Analysis

  • max time kernel
    146s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 19:19

General

  • Target

    458df588f5966c10e2094b70930a00d3b16a8c7a53455d78817db7b98db8e48e.exe

  • Size

    1.2MB

  • MD5

    749cc27ede9844db268292f4bfb11810

  • SHA1

    c5ea969f966654b089c5ea4ff849dca2d9a2d0b3

  • SHA256

    458df588f5966c10e2094b70930a00d3b16a8c7a53455d78817db7b98db8e48e

  • SHA512

    57613793dece26dbfc7466c96ab5dd120d5a57e1d669ffa0d743cab0b14b3f10316bca821ea327fdffef86cbc3224fd0f10900475ae98ef326f863483f600915

  • SSDEEP

    24576:xyFAyEwceNyOtnb6W4rS+we8iviqMSXOwVD6OiaWK5:kQwceN5CrS+1Z6ETVDjirK

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\458df588f5966c10e2094b70930a00d3b16a8c7a53455d78817db7b98db8e48e.exe
    "C:\Users\Admin\AppData\Local\Temp\458df588f5966c10e2094b70930a00d3b16a8c7a53455d78817db7b98db8e48e.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3408
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Uk9KV4Kc.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Uk9KV4Kc.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3288
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ae0Iu6pu.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ae0Iu6pu.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:4204
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ri5EW7aR.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ri5EW7aR.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:888
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\zu1Yy0DJ.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\zu1Yy0DJ.exe
            5⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of WriteProcessMemory
            PID:936
            • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Xm57iz0.exe
              C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Xm57iz0.exe
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:2384
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                7⤵
                  PID:5660
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2384 -s 152
                  7⤵
                  • Program crash
                  PID:4328
              • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2rM076aT.exe
                C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2rM076aT.exe
                6⤵
                • Executes dropped EXE
                PID:3092
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2384 -ip 2384
      1⤵
        PID:1912

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Persistence

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Privilege Escalation

      Boot or Logon Autostart Execution

      1
      T1547

      Registry Run Keys / Startup Folder

      1
      T1547.001

      Defense Evasion

      Modify Registry

      1
      T1112

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Uk9KV4Kc.exe
        Filesize

        1.0MB

        MD5

        c6c7af16614004bd63f0a4a845134ea5

        SHA1

        aa4f1ee2bd81feb40aac9b34f010e4ce25ac8be3

        SHA256

        0d1fb003e68dd722dd928d39dc7051ae4beb0854135648eec78b4c66f7af83ad

        SHA512

        a00954e9a670e8728facce4471933e1ae8806da4eff72095b52c37098da27dd8fe1855d6345c3c8cc79a451c4f8f7251754e0cf1d22663fe317daaa5524531fa

      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ae0Iu6pu.exe
        Filesize

        879KB

        MD5

        27d45a6491d50c2590bee99d0a00c230

        SHA1

        9390283b49608f34f92f735568b428ab3c9b6475

        SHA256

        8b33d48f0910d5fcadf473bf9bbfb4ba23b1a33be89de8da7754c94fe276b4f2

        SHA512

        2156f3bd3781bd492aaadb11346cb423c2117b6c6fa6f0e749d830c45aa7da68d0fb95aecad408f9bbd9524268c391ba5d9e8f974546867d311e325c13ccc25c

      • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\ri5EW7aR.exe
        Filesize

        584KB

        MD5

        5be23c6fe708855cb9c322d4d3df08e2

        SHA1

        5890268c738440943826eb3bc1a9ca0998770b69

        SHA256

        11179717baa9f634e9b5d6335d94b40f2b2edbc03787858172ffb9c0060f69c1

        SHA512

        bfb29fd0ec232d3b7df2ebcb1d78e7f723e6429b153567480044524b1002c5135846645d5aba92aab414b9b0d602ac28f456dabc5da2120fd9fe576a3e0ea7f7

      • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\zu1Yy0DJ.exe
        Filesize

        412KB

        MD5

        6c0207019b96c618c5130f6b12415561

        SHA1

        46bcd8da4c43127dcfcc8ad51db96ecc643c2e51

        SHA256

        7594e1c1e28b3969eac8b2c7115ba5ac269a228066d4c27fbdfc82df5b42a779

        SHA512

        66a5f0924afdabd32bb0ca8d7619b12f7caf00aa573ef4ed898083841ee9ed88b75677d00b56488d6ce940957c94c1f5e380cc90d96c6a460896ff48ac9e2a6b

      • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\1Xm57iz0.exe
        Filesize

        378KB

        MD5

        bfe7442caeb18368243826ce84888156

        SHA1

        dd578912fbc17e704c3b34fb12fe523131b30ba8

        SHA256

        6c1cd889dc8ccb7a6a610b9748507d3a062f8dd1743a93a5ffde212b75a05992

        SHA512

        c0b94d2db368beaf7d90f4d09c0b1feb02a4a6579281959232a8a6c106e6a15a0079263ba2f66be2679ee6917aaa1b1850f129f74a67f87591b539ca4250958f

      • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\2rM076aT.exe
        Filesize

        221KB

        MD5

        de190f7459b84719a45aec907259eb55

        SHA1

        4006e9320fbe1e71cb1360057b0f151fc1133fa4

        SHA256

        0daa63306c9e4ae387dbe32a247a2c15b20362e7f96175874cff59b30c7d675b

        SHA512

        982ab4d5117ea4886bd3feedaba821b42ff99539ec96df933e2c6a1ba9b577f1ebcee52c1341c246bb93ba6623a626c68778a1986c2ade65e229fdbb17f791da

      • memory/3092-42-0x00000000005C0000-0x00000000005FE000-memory.dmp
        Filesize

        248KB

      • memory/3092-43-0x0000000007890000-0x0000000007E34000-memory.dmp
        Filesize

        5.6MB

      • memory/3092-44-0x0000000007380000-0x0000000007412000-memory.dmp
        Filesize

        584KB

      • memory/3092-45-0x00000000027E0000-0x00000000027EA000-memory.dmp
        Filesize

        40KB

      • memory/3092-46-0x0000000008460000-0x0000000008A78000-memory.dmp
        Filesize

        6.1MB

      • memory/3092-47-0x0000000007770000-0x000000000787A000-memory.dmp
        Filesize

        1.0MB

      • memory/3092-48-0x0000000007470000-0x0000000007482000-memory.dmp
        Filesize

        72KB

      • memory/3092-49-0x00000000074E0000-0x000000000751C000-memory.dmp
        Filesize

        240KB

      • memory/3092-50-0x0000000007660000-0x00000000076AC000-memory.dmp
        Filesize

        304KB

      • memory/5660-36-0x0000000000400000-0x0000000000428000-memory.dmp
        Filesize

        160KB

      • memory/5660-38-0x0000000000400000-0x0000000000428000-memory.dmp
        Filesize

        160KB

      • memory/5660-35-0x0000000000400000-0x0000000000428000-memory.dmp
        Filesize

        160KB