Analysis

  • max time kernel
    143s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 17:36

General

  • Target

    cc35c0b2bc4afaa3e56d0b585ddf1928790ef237331a245ad0eb919b4e8c2524.exe

  • Size

    1.2MB

  • MD5

    3393509c6d5b05efe89878eb3fb3013c

  • SHA1

    1175b7a8c3a888e248fbf4d411e6e4f0c6542c1b

  • SHA256

    cc35c0b2bc4afaa3e56d0b585ddf1928790ef237331a245ad0eb919b4e8c2524

  • SHA512

    55ae1e3a88cd346e7152acd04d8ffdaaac70ed786e72b2851a8e7850d230f16fb976925a0e32ff886fe3b57b8c9032c1aea92fe2e869e92326b5fd67d7e0f445

  • SSDEEP

    24576:RynSsXBtQ8o6btYGpIUdyvEf8ItfpQ5SmbimdzOG:ESsXBtRo65pI2g+8ItERdS

Malware Config

Extracted

Family

redline

Botnet

lutyr

C2

77.91.124.55:19071

Signatures

  • Detect Mystic stealer payload 3 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 2 IoCs
  • Executes dropped EXE 6 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 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cc35c0b2bc4afaa3e56d0b585ddf1928790ef237331a245ad0eb919b4e8c2524.exe
    "C:\Users\Admin\AppData\Local\Temp\cc35c0b2bc4afaa3e56d0b585ddf1928790ef237331a245ad0eb919b4e8c2524.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:5020
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sJ7SM5RH.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sJ7SM5RH.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:6100
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Ui4nK7Ob.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Ui4nK7Ob.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:5204
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ty2tg8HH.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ty2tg8HH.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:5264
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\wD2cw9qP.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\wD2cw9qP.exe
            5⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of WriteProcessMemory
            PID:5680
            • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1hb55Lz0.exe
              C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1hb55Lz0.exe
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:5096
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                7⤵
                  PID:796
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 5096 -s 612
                  7⤵
                  • Program crash
                  PID:392
              • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2sM634yg.exe
                C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2sM634yg.exe
                6⤵
                • Executes dropped EXE
                PID:5608
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 5096 -ip 5096
      1⤵
        PID:3988

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sJ7SM5RH.exe

        Filesize

        1.0MB

        MD5

        9e8ca5866a3a7cda0f94c4917f629b78

        SHA1

        cfe8ebdfbfd524c757b1b9f87dbb18aeed071d60

        SHA256

        5720ff9a2d103f0c2cec72ae47ae7d2c76fd46c1a6f0df33b16d7b09aeab7582

        SHA512

        75ce28d886915cba057b969a0a18324e80a58d0aad9e05ba0f8c24f884f9d8b225baf0141a36a6af18a1db8b960f460ce23e800a47d76fec5e9a3e23d3c3e1bb

      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\Ui4nK7Ob.exe

        Filesize

        880KB

        MD5

        d73fad786732b71e29e853d071a52bd3

        SHA1

        6bd4a5ac829bc61bd41a83b0de5927864b02b064

        SHA256

        22f6b70399bd6ec3b719808d17c868664645b9c81c1f14c5d204fcf376a5c89c

        SHA512

        e05f4a9803dbb65e951c0ab22cf61bbef18fa92888823b33178eeb40e9812b5e2982376d328607b58c1e8fb595bd5a861c256da954f8da952337f90f6f4e919f

      • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ty2tg8HH.exe

        Filesize

        585KB

        MD5

        144361b2922636a430c72a760cb9502b

        SHA1

        4b55c8fe91ebcad40b217499ba5fdf9a30bfada9

        SHA256

        e488a46da6bf18bec5ae7287bb1ede78bfa45ae2f3f7155bdf264ead6c67c306

        SHA512

        46c7a3a1ae06551f49af3b567900009bfc3a8f8be1dc381ccf10d0c42eabfc48540f0277769df95279b5ecc19388fbd9bd373e9093d3cff53c185b0fe77b5100

      • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\wD2cw9qP.exe

        Filesize

        413KB

        MD5

        bc86066c06d1f602d9863273724a0b79

        SHA1

        dec435c12a52dc40e21271a56b7b16e2aef2ee45

        SHA256

        762865c7cad29d0d74c75b253a36f7287cefdb0144f6ae8428451d5c7a58ba28

        SHA512

        55f83b060414efc99b90198c15bdcc1a56d13891a101a94ffd5617292fd3447d626c7a57d45240f8e28b13bd6fc3edc42e84dd9132629aec1e8c2839ea8bdeb2

      • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1hb55Lz0.exe

        Filesize

        378KB

        MD5

        a85290ae0ae3661b43b317a862d2da7c

        SHA1

        494797a656ba62bd9dcead84055458ed942688cb

        SHA256

        ce5209fceeefe30e58b68cc16fe1273bcd8256a6c19f64012b32209741ad933c

        SHA512

        b0a52ed3fcd7e373ac7f542c582cbbb4b964c35c16fea2260027d0e84460a9104520ec4882151a2c39e87f6b8c48f2259804b571f1ea95a9d210b31384e3b034

      • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2sM634yg.exe

        Filesize

        221KB

        MD5

        cce6cda221f0f242bc96b7dd55117dba

        SHA1

        dd6f95c543f3250554e6c50f7cbf8ebae483f714

        SHA256

        49d532461f0d6c451cec2f12de677c3316f69fca8c558be4dffec344fa808033

        SHA512

        aaef2b1ce5ff60af41325324556ab718d3b5d1f569f979167fe60748f19cb7823016c18794d7b2f78e672c04d2bb92e8c36dcc8044c095a3704f55eba02f76c4

      • memory/796-38-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/796-36-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/796-35-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/5608-42-0x0000000000610000-0x000000000064E000-memory.dmp

        Filesize

        248KB

      • memory/5608-43-0x00000000078D0000-0x0000000007E74000-memory.dmp

        Filesize

        5.6MB

      • memory/5608-44-0x00000000073D0000-0x0000000007462000-memory.dmp

        Filesize

        584KB

      • memory/5608-45-0x0000000004970000-0x000000000497A000-memory.dmp

        Filesize

        40KB

      • memory/5608-46-0x00000000084A0000-0x0000000008AB8000-memory.dmp

        Filesize

        6.1MB

      • memory/5608-47-0x00000000076B0000-0x00000000077BA000-memory.dmp

        Filesize

        1.0MB

      • memory/5608-48-0x00000000075D0000-0x00000000075E2000-memory.dmp

        Filesize

        72KB

      • memory/5608-49-0x0000000007630000-0x000000000766C000-memory.dmp

        Filesize

        240KB

      • memory/5608-50-0x00000000077C0000-0x000000000780C000-memory.dmp

        Filesize

        304KB