Analysis

  • max time kernel
    125s
  • max time network
    132s
  • platform
    windows10-1703_x64
  • resource
    win10-20230915-en
  • resource tags

    arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system
  • submitted
    07/10/2023, 18:40

General

  • Target
    fd7565a625d52cfe43b6fa6391939d2dcf996d0b4f7174d32d6153e677bc4fbd.exe
  • Size 1.2MB
  • Sample231007-xbbwtsed7y
  • SHA256 fd7565a625d52cfe43b6fa6391939d2dcf996d0b4f7174d32d6153e677bc4fbd
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect Mystic stealer payload 4 IoCs
  • Mystic

    Mystic is an infostealer written in C++.

  • Executes dropped EXE 5 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 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fd7565a625d52cfe43b6fa6391939d2dcf996d0b4f7174d32d6153e677bc4fbd.exe
    "C:\Users\Admin\AppData\Local\Temp\fd7565a625d52cfe43b6fa6391939d2dcf996d0b4f7174d32d6153e677bc4fbd.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4460
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\LA0Hq6wP.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\LA0Hq6wP.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3632
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\np4Ap8OW.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\np4Ap8OW.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:4200
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Kk1qb4KP.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Kk1qb4KP.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:4652
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\zk2NL4qW.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\zk2NL4qW.exe
            5⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of WriteProcessMemory
            PID:4472
            • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1wx18Oy0.exe
              C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1wx18Oy0.exe
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:2832
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                7⤵
                  PID:3528
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                  7⤵
                    PID:1740
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                    7⤵
                      PID:4356
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 4356 -s 568
                        8⤵
                        • Program crash
                        PID:3640
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 2832 -s 604
                      7⤵
                      • Program crash
                      PID:5008

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              LA0Hq6wP.exe

              • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\LA0Hq6wP.exe
              • Size 1.0MB
              • SHA256 2c3cbe932f684a512c508e6be20518635d67ed0605618c50120c2349ce8d1053
              • MD5 SHA1 SHA512 SSDEEP

              LA0Hq6wP.exe

              • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\LA0Hq6wP.exe
              • Size 1.0MB
              • SHA256 2c3cbe932f684a512c508e6be20518635d67ed0605618c50120c2349ce8d1053
              • MD5 SHA1 SHA512 SSDEEP

              np4Ap8OW.exe

              • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\np4Ap8OW.exe
              • Size 879KB
              • SHA256 c79aea786ea9c7925bfee0fb6798c6a7494fe6b539c525225cc880b5afa6a3ae
              • MD5 SHA1 SHA512 SSDEEP

              np4Ap8OW.exe

              • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\np4Ap8OW.exe
              • Size 879KB
              • SHA256 c79aea786ea9c7925bfee0fb6798c6a7494fe6b539c525225cc880b5afa6a3ae
              • MD5 SHA1 SHA512 SSDEEP

              Kk1qb4KP.exe

              • Path C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Kk1qb4KP.exe
              • Size 585KB
              • SHA256 103ed73550294f2d1e3a1d2f3661961d3ce445d2c8fbc2054665ea42dab35e34
              • MD5 SHA1 SHA512 SSDEEP

              Kk1qb4KP.exe

              • Path C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\Kk1qb4KP.exe
              • Size 585KB
              • SHA256 103ed73550294f2d1e3a1d2f3661961d3ce445d2c8fbc2054665ea42dab35e34
              • MD5 SHA1 SHA512 SSDEEP

              zk2NL4qW.exe

              • Path C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\zk2NL4qW.exe
              • Size 412KB
              • SHA256 abcbdcfa1bb45f3ae9a23a34b921cf3ec8966500cafdacca993a412d195e2f94
              • MD5 SHA1 SHA512 SSDEEP

              zk2NL4qW.exe

              • Path C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\zk2NL4qW.exe
              • Size 412KB
              • SHA256 abcbdcfa1bb45f3ae9a23a34b921cf3ec8966500cafdacca993a412d195e2f94
              • MD5 SHA1 SHA512 SSDEEP

              1wx18Oy0.exe

              • Path C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1wx18Oy0.exe
              • Size 378KB
              • SHA256 bd0cb98cfc807abf3e2418868e6e9d16a3021a1c2875f8eb0ec7c7f454b6415c
              • MD5 SHA1 SHA512 SSDEEP

              1wx18Oy0.exe

              • Path C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1wx18Oy0.exe
              • Size 378KB
              • SHA256 bd0cb98cfc807abf3e2418868e6e9d16a3021a1c2875f8eb0ec7c7f454b6415c
              • MD5 SHA1 SHA512 SSDEEP

              memory/4356-35-0x0000000000400000-0x0000000000428000-memory.dmp

              memory/4356-38-0x0000000000400000-0x0000000000428000-memory.dmp

              memory/4356-39-0x0000000000400000-0x0000000000428000-memory.dmp

              memory/4356-41-0x0000000000400000-0x0000000000428000-memory.dmp