Ez9yh3Qe.exe
    Filesize

    417KB

    MD5

    925e051dd32695ed9f1732e5b34f5cfa

    SHA1

    9ea8bf3a790bd9e26fc6f6c5031e5895af548ec3

    SHA256

    6cc2b998986cc57a61ac9baa463c35da2d4a48514f102f692a5720fda6d0c2f6

    SHA512

    be11f563498344be41f34768b692aa0f7b51ed68348924892ddf805161754032b50104d33c0cc1218572caef9952747869533146190eb4c50fa5f10ac84b93d6

  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\Ez9yh3Qe.exe
    Filesize

    417KB

    MD5

    925e051dd32695ed9f1732e5b34f5cfa

    SHA1

    9ea8bf3a790bd9e26fc6f6c5031e5895af548ec3

    SHA256

    6cc2b998986cc57a61ac9baa463c35da2d4a48514f102f692a5720fda6d0c2f6

    SHA512

    be11f563498344be41f34768b692aa0f7b51ed68348924892ddf805161754032b50104d33c0cc1218572caef9952747869533146190eb4c50fa5f10ac84b93d6

  • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1eX99ZQ3.exe
    Filesize

    378KB

    MD5

    83e6bc07d036f14d1f9eb9b5dd895d0b

    SHA1

    867cdc126ec79599f7a06add0cb7a3ce85fcb8b9

    SHA256

    76b2c629004bf66b8020b9705e0025da818af440d4378b1d7aebeeb9e0ebd160

    SHA512

    cad569f1ca25b62f157520e9a9b749da9075515296f5b692826292e359795227fbff3bc8c2bc9916a77c0b88ba7537d2fb12d47d1851aff699978b1857e254dd

  • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1eX99ZQ3.exe
    Filesize

    378KB

    MD5

    83e6bc07d036f14d1f9eb9b5dd895d0b

    SHA1

    867cdc126ec79599f7a06add0cb7a3ce85fcb8b9

    SHA256

    76b2c629004bf66b8020b9705e0025da818af440d4378b1d7aebeeb9e0ebd160

    SHA512

    cad569f1ca25b62f157520e9a9b749da9075515296f5b692826292e359795227fbff3bc8c2bc9916a77c0b88ba7537d2fb12d47d1851aff699978b1857e254dd

  • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1eX99ZQ3.exe
    Filesize

    378KB

    MD5

    83e6bc07d036f14d1f9eb9b5dd895d0b

    SHA1

    867cdc126ec79599f7a06add0cb7a3ce85fcb8b9

    SHA256

    76b2c629004bf66b8020b9705e0025da818af440d4378b1d7aebeeb9e0ebd160

    SHA512

    cad569f1ca25b62f157520e9a9b749da9075515296f5b692826292e359795227fbff3bc8c2bc9916a77c0b88ba7537d2fb12d47d1851aff699978b1857e254dd

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\us0Yx9JW.exe
    Filesize

    1.0MB

    MD5

    04988134fc34e3b002b0c4f4bf08d6d2

    SHA1

    d9fad07b22384d9eb3217a92cfd7ce1fd4dc6936

    SHA256

    20bd46e79eb2f92599ff92f912e1f0caa9f938ebe52d941ce6c41f1442d9fe76

    SHA512

    dbd25971d3527b5a8d74bc5b3c3bdf059266201b43b37c5f2f6d40071369b0ea81b140dce3d1aaa7278d658fdbb20d921a7ac742e8ea85a55c055193b95f1a11

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\us0Yx9JW.exe
    Filesize

    1.0MB

    MD5

    04988134fc34e3b002b0c4f4bf08d6d2

    SHA1

    d9fad07b22384d9eb3217a92cfd7ce1fd4dc6936

    SHA256

    20bd46e79eb2f92599ff92f912e1f0caa9f938ebe52d941ce6c41f1442d9fe76

    SHA512

    dbd25971d3527b5a8d74bc5b3c3bdf059266201b43b37c5f2f6d40071369b0ea81b140dce3d1aaa7278d658fdbb20d921a7ac742e8ea85a55c055193b95f1a11

  • \Users\Admin\AppData\Local\Temp\IXP001.TMP\fU1wP1IX.exe
    Filesize

    884KB

    MD5

    d12d69943b4a3117ca6fe762493a4037

    SHA1

    ed97c5373bd319d2555290ffb8f65e048cafacd6

    SHA256

    2167fdd07aed291de15afe0b2417fdef3c3c98e5310194443ba5132a2f707625

    SHA512

    8246fe99cd7e0bde766d878047bae32edbf56021e3841a95b9155b995e12cb4b1ce81ba5cb8ed98622ba78cc2a8c49f318f0d3f95074d40a5fe668a4fc34d470

  • \Users\Admin\AppData\Local\Temp\IXP001.TMP\fU1wP1IX.exe
    Filesize

    884KB

    MD5

    d12d69943b4a3117ca6fe762493a4037

    SHA1

    ed97c5373bd319d2555290ffb8f65e048cafacd6

    SHA256

    2167fdd07aed291de15afe0b2417fdef3c3c98e5310194443ba5132a2f707625

    SHA512

    8246fe99cd7e0bde766d878047bae32edbf56021e3841a95b9155b995e12cb4b1ce81ba5cb8ed98622ba78cc2a8c49f318f0d3f95074d40a5fe668a4fc34d470

  • \Users\Admin\AppData\Local\Temp\IXP002.TMP\dZ1qT3MD.exe
    Filesize

    590KB

    MD5

    cdd6b82cf45bde6268643c1264fa8853

    SHA1

    9674a0839641b050fc0e10c7beb844a64477b871

    SHA256

    17bfdfc4459d56f82bfa2d99a6057a964ec113b2a7a6947602c1551d058f4405

    SHA512

    317984df9d77e83653eecd6309d86393c034a0158687f3fb5edcdfec6041c093c1d1477a0e03b37f4b84bd389f076401b61d44d1582458066005e947ea86ebb3

  • \Users\Admin\AppData\Local\Temp\IXP002.TMP\dZ1qT3MD.exe
    Filesize

    590KB

    MD5

    cdd6b82cf45bde6268643c1264fa8853

    SHA1

    9674a0839641b050fc0e10c7beb844a64477b871

    SHA256

    17bfdfc4459d56f82bfa2d99a6057a964ec113b2a7a6947602c1551d058f4405

    SHA512

    317984df9d77e83653eecd6309d86393c034a0158687f3fb5edcdfec6041c093c1d1477a0e03b37f4b84bd389f076401b61d44d1582458066005e947ea86ebb3

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\Ez9yh3Qe.exe
    Filesize

    417KB

    MD5

    925e051dd32695ed9f1732e5b34f5cfa

    SHA1

    9ea8bf3a790bd9e26fc6f6c5031e5895af548ec3

    SHA256

    6cc2b998986cc57a61ac9baa463c35da2d4a48514f102f692a5720fda6d0c2f6

    SHA512

    be11f563498344be41f34768b692aa0f7b51ed68348924892ddf805161754032b50104d33c0cc1218572caef9952747869533146190eb4c50fa5f10ac84b93d6

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\Ez9yh3Qe.exe
    Filesize

    417KB

    MD5

    925e051dd32695ed9f1732e5b34f5cfa

    SHA1

    9ea8bf3a790bd9e26fc6f6c5031e5895af548ec3

    SHA256

    6cc2b998986cc57a61ac9baa463c35da2d4a48514f102f692a5720fda6d0c2f6

    SHA512

    be11f563498344be41f34768b692aa0f7b51ed68348924892ddf805161754032b50104d33c0cc1218572caef9952747869533146190eb4c50fa5f10ac84b93d6

  • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1eX99ZQ3.exe
    Filesize

    378KB

    MD5

    83e6bc07d036f14d1f9eb9b5dd895d0b

    SHA1

    867cdc126ec79599f7a06add0cb7a3ce85fcb8b9

    SHA256

    76b2c629004bf66b8020b9705e0025da818af440d4378b1d7aebeeb9e0ebd160

    SHA512

    cad569f1ca25b62f157520e9a9b749da9075515296f5b692826292e359795227fbff3bc8c2bc9916a77c0b88ba7537d2fb12d47d1851aff699978b1857e254dd

  • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1eX99ZQ3.exe
    Filesize

    378KB

    MD5

    83e6bc07d036f14d1f9eb9b5dd895d0b

    SHA1

    867cdc126ec79599f7a06add0cb7a3ce85fcb8b9

    SHA256

    76b2c629004bf66b8020b9705e0025da818af440d4378b1d7aebeeb9e0ebd160

    SHA512

    cad569f1ca25b62f157520e9a9b749da9075515296f5b692826292e359795227fbff3bc8c2bc9916a77c0b88ba7537d2fb12d47d1851aff699978b1857e254dd

  • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1eX99ZQ3.exe
    Filesize

    378KB

    MD5

    83e6bc07d036f14d1f9eb9b5dd895d0b

    SHA1

    867cdc126ec79599f7a06add0cb7a3ce85fcb8b9

    SHA256

    76b2c629004bf66b8020b9705e0025da818af440d4378b1d7aebeeb9e0ebd160

    SHA512

    cad569f1ca25b62f157520e9a9b749da9075515296f5b692826292e359795227fbff3bc8c2bc9916a77c0b88ba7537d2fb12d47d1851aff699978b1857e254dd

  • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1eX99ZQ3.exe
    Filesize

    378KB

    MD5

    83e6bc07d036f14d1f9eb9b5dd895d0b

    SHA1

    867cdc126ec79599f7a06add0cb7a3ce85fcb8b9

    SHA256

    76b2c629004bf66b8020b9705e0025da818af440d4378b1d7aebeeb9e0ebd160

    SHA512

    cad569f1ca25b62f157520e9a9b749da9075515296f5b692826292e359795227fbff3bc8c2bc9916a77c0b88ba7537d2fb12d47d1851aff699978b1857e254dd

  • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1eX99ZQ3.exe
    Filesize

    378KB

    MD5

    83e6bc07d036f14d1f9eb9b5dd895d0b

    SHA1

    867cdc126ec79599f7a06add0cb7a3ce85fcb8b9

    SHA256

    76b2c629004bf66b8020b9705e0025da818af440d4378b1d7aebeeb9e0ebd160

    SHA512

    cad569f1ca25b62f157520e9a9b749da9075515296f5b692826292e359795227fbff3bc8c2bc9916a77c0b88ba7537d2fb12d47d1851aff699978b1857e254dd

  • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1eX99ZQ3.exe
    Filesize

    378KB

    MD5

    83e6bc07d036f14d1f9eb9b5dd895d0b

    SHA1

    867cdc126ec79599f7a06add0cb7a3ce85fcb8b9

    SHA256

    76b2c629004bf66b8020b9705e0025da818af440d4378b1d7aebeeb9e0ebd160

    SHA512

    cad569f1ca25b62f157520e9a9b749da9075515296f5b692826292e359795227fbff3bc8c2bc9916a77c0b88ba7537d2fb12d47d1851aff699978b1857e254dd

  • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1eX99ZQ3.exe
    Filesize

    378KB

    MD5

    83e6bc07d036f14d1f9eb9b5dd895d0b

    SHA1

    867cdc126ec79599f7a06add0cb7a3ce85fcb8b9

    SHA256

    76b2c629004bf66b8020b9705e0025da818af440d4378b1d7aebeeb9e0ebd160

    SHA512

    cad569f1ca25b62f157520e9a9b749da9075515296f5b692826292e359795227fbff3bc8c2bc9916a77c0b88ba7537d2fb12d47d1851aff699978b1857e254dd

  • memory/2052-58-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2052-57-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2052-59-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
    Filesize

    4KB

  • memory/2052-60-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2052-64-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2052-62-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2052-56-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2052-55-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2052-54-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2052-53-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB