Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/08/2026, 03:53

General

  • Target
    composer.dat.exe
  • Size 13.2MB
  • Sample260812-efxd8ayard
  • SHA256 b47388d22151e585b1df5daaa085c7bce422fb4741090c54138eb74e847e80a6
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 12 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Loads dropped DLL 15 IoCs
  • Executes a command shell one-liner 1 TTPs 12 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\composer.dat.exe
    "C:\Users\Admin\AppData\Local\Temp\composer.dat.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4860
    • C:\Users\Admin\AppData\Local\Temp\composer.dat.exe
      "C:\Users\Admin\AppData\Local\Temp\composer.dat.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3624
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp'""
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:5904
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:5868
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Public\Accounts\puhuquj'""
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:2844
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Public\Accounts\puhuquj'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:5204
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp'""
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:3516
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1396
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'D:\'""
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:1244
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'D:\'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:4628
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'E:\'""
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:1460
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'E:\'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:3016
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'F:\'""
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:1724
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'F:\'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:6028
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'G:\'""
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:2324
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'G:\'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:1684
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'X:\'""
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:4072
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'X:\'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:1136
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'Y:\'""
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:5068
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'Y:\'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:3396
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionPath 'Z:\'""
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:1392
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionPath 'Z:\'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:4900
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionProcess 'C:\Windows\System32\cmd.exe'""
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:4372
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionProcess 'C:\Windows\System32\cmd.exe'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:1700
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "powershell -Command "Add-MpPreference -ExclusionProcess 'C:\Windows\System32\clip.exe'""
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:1108
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command "Add-MpPreference -ExclusionProcess 'C:\Windows\System32\clip.exe'"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          PID:3456

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 6e195845504aa823d393fce591d97eac44961a87f3863d3d0d4bcdcf43dcef37
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 c7b6604ff5990e616d846a778a556a5efde1ee36f30514268effc2484ad84ebc
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 ca81aed6d41a228db41e9b0093ef306a01ab164608401db38056e1094724d927
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 287307bc450d600c2d2233396ad78e35ee001205892e0d2fc4efa4360072a1f1
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 3f9c52653b38170df1e5462aa4eb85c485f413b424d9862beba460c9388aa8ff
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 cf945b43222be12fe29077d14d2ce5a41c5f926508e7f4beb813741bd761cdb8
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 2307028c768767d7f131a8c5b416037f6bc975943dec7491be7a5738777dbd1c
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 d28ef187840dcd1fe0a8a757ef9cd326023bec38b39ef1338f91d508d55dcf28
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 31f54a84498a62f4280cdad450e7e459b75378c7e67bfcf3279f493410eef07a
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 2884a8981cb6a70b9abd66968f9cb3f6b4cfecb3e4e57c429958241ddd87e5f8
        • MD5 SHA1 SHA512 TLSH

        VCRUNTIME140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48602\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 36585912e5eaf83ba9fea0631534f690ccdc2d7ba91537166fe53e56c221e153
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _bz2.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48602\_bz2.pyd
        • Size 82KB
        • SHA256 fc3b481684b926350057e263622a2a5335b149a0498a8d65c4f37e39dd90b640
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ctypes.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48602\_ctypes.pyd
        • Size 128KB
        • SHA256 f63c6c7e71c342084d8f1a108786ca6975a52cefef8be32cc2589e6e2fe060c8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _hashlib.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48602\_hashlib.pyd
        • Size 62KB
        • SHA256 838d5c8b7c3212c8429baf612623abbbc20a9023eec41e34e5461b76a285b86c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _lzma.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48602\_lzma.pyd
        • Size 154KB
        • SHA256 d080eabd015a3569813a220fd4ea74dff34ed2a8519a10473eb37e22b1118a06
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _socket.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48602\_socket.pyd
        • Size 81KB
        • SHA256 35246b04c6c7001ca448554246445a845ce116814a29b18b617ea38752e4659b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _uuid.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48602\_uuid.pyd
        • Size 25KB
        • SHA256 f9d5008f0772aa0720bc056a6ecd5a2a3f24965e4b470b022d88627a436c1ffe
        • MD5 SHA1 SHA512 SSDEEP TLSH

        base_library.zip

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48602\base_library.zip
        • Size 1.3MB
        • SHA256 b4fdc71b0ec007c9d97f71a89d86d9d9986d825041c333f13e7230941491b1b0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libcrypto-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48602\libcrypto-3.dll
        • Size 5.0MB
        • SHA256 4e5d5d20d6d31e72ab341c81e97b89e514326c4c861b48638243bdf0918cfa43
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libffi-8.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48602\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _psutil_windows.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48602\psutil\_psutil_windows.pyd
        • Size 69KB
        • SHA256 0035450801bd7d938e9e146c5ec28e619cb5a5f4a18cdc53ac7e9734c7f94f78
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pyarmor_runtime.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48602\pyarmor_runtime_000000\pyarmor_runtime.pyd
        • Size 625KB
        • SHA256 6adc81eed3775893499615d4d3a05ecf6e5536a5bbd4eb238f3a644f4f8c4b98
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python3.DLL

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48602\python3.DLL
        • Size 68KB
        • SHA256 a5c6a329698490a035133433928d04368ce6285bb91a9d074fc285de4c9a32a4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python313.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48602\python313.dll
        • Size 5.8MB
        • SHA256 0c0a66505093b6a4bb3475f716bd3d9552095776f6a124709c13b3f9552c7d99
        • MD5 SHA1 SHA512 SSDEEP TLSH

        select.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI48602\select.pyd
        • Size 30KB
        • SHA256 78e5994c29d8851f28b5b12d59d742d876683aea58eceea1fb895b2036cdcdeb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_lyjpjrya.xhh.ps1

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

        memory/3624-79-0x0000000070180000-0x000000007022B000-memory.dmp

        memory/3624-149-0x0000000070180000-0x000000007022B000-memory.dmp

        memory/5868-67-0x000001E7F0D10000-0x000001E7F0D2E000-memory.dmp

        memory/5868-75-0x00007FFC47110000-0x00007FFC47AB4000-memory.dmp

        memory/5868-76-0x00007FFC47110000-0x00007FFC47AB4000-memory.dmp

        memory/5868-77-0x00007FFC47110000-0x00007FFC47AB4000-memory.dmp

        memory/5868-74-0x00007FFC47110000-0x00007FFC47AB4000-memory.dmp

        memory/5868-78-0x00007FFC47110000-0x00007FFC47AB4000-memory.dmp

        memory/5868-81-0x00007FFC47110000-0x00007FFC47AB4000-memory.dmp

        memory/5868-73-0x00007FFC47110000-0x00007FFC47AB4000-memory.dmp

        memory/5868-72-0x00007FFC47110000-0x00007FFC47AB4000-memory.dmp

        memory/5868-71-0x000001E7F0D30000-0x000001E7F0D3A000-memory.dmp

        memory/5868-70-0x00007FFC47110000-0x00007FFC47AB4000-memory.dmp

        memory/5868-69-0x00007FFC47110000-0x00007FFC47AB4000-memory.dmp

        memory/5868-68-0x000001E7F0FE0000-0x000001E7F1092000-memory.dmp

        memory/5868-64-0x00007FFC47110000-0x00007FFC47AB4000-memory.dmp

        memory/5868-63-0x00007FFC47110000-0x00007FFC47AB4000-memory.dmp

        memory/5868-62-0x00007FFC47110000-0x00007FFC47AB4000-memory.dmp

        memory/5868-61-0x00007FFC47110000-0x00007FFC47AB4000-memory.dmp

        memory/5868-60-0x000001E7F0C70000-0x000001E7F0C92000-memory.dmp

        memory/5868-57-0x00007FFC4729F000-0x00007FFC472A0000-memory.dmp