Analysis

  • max time kernel
    121s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    07-10-2023 12:38

General

  • Target

    NEAS.7ffa888fbab3ebf2f529903826e30370223800cb9e63fec0dcd7a9683e6021e1_JC.exe

  • Size

    1.2MB

  • MD5

    dfafeb88c07aa7136b3abb4c38d62687

  • SHA1

    7c2dbb25dfab28360a07d326ad85ac91fc4f859b

  • SHA256

    7ffa888fbab3ebf2f529903826e30370223800cb9e63fec0dcd7a9683e6021e1

  • SHA512

    ecf7b0798b11b32934c9e9e1621cca66de7d10bdd5a227be1b02b65af4aa92be89127b29fea160e3d2c1f9e29b6734cf2244ff962068d6d9dd4e07bfcc98bc59

  • SSDEEP

    24576:JyJX6WLz4L3SKLNtGMtRE7+Ra8Zoiub1iop2zSlofRq9O:8JKu4bSgtR4woN2c9

Malware Config

Extracted

Family

mystic

C2

http://5.42.92.211/loghub/master

Signatures

  • Detect Mystic stealer payload 8 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 1 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.7ffa888fbab3ebf2f529903826e30370223800cb9e63fec0dcd7a9683e6021e1_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.7ffa888fbab3ebf2f529903826e30370223800cb9e63fec0dcd7a9683e6021e1_JC.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2852
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\qY3IT2vS.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\qY3IT2vS.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1988
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Bb6tk4gA.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Bb6tk4gA.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1672
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\UA0dr1jB.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\UA0dr1jB.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:2348
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\LM8lO9hX.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\LM8lO9hX.exe
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Adds Run key to start application
            • Suspicious use of WriteProcessMemory
            PID:2792
            • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Nh04DF3.exe
              C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Nh04DF3.exe
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:2620
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                7⤵
                  PID:2088
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2620 -s 284
                  7⤵
                  • Loads dropped DLL
                  • Program crash
                  PID:2624

    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\qY3IT2vS.exe
      Filesize

      1.0MB

      MD5

      7d8bce8a938054d015700b4c48b17712

      SHA1

      97439d5d78eb7f6137f71ac67b2e43cdaeee08fa

      SHA256

      928519206beaf315b784a5ff08e8c5cd0cb87973bb09ea8cc93634ab2f480c28

      SHA512

      cfecd593080010efd4252d2da37baf3fc0a6acc80d5585479b3d16b70ae22e2499e19a2aeee7883c4301e7e621bf278d1b154dfe1f0de0e840f3f418e0f4b2fc

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\qY3IT2vS.exe
      Filesize

      1.0MB

      MD5

      7d8bce8a938054d015700b4c48b17712

      SHA1

      97439d5d78eb7f6137f71ac67b2e43cdaeee08fa

      SHA256

      928519206beaf315b784a5ff08e8c5cd0cb87973bb09ea8cc93634ab2f480c28

      SHA512

      cfecd593080010efd4252d2da37baf3fc0a6acc80d5585479b3d16b70ae22e2499e19a2aeee7883c4301e7e621bf278d1b154dfe1f0de0e840f3f418e0f4b2fc

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Bb6tk4gA.exe
      Filesize

      884KB

      MD5

      1f64d4e95e750972b6ca8da2ca7f200e

      SHA1

      095a309f4b1051dfd077467f53898401614dd5e8

      SHA256

      e4e49b8568937c43bba5621fcfe9e3762efb9c4078b3287603ef249c522d126d

      SHA512

      024e0f80fbdfd0c55b1ffdb782454dbfd5be9facb112fb0bc11c154a227b99a4d9ee512a17e899c58caf7227a4220b464cc4587e694e02675844cdbb5fb071de

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Bb6tk4gA.exe
      Filesize

      884KB

      MD5

      1f64d4e95e750972b6ca8da2ca7f200e

      SHA1

      095a309f4b1051dfd077467f53898401614dd5e8

      SHA256

      e4e49b8568937c43bba5621fcfe9e3762efb9c4078b3287603ef249c522d126d

      SHA512

      024e0f80fbdfd0c55b1ffdb782454dbfd5be9facb112fb0bc11c154a227b99a4d9ee512a17e899c58caf7227a4220b464cc4587e694e02675844cdbb5fb071de

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\UA0dr1jB.exe
      Filesize

      590KB

      MD5

      51c4e08e66ba110fc409dd29756663a9

      SHA1

      eebcc81a6df9af1f9f83338cd4025581063cba16

      SHA256

      9a0c968ae1804661c5bef3200fe2981f14f49e385f32f398316f57620825d0a3

      SHA512

      0adcf46abf851327e0dcbde29f0cbb4ac2a8edb6409dc3656200859c63b1e9a45809bd34ed2ac0d4c8b6fa56a2448bde37af15772b2b18c93a040efaae1466c1

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\UA0dr1jB.exe
      Filesize

      590KB

      MD5

      51c4e08e66ba110fc409dd29756663a9

      SHA1

      eebcc81a6df9af1f9f83338cd4025581063cba16

      SHA256

      9a0c968ae1804661c5bef3200fe2981f14f49e385f32f398316f57620825d0a3

      SHA512

      0adcf46abf851327e0dcbde29f0cbb4ac2a8edb6409dc3656200859c63b1e9a45809bd34ed2ac0d4c8b6fa56a2448bde37af15772b2b18c93a040efaae1466c1

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\LM8lO9hX.exe
      Filesize

      417KB

      MD5

      ed39b18378f94c9be599adcabf326d5e

      SHA1

      242a649a528bfe33d35032338737d9d80d54ddc0

      SHA256

      0289e8beece7f929ee4f1866f135bf6643fc3acb7b1d8f032344a8ea80b0a508

      SHA512

      658c269a273ad03f4b8767d98c09308073a666d99d6efe815d0dd2b2d48d004392e5eda174084bc0fa87b48f39d4a89a4824c5018431ad147e1d611aca3e7a10

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\LM8lO9hX.exe
      Filesize

      417KB

      MD5

      ed39b18378f94c9be599adcabf326d5e

      SHA1

      242a649a528bfe33d35032338737d9d80d54ddc0

      SHA256

      0289e8beece7f929ee4f1866f135bf6643fc3acb7b1d8f032344a8ea80b0a508

      SHA512

      658c269a273ad03f4b8767d98c09308073a666d99d6efe815d0dd2b2d48d004392e5eda174084bc0fa87b48f39d4a89a4824c5018431ad147e1d611aca3e7a10

    • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Nh04DF3.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Nh04DF3.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Nh04DF3.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP000.TMP\qY3IT2vS.exe
      Filesize

      1.0MB

      MD5

      7d8bce8a938054d015700b4c48b17712

      SHA1

      97439d5d78eb7f6137f71ac67b2e43cdaeee08fa

      SHA256

      928519206beaf315b784a5ff08e8c5cd0cb87973bb09ea8cc93634ab2f480c28

      SHA512

      cfecd593080010efd4252d2da37baf3fc0a6acc80d5585479b3d16b70ae22e2499e19a2aeee7883c4301e7e621bf278d1b154dfe1f0de0e840f3f418e0f4b2fc

    • \Users\Admin\AppData\Local\Temp\IXP000.TMP\qY3IT2vS.exe
      Filesize

      1.0MB

      MD5

      7d8bce8a938054d015700b4c48b17712

      SHA1

      97439d5d78eb7f6137f71ac67b2e43cdaeee08fa

      SHA256

      928519206beaf315b784a5ff08e8c5cd0cb87973bb09ea8cc93634ab2f480c28

      SHA512

      cfecd593080010efd4252d2da37baf3fc0a6acc80d5585479b3d16b70ae22e2499e19a2aeee7883c4301e7e621bf278d1b154dfe1f0de0e840f3f418e0f4b2fc

    • \Users\Admin\AppData\Local\Temp\IXP001.TMP\Bb6tk4gA.exe
      Filesize

      884KB

      MD5

      1f64d4e95e750972b6ca8da2ca7f200e

      SHA1

      095a309f4b1051dfd077467f53898401614dd5e8

      SHA256

      e4e49b8568937c43bba5621fcfe9e3762efb9c4078b3287603ef249c522d126d

      SHA512

      024e0f80fbdfd0c55b1ffdb782454dbfd5be9facb112fb0bc11c154a227b99a4d9ee512a17e899c58caf7227a4220b464cc4587e694e02675844cdbb5fb071de

    • \Users\Admin\AppData\Local\Temp\IXP001.TMP\Bb6tk4gA.exe
      Filesize

      884KB

      MD5

      1f64d4e95e750972b6ca8da2ca7f200e

      SHA1

      095a309f4b1051dfd077467f53898401614dd5e8

      SHA256

      e4e49b8568937c43bba5621fcfe9e3762efb9c4078b3287603ef249c522d126d

      SHA512

      024e0f80fbdfd0c55b1ffdb782454dbfd5be9facb112fb0bc11c154a227b99a4d9ee512a17e899c58caf7227a4220b464cc4587e694e02675844cdbb5fb071de

    • \Users\Admin\AppData\Local\Temp\IXP002.TMP\UA0dr1jB.exe
      Filesize

      590KB

      MD5

      51c4e08e66ba110fc409dd29756663a9

      SHA1

      eebcc81a6df9af1f9f83338cd4025581063cba16

      SHA256

      9a0c968ae1804661c5bef3200fe2981f14f49e385f32f398316f57620825d0a3

      SHA512

      0adcf46abf851327e0dcbde29f0cbb4ac2a8edb6409dc3656200859c63b1e9a45809bd34ed2ac0d4c8b6fa56a2448bde37af15772b2b18c93a040efaae1466c1

    • \Users\Admin\AppData\Local\Temp\IXP002.TMP\UA0dr1jB.exe
      Filesize

      590KB

      MD5

      51c4e08e66ba110fc409dd29756663a9

      SHA1

      eebcc81a6df9af1f9f83338cd4025581063cba16

      SHA256

      9a0c968ae1804661c5bef3200fe2981f14f49e385f32f398316f57620825d0a3

      SHA512

      0adcf46abf851327e0dcbde29f0cbb4ac2a8edb6409dc3656200859c63b1e9a45809bd34ed2ac0d4c8b6fa56a2448bde37af15772b2b18c93a040efaae1466c1

    • \Users\Admin\AppData\Local\Temp\IXP003.TMP\LM8lO9hX.exe
      Filesize

      417KB

      MD5

      ed39b18378f94c9be599adcabf326d5e

      SHA1

      242a649a528bfe33d35032338737d9d80d54ddc0

      SHA256

      0289e8beece7f929ee4f1866f135bf6643fc3acb7b1d8f032344a8ea80b0a508

      SHA512

      658c269a273ad03f4b8767d98c09308073a666d99d6efe815d0dd2b2d48d004392e5eda174084bc0fa87b48f39d4a89a4824c5018431ad147e1d611aca3e7a10

    • \Users\Admin\AppData\Local\Temp\IXP003.TMP\LM8lO9hX.exe
      Filesize

      417KB

      MD5

      ed39b18378f94c9be599adcabf326d5e

      SHA1

      242a649a528bfe33d35032338737d9d80d54ddc0

      SHA256

      0289e8beece7f929ee4f1866f135bf6643fc3acb7b1d8f032344a8ea80b0a508

      SHA512

      658c269a273ad03f4b8767d98c09308073a666d99d6efe815d0dd2b2d48d004392e5eda174084bc0fa87b48f39d4a89a4824c5018431ad147e1d611aca3e7a10

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1Nh04DF3.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1Nh04DF3.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1Nh04DF3.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1Nh04DF3.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1Nh04DF3.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1Nh04DF3.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1Nh04DF3.exe
      Filesize

      378KB

      MD5

      f0831f173733de08511f3a0739f278a6

      SHA1

      06dc809d653c5d2c97386084ae13b50a73eb5b60

      SHA256

      8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

      SHA512

      19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

    • memory/2088-55-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2088-63-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2088-66-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2088-65-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
      Filesize

      4KB

    • memory/2088-68-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2088-70-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2088-71-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2088-61-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2088-59-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2088-57-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2088-53-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2088-76-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB