Analysis

  • max time kernel
    148s
  • 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, 09:56

General

  • Target
    fedbb32d49ceadba3f4f54639ae2d48c963ae6599b439f9922f20fc96716e84c.exe
  • Size 1.2MB
  • Sample240523-lyrd9ace56
  • SHA256 fedbb32d49ceadba3f4f54639ae2d48c963ae6599b439f9922f20fc96716e84c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

Botnet
  • darts

C2
  • 77.91.124.82:19071

Attributes
  • auth_value

    3c8818da7045365845f15ec0946ebf11

Extracted

Family
  • redline

Botnet
  • kendo

C2
  • 77.91.124.82:19071

Attributes
  • auth_value

    5a22a881561d49941415902859b51f14

Signatures

  • Detect Mystic stealer payload 4 IoCs
  • Detects Healer an antivirus disabler dropper 1 IoCs
  • Healer

    Healer an antivirus disabler dropper.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 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 9 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Program crash 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fedbb32d49ceadba3f4f54639ae2d48c963ae6599b439f9922f20fc96716e84c.exe
    "C:\Users\Admin\AppData\Local\Temp\fedbb32d49ceadba3f4f54639ae2d48c963ae6599b439f9922f20fc96716e84c.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4784
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v5926827.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v5926827.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:996
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v9785829.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v9785829.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:2612
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v5694934.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v5694934.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:1020
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\v2934414.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\v2934414.exe
            5⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of WriteProcessMemory
            PID:2140
            • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a6393065.exe
              C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a6393065.exe
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:1372
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                7⤵
                • Modifies Windows Defender Real-time Protection settings
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:3528
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1372 -s 552
                7⤵
                • Program crash
                PID:4480
            • C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\b9901341.exe
              C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\b9901341.exe
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:3600
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                7⤵
                  PID:1744
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3600 -s 552
                  7⤵
                  • Program crash
                  PID:2756
            • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\c7252303.exe
              C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\c7252303.exe
              5⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:4852
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                6⤵
                  PID:1084
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
                  6⤵
                    PID:2380
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 4852 -s 552
                    6⤵
                    • Program crash
                    PID:1144
              • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\d1833661.exe
                C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\d1833661.exe
                4⤵
                • Executes dropped EXE
                PID:3080
            • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\e4922868.exe
              C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\e4922868.exe
              3⤵
              • Executes dropped EXE
              PID:1152
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1372 -ip 1372
          1⤵
            PID:2592
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3600 -ip 3600
            1⤵
              PID:4544
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4852 -ip 4852
              1⤵
                PID:860

              Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

                    v5926827.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v5926827.exe
                    • Size 941KB
                    • SHA256 4e25b879a161b0c06ee2bed9bf1e17166d00bfd242bd3bd0c350570c46b243d1
                    • MD5 SHA1 SHA512 SSDEEP

                    e4922868.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\e4922868.exe
                    • Size 174KB
                    • SHA256 98e1a5644f27b85d45832d02261047bff004c2f8065de473aada2260dd8fa3a5
                    • MD5 SHA1 SHA512 SSDEEP

                    v9785829.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v9785829.exe
                    • Size 784KB
                    • SHA256 b54ecf36055adb74ee555dd2ad9bd6658cff11549c7bb75a18b619985261572e
                    • MD5 SHA1 SHA512 SSDEEP

                    d1833661.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\d1833661.exe
                    • Size 140KB
                    • SHA256 7d31931d5ba0d16a6b0dbbf94de724c77b8fe4080468e489635ba3a4702660a9
                    • MD5 SHA1 SHA512 SSDEEP

                    v5694934.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v5694934.exe
                    • Size 618KB
                    • SHA256 9ca3fb9eb2d3a26c661394b6c12ca4096810f2ddf08e1eb42e297707508b9b12
                    • MD5 SHA1 SHA512 SSDEEP

                    c7252303.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\c7252303.exe
                    • Size 398KB
                    • SHA256 f5bbfa580ef9bb7ff9917dec5b2a62f70b634aad8bb8c564a29910f44bbabff5
                    • MD5 SHA1 SHA512 SSDEEP

                    v2934414.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\v2934414.exe
                    • Size 347KB
                    • SHA256 19c84c1cb56849eb6c58d661a9df146223e5679dc423c0174fc00184609e7563
                    • MD5 SHA1 SHA512 SSDEEP

                    a6393065.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\a6393065.exe
                    • Size 235KB
                    • SHA256 fc12ea2abb7fe8af5c3d43c6b020197f43fa9dca0affb2b41f707e207b720e80
                    • MD5 SHA1 SHA512 SSDEEP

                    b9901341.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\b9901341.exe
                    • Size 364KB
                    • SHA256 5dd117d9f0e82f324ebb678fcf8cd33408d2de119c129c868d71695927609ffb
                    • MD5 SHA1 SHA512 SSDEEP

                    memory/1152-57-0x0000000000120000-0x0000000000150000-memory.dmp

                    memory/1152-58-0x0000000006DD0000-0x0000000006DD6000-memory.dmp

                    memory/1744-39-0x0000000000400000-0x0000000000428000-memory.dmp

                    memory/1744-42-0x0000000000400000-0x0000000000428000-memory.dmp

                    memory/1744-40-0x0000000000400000-0x0000000000428000-memory.dmp

                    memory/2380-52-0x000000000A780000-0x000000000A88A000-memory.dmp

                    memory/2380-51-0x000000000AC40000-0x000000000B258000-memory.dmp

                    memory/2380-47-0x0000000001360000-0x0000000001366000-memory.dmp

                    memory/2380-55-0x000000000A6C0000-0x000000000A6D2000-memory.dmp

                    memory/2380-46-0x0000000000400000-0x0000000000430000-memory.dmp

                    memory/2380-59-0x000000000A720000-0x000000000A75C000-memory.dmp

                    memory/2380-60-0x0000000004AE0000-0x0000000004B2C000-memory.dmp

                    memory/3528-35-0x0000000000400000-0x000000000040A000-memory.dmp