Analysis

  • max time kernel
    117s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    08-10-2023 16:36

General

  • Target

    NEAS.c6ffec0c5d3e02d3c8d882b63b706fa4c722b8d0e0932e26a89cf9720ceae5e3exe_JC.exe

  • Size

    1.1MB

  • MD5

    f2f9780d438d6d312555bfcc8887fe4d

  • SHA1

    182253b78b538e4507b35b7e228fe9c96e99bc31

  • SHA256

    c6ffec0c5d3e02d3c8d882b63b706fa4c722b8d0e0932e26a89cf9720ceae5e3

  • SHA512

    24e3978db6c2fee0273cae45fb9de5f09f73043c5322b85a76ef9e2b4c4b6920db6df23373fc786ce9a8f1a9bee85a7a086d498582f61b18c48c3c8cc370f80d

  • SSDEEP

    24576:ryVCIq852jpdr72w6wdiaCAMil6c+0HtKHFWymDkFdX/T:eVCIf52NnnmI6cTNk6kFh/

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 5 IoCs
  • Loads dropped DLL 15 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 4 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 63 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.c6ffec0c5d3e02d3c8d882b63b706fa4c722b8d0e0932e26a89cf9720ceae5e3exe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.c6ffec0c5d3e02d3c8d882b63b706fa4c722b8d0e0932e26a89cf9720ceae5e3exe_JC.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2336
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xh4Jz70.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xh4Jz70.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2220
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\iQ5ui22.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\iQ5ui22.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:2612
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\wt3Nd41.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\wt3Nd41.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:2676
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1MI86DJ7.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1MI86DJ7.exe
            5⤵
            • Modifies Windows Defender Real-time Protection settings
            • Executes dropped EXE
            • Loads dropped DLL
            • Windows security modification
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2644
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2Oq8053.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2Oq8053.exe
            5⤵
            • 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"
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:2496
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2496 -s 268
                7⤵
                • Program crash
                PID:3060
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2592 -s 284
              6⤵
              • Loads dropped DLL
              • Program crash
              PID:3012

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\xh4Jz70.exe
    Filesize

    990KB

    MD5

    09898f944cb8242a1a5e1dc1a810d3dc

    SHA1

    4eb5bdbd617cf338583f68a7709ebd261d83c8c6

    SHA256

    eda8ce5675d45c4bacda900ab2f5f88b04404eec15bd9a15e91244c6a6ad4a7f

    SHA512

    9b2e3a3a1ed78025b34c600cfb14f17ace70aee080443796916e1ac72625f6cb01ffa473cb9dd681e76ac6e3c819d9074996ef52187674acf5a13cf3c0ad4bf6

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xh4Jz70.exe
    Filesize

    990KB

    MD5

    09898f944cb8242a1a5e1dc1a810d3dc

    SHA1

    4eb5bdbd617cf338583f68a7709ebd261d83c8c6

    SHA256

    eda8ce5675d45c4bacda900ab2f5f88b04404eec15bd9a15e91244c6a6ad4a7f

    SHA512

    9b2e3a3a1ed78025b34c600cfb14f17ace70aee080443796916e1ac72625f6cb01ffa473cb9dd681e76ac6e3c819d9074996ef52187674acf5a13cf3c0ad4bf6

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\iQ5ui22.exe
    Filesize

    696KB

    MD5

    e647653ce36acfa3a82d94afbf42419a

    SHA1

    674511fe1f9eac4f658599a4fe525d3bd803a7b7

    SHA256

    309784be6e106aaa4d3d4484a8ac84368c4c8eb66be95b5cabfee5864c693240

    SHA512

    eccb53091c4fc007798f88395a92595cfbf1e554ceabd3117f1a58734c88d547673ee09fce983d2307e2a8fec7087b89433da41809a6c7088791bd9e2d367e12

  • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\iQ5ui22.exe
    Filesize

    696KB

    MD5

    e647653ce36acfa3a82d94afbf42419a

    SHA1

    674511fe1f9eac4f658599a4fe525d3bd803a7b7

    SHA256

    309784be6e106aaa4d3d4484a8ac84368c4c8eb66be95b5cabfee5864c693240

    SHA512

    eccb53091c4fc007798f88395a92595cfbf1e554ceabd3117f1a58734c88d547673ee09fce983d2307e2a8fec7087b89433da41809a6c7088791bd9e2d367e12

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\wt3Nd41.exe
    Filesize

    452KB

    MD5

    de2b5980c0830853f60695804ab2efad

    SHA1

    d476372b1f3eaf3f39a0c02c2690cd5e77433edc

    SHA256

    4342615358c01e6924834f28aa3c8e806d7e52f599a82c6305617b75be421b62

    SHA512

    c150c18f13e7a782782e7eddf5795bec61b4717a58985583c316e4407570aa7b91b7eff95134fcefef6ae739aa51381903f5a2f48b999ceeeeefb0b401c6e876

  • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\wt3Nd41.exe
    Filesize

    452KB

    MD5

    de2b5980c0830853f60695804ab2efad

    SHA1

    d476372b1f3eaf3f39a0c02c2690cd5e77433edc

    SHA256

    4342615358c01e6924834f28aa3c8e806d7e52f599a82c6305617b75be421b62

    SHA512

    c150c18f13e7a782782e7eddf5795bec61b4717a58985583c316e4407570aa7b91b7eff95134fcefef6ae739aa51381903f5a2f48b999ceeeeefb0b401c6e876

  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1MI86DJ7.exe
    Filesize

    192KB

    MD5

    8904f85abd522c7d0cb5789d9583ccff

    SHA1

    5b34d8595b37c9e1fb9682b06dc5228efe07f0c6

    SHA256

    7624b62fe97c8e370c82bc86f69c2f627328e701ce1f3d9bed92a1e5fe11fd7f

    SHA512

    04dd0c4e612b6287af6a655425085d687538d756dcd639ecb6c62bcdafddde52c56ae305a6240ee1329a95d9cc59dee6de5000d273a5a560ad1adc3284e00e12

  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1MI86DJ7.exe
    Filesize

    192KB

    MD5

    8904f85abd522c7d0cb5789d9583ccff

    SHA1

    5b34d8595b37c9e1fb9682b06dc5228efe07f0c6

    SHA256

    7624b62fe97c8e370c82bc86f69c2f627328e701ce1f3d9bed92a1e5fe11fd7f

    SHA512

    04dd0c4e612b6287af6a655425085d687538d756dcd639ecb6c62bcdafddde52c56ae305a6240ee1329a95d9cc59dee6de5000d273a5a560ad1adc3284e00e12

  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2Oq8053.exe
    Filesize

    378KB

    MD5

    f0831f173733de08511f3a0739f278a6

    SHA1

    06dc809d653c5d2c97386084ae13b50a73eb5b60

    SHA256

    8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

    SHA512

    19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2Oq8053.exe
    Filesize

    378KB

    MD5

    f0831f173733de08511f3a0739f278a6

    SHA1

    06dc809d653c5d2c97386084ae13b50a73eb5b60

    SHA256

    8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

    SHA512

    19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

  • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2Oq8053.exe
    Filesize

    378KB

    MD5

    f0831f173733de08511f3a0739f278a6

    SHA1

    06dc809d653c5d2c97386084ae13b50a73eb5b60

    SHA256

    8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

    SHA512

    19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\xh4Jz70.exe
    Filesize

    990KB

    MD5

    09898f944cb8242a1a5e1dc1a810d3dc

    SHA1

    4eb5bdbd617cf338583f68a7709ebd261d83c8c6

    SHA256

    eda8ce5675d45c4bacda900ab2f5f88b04404eec15bd9a15e91244c6a6ad4a7f

    SHA512

    9b2e3a3a1ed78025b34c600cfb14f17ace70aee080443796916e1ac72625f6cb01ffa473cb9dd681e76ac6e3c819d9074996ef52187674acf5a13cf3c0ad4bf6

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\xh4Jz70.exe
    Filesize

    990KB

    MD5

    09898f944cb8242a1a5e1dc1a810d3dc

    SHA1

    4eb5bdbd617cf338583f68a7709ebd261d83c8c6

    SHA256

    eda8ce5675d45c4bacda900ab2f5f88b04404eec15bd9a15e91244c6a6ad4a7f

    SHA512

    9b2e3a3a1ed78025b34c600cfb14f17ace70aee080443796916e1ac72625f6cb01ffa473cb9dd681e76ac6e3c819d9074996ef52187674acf5a13cf3c0ad4bf6

  • \Users\Admin\AppData\Local\Temp\IXP001.TMP\iQ5ui22.exe
    Filesize

    696KB

    MD5

    e647653ce36acfa3a82d94afbf42419a

    SHA1

    674511fe1f9eac4f658599a4fe525d3bd803a7b7

    SHA256

    309784be6e106aaa4d3d4484a8ac84368c4c8eb66be95b5cabfee5864c693240

    SHA512

    eccb53091c4fc007798f88395a92595cfbf1e554ceabd3117f1a58734c88d547673ee09fce983d2307e2a8fec7087b89433da41809a6c7088791bd9e2d367e12

  • \Users\Admin\AppData\Local\Temp\IXP001.TMP\iQ5ui22.exe
    Filesize

    696KB

    MD5

    e647653ce36acfa3a82d94afbf42419a

    SHA1

    674511fe1f9eac4f658599a4fe525d3bd803a7b7

    SHA256

    309784be6e106aaa4d3d4484a8ac84368c4c8eb66be95b5cabfee5864c693240

    SHA512

    eccb53091c4fc007798f88395a92595cfbf1e554ceabd3117f1a58734c88d547673ee09fce983d2307e2a8fec7087b89433da41809a6c7088791bd9e2d367e12

  • \Users\Admin\AppData\Local\Temp\IXP002.TMP\wt3Nd41.exe
    Filesize

    452KB

    MD5

    de2b5980c0830853f60695804ab2efad

    SHA1

    d476372b1f3eaf3f39a0c02c2690cd5e77433edc

    SHA256

    4342615358c01e6924834f28aa3c8e806d7e52f599a82c6305617b75be421b62

    SHA512

    c150c18f13e7a782782e7eddf5795bec61b4717a58985583c316e4407570aa7b91b7eff95134fcefef6ae739aa51381903f5a2f48b999ceeeeefb0b401c6e876

  • \Users\Admin\AppData\Local\Temp\IXP002.TMP\wt3Nd41.exe
    Filesize

    452KB

    MD5

    de2b5980c0830853f60695804ab2efad

    SHA1

    d476372b1f3eaf3f39a0c02c2690cd5e77433edc

    SHA256

    4342615358c01e6924834f28aa3c8e806d7e52f599a82c6305617b75be421b62

    SHA512

    c150c18f13e7a782782e7eddf5795bec61b4717a58985583c316e4407570aa7b91b7eff95134fcefef6ae739aa51381903f5a2f48b999ceeeeefb0b401c6e876

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\1MI86DJ7.exe
    Filesize

    192KB

    MD5

    8904f85abd522c7d0cb5789d9583ccff

    SHA1

    5b34d8595b37c9e1fb9682b06dc5228efe07f0c6

    SHA256

    7624b62fe97c8e370c82bc86f69c2f627328e701ce1f3d9bed92a1e5fe11fd7f

    SHA512

    04dd0c4e612b6287af6a655425085d687538d756dcd639ecb6c62bcdafddde52c56ae305a6240ee1329a95d9cc59dee6de5000d273a5a560ad1adc3284e00e12

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\1MI86DJ7.exe
    Filesize

    192KB

    MD5

    8904f85abd522c7d0cb5789d9583ccff

    SHA1

    5b34d8595b37c9e1fb9682b06dc5228efe07f0c6

    SHA256

    7624b62fe97c8e370c82bc86f69c2f627328e701ce1f3d9bed92a1e5fe11fd7f

    SHA512

    04dd0c4e612b6287af6a655425085d687538d756dcd639ecb6c62bcdafddde52c56ae305a6240ee1329a95d9cc59dee6de5000d273a5a560ad1adc3284e00e12

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\2Oq8053.exe
    Filesize

    378KB

    MD5

    f0831f173733de08511f3a0739f278a6

    SHA1

    06dc809d653c5d2c97386084ae13b50a73eb5b60

    SHA256

    8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

    SHA512

    19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\2Oq8053.exe
    Filesize

    378KB

    MD5

    f0831f173733de08511f3a0739f278a6

    SHA1

    06dc809d653c5d2c97386084ae13b50a73eb5b60

    SHA256

    8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

    SHA512

    19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\2Oq8053.exe
    Filesize

    378KB

    MD5

    f0831f173733de08511f3a0739f278a6

    SHA1

    06dc809d653c5d2c97386084ae13b50a73eb5b60

    SHA256

    8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

    SHA512

    19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\2Oq8053.exe
    Filesize

    378KB

    MD5

    f0831f173733de08511f3a0739f278a6

    SHA1

    06dc809d653c5d2c97386084ae13b50a73eb5b60

    SHA256

    8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

    SHA512

    19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\2Oq8053.exe
    Filesize

    378KB

    MD5

    f0831f173733de08511f3a0739f278a6

    SHA1

    06dc809d653c5d2c97386084ae13b50a73eb5b60

    SHA256

    8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

    SHA512

    19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\2Oq8053.exe
    Filesize

    378KB

    MD5

    f0831f173733de08511f3a0739f278a6

    SHA1

    06dc809d653c5d2c97386084ae13b50a73eb5b60

    SHA256

    8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

    SHA512

    19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

  • \Users\Admin\AppData\Local\Temp\IXP003.TMP\2Oq8053.exe
    Filesize

    378KB

    MD5

    f0831f173733de08511f3a0739f278a6

    SHA1

    06dc809d653c5d2c97386084ae13b50a73eb5b60

    SHA256

    8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27

    SHA512

    19e3176ce1f154758f685cc4582e93587aa534a251de315473e35758dcd6ff6315880be7602097308dc89c355742be4729bad81de597e8d430a8e868082314e3

  • memory/2496-79-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2496-80-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2496-91-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2496-93-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2496-89-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2496-88-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
    Filesize

    4KB

  • memory/2496-86-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2496-84-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2496-82-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2496-81-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/2644-57-0x0000000000C60000-0x0000000000C76000-memory.dmp
    Filesize

    88KB

  • memory/2644-67-0x0000000000C60000-0x0000000000C76000-memory.dmp
    Filesize

    88KB

  • memory/2644-53-0x0000000000C60000-0x0000000000C76000-memory.dmp
    Filesize

    88KB

  • memory/2644-45-0x0000000000C60000-0x0000000000C76000-memory.dmp
    Filesize

    88KB

  • memory/2644-49-0x0000000000C60000-0x0000000000C76000-memory.dmp
    Filesize

    88KB

  • memory/2644-47-0x0000000000C60000-0x0000000000C76000-memory.dmp
    Filesize

    88KB

  • memory/2644-55-0x0000000000C60000-0x0000000000C76000-memory.dmp
    Filesize

    88KB

  • memory/2644-59-0x0000000000C60000-0x0000000000C76000-memory.dmp
    Filesize

    88KB

  • memory/2644-69-0x0000000000C60000-0x0000000000C76000-memory.dmp
    Filesize

    88KB

  • memory/2644-51-0x0000000000C60000-0x0000000000C76000-memory.dmp
    Filesize

    88KB

  • memory/2644-65-0x0000000000C60000-0x0000000000C76000-memory.dmp
    Filesize

    88KB

  • memory/2644-63-0x0000000000C60000-0x0000000000C76000-memory.dmp
    Filesize

    88KB

  • memory/2644-61-0x0000000000C60000-0x0000000000C76000-memory.dmp
    Filesize

    88KB

  • memory/2644-43-0x0000000000C60000-0x0000000000C76000-memory.dmp
    Filesize

    88KB

  • memory/2644-42-0x0000000000C60000-0x0000000000C76000-memory.dmp
    Filesize

    88KB

  • memory/2644-41-0x0000000000C60000-0x0000000000C7C000-memory.dmp
    Filesize

    112KB

  • memory/2644-40-0x0000000000B20000-0x0000000000B3E000-memory.dmp
    Filesize

    120KB