Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    25/05/2026, 17:39

General

  • Target
    download.exe
  • Size 26.1MB
  • Sample260525-v8pg3sdy8m
  • SHA256 321ceed8ae02926fd16bf5318591c32b8f423f87bada4c6b20bd22cbb0f6ed94
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 21 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Detects Pyinstaller 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\download.exe
    "C:\Users\Admin\AppData\Local\Temp\download.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4028
    • C:\Users\Admin\AppData\Local\Temp\download.exe
      "C:\Users\Admin\AppData\Local\Temp\download.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:5068
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -NoProfile -ExecutionPolicy Bypass -Command " $WshShell = New-Object -ComObject WScript.Shell; $Shortcut = $WshShell.CreateShortcut(\"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\defender.lnk\"); $Shortcut.TargetPath = \"C:\Users\Admin\.c2\Windows Defender.exe\"; $Shortcut.WorkingDirectory = \"C:\Users\Admin\.c2\"; $Shortcut.Save(); "
        3⤵
        • Drops startup file
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3444
      • C:\Users\Admin\.c2\Windows Defender.exe
        "C:\Users\Admin\.c2\Windows Defender.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:4872
        • C:\Users\Admin\.c2\Windows Defender.exe
          "C:\Users\Admin\.c2\Windows Defender.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2132
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c cls
            5⤵
              PID:1812
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c cls
              5⤵
                PID:5476
              • C:\Windows\system32\cmd.exe
                C:\Windows\system32\cmd.exe /c cls
                5⤵
                  PID:5480
                • C:\Windows\system32\cmd.exe
                  C:\Windows\system32\cmd.exe /c cls
                  5⤵
                    PID:3172
                  • C:\Windows\system32\cmd.exe
                    C:\Windows\system32\cmd.exe /c cls
                    5⤵
                      PID:1556
                    • C:\Windows\system32\cmd.exe
                      C:\Windows\system32\cmd.exe /c cls
                      5⤵
                        PID:1244
                      • C:\Windows\system32\cmd.exe
                        C:\Windows\system32\cmd.exe /c cls
                        5⤵
                          PID:1236
                        • C:\Windows\system32\cmd.exe
                          C:\Windows\system32\cmd.exe /c cls
                          5⤵
                            PID:1624

                  Network

                        MITRE ATT&CK Enterprise v16

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        VCRUNTIME140.dll

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40282\VCRUNTIME140.dll
                        • Size 117KB
                        • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        Windows Defender.exe

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40282\Windows Defender.exe
                        • Size 18.4MB
                        • SHA256 e7494536392704067f388b8d923be83937c13c957be5e90a8a5f2ffa132d6178
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        _bz2.pyd

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40282\_bz2.pyd
                        • Size 85KB
                        • SHA256 a4be36fffeefa8b24c1234d548da8f05558aba53c2ea7d1d2614776eaad8fbf4
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        _decimal.pyd

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40282\_decimal.pyd
                        • Size 283KB
                        • SHA256 04738ee6b96bcc6351446b011b523d831aa88ec3f11d4b64c33414c965b56b80
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        _hashlib.pyd

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40282\_hashlib.pyd
                        • Size 67KB
                        • SHA256 d4524b261f09806a828c62fc97e8517328b23d65ab87d20706a4bafd86bbf345
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        _lzma.pyd

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40282\_lzma.pyd
                        • Size 157KB
                        • SHA256 f7ad11fbbb7aeaf7b6566a532a3243e3ae5f92bac480dbe5c2ef300fe2c1dabe
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        _socket.pyd

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40282\_socket.pyd
                        • Size 85KB
                        • SHA256 ff3e97cd11bdc68798e5b3dcd5295d1efba179b7344142d50d066bbf1c2d79cd
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        _ssl.pyd

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40282\_ssl.pyd
                        • Size 180KB
                        • SHA256 43e60bbdff2fe41701f39fa25ea6a8251a2b7623ff18f980a209a451eb5e648f
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        _zstd.pyd

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40282\_zstd.pyd
                        • Size 491KB
                        • SHA256 536a3b521a3c42d2827ece0ccfbe40b83a2fd96a0f5496cd60b943b10e1266d4
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        base_library.zip

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40282\base_library.zip
                        • Size 1.3MB
                        • SHA256 5cf9b98364de5271c3b86e472ead61153f696e2c3a86a5c9b849b85e972e4c71
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        libcrypto-3.dll

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40282\libcrypto-3.dll
                        • Size 5.0MB
                        • SHA256 e03dd02fdcfb791981c9962827cfcf495f2a47a514c1526efb57f847a9df514a
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        libssl-3.dll

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40282\libssl-3.dll
                        • Size 776KB
                        • SHA256 1e4bc0638682bfcbb36f4465d6a2e9944d917a60f05ecc8ddf9e96847e05e13f
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        python314.dll

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40282\python314.dll
                        • Size 6.4MB
                        • SHA256 1ac15e2224581fc678bbd17728b9aa538d47b891b72c76499ef07e54cd74f151
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        select.pyd

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40282\select.pyd
                        • Size 32KB
                        • SHA256 05734bd352ce60c944d474aa62468cc5eebf400097f1d9d0c453d37aed26fcca
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        unicodedata.pyd

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI40282\unicodedata.pyd
                        • Size 740KB
                        • SHA256 4445b894f836e89a8b9fdcc88b5e59fbc76aca805baaf40aeb69e869978d4e6d
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        VCRUNTIME140_1.dll

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48722\VCRUNTIME140_1.dll
                        • Size 48KB
                        • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        _ctypes.pyd

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48722\_ctypes.pyd
                        • Size 139KB
                        • SHA256 f8a9f7831e81b2bfba12456e589f8198114f24986bd527ac231a844565afcddb
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        _uuid.pyd

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48722\_uuid.pyd
                        • Size 27KB
                        • SHA256 fc7406772b43caa3b6f41c690753792188b1c14c36a723d49e9276b7457696ce
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        _wmi.pyd

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48722\_wmi.pyd
                        • Size 39KB
                        • SHA256 5a7f3444f1c2f85fb5573bc330c1aea2c583912bb6f948ff81f8fd89a30e67be
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        base_library.zip

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48722\base_library.zip
                        • Size 1.3MB
                        • SHA256 2edc17f609f7fa3cc60ca290608b8b665dd1f3cc37403d1eb3d841249c2e3b81
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        diskusage.json

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48722\commands\diskusage.json
                        • Size 226B
                        • SHA256 46732df89fe3bac166d989992cac2cc7bc1b2bc9f83c9954a3308fd33ae37c21
                        • MD5 SHA1 SHA512 TLSH

                        extractor.json

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48722\commands\extractor.json
                        • Size 137B
                        • SHA256 fec39ccb28afbea87d594563e2a7bb7509f86994f9053cf9e6101072390887f3
                        • MD5 SHA1 SHA512 TLSH

                        ping.json

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48722\commands\ping.json
                        • Size 298B
                        • SHA256 c125d27c89967784352b3ab1c6b2c5dedfbbd29e1dc83b52290c49d4cc6537e0
                        • MD5 SHA1 SHA512 TLSH

                        services.json

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48722\commands\services.json
                        • Size 157B
                        • SHA256 f3e8a5c3cda7336e3003b7cb1acd291f702681a8dcce03c657b98b5899dfcd8c
                        • MD5 SHA1 SHA512 TLSH

                        shell.json

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48722\commands\shell.json
                        • Size 309B
                        • SHA256 cddaf88b6092d19ebca48f15678d66db9a721e987cefe0867e29f9df0bd32bf8
                        • MD5 SHA1 SHA512 TLSH

                        sysinfo.json

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48722\commands\sysinfo.json
                        • Size 458B
                        • SHA256 ab0f5607f75394f338817fb0bb8aadf5773f927e63c49807681394ab186a340a
                        • MD5 SHA1 SHA512 TLSH

                        uptime.json

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48722\commands\uptime.json
                        • Size 111B
                        • SHA256 81bd1bfea4e0c0ef40fb04bf89b89404393f651e4cebebc9e0398bc057af3d81
                        • MD5 SHA1 SHA512 TLSH

                        libffi-8.dll

                        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48722\libffi-8.dll
                        • Size 38KB
                        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
                        • MD5 SHA1 SHA512 SSDEEP TLSH

                        __PSScriptPolicyTest_2qausir1.1t2.ps1

                        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2qausir1.1t2.ps1
                        • Size 60B
                        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                        • MD5 SHA1 SHA512 TLSH

                        memory/3444-40-0x00000200D1620000-0x00000200D1642000-memory.dmp

                        memory/3444-39-0x00000200D1670000-0x00000200D1680000-memory.dmp

                        memory/3444-38-0x00000200D1670000-0x00000200D1680000-memory.dmp