Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    06/10/2023, 13:24

General

  • Target

    NEAS.37a81bd1ee8e13048f5a71bee31fa16b0065f84b90670474c4e6d9a3d5ffb32fexe_JC.exe

  • Size

    1.5MB

  • MD5

    aab63c233da2acf54393ba50f92bf7f5

  • SHA1

    8b94aaa8002c4ab6665d86dd079783bcc15a78ee

  • SHA256

    37a81bd1ee8e13048f5a71bee31fa16b0065f84b90670474c4e6d9a3d5ffb32f

  • SHA512

    a5eb6da1d6e8d2463c1ff70c0b7cfe4df4566cf910fae6ab018db1f2f0b724278e01a89a029c2ff00eab1f5abd4f99c215cca54c96e48a59aed4e0a1bb31e58c

  • SSDEEP

    24576:ByVjLdwJ4tg3Sc27AXy6d2n5HXMXsASI2ghNRXcgEI++YQygNaApK2j/gCP:0VjGJ4ux27od+5H8X/TEI++DGC

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 14 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.37a81bd1ee8e13048f5a71bee31fa16b0065f84b90670474c4e6d9a3d5ffb32fexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.37a81bd1ee8e13048f5a71bee31fa16b0065f84b90670474c4e6d9a3d5ffb32fexe_JC.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2544
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fk7Pk7PQ.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fk7Pk7PQ.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2332
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Ft5lV6qZ.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Ft5lV6qZ.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:2740
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\oK4Qc9bi.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\oK4Qc9bi.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:2588
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\Bg9VR0Pa.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\Bg9VR0Pa.exe
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Adds Run key to start application
            • Suspicious use of WriteProcessMemory
            PID:2612
            • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Ds67zT4.exe
              C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Ds67zT4.exe
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:2592
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                7⤵
                  PID:2492
                • 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:2632
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2632 -s 268
                    8⤵
                    • Program crash
                    PID:2460
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2592 -s 292
                  7⤵
                  • Loads dropped DLL
                  • Program crash
                  PID:2572

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fk7Pk7PQ.exe

      Filesize

      1.3MB

      MD5

      42a40d9b6e4708172d21bfcb1f11aee5

      SHA1

      0885c2b369306a64136fc909c798e6de1d1b61c3

      SHA256

      1311ce2db8587ef2efbd04586c99f25ee93d5ee626ba0db83bd8df3427a5276f

      SHA512

      07ce22273df5404c4bd29fc021ebaba3527a781552df58879bbc15a0e5fe9755d548363653eadd8f192c1fdad65c31e3608d928761ead62b68f101e6780ec740

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fk7Pk7PQ.exe

      Filesize

      1.3MB

      MD5

      42a40d9b6e4708172d21bfcb1f11aee5

      SHA1

      0885c2b369306a64136fc909c798e6de1d1b61c3

      SHA256

      1311ce2db8587ef2efbd04586c99f25ee93d5ee626ba0db83bd8df3427a5276f

      SHA512

      07ce22273df5404c4bd29fc021ebaba3527a781552df58879bbc15a0e5fe9755d548363653eadd8f192c1fdad65c31e3608d928761ead62b68f101e6780ec740

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Ft5lV6qZ.exe

      Filesize

      1.1MB

      MD5

      a874747f9d7b6d0941fd26338f19d53c

      SHA1

      e62ebd34052c0058436e12860157a1e88602936a

      SHA256

      2c09d33ba0a8e269ff090ef9be52ab5c089d9462b46e00bff99bc55aa206a0f5

      SHA512

      29b9cb48a2c236d60ff6562d7ab665e6204c33bde68dea1fcdce47b48dd1c9451b92c080c20b70785b33adf6841944f5ff9db51a31a09a165c9ed901f5a16292

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Ft5lV6qZ.exe

      Filesize

      1.1MB

      MD5

      a874747f9d7b6d0941fd26338f19d53c

      SHA1

      e62ebd34052c0058436e12860157a1e88602936a

      SHA256

      2c09d33ba0a8e269ff090ef9be52ab5c089d9462b46e00bff99bc55aa206a0f5

      SHA512

      29b9cb48a2c236d60ff6562d7ab665e6204c33bde68dea1fcdce47b48dd1c9451b92c080c20b70785b33adf6841944f5ff9db51a31a09a165c9ed901f5a16292

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\oK4Qc9bi.exe

      Filesize

      735KB

      MD5

      6dcc042f08cd61559b1352c278b5570d

      SHA1

      9d2628609668b36028e9c596dc632c2c1a41b578

      SHA256

      519490e5502bd6658f4cec2c5d18e890500b26edc6ea7c265c709a85d0188582

      SHA512

      59fdae6219dd204fec2b86a08ba80b5c91509da755fd058e88d53cc921402ba78dd45a0799133e71f5063f363a5741e118084e13eb14cc361f703497a31ca07d

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\oK4Qc9bi.exe

      Filesize

      735KB

      MD5

      6dcc042f08cd61559b1352c278b5570d

      SHA1

      9d2628609668b36028e9c596dc632c2c1a41b578

      SHA256

      519490e5502bd6658f4cec2c5d18e890500b26edc6ea7c265c709a85d0188582

      SHA512

      59fdae6219dd204fec2b86a08ba80b5c91509da755fd058e88d53cc921402ba78dd45a0799133e71f5063f363a5741e118084e13eb14cc361f703497a31ca07d

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\Bg9VR0Pa.exe

      Filesize

      562KB

      MD5

      18b1a5f1db4590cfc6bee22c44ca057c

      SHA1

      dec704c9b36762c5ce4a26d990ffff0ff1285d11

      SHA256

      7d53c3206384265ba7553d588562d7c4a88d0e7ff44fb1baee70a18c98bbede6

      SHA512

      4d9f642d2a19635a3c563a58807e9e40682a85e3ceb96ba943f18ca012b7abed390e5a48ae013347e443bff071a66fcddf8ce1b586d0cedacb6d30bc0064537e

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\Bg9VR0Pa.exe

      Filesize

      562KB

      MD5

      18b1a5f1db4590cfc6bee22c44ca057c

      SHA1

      dec704c9b36762c5ce4a26d990ffff0ff1285d11

      SHA256

      7d53c3206384265ba7553d588562d7c4a88d0e7ff44fb1baee70a18c98bbede6

      SHA512

      4d9f642d2a19635a3c563a58807e9e40682a85e3ceb96ba943f18ca012b7abed390e5a48ae013347e443bff071a66fcddf8ce1b586d0cedacb6d30bc0064537e

    • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Ds67zT4.exe

      Filesize

      1.4MB

      MD5

      e3516609fbf6972217835e9ed61c20fd

      SHA1

      3f8d9ca9331754a7c8b4e1dde48339994a8dea32

      SHA256

      68b6a5126661d13b56a808d195850112b421f67457025d5ab0a186dc43cc41d5

      SHA512

      5edcbe8eca6764a52aa627b241e1f086c6a6ab8938d3ce27095ff3664904f1a08dd008bf0e2fd45afb8e5c61bd4035fb691ccdadd5537c8c3871a6d645829bd6

    • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Ds67zT4.exe

      Filesize

      1.4MB

      MD5

      e3516609fbf6972217835e9ed61c20fd

      SHA1

      3f8d9ca9331754a7c8b4e1dde48339994a8dea32

      SHA256

      68b6a5126661d13b56a808d195850112b421f67457025d5ab0a186dc43cc41d5

      SHA512

      5edcbe8eca6764a52aa627b241e1f086c6a6ab8938d3ce27095ff3664904f1a08dd008bf0e2fd45afb8e5c61bd4035fb691ccdadd5537c8c3871a6d645829bd6

    • \Users\Admin\AppData\Local\Temp\IXP000.TMP\fk7Pk7PQ.exe

      Filesize

      1.3MB

      MD5

      42a40d9b6e4708172d21bfcb1f11aee5

      SHA1

      0885c2b369306a64136fc909c798e6de1d1b61c3

      SHA256

      1311ce2db8587ef2efbd04586c99f25ee93d5ee626ba0db83bd8df3427a5276f

      SHA512

      07ce22273df5404c4bd29fc021ebaba3527a781552df58879bbc15a0e5fe9755d548363653eadd8f192c1fdad65c31e3608d928761ead62b68f101e6780ec740

    • \Users\Admin\AppData\Local\Temp\IXP000.TMP\fk7Pk7PQ.exe

      Filesize

      1.3MB

      MD5

      42a40d9b6e4708172d21bfcb1f11aee5

      SHA1

      0885c2b369306a64136fc909c798e6de1d1b61c3

      SHA256

      1311ce2db8587ef2efbd04586c99f25ee93d5ee626ba0db83bd8df3427a5276f

      SHA512

      07ce22273df5404c4bd29fc021ebaba3527a781552df58879bbc15a0e5fe9755d548363653eadd8f192c1fdad65c31e3608d928761ead62b68f101e6780ec740

    • \Users\Admin\AppData\Local\Temp\IXP001.TMP\Ft5lV6qZ.exe

      Filesize

      1.1MB

      MD5

      a874747f9d7b6d0941fd26338f19d53c

      SHA1

      e62ebd34052c0058436e12860157a1e88602936a

      SHA256

      2c09d33ba0a8e269ff090ef9be52ab5c089d9462b46e00bff99bc55aa206a0f5

      SHA512

      29b9cb48a2c236d60ff6562d7ab665e6204c33bde68dea1fcdce47b48dd1c9451b92c080c20b70785b33adf6841944f5ff9db51a31a09a165c9ed901f5a16292

    • \Users\Admin\AppData\Local\Temp\IXP001.TMP\Ft5lV6qZ.exe

      Filesize

      1.1MB

      MD5

      a874747f9d7b6d0941fd26338f19d53c

      SHA1

      e62ebd34052c0058436e12860157a1e88602936a

      SHA256

      2c09d33ba0a8e269ff090ef9be52ab5c089d9462b46e00bff99bc55aa206a0f5

      SHA512

      29b9cb48a2c236d60ff6562d7ab665e6204c33bde68dea1fcdce47b48dd1c9451b92c080c20b70785b33adf6841944f5ff9db51a31a09a165c9ed901f5a16292

    • \Users\Admin\AppData\Local\Temp\IXP002.TMP\oK4Qc9bi.exe

      Filesize

      735KB

      MD5

      6dcc042f08cd61559b1352c278b5570d

      SHA1

      9d2628609668b36028e9c596dc632c2c1a41b578

      SHA256

      519490e5502bd6658f4cec2c5d18e890500b26edc6ea7c265c709a85d0188582

      SHA512

      59fdae6219dd204fec2b86a08ba80b5c91509da755fd058e88d53cc921402ba78dd45a0799133e71f5063f363a5741e118084e13eb14cc361f703497a31ca07d

    • \Users\Admin\AppData\Local\Temp\IXP002.TMP\oK4Qc9bi.exe

      Filesize

      735KB

      MD5

      6dcc042f08cd61559b1352c278b5570d

      SHA1

      9d2628609668b36028e9c596dc632c2c1a41b578

      SHA256

      519490e5502bd6658f4cec2c5d18e890500b26edc6ea7c265c709a85d0188582

      SHA512

      59fdae6219dd204fec2b86a08ba80b5c91509da755fd058e88d53cc921402ba78dd45a0799133e71f5063f363a5741e118084e13eb14cc361f703497a31ca07d

    • \Users\Admin\AppData\Local\Temp\IXP003.TMP\Bg9VR0Pa.exe

      Filesize

      562KB

      MD5

      18b1a5f1db4590cfc6bee22c44ca057c

      SHA1

      dec704c9b36762c5ce4a26d990ffff0ff1285d11

      SHA256

      7d53c3206384265ba7553d588562d7c4a88d0e7ff44fb1baee70a18c98bbede6

      SHA512

      4d9f642d2a19635a3c563a58807e9e40682a85e3ceb96ba943f18ca012b7abed390e5a48ae013347e443bff071a66fcddf8ce1b586d0cedacb6d30bc0064537e

    • \Users\Admin\AppData\Local\Temp\IXP003.TMP\Bg9VR0Pa.exe

      Filesize

      562KB

      MD5

      18b1a5f1db4590cfc6bee22c44ca057c

      SHA1

      dec704c9b36762c5ce4a26d990ffff0ff1285d11

      SHA256

      7d53c3206384265ba7553d588562d7c4a88d0e7ff44fb1baee70a18c98bbede6

      SHA512

      4d9f642d2a19635a3c563a58807e9e40682a85e3ceb96ba943f18ca012b7abed390e5a48ae013347e443bff071a66fcddf8ce1b586d0cedacb6d30bc0064537e

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1Ds67zT4.exe

      Filesize

      1.4MB

      MD5

      e3516609fbf6972217835e9ed61c20fd

      SHA1

      3f8d9ca9331754a7c8b4e1dde48339994a8dea32

      SHA256

      68b6a5126661d13b56a808d195850112b421f67457025d5ab0a186dc43cc41d5

      SHA512

      5edcbe8eca6764a52aa627b241e1f086c6a6ab8938d3ce27095ff3664904f1a08dd008bf0e2fd45afb8e5c61bd4035fb691ccdadd5537c8c3871a6d645829bd6

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1Ds67zT4.exe

      Filesize

      1.4MB

      MD5

      e3516609fbf6972217835e9ed61c20fd

      SHA1

      3f8d9ca9331754a7c8b4e1dde48339994a8dea32

      SHA256

      68b6a5126661d13b56a808d195850112b421f67457025d5ab0a186dc43cc41d5

      SHA512

      5edcbe8eca6764a52aa627b241e1f086c6a6ab8938d3ce27095ff3664904f1a08dd008bf0e2fd45afb8e5c61bd4035fb691ccdadd5537c8c3871a6d645829bd6

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1Ds67zT4.exe

      Filesize

      1.4MB

      MD5

      e3516609fbf6972217835e9ed61c20fd

      SHA1

      3f8d9ca9331754a7c8b4e1dde48339994a8dea32

      SHA256

      68b6a5126661d13b56a808d195850112b421f67457025d5ab0a186dc43cc41d5

      SHA512

      5edcbe8eca6764a52aa627b241e1f086c6a6ab8938d3ce27095ff3664904f1a08dd008bf0e2fd45afb8e5c61bd4035fb691ccdadd5537c8c3871a6d645829bd6

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1Ds67zT4.exe

      Filesize

      1.4MB

      MD5

      e3516609fbf6972217835e9ed61c20fd

      SHA1

      3f8d9ca9331754a7c8b4e1dde48339994a8dea32

      SHA256

      68b6a5126661d13b56a808d195850112b421f67457025d5ab0a186dc43cc41d5

      SHA512

      5edcbe8eca6764a52aa627b241e1f086c6a6ab8938d3ce27095ff3664904f1a08dd008bf0e2fd45afb8e5c61bd4035fb691ccdadd5537c8c3871a6d645829bd6

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1Ds67zT4.exe

      Filesize

      1.4MB

      MD5

      e3516609fbf6972217835e9ed61c20fd

      SHA1

      3f8d9ca9331754a7c8b4e1dde48339994a8dea32

      SHA256

      68b6a5126661d13b56a808d195850112b421f67457025d5ab0a186dc43cc41d5

      SHA512

      5edcbe8eca6764a52aa627b241e1f086c6a6ab8938d3ce27095ff3664904f1a08dd008bf0e2fd45afb8e5c61bd4035fb691ccdadd5537c8c3871a6d645829bd6

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1Ds67zT4.exe

      Filesize

      1.4MB

      MD5

      e3516609fbf6972217835e9ed61c20fd

      SHA1

      3f8d9ca9331754a7c8b4e1dde48339994a8dea32

      SHA256

      68b6a5126661d13b56a808d195850112b421f67457025d5ab0a186dc43cc41d5

      SHA512

      5edcbe8eca6764a52aa627b241e1f086c6a6ab8938d3ce27095ff3664904f1a08dd008bf0e2fd45afb8e5c61bd4035fb691ccdadd5537c8c3871a6d645829bd6

    • memory/2632-55-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

    • memory/2632-54-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

    • memory/2632-56-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

      Filesize

      4KB

    • memory/2632-57-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

    • memory/2632-59-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

    • memory/2632-61-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

    • memory/2632-53-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

    • memory/2632-52-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

    • memory/2632-50-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

    • memory/2632-51-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB