Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/10/2026, 10:34

General

  • Target
    obf_loader.exe
  • Size 37.8MB
  • Sample261003-ml72xacf89
  • SHA256 5a3502e78360046772496b041ba3e52c524144d8b0b8868f83973dd67a43847f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 42 IoCs
  • Queries system WMI classes for hardware identifiers 2 TTPs 1 IoCs

    Uses WMI to read hardware serial numbers or the system UUID, commonly used to fingerprint the victim machine.

  • Executes a command shell one-liner 1 TTPs 1 IoCs

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

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\obf_loader.exe
    "C:\Users\Admin\AppData\Local\Temp\obf_loader.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:6084
    • C:\Users\Admin\AppData\Local\Temp\obf_loader.exe
      "C:\Users\Admin\AppData\Local\Temp\obf_loader.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4544
      • C:\Users\Admin\AppData\Local\Temp\shield_qs_zal7a\core_engine.exe
        C:\Users\Admin\AppData\Local\Temp\shield_qs_zal7a\core_engine.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:4752
        • C:\Users\Admin\AppData\Local\Temp\shield_qs_zal7a\core_engine.exe
          C:\Users\Admin\AppData\Local\Temp\shield_qs_zal7a\core_engine.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious use of WriteProcessMemory
          PID:628
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c "wmic csproduct get uuid"
            5⤵
            • Executes a command shell one-liner
            • Suspicious use of WriteProcessMemory
            PID:5516
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic csproduct get uuid
              6⤵
              • Queries system WMI classes for hardware identifiers
              • Reads the TCP/IP host and domain name from the registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2592

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        VCRUNTIME140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017c42\VCRUNTIME140.dll
        • Size 174KB
        • SHA256 d1f4225df2cd877dbf130d5668a021dce3f94118455ff5ec952061c30afc9ce7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _bz2.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017c42\_bz2.pyd
        • Size 86KB
        • SHA256 b938073c85cf6b9fe80556d7899ed1901e5e60b7adea2832442376239fb36b36
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _lzma.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017c42\_lzma.pyd
        • Size 157KB
        • SHA256 d2abf8db7fb0cf6285663b177991691a41b37e215c3d71fd087a98d8ec1bee63
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _zstd.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017c42\_zstd.pyd
        • Size 491KB
        • SHA256 33c6eca99470c3eb9d776b617c550ad41b002a668336f062a9ab7be677a7409a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        base_library.zip

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017c42\base_library.zip
        • Size 1.3MB
        • SHA256 39a4b04c934b413a7a68a441c7029cd12a8714f1ae66b80f449f8feb55c7df8b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python314.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017c42\python314.dll
        • Size 6.5MB
        • SHA256 0f9857ffdfe010fe6b99328d58c2e3c7472ce75f336bf9c2ad9bd5bca3bce700
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ucrtbase.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI000017c42\ucrtbase.dll
        • Size 1.1MB
        • SHA256 c04daeba7e7c4b711d33993ab4c51a2e087f98f4211aea0dcb3a216656ba0ab7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        QtCore.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_4752_921867_VX3tIjVezLk\PySide6\QtCore.pyd
        • Size 3.2MB
        • SHA256 be52341a5df1f76ecca2fb1e94eb429dfa46f0b659ed6536f25119b565b21ea8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ctypes.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_4752_921867_VX3tIjVezLk\_ctypes.pyd
        • Size 139KB
        • SHA256 408cc4e7a22ffa418ca52f5e13fe9268a3c50a2bc9de02b0530b555ef591bc5a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _hashlib.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_4752_921867_VX3tIjVezLk\_hashlib.pyd
        • Size 67KB
        • SHA256 5933ef5eda7c0bca0b3874a6e2c5f13b91b8f2cfc29bc46160df3212a1dbee79
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _queue.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_4752_921867_VX3tIjVezLk\_queue.pyd
        • Size 35KB
        • SHA256 2fd8668f52b34d0e71ae48784bd2e7d35e5d99df6f641edb0fc279235a187c8e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _socket.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_4752_921867_VX3tIjVezLk\_socket.pyd
        • Size 85KB
        • SHA256 02265dd0d0287f3ffd287ea5d8e3c918a5a056e8ef2c4529857f5e84ec9e2519
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ssl.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_4752_921867_VX3tIjVezLk\_ssl.pyd
        • Size 186KB
        • SHA256 4cfb154c7cc525d57020c0e64f2dd876a78b46cd38419446392478de6b7b13b8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ada92cb5d92a588d1b93__mypyc.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_4752_921867_VX3tIjVezLk\ada92cb5d92a588d1b93__mypyc.pyd
        • Size 218KB
        • SHA256 3048af5864e17f79410273b3074416d67473eae22b3d7d1b7b58f24a506f82ed
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cd.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_4752_921867_VX3tIjVezLk\charset_normalizer\cd.pyd
        • Size 10KB
        • SHA256 032b490f6b42a0928b3cb6e17fd4caf8a6becaaf05739c4fe41267dcf890c278
        • MD5 SHA1 SHA512 SSDEEP TLSH

        dupermm2.dll

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_4752_921867_VX3tIjVezLk\dupermm2.dll
        • Size 18.1MB
        • SHA256 64296fe98ec4f09f7cf1f0ba5e1dc9246294c1c4e2354c9d38f21acddc12c3fd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libcrypto-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_4752_921867_VX3tIjVezLk\libcrypto-3.dll
        • Size 6.0MB
        • SHA256 53c529145339fb042a3dcd3a09c2d7753204f8b4fc79d99e0d31e69a33985958
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libffi-8.dll

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_4752_921867_VX3tIjVezLk\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libssl-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_4752_921867_VX3tIjVezLk\libssl-3.dll
        • Size 1.3MB
        • SHA256 b17a87979862d19241edc4318f967e24c3ec356ed6c2368f561179fab2311001
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_4752_921867_VX3tIjVezLk\python3.dll
        • Size 72KB
        • SHA256 6c45910e7c82617ca6360820de861699cc99f9efee434df290aa4c6e38f39886
        • MD5 SHA1 SHA512 SSDEEP TLSH

        select.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_4752_921867_VX3tIjVezLk\select.pyd
        • Size 32KB
        • SHA256 722328e7fad8048057fc966474ba73966d2ceebaa32e7344cce09640ab4dc9bd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        shiboken6.abi3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_4752_921867_VX3tIjVezLk\shiboken6.abi3.dll
        • Size 375KB
        • SHA256 47f4f9b44c95037565dd14f4be04f350f20c53c05483b750e0be867c39a7441e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Shiboken.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_4752_921867_VX3tIjVezLk\shiboken6\Shiboken.pyd
        • Size 32KB
        • SHA256 0e2c5318c5ac60a016a12230bbb1f6a9d990c45cbf4a7c4af24aefb5ab7dc40a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msvcp140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_4752_921867_VX3tIjVezLk\shiboken6\msvcp140.dll
        • Size 536KB
        • SHA256 005f2324c7ff79bbe9a44992b0708abb4c871bd24bcc7a34aca5eab4439c1f4a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        unicodedata.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_4752_921867_VX3tIjVezLk\unicodedata.pyd
        • Size 741KB
        • SHA256 280b09bd97b598d18c0ed9542dc18ed35fa57a16e84f8e65fd9c6e96516c28d6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vcruntime140_1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\onefile_4752_921867_VX3tIjVezLk\vcruntime140_1.dll
        • Size 48KB
        • SHA256 a7146c08f89fe5b04541ab507cdb59ff7b44534d4ba3c668a426c6450a03434e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        core_engine.exe

        • Path C:\Users\Admin\AppData\Local\Temp\shield_qs_zal7a\core_engine.exe
        • Size 27.7MB
        • SHA256 9b555a87ae45f2400ff9c2659e7708acb50b80eaa09879eb34281dad8c992465
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/628-193-0x00007FFF4F080000-0x00007FFF4F3B3000-memory.dmp

        memory/628-194-0x00007FFF4C1E0000-0x00007FFF4C699000-memory.dmp

        memory/628-195-0x00007FFF4AE90000-0x00007FFF4B24B000-memory.dmp