Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/03/2024, 13:31

General

  • Target
    df499c779ba0a23633ffe355ae86018a.exe
  • Size 1.5MB
  • Sample240326-qsr6taec6s
  • SHA256 2a322e9c3e95592135d3fb1985ff53c9b78d248ae425c4de91b7715e68cef42b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • cryptbot

C2
  • ewabpl55.top

  • morexn05.top

Attributes
  • payload_url

    http://winorm07.top/download.php?file=lv.exe

Signatures

  • CryptBot

    A C++ stealer distributed widely in bundle with other software.

  • CryptBot payload 5 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\df499c779ba0a23633ffe355ae86018a.exe
    "C:\Users\Admin\AppData\Local\Temp\df499c779ba0a23633ffe355ae86018a.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2520
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c HrqzmfaF
      2⤵
        PID:3852
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c cmd < Peso.png
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4152
        • C:\Windows\SysWOW64\cmd.exe
          cmd
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:872
          • C:\Windows\SysWOW64\findstr.exe
            findstr /V /R "^wxKhHHNxSLiwkTrWsbTamRtjJEGsCMBkhjCzFxGRMlEsiYJsbHRtlyNldnEewcSylWNYdJsXQeFfjMtKVgUUVvqomariQDQss$" Sconvolge.png
            4⤵
              PID:4748
            • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Giovine.exe.com
              Giovine.exe.com g
              4⤵
              • Executes dropped EXE
              • Suspicious use of WriteProcessMemory
              PID:3888
              • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Giovine.exe.com
                C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Giovine.exe.com g
                5⤵
                • Executes dropped EXE
                • Checks processor information in registry
                • Suspicious use of FindShellTrayWindow
                PID:3112
            • C:\Windows\SysWOW64\PING.EXE
              ping localhost -n 30
              4⤵
              • Runs ping.exe
              PID:492

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            6ZboQLrlm3njpV.zip

            • Path C:\Users\Admin\AppData\Local\Temp\68X36nXKdf\6ZboQLrlm3njpV.zip
            • Size 38KB
            • SHA256 a0092f7c23e9a79f4fcf2a27b59114a967dcf2a268578f5faf373690fd7232f2
            • MD5 SHA1 SHA512 SSDEEP

            _Information.txt

            • Path C:\Users\Admin\AppData\Local\Temp\68X36nXKdf\_Files\_Information.txt
            • Size 1KB
            • SHA256 e467e00ae5e10fc149ebae9be9ba47d486efe9c67afc6c60d23f35da260a9463
            • MD5 SHA1 SHA512

            _Information.txt

            • Path C:\Users\Admin\AppData\Local\Temp\68X36nXKdf\_Files\_Information.txt
            • Size 1KB
            • SHA256 734576fa399b422cf1dbfbcbfb8806f9ac62aba0a6d852ba0d4f89726cea895c
            • MD5 SHA1 SHA512

            _Information.txt

            • Path C:\Users\Admin\AppData\Local\Temp\68X36nXKdf\_Files\_Information.txt
            • Size 4KB
            • SHA256 836442db66632cda5b7246abc58e3db5ba9c6d839b16b4b5cfeb8ced8f6dcd63
            • MD5 SHA1 SHA512 SSDEEP

            _Screen_Desktop.jpeg

            • Path C:\Users\Admin\AppData\Local\Temp\68X36nXKdf\_Files\_Screen_Desktop.jpeg
            • Size 44KB
            • SHA256 b7f07e489ff9425456e8674867a510d4cf72062b4d499487f73dd278b461cb46
            • MD5 SHA1 SHA512 SSDEEP

            system_info.txt

            • Path C:\Users\Admin\AppData\Local\Temp\68X36nXKdf\files_\system_info.txt
            • Size 4KB
            • SHA256 68a3df3c0fa934c0731e98823c16325b60b7da0997ad814f34e5cc3db4930ee0
            • MD5 SHA1 SHA512 SSDEEP

            inkt7mnX.zip

            • Path C:\Users\Admin\AppData\Local\Temp\68X36nXKdf\inkt7mnX.zip
            • Size 38KB
            • SHA256 bd9138dd4813c3f9f01674137367af4d855f9c34d6b7fbc963b2389f0ae3750f
            • MD5 SHA1 SHA512 SSDEEP

            Giovine.exe.com

            • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Giovine.exe.com
            • Size 872KB
            • SHA256 237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d
            • MD5 SHA1 SHA512 SSDEEP

            Par.png

            • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Par.png
            • Size 774KB
            • SHA256 125c176b43b52984ddccb81e906d8d7332dfa1399c9be6a64ff6d438a7ea4df8
            • MD5 SHA1 SHA512 SSDEEP

            Parlato.png

            • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Parlato.png
            • Size 634KB
            • SHA256 3a88f4c24d7a754ffb8d3f0081f8b4e446c1a192e1653ac42ef5209e32cdea1f
            • MD5 SHA1 SHA512 SSDEEP

            Peso.png

            • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Peso.png
            • Size 457B
            • SHA256 0bb716e563884454ce59c1e542f811e0217df3b6a4bf2fe73903ca811053f05b
            • MD5 SHA1 SHA512

            Sconvolge.png

            • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Sconvolge.png
            • Size 872KB
            • SHA256 fd2154d917d47cf77002b8fdd66f5083e66665d90bee5dfa39f289d6a86c0a11
            • MD5 SHA1 SHA512 SSDEEP

            memory/3112-21-0x0000000000BC0000-0x0000000000BC1000-memory.dmp

            memory/3112-28-0x00000000043F0000-0x0000000004493000-memory.dmp

            memory/3112-27-0x00000000043F0000-0x0000000004493000-memory.dmp

            memory/3112-26-0x00000000043F0000-0x0000000004493000-memory.dmp

            memory/3112-25-0x00000000043F0000-0x0000000004493000-memory.dmp

            memory/3112-24-0x00000000043F0000-0x0000000004493000-memory.dmp

            memory/3112-23-0x00000000043F0000-0x0000000004493000-memory.dmp

            memory/3112-236-0x00000000043F0000-0x0000000004493000-memory.dmp

            memory/3112-22-0x00000000043F0000-0x0000000004493000-memory.dmp