Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/10/2023, 03:43

General

  • Target
    2bed4ea70d0e8707549aac41f29fea0c9a994c68cc33636d802429b5694f077f.exe
  • Size 1.2MB
  • Sample231007-d98tnsha6s
  • SHA256 2bed4ea70d0e8707549aac41f29fea0c9a994c68cc33636d802429b5694f077f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

Botnet
  • gigant

C2
  • 77.91.124.55:19071

Signatures

  • Detect Mystic stealer payload 4 IoCs
  • Mystic

    Mystic is an infostealer written in C++.

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 3 IoCs
  • Executes dropped EXE 6 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 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2bed4ea70d0e8707549aac41f29fea0c9a994c68cc33636d802429b5694f077f.exe
    "C:\Users\Admin\AppData\Local\Temp\2bed4ea70d0e8707549aac41f29fea0c9a994c68cc33636d802429b5694f077f.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4264
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Bq8gM2fQ.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Bq8gM2fQ.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4588
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\RW9av1XD.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\RW9av1XD.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:3988
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\FI9AC6gi.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\FI9AC6gi.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:4044
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\rY0tF5lc.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\rY0tF5lc.exe
            5⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of WriteProcessMemory
            PID:4136
            • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1dp91sg6.exe
              C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1dp91sg6.exe
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:4352
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                7⤵
                  PID:2736
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2736 -s 540
                    8⤵
                    • Program crash
                    PID:2024
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4352 -s 592
                  7⤵
                  • Program crash
                  PID:3184
              • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2CO552OU.exe
                C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2CO552OU.exe
                6⤵
                • Executes dropped EXE
                PID:2692
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4352 -ip 4352
      1⤵
        PID:4064
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 2736 -ip 2736
        1⤵
          PID:3232

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              Bq8gM2fQ.exe

              • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Bq8gM2fQ.exe
              • Size 1.0MB
              • SHA256 0c597c18da7285d2a80fe1754f64f5d7a9461489550d5d0a29d32a7f8f9dbcfe
              • MD5 SHA1 SHA512 SSDEEP

              Bq8gM2fQ.exe

              • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Bq8gM2fQ.exe
              • Size 1.0MB
              • SHA256 0c597c18da7285d2a80fe1754f64f5d7a9461489550d5d0a29d32a7f8f9dbcfe
              • MD5 SHA1 SHA512 SSDEEP

              RW9av1XD.exe

              • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\RW9av1XD.exe
              • Size 884KB
              • SHA256 8d7dee1df9eef0aec8e59febd6e571686b61b904393d35fa2a4ba2d5ec8f4c2e
              • MD5 SHA1 SHA512 SSDEEP

              RW9av1XD.exe

              • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\RW9av1XD.exe
              • Size 884KB
              • SHA256 8d7dee1df9eef0aec8e59febd6e571686b61b904393d35fa2a4ba2d5ec8f4c2e
              • MD5 SHA1 SHA512 SSDEEP

              FI9AC6gi.exe

              • Path C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\FI9AC6gi.exe
              • Size 590KB
              • SHA256 f240c568a2882510e9d4f0639bbdec62d3f334cb3b0404c20a588a252dab2ec3
              • MD5 SHA1 SHA512 SSDEEP

              FI9AC6gi.exe

              • Path C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\FI9AC6gi.exe
              • Size 590KB
              • SHA256 f240c568a2882510e9d4f0639bbdec62d3f334cb3b0404c20a588a252dab2ec3
              • MD5 SHA1 SHA512 SSDEEP

              rY0tF5lc.exe

              • Path C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\rY0tF5lc.exe
              • Size 417KB
              • SHA256 bdb887d5ba1925b81d4995b123862cce5cb251f6de33005cf8e728b1e323e132
              • MD5 SHA1 SHA512 SSDEEP

              rY0tF5lc.exe

              • Path C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\rY0tF5lc.exe
              • Size 417KB
              • SHA256 bdb887d5ba1925b81d4995b123862cce5cb251f6de33005cf8e728b1e323e132
              • MD5 SHA1 SHA512 SSDEEP

              1dp91sg6.exe

              • Path C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1dp91sg6.exe
              • Size 378KB
              • SHA256 8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27
              • MD5 SHA1 SHA512 SSDEEP

              1dp91sg6.exe

              • Path C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1dp91sg6.exe
              • Size 378KB
              • SHA256 8b00f9dce8ceb2123fba3bc9f88419960d1e661b6287eafeba4f0a2ee4be3d27
              • MD5 SHA1 SHA512 SSDEEP

              2CO552OU.exe

              • Path C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2CO552OU.exe
              • Size 231KB
              • SHA256 b091acaa030642e66c48c862a092efd6c12de7cd2dc033c2acf2cfea733f8fc7
              • MD5 SHA1 SHA512 SSDEEP

              2CO552OU.exe

              • Path C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2CO552OU.exe
              • Size 231KB
              • SHA256 b091acaa030642e66c48c862a092efd6c12de7cd2dc033c2acf2cfea733f8fc7
              • MD5 SHA1 SHA512 SSDEEP

              memory/2692-46-0x0000000006F90000-0x0000000007022000-memory.dmp

              memory/2692-48-0x0000000007190000-0x000000000719A000-memory.dmp

              memory/2692-55-0x0000000006F50000-0x0000000006F60000-memory.dmp

              memory/2692-54-0x00000000744E0000-0x0000000074C90000-memory.dmp

              memory/2692-44-0x00000000744E0000-0x0000000074C90000-memory.dmp

              memory/2692-43-0x0000000000210000-0x000000000024E000-memory.dmp

              memory/2692-45-0x0000000007490000-0x0000000007A34000-memory.dmp

              memory/2692-53-0x0000000007A40000-0x0000000007A8C000-memory.dmp

              memory/2692-52-0x00000000072D0000-0x000000000730C000-memory.dmp

              memory/2692-49-0x0000000008060000-0x0000000008678000-memory.dmp

              memory/2692-47-0x0000000006F50000-0x0000000006F60000-memory.dmp

              memory/2692-50-0x0000000007340000-0x000000000744A000-memory.dmp

              memory/2692-51-0x0000000007270000-0x0000000007282000-memory.dmp

              memory/2736-39-0x0000000000400000-0x0000000000428000-memory.dmp

              memory/2736-36-0x0000000000400000-0x0000000000428000-memory.dmp

              memory/2736-37-0x0000000000400000-0x0000000000428000-memory.dmp

              memory/2736-35-0x0000000000400000-0x0000000000428000-memory.dmp