Analysis

  • max time kernel
    117s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    07-10-2023 11:24

General

  • Target

    NEAS.35882445f7d20592fa0206bcd8675c7cedc00d69e633e598c47d2c2a7a3256c0_JC.exe

  • Size

    1.2MB

  • MD5

    89a26436bab56e41e4afb25c6ff499ed

  • SHA1

    943e678bfdae15d90b4c38831d41f3c11686c91e

  • SHA256

    35882445f7d20592fa0206bcd8675c7cedc00d69e633e598c47d2c2a7a3256c0

  • SHA512

    da206fa610c8c754ec4a21ac50f35584d65cb6a248eb96e175ac44de4db1734f27a16672a568c51178232bd4915c14f36652b7469d33eeb98c051fef33fe2075

  • SSDEEP

    24576:5yYyYM1Mi6mlwjuBQk6bLr1fkt3xnNodkhq9wB3npZ9ClZ:sYyY6M/mGLw2ZIH9

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.35882445f7d20592fa0206bcd8675c7cedc00d69e633e598c47d2c2a7a3256c0_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.35882445f7d20592fa0206bcd8675c7cedc00d69e633e598c47d2c2a7a3256c0_JC.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1720
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\NQ4hd6Jq.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\NQ4hd6Jq.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1212
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\hD9RV8nX.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\hD9RV8nX.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1856
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\XS7ZM9jX.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\XS7ZM9jX.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:2776
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\aB9YA7Te.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\aB9YA7Te.exe
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Adds Run key to start application
            • Suspicious use of WriteProcessMemory
            PID:2796
            • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1uy08nd5.exe
              C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1uy08nd5.exe
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:2812
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                7⤵
                  PID:2608
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2812 -s 284
                  7⤵
                  • Loads dropped DLL
                  • Program crash
                  PID:2992

    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\NQ4hd6Jq.exe
      Filesize

      1.0MB

      MD5

      5363284b5468f75413d70146ccd9eace

      SHA1

      a71d2d09ce934b43f0b050fdf2b8184ef1e7315b

      SHA256

      3a0bdbc6ab9dd9aa53acf12d456781ea49e5ec077278db9dc778093783d375b0

      SHA512

      b1106af122a07894754cdb61283f33d46642c1b037959edbc51f4863497a4a779fa20488105335db9fd0f43959c67af756d25eaec1fa3cab3b91a568c4a16347

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\NQ4hd6Jq.exe
      Filesize

      1.0MB

      MD5

      5363284b5468f75413d70146ccd9eace

      SHA1

      a71d2d09ce934b43f0b050fdf2b8184ef1e7315b

      SHA256

      3a0bdbc6ab9dd9aa53acf12d456781ea49e5ec077278db9dc778093783d375b0

      SHA512

      b1106af122a07894754cdb61283f33d46642c1b037959edbc51f4863497a4a779fa20488105335db9fd0f43959c67af756d25eaec1fa3cab3b91a568c4a16347

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\hD9RV8nX.exe
      Filesize

      884KB

      MD5

      4131a66249649f5d2d7b26994069f68a

      SHA1

      a328c56684b0ae7726e966975bb8c34606acb1cf

      SHA256

      7969bcb09ebc9f9c7719f3d629dc5da56e6387543713052b0d6da986f373ce27

      SHA512

      9e5fff7b348ad82efc628a1033ccaa6a1c23ac8385bd1be092cddec761d8e6afcb96c482cce90c2ba2c59490ca89679bca092d45e7c40b841550725789d43e50

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\hD9RV8nX.exe
      Filesize

      884KB

      MD5

      4131a66249649f5d2d7b26994069f68a

      SHA1

      a328c56684b0ae7726e966975bb8c34606acb1cf

      SHA256

      7969bcb09ebc9f9c7719f3d629dc5da56e6387543713052b0d6da986f373ce27

      SHA512

      9e5fff7b348ad82efc628a1033ccaa6a1c23ac8385bd1be092cddec761d8e6afcb96c482cce90c2ba2c59490ca89679bca092d45e7c40b841550725789d43e50

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\XS7ZM9jX.exe
      Filesize

      590KB

      MD5

      868eeadc53e30457bc9c77fefdcc3be1

      SHA1

      805d0bb1c8f13e285681a29ebbe2b203f74eeb0c

      SHA256

      0df15e9f6070a740633f279620563e4f19995d2c51d74ffb45a1c1df94db32ee

      SHA512

      f57bfb99550328e46f5f78226c17f46d3991f4cc8ca52c5378a9e25a0f1a38bad517f38cde65dfa087c908ce83ab073a97847e97de30a6dd9817084e8dd5546c

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\XS7ZM9jX.exe
      Filesize

      590KB

      MD5

      868eeadc53e30457bc9c77fefdcc3be1

      SHA1

      805d0bb1c8f13e285681a29ebbe2b203f74eeb0c

      SHA256

      0df15e9f6070a740633f279620563e4f19995d2c51d74ffb45a1c1df94db32ee

      SHA512

      f57bfb99550328e46f5f78226c17f46d3991f4cc8ca52c5378a9e25a0f1a38bad517f38cde65dfa087c908ce83ab073a97847e97de30a6dd9817084e8dd5546c

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\aB9YA7Te.exe
      Filesize

      417KB

      MD5

      ce55b9feee9adc1e5b9fe6078c97518f

      SHA1

      bbcabfa8bfafe387af8f7d82dfd8d9d2a3b9291b

      SHA256

      0c6c787b440e33869380a9849b0a0b997cc446f36674f14144a05b872e7be092

      SHA512

      dfd321749f017161210444823d8c031654337f4d03375c271d21360de34304becc3be0f322d0a8a8ab765b0410baf46d878ac01aae69fbffe47cdf38d656793a

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\aB9YA7Te.exe
      Filesize

      417KB

      MD5

      ce55b9feee9adc1e5b9fe6078c97518f

      SHA1

      bbcabfa8bfafe387af8f7d82dfd8d9d2a3b9291b

      SHA256

      0c6c787b440e33869380a9849b0a0b997cc446f36674f14144a05b872e7be092

      SHA512

      dfd321749f017161210444823d8c031654337f4d03375c271d21360de34304becc3be0f322d0a8a8ab765b0410baf46d878ac01aae69fbffe47cdf38d656793a

    • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1uy08nd5.exe
      Filesize

      378KB

      MD5

      0c52faf51425b8558d4830d1af3c68d2

      SHA1

      b9ba6ecf0e18add5b4ca3b8245a409ec62d712e0

      SHA256

      576d1fe3d347326e97f8b4dcb36103cdd68a13afcd60c505412c01fe178cf0ef

      SHA512

      1c55e8cd57f23841c831f8e9450da5a2bc10c97d385714fcc42aa585d8c7198f3f8d4a4ff1766e7ea25ffab73eb579f784831e8386d80a5f0bbb3827ae0cb401

    • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1uy08nd5.exe
      Filesize

      378KB

      MD5

      0c52faf51425b8558d4830d1af3c68d2

      SHA1

      b9ba6ecf0e18add5b4ca3b8245a409ec62d712e0

      SHA256

      576d1fe3d347326e97f8b4dcb36103cdd68a13afcd60c505412c01fe178cf0ef

      SHA512

      1c55e8cd57f23841c831f8e9450da5a2bc10c97d385714fcc42aa585d8c7198f3f8d4a4ff1766e7ea25ffab73eb579f784831e8386d80a5f0bbb3827ae0cb401

    • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1uy08nd5.exe
      Filesize

      378KB

      MD5

      0c52faf51425b8558d4830d1af3c68d2

      SHA1

      b9ba6ecf0e18add5b4ca3b8245a409ec62d712e0

      SHA256

      576d1fe3d347326e97f8b4dcb36103cdd68a13afcd60c505412c01fe178cf0ef

      SHA512

      1c55e8cd57f23841c831f8e9450da5a2bc10c97d385714fcc42aa585d8c7198f3f8d4a4ff1766e7ea25ffab73eb579f784831e8386d80a5f0bbb3827ae0cb401

    • \Users\Admin\AppData\Local\Temp\IXP000.TMP\NQ4hd6Jq.exe
      Filesize

      1.0MB

      MD5

      5363284b5468f75413d70146ccd9eace

      SHA1

      a71d2d09ce934b43f0b050fdf2b8184ef1e7315b

      SHA256

      3a0bdbc6ab9dd9aa53acf12d456781ea49e5ec077278db9dc778093783d375b0

      SHA512

      b1106af122a07894754cdb61283f33d46642c1b037959edbc51f4863497a4a779fa20488105335db9fd0f43959c67af756d25eaec1fa3cab3b91a568c4a16347

    • \Users\Admin\AppData\Local\Temp\IXP000.TMP\NQ4hd6Jq.exe
      Filesize

      1.0MB

      MD5

      5363284b5468f75413d70146ccd9eace

      SHA1

      a71d2d09ce934b43f0b050fdf2b8184ef1e7315b

      SHA256

      3a0bdbc6ab9dd9aa53acf12d456781ea49e5ec077278db9dc778093783d375b0

      SHA512

      b1106af122a07894754cdb61283f33d46642c1b037959edbc51f4863497a4a779fa20488105335db9fd0f43959c67af756d25eaec1fa3cab3b91a568c4a16347

    • \Users\Admin\AppData\Local\Temp\IXP001.TMP\hD9RV8nX.exe
      Filesize

      884KB

      MD5

      4131a66249649f5d2d7b26994069f68a

      SHA1

      a328c56684b0ae7726e966975bb8c34606acb1cf

      SHA256

      7969bcb09ebc9f9c7719f3d629dc5da56e6387543713052b0d6da986f373ce27

      SHA512

      9e5fff7b348ad82efc628a1033ccaa6a1c23ac8385bd1be092cddec761d8e6afcb96c482cce90c2ba2c59490ca89679bca092d45e7c40b841550725789d43e50

    • \Users\Admin\AppData\Local\Temp\IXP001.TMP\hD9RV8nX.exe
      Filesize

      884KB

      MD5

      4131a66249649f5d2d7b26994069f68a

      SHA1

      a328c56684b0ae7726e966975bb8c34606acb1cf

      SHA256

      7969bcb09ebc9f9c7719f3d629dc5da56e6387543713052b0d6da986f373ce27

      SHA512

      9e5fff7b348ad82efc628a1033ccaa6a1c23ac8385bd1be092cddec761d8e6afcb96c482cce90c2ba2c59490ca89679bca092d45e7c40b841550725789d43e50

    • \Users\Admin\AppData\Local\Temp\IXP002.TMP\XS7ZM9jX.exe
      Filesize

      590KB

      MD5

      868eeadc53e30457bc9c77fefdcc3be1

      SHA1

      805d0bb1c8f13e285681a29ebbe2b203f74eeb0c

      SHA256

      0df15e9f6070a740633f279620563e4f19995d2c51d74ffb45a1c1df94db32ee

      SHA512

      f57bfb99550328e46f5f78226c17f46d3991f4cc8ca52c5378a9e25a0f1a38bad517f38cde65dfa087c908ce83ab073a97847e97de30a6dd9817084e8dd5546c

    • \Users\Admin\AppData\Local\Temp\IXP002.TMP\XS7ZM9jX.exe
      Filesize

      590KB

      MD5

      868eeadc53e30457bc9c77fefdcc3be1

      SHA1

      805d0bb1c8f13e285681a29ebbe2b203f74eeb0c

      SHA256

      0df15e9f6070a740633f279620563e4f19995d2c51d74ffb45a1c1df94db32ee

      SHA512

      f57bfb99550328e46f5f78226c17f46d3991f4cc8ca52c5378a9e25a0f1a38bad517f38cde65dfa087c908ce83ab073a97847e97de30a6dd9817084e8dd5546c

    • \Users\Admin\AppData\Local\Temp\IXP003.TMP\aB9YA7Te.exe
      Filesize

      417KB

      MD5

      ce55b9feee9adc1e5b9fe6078c97518f

      SHA1

      bbcabfa8bfafe387af8f7d82dfd8d9d2a3b9291b

      SHA256

      0c6c787b440e33869380a9849b0a0b997cc446f36674f14144a05b872e7be092

      SHA512

      dfd321749f017161210444823d8c031654337f4d03375c271d21360de34304becc3be0f322d0a8a8ab765b0410baf46d878ac01aae69fbffe47cdf38d656793a

    • \Users\Admin\AppData\Local\Temp\IXP003.TMP\aB9YA7Te.exe
      Filesize

      417KB

      MD5

      ce55b9feee9adc1e5b9fe6078c97518f

      SHA1

      bbcabfa8bfafe387af8f7d82dfd8d9d2a3b9291b

      SHA256

      0c6c787b440e33869380a9849b0a0b997cc446f36674f14144a05b872e7be092

      SHA512

      dfd321749f017161210444823d8c031654337f4d03375c271d21360de34304becc3be0f322d0a8a8ab765b0410baf46d878ac01aae69fbffe47cdf38d656793a

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1uy08nd5.exe
      Filesize

      378KB

      MD5

      0c52faf51425b8558d4830d1af3c68d2

      SHA1

      b9ba6ecf0e18add5b4ca3b8245a409ec62d712e0

      SHA256

      576d1fe3d347326e97f8b4dcb36103cdd68a13afcd60c505412c01fe178cf0ef

      SHA512

      1c55e8cd57f23841c831f8e9450da5a2bc10c97d385714fcc42aa585d8c7198f3f8d4a4ff1766e7ea25ffab73eb579f784831e8386d80a5f0bbb3827ae0cb401

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1uy08nd5.exe
      Filesize

      378KB

      MD5

      0c52faf51425b8558d4830d1af3c68d2

      SHA1

      b9ba6ecf0e18add5b4ca3b8245a409ec62d712e0

      SHA256

      576d1fe3d347326e97f8b4dcb36103cdd68a13afcd60c505412c01fe178cf0ef

      SHA512

      1c55e8cd57f23841c831f8e9450da5a2bc10c97d385714fcc42aa585d8c7198f3f8d4a4ff1766e7ea25ffab73eb579f784831e8386d80a5f0bbb3827ae0cb401

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1uy08nd5.exe
      Filesize

      378KB

      MD5

      0c52faf51425b8558d4830d1af3c68d2

      SHA1

      b9ba6ecf0e18add5b4ca3b8245a409ec62d712e0

      SHA256

      576d1fe3d347326e97f8b4dcb36103cdd68a13afcd60c505412c01fe178cf0ef

      SHA512

      1c55e8cd57f23841c831f8e9450da5a2bc10c97d385714fcc42aa585d8c7198f3f8d4a4ff1766e7ea25ffab73eb579f784831e8386d80a5f0bbb3827ae0cb401

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1uy08nd5.exe
      Filesize

      378KB

      MD5

      0c52faf51425b8558d4830d1af3c68d2

      SHA1

      b9ba6ecf0e18add5b4ca3b8245a409ec62d712e0

      SHA256

      576d1fe3d347326e97f8b4dcb36103cdd68a13afcd60c505412c01fe178cf0ef

      SHA512

      1c55e8cd57f23841c831f8e9450da5a2bc10c97d385714fcc42aa585d8c7198f3f8d4a4ff1766e7ea25ffab73eb579f784831e8386d80a5f0bbb3827ae0cb401

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1uy08nd5.exe
      Filesize

      378KB

      MD5

      0c52faf51425b8558d4830d1af3c68d2

      SHA1

      b9ba6ecf0e18add5b4ca3b8245a409ec62d712e0

      SHA256

      576d1fe3d347326e97f8b4dcb36103cdd68a13afcd60c505412c01fe178cf0ef

      SHA512

      1c55e8cd57f23841c831f8e9450da5a2bc10c97d385714fcc42aa585d8c7198f3f8d4a4ff1766e7ea25ffab73eb579f784831e8386d80a5f0bbb3827ae0cb401

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1uy08nd5.exe
      Filesize

      378KB

      MD5

      0c52faf51425b8558d4830d1af3c68d2

      SHA1

      b9ba6ecf0e18add5b4ca3b8245a409ec62d712e0

      SHA256

      576d1fe3d347326e97f8b4dcb36103cdd68a13afcd60c505412c01fe178cf0ef

      SHA512

      1c55e8cd57f23841c831f8e9450da5a2bc10c97d385714fcc42aa585d8c7198f3f8d4a4ff1766e7ea25ffab73eb579f784831e8386d80a5f0bbb3827ae0cb401

    • \Users\Admin\AppData\Local\Temp\IXP004.TMP\1uy08nd5.exe
      Filesize

      378KB

      MD5

      0c52faf51425b8558d4830d1af3c68d2

      SHA1

      b9ba6ecf0e18add5b4ca3b8245a409ec62d712e0

      SHA256

      576d1fe3d347326e97f8b4dcb36103cdd68a13afcd60c505412c01fe178cf0ef

      SHA512

      1c55e8cd57f23841c831f8e9450da5a2bc10c97d385714fcc42aa585d8c7198f3f8d4a4ff1766e7ea25ffab73eb579f784831e8386d80a5f0bbb3827ae0cb401

    • memory/2608-55-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2608-63-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2608-65-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
      Filesize

      4KB

    • memory/2608-66-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2608-68-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2608-70-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2608-71-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2608-61-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2608-59-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2608-57-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2608-53-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB

    • memory/2608-76-0x0000000000400000-0x0000000000428000-memory.dmp
      Filesize

      160KB