Analysis

  • max time kernel
    149s
  • max time network
    152s
  • 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
    4316c9cb7f9e1a073313300df45a90e9457dec01ec27e4f7c9725091247276d5.exe
  • Size 1.3MB
  • Sample240523-lyrd9ace56
  • SHA256 4316c9cb7f9e1a073313300df45a90e9457dec01ec27e4f7c9725091247276d5
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 3.87

Botnet
  • 59b440

C2
  • http://77.91.68.18

Attributes
  • install_dir

    b40d11255d

  • install_file

    saves.exe

  • strings_key

    fa622dfc42544927a6471829ee1fa9fe

  • url_paths

    /nice/index.php

rc4.plain

Extracted

Family
  • redline

Botnet
  • mrak

C2
  • 77.91.124.82:19071

Attributes
  • auth_value

    7d9a335ab5dfd42d374867c96fe25302

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Detect Mystic stealer payload 1 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
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 9 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of WriteProcessMemory 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4316c9cb7f9e1a073313300df45a90e9457dec01ec27e4f7c9725091247276d5.exe
    "C:\Users\Admin\AppData\Local\Temp\4316c9cb7f9e1a073313300df45a90e9457dec01ec27e4f7c9725091247276d5.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2568
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4232902.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4232902.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1812
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y7048778.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y7048778.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:5084
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\y9712527.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\y9712527.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:4348
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\l7189913.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\l7189913.exe
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:3248
            • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
              "C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe"
              6⤵
              • Checks computer location settings
              • Executes dropped EXE
              • Suspicious use of WriteProcessMemory
              PID:2524
              • C:\Windows\SysWOW64\schtasks.exe
                "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN saves.exe /TR "C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe" /F
                7⤵
                • Creates scheduled task(s)
                PID:4760
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /k echo Y|CACLS "saves.exe" /P "Admin:N"&&CACLS "saves.exe" /P "Admin:R" /E&&echo Y|CACLS "..\b40d11255d" /P "Admin:N"&&CACLS "..\b40d11255d" /P "Admin:R" /E&&Exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:4948
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                  8⤵
                    PID:4536
                  • C:\Windows\SysWOW64\cacls.exe
                    CACLS "saves.exe" /P "Admin:N"
                    8⤵
                      PID:4432
                    • C:\Windows\SysWOW64\cacls.exe
                      CACLS "saves.exe" /P "Admin:R" /E
                      8⤵
                        PID:2880
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /S /D /c" echo Y"
                        8⤵
                          PID:1860
                        • C:\Windows\SysWOW64\cacls.exe
                          CACLS "..\b40d11255d" /P "Admin:N"
                          8⤵
                            PID:780
                          • C:\Windows\SysWOW64\cacls.exe
                            CACLS "..\b40d11255d" /P "Admin:R" /E
                            8⤵
                              PID:4372
                      • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\m2129241.exe
                        C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\m2129241.exe
                        5⤵
                        • Executes dropped EXE
                        PID:4256
                    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n3270982.exe
                      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n3270982.exe
                      4⤵
                      • Executes dropped EXE
                      PID:4464
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:3564
              • C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                C:\Users\Admin\AppData\Local\Temp\b40d11255d\saves.exe
                1⤵
                • Executes dropped EXE
                PID:3120

              Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

                    y4232902.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y4232902.exe
                    • Size 1.2MB
                    • SHA256 e15144e3301b62546f5b8bbbfc7d6a4f6d6c08de14807ad80c52de1982c21c83
                    • MD5 SHA1 SHA512 SSDEEP

                    y7048778.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\y7048778.exe
                    • Size 475KB
                    • SHA256 f7a55d0436f7213857036c90ad7962b2c821a58b9ce8b96e085ef7bd6622c862
                    • MD5 SHA1 SHA512 SSDEEP

                    n3270982.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\n3270982.exe
                    • Size 174KB
                    • SHA256 64b3ee27dd0dd75d582d53366d35a72ac2485edf4ca5082e785db900fb7f25b3
                    • MD5 SHA1 SHA512 SSDEEP

                    y9712527.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\y9712527.exe
                    • Size 319KB
                    • SHA256 fab9b8dc264f463a76eb3c4a68ca6d77a509f0238eaa12cd2c3ddc39d07abcc9
                    • MD5 SHA1 SHA512 SSDEEP

                    l7189913.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\l7189913.exe
                    • Size 337KB
                    • SHA256 a24cef5ce747aa608a957e3b22986f1595ceeb0e2da8fbd684b9309899a5bf1c
                    • MD5 SHA1 SHA512 SSDEEP

                    m2129241.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\m2129241.exe
                    • Size 142KB
                    • SHA256 90b83752111f3504a0eec0eb9db7697fd79eb32933a83c96d131a180bb890c4e
                    • MD5 SHA1 SHA512 SSDEEP

                    memory/4464-43-0x0000000000DA0000-0x0000000000DD0000-memory.dmp

                    memory/4464-44-0x00000000032B0000-0x00000000032B6000-memory.dmp

                    memory/4464-45-0x0000000005E40000-0x0000000006458000-memory.dmp

                    memory/4464-46-0x0000000005930000-0x0000000005A3A000-memory.dmp

                    memory/4464-47-0x0000000005860000-0x0000000005872000-memory.dmp

                    memory/4464-48-0x00000000058C0000-0x00000000058FC000-memory.dmp

                    memory/4464-49-0x0000000005A40000-0x0000000005A8C000-memory.dmp