Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12-10-2023 15:59

General

  • Target

    78ffe0bf923b88ec8fc3a814d846ab24a1f606831b13a387c2b9aaf43d3ef909_JC.exe

  • Size

    990KB

  • MD5

    0780adc55b115da8893e694dc337d956

  • SHA1

    88e13937f03f98d42f8269707fab2247b3eff2ad

  • SHA256

    78ffe0bf923b88ec8fc3a814d846ab24a1f606831b13a387c2b9aaf43d3ef909

  • SHA512

    91da35ec9fee5214f91d476e1d8997d4e08a908d1f468dae7aec4c1130fa9aa3a808096251bec886f9b6428aef0e577a5a81a851691c6dc4cfd39760c9418ac5

  • SSDEEP

    24576:Pyi+IeoHWF8zFjY3d8y5TcmD7iIIuOZH+:avl5micmPXf

Malware Config

Signatures

  • Detect Mystic stealer payload 6 IoCs
  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • Mystic

    Mystic is an infostealer written in C++.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 13 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\78ffe0bf923b88ec8fc3a814d846ab24a1f606831b13a387c2b9aaf43d3ef909_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\78ffe0bf923b88ec8fc3a814d846ab24a1f606831b13a387c2b9aaf43d3ef909_JC.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1872
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Pn3tv32.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Pn3tv32.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2304
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\te7QI12.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\te7QI12.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:2580
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1vs88Pp5.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1vs88Pp5.exe
          4⤵
          • Modifies Windows Defender Real-time Protection settings
          • Executes dropped EXE
          • Loads dropped DLL
          • Windows security modification
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2688
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2VA3827.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2VA3827.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:2600
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2968
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2968 -s 268
              6⤵
              • Program crash
              PID:1268
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2600 -s 284
            5⤵
            • Loads dropped DLL
            • Program crash
            PID:2468

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

3
T1112

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Pn3tv32.exe
    Filesize

    696KB

    MD5

    bdebfbcff45699455d08ddba125e1386

    SHA1

    e1ddd8ccd494d22550d6ef3f8623951c86a79c5c

    SHA256

    afc83b635075f2595798445793325dc024443ac8c00d8c0aa8643961681ea2de

    SHA512

    d02a6dd70f7ca40e9c70093f3c4cb0e568f53a309237eb68fd75ae64c2682914b64acf903e5fe09a307ec805ad38005461683cbce74510eebc9d4894c2564d78

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Pn3tv32.exe
    Filesize

    696KB

    MD5

    bdebfbcff45699455d08ddba125e1386

    SHA1

    e1ddd8ccd494d22550d6ef3f8623951c86a79c5c

    SHA256

    afc83b635075f2595798445793325dc024443ac8c00d8c0aa8643961681ea2de

    SHA512

    d02a6dd70f7ca40e9c70093f3c4cb0e568f53a309237eb68fd75ae64c2682914b64acf903e5fe09a307ec805ad38005461683cbce74510eebc9d4894c2564d78

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\te7QI12.exe
    Filesize

    452KB

    MD5

    76d0aab87c91839f8ba0081829170bdc

    SHA1

    cd727310e346a7232a873d5abd8c9168aa24c32e

    SHA256

    3e99c8ec400c780667f7d3013612551e4316e607ea66ab8db0fb9b23c5c8229a

    SHA512

    7cde905ff101372b7168c837ab1dfe7c728274db3cac6614313c7318bee961dc6d6e9b65c6707addad04c4b456a284d9c6f28b3c6c4e034b0511912d2255ef77

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\te7QI12.exe
    Filesize

    452KB

    MD5

    76d0aab87c91839f8ba0081829170bdc

    SHA1

    cd727310e346a7232a873d5abd8c9168aa24c32e

    SHA256

    3e99c8ec400c780667f7d3013612551e4316e607ea66ab8db0fb9b23c5c8229a

    SHA512

    7cde905ff101372b7168c837ab1dfe7c728274db3cac6614313c7318bee961dc6d6e9b65c6707addad04c4b456a284d9c6f28b3c6c4e034b0511912d2255ef77

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1vs88Pp5.exe
    Filesize

    192KB

    MD5

    8904f85abd522c7d0cb5789d9583ccff

    SHA1

    5b34d8595b37c9e1fb9682b06dc5228efe07f0c6

    SHA256

    7624b62fe97c8e370c82bc86f69c2f627328e701ce1f3d9bed92a1e5fe11fd7f

    SHA512

    04dd0c4e612b6287af6a655425085d687538d756dcd639ecb6c62bcdafddde52c56ae305a6240ee1329a95d9cc59dee6de5000d273a5a560ad1adc3284e00e12

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\1vs88Pp5.exe
    Filesize

    192KB

    MD5

    8904f85abd522c7d0cb5789d9583ccff

    SHA1

    5b34d8595b37c9e1fb9682b06dc5228efe07f0c6

    SHA256

    7624b62fe97c8e370c82bc86f69c2f627328e701ce1f3d9bed92a1e5fe11fd7f

    SHA512

    04dd0c4e612b6287af6a655425085d687538d756dcd639ecb6c62bcdafddde52c56ae305a6240ee1329a95d9cc59dee6de5000d273a5a560ad1adc3284e00e12

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2VA3827.exe
    Filesize

    378KB

    MD5

    982a662a20013789fc70e47404950288

    SHA1

    83362a8f865c193dd2028fd4fc4f2709cbdf6711

    SHA256

    b98230fd2bbbb385309fd42b6acd9bab35e2df55e66308064bccf32239f280c1

    SHA512

    3ff9122cd8c184bab3a5d40ea3a771354c77bc554115a17cd12b5137278d389e43cc0bf6d18b2afc3afdd9bb72aa7e647d9daa06aa22e76f69202ea49c3346bf

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2VA3827.exe
    Filesize

    378KB

    MD5

    982a662a20013789fc70e47404950288

    SHA1

    83362a8f865c193dd2028fd4fc4f2709cbdf6711

    SHA256

    b98230fd2bbbb385309fd42b6acd9bab35e2df55e66308064bccf32239f280c1

    SHA512

    3ff9122cd8c184bab3a5d40ea3a771354c77bc554115a17cd12b5137278d389e43cc0bf6d18b2afc3afdd9bb72aa7e647d9daa06aa22e76f69202ea49c3346bf

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\2VA3827.exe
    Filesize

    378KB

    MD5

    982a662a20013789fc70e47404950288

    SHA1

    83362a8f865c193dd2028fd4fc4f2709cbdf6711

    SHA256

    b98230fd2bbbb385309fd42b6acd9bab35e2df55e66308064bccf32239f280c1

    SHA512

    3ff9122cd8c184bab3a5d40ea3a771354c77bc554115a17cd12b5137278d389e43cc0bf6d18b2afc3afdd9bb72aa7e647d9daa06aa22e76f69202ea49c3346bf

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\Pn3tv32.exe
    Filesize

    696KB

    MD5

    bdebfbcff45699455d08ddba125e1386

    SHA1

    e1ddd8ccd494d22550d6ef3f8623951c86a79c5c

    SHA256

    afc83b635075f2595798445793325dc024443ac8c00d8c0aa8643961681ea2de

    SHA512

    d02a6dd70f7ca40e9c70093f3c4cb0e568f53a309237eb68fd75ae64c2682914b64acf903e5fe09a307ec805ad38005461683cbce74510eebc9d4894c2564d78

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\Pn3tv32.exe
    Filesize

    696KB

    MD5

    bdebfbcff45699455d08ddba125e1386

    SHA1

    e1ddd8ccd494d22550d6ef3f8623951c86a79c5c

    SHA256

    afc83b635075f2595798445793325dc024443ac8c00d8c0aa8643961681ea2de

    SHA512

    d02a6dd70f7ca40e9c70093f3c4cb0e568f53a309237eb68fd75ae64c2682914b64acf903e5fe09a307ec805ad38005461683cbce74510eebc9d4894c2564d78

  • \Users\Admin\AppData\Local\Temp\IXP001.TMP\te7QI12.exe
    Filesize

    452KB

    MD5

    76d0aab87c91839f8ba0081829170bdc

    SHA1

    cd727310e346a7232a873d5abd8c9168aa24c32e

    SHA256

    3e99c8ec400c780667f7d3013612551e4316e607ea66ab8db0fb9b23c5c8229a

    SHA512

    7cde905ff101372b7168c837ab1dfe7c728274db3cac6614313c7318bee961dc6d6e9b65c6707addad04c4b456a284d9c6f28b3c6c4e034b0511912d2255ef77

  • \Users\Admin\AppData\Local\Temp\IXP001.TMP\te7QI12.exe
    Filesize

    452KB

    MD5

    76d0aab87c91839f8ba0081829170bdc

    SHA1

    cd727310e346a7232a873d5abd8c9168aa24c32e

    SHA256

    3e99c8ec400c780667f7d3013612551e4316e607ea66ab8db0fb9b23c5c8229a

    SHA512

    7cde905ff101372b7168c837ab1dfe7c728274db3cac6614313c7318bee961dc6d6e9b65c6707addad04c4b456a284d9c6f28b3c6c4e034b0511912d2255ef77

  • \Users\Admin\AppData\Local\Temp\IXP002.TMP\1vs88Pp5.exe
    Filesize

    192KB

    MD5

    8904f85abd522c7d0cb5789d9583ccff

    SHA1

    5b34d8595b37c9e1fb9682b06dc5228efe07f0c6

    SHA256

    7624b62fe97c8e370c82bc86f69c2f627328e701ce1f3d9bed92a1e5fe11fd7f

    SHA512

    04dd0c4e612b6287af6a655425085d687538d756dcd639ecb6c62bcdafddde52c56ae305a6240ee1329a95d9cc59dee6de5000d273a5a560ad1adc3284e00e12

  • \Users\Admin\AppData\Local\Temp\IXP002.TMP\1vs88Pp5.exe
    Filesize

    192KB

    MD5

    8904f85abd522c7d0cb5789d9583ccff

    SHA1

    5b34d8595b37c9e1fb9682b06dc5228efe07f0c6

    SHA256

    7624b62fe97c8e370c82bc86f69c2f627328e701ce1f3d9bed92a1e5fe11fd7f

    SHA512

    04dd0c4e612b6287af6a655425085d687538d756dcd639ecb6c62bcdafddde52c56ae305a6240ee1329a95d9cc59dee6de5000d273a5a560ad1adc3284e00e12

  • \Users\Admin\AppData\Local\Temp\IXP002.TMP\2VA3827.exe
    Filesize

    378KB

    MD5

    982a662a20013789fc70e47404950288

    SHA1

    83362a8f865c193dd2028fd4fc4f2709cbdf6711

    SHA256

    b98230fd2bbbb385309fd42b6acd9bab35e2df55e66308064bccf32239f280c1

    SHA512

    3ff9122cd8c184bab3a5d40ea3a771354c77bc554115a17cd12b5137278d389e43cc0bf6d18b2afc3afdd9bb72aa7e647d9daa06aa22e76f69202ea49c3346bf

  • \Users\Admin\AppData\Local\Temp\IXP002.TMP\2VA3827.exe
    Filesize

    378KB

    MD5

    982a662a20013789fc70e47404950288

    SHA1

    83362a8f865c193dd2028fd4fc4f2709cbdf6711

    SHA256

    b98230fd2bbbb385309fd42b6acd9bab35e2df55e66308064bccf32239f280c1

    SHA512

    3ff9122cd8c184bab3a5d40ea3a771354c77bc554115a17cd12b5137278d389e43cc0bf6d18b2afc3afdd9bb72aa7e647d9daa06aa22e76f69202ea49c3346bf

  • \Users\Admin\AppData\Local\Temp\IXP002.TMP\2VA3827.exe
    Filesize

    378KB

    MD5

    982a662a20013789fc70e47404950288

    SHA1

    83362a8f865c193dd2028fd4fc4f2709cbdf6711

    SHA256

    b98230fd2bbbb385309fd42b6acd9bab35e2df55e66308064bccf32239f280c1

    SHA512

    3ff9122cd8c184bab3a5d40ea3a771354c77bc554115a17cd12b5137278d389e43cc0bf6d18b2afc3afdd9bb72aa7e647d9daa06aa22e76f69202ea49c3346bf

  • \Users\Admin\AppData\Local\Temp\IXP002.TMP\2VA3827.exe
    Filesize

    378KB

    MD5

    982a662a20013789fc70e47404950288

    SHA1

    83362a8f865c193dd2028fd4fc4f2709cbdf6711

    SHA256

    b98230fd2bbbb385309fd42b6acd9bab35e2df55e66308064bccf32239f280c1

    SHA512

    3ff9122cd8c184bab3a5d40ea3a771354c77bc554115a17cd12b5137278d389e43cc0bf6d18b2afc3afdd9bb72aa7e647d9daa06aa22e76f69202ea49c3346bf

  • \Users\Admin\AppData\Local\Temp\IXP002.TMP\2VA3827.exe
    Filesize

    378KB

    MD5

    982a662a20013789fc70e47404950288

    SHA1

    83362a8f865c193dd2028fd4fc4f2709cbdf6711

    SHA256

    b98230fd2bbbb385309fd42b6acd9bab35e2df55e66308064bccf32239f280c1

    SHA512

    3ff9122cd8c184bab3a5d40ea3a771354c77bc554115a17cd12b5137278d389e43cc0bf6d18b2afc3afdd9bb72aa7e647d9daa06aa22e76f69202ea49c3346bf

  • \Users\Admin\AppData\Local\Temp\IXP002.TMP\2VA3827.exe
    Filesize

    378KB

    MD5

    982a662a20013789fc70e47404950288

    SHA1

    83362a8f865c193dd2028fd4fc4f2709cbdf6711

    SHA256

    b98230fd2bbbb385309fd42b6acd9bab35e2df55e66308064bccf32239f280c1

    SHA512

    3ff9122cd8c184bab3a5d40ea3a771354c77bc554115a17cd12b5137278d389e43cc0bf6d18b2afc3afdd9bb72aa7e647d9daa06aa22e76f69202ea49c3346bf

  • \Users\Admin\AppData\Local\Temp\IXP002.TMP\2VA3827.exe
    Filesize

    378KB

    MD5

    982a662a20013789fc70e47404950288

    SHA1

    83362a8f865c193dd2028fd4fc4f2709cbdf6711

    SHA256

    b98230fd2bbbb385309fd42b6acd9bab35e2df55e66308064bccf32239f280c1

    SHA512

    3ff9122cd8c184bab3a5d40ea3a771354c77bc554115a17cd12b5137278d389e43cc0bf6d18b2afc3afdd9bb72aa7e647d9daa06aa22e76f69202ea49c3346bf

  • memory/2688-41-0x0000000000830000-0x0000000000846000-memory.dmp
    Filesize

    88KB

  • memory/2688-51-0x0000000000830000-0x0000000000846000-memory.dmp
    Filesize

    88KB

  • memory/2688-45-0x0000000000830000-0x0000000000846000-memory.dmp
    Filesize

    88KB

  • memory/2688-53-0x0000000000830000-0x0000000000846000-memory.dmp
    Filesize

    88KB

  • memory/2688-55-0x0000000000830000-0x0000000000846000-memory.dmp
    Filesize

    88KB

  • memory/2688-57-0x0000000000830000-0x0000000000846000-memory.dmp
    Filesize

    88KB

  • memory/2688-59-0x0000000000830000-0x0000000000846000-memory.dmp
    Filesize

    88KB

  • memory/2688-47-0x0000000000830000-0x0000000000846000-memory.dmp
    Filesize

    88KB

  • memory/2688-49-0x0000000000830000-0x0000000000846000-memory.dmp
    Filesize

    88KB

  • memory/2688-33-0x0000000000830000-0x0000000000846000-memory.dmp
    Filesize

    88KB

  • memory/2688-39-0x0000000000830000-0x0000000000846000-memory.dmp
    Filesize

    88KB

  • memory/2688-37-0x0000000000830000-0x0000000000846000-memory.dmp
    Filesize

    88KB

  • memory/2688-35-0x0000000000830000-0x0000000000846000-memory.dmp
    Filesize

    88KB

  • memory/2688-43-0x0000000000830000-0x0000000000846000-memory.dmp
    Filesize

    88KB

  • memory/2688-30-0x0000000000530000-0x000000000054E000-memory.dmp
    Filesize

    120KB

  • memory/2688-31-0x0000000000830000-0x000000000084C000-memory.dmp
    Filesize

    112KB

  • memory/2688-32-0x0000000000830000-0x0000000000846000-memory.dmp
    Filesize

    88KB

  • memory/2968-71-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2968-73-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2968-70-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2968-69-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2968-79-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2968-81-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2968-75-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2968-77-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2968-76-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
    Filesize

    4KB

  • memory/2968-74-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB