Analysis

  • geolocation tags

    asiadelhiinindia
  • user interaction
    yes
  • max time kernel
    899s
  • max time network
    396s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    17/08/2026, 00:09

General

  • Target
    Quasar/Quasar/Quasar.exe
  • Size 31.1MB
  • Sample260817-afnpvszdpc
  • SHA256 11fc1889453aeeb7b7253a605d73402c9c82c0c9e18132813a247bf9289a925e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 31 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Executes a command shell one-liner 1 TTPs 2 IoCs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Quasar\Quasar\Quasar.exe
    "C:\Users\Admin\AppData\Local\Temp\Quasar\Quasar\Quasar.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1876
    • C:\Users\Admin\AppData\Local\Temp\Quasar\Quasar\Quasar.exe
      "C:\Users\Admin\AppData\Local\Temp\Quasar\Quasar\Quasar.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3100
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c title Quasar
        3⤵
        • Executes a command shell one-liner
        PID:2452
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c cls
        3⤵
        • Executes a command shell one-liner
        PID:3264

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        81d243bd2c585b0f4821__mypyc.cp314-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\81d243bd2c585b0f4821__mypyc.cp314-win_amd64.pyd
        • Size 211KB
        • SHA256 ab64835b63093c31975df2692756c8008e7ec190e4aa86f15a713bcc62e1d432
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140_1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\VCRUNTIME140_1.dll
        • Size 48KB
        • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _asyncio.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\_asyncio.pyd
        • Size 76KB
        • SHA256 cc27a21453b309197030b5fa8051a8a9c89aec79f9b81ee4ea2a2551ac0f912f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _bz2.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\_bz2.pyd
        • Size 86KB
        • SHA256 ef5277eb670219274e7d1e92190ddf7f4bb94d4922ca1c1a12efadfd2c4c66f6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ctypes.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\_ctypes.pyd
        • Size 139KB
        • SHA256 fd4847b99cd504a66bdc4739f15181b562774e6736bb88775880b073276dede1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _decimal.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\_decimal.pyd
        • Size 283KB
        • SHA256 1ee2247153ec6c6e5b3b49402f294b2b7325385ad489a5522e6fa9b406575e8b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _elementtree.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\_elementtree.pyd
        • Size 135KB
        • SHA256 1f8259cc74aed52e4cd2de6cb1b54bec8b1725a84760c1c5b30ded49f652824a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _hashlib.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\_hashlib.pyd
        • Size 67KB
        • SHA256 9bc6ffcd2ab4ac87c4035f18b432e888d0d4a36795c97bf3f28ddf32cc34e40f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _lzma.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\_lzma.pyd
        • Size 157KB
        • SHA256 39e5bc3624a26c9f6ad2e2df412543b0bd697a1d75338b44fe99763358d6d8cb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _multiprocessing.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\_multiprocessing.pyd
        • Size 37KB
        • SHA256 a8c15ee29f60536e00fd7c26c0315e062c4f018e2e46e7f6eb65c1fed0d886a4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _overlapped.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\_overlapped.pyd
        • Size 56KB
        • SHA256 0e8b684fdcc8c6de88bd4b92b6ed44a6fd917949c98b0691285e0cf6c760dc36
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _queue.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\_queue.pyd
        • Size 35KB
        • SHA256 acf60e246f6a83a914fb6c411f04bd3eb8bba83070612ca44af99d74f06c5524
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _socket.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\_socket.pyd
        • Size 85KB
        • SHA256 65caaa6f35c329d901ba3f3d9f7fc4d7443dcde89907dccbd6748786cc517476
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _ssl.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\_ssl.pyd
        • Size 180KB
        • SHA256 12e31f50739e33b115c7e10febf1ccedeb5d9353cd539c608cc5dd164bee17a7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _uuid.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\_uuid.pyd
        • Size 27KB
        • SHA256 635d6c46bbf6b86dd30a802bd1c6e214dabccb44d1452c52f0b557ae5bcc6f68
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _wmi.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\_wmi.pyd
        • Size 39KB
        • SHA256 6fb2c6316628664319b2abcf961f0cbbac809966a65b653c86e7864ad8701496
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _zstd.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\_zstd.pyd
        • Size 491KB
        • SHA256 54e6acfbc1cb27c9afea0e133cadac68b89869ff1a14eb0c678d40eb9c655347
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _http_parser.cp314-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\aiohttp\_http_parser.cp314-win_amd64.pyd
        • Size 254KB
        • SHA256 8b93038b433138de8e7ee651054cb7012a5041c0bbf88501ef1ba926dafca7f1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _http_writer.cp314-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\aiohttp\_http_writer.cp314-win_amd64.pyd
        • Size 45KB
        • SHA256 512839bfd920e06daf2ffcd71f961dc3a928e4982c92efdc8b72368de41714a3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mask.cp314-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\aiohttp\_websocket\mask.cp314-win_amd64.pyd
        • Size 36KB
        • SHA256 c6bbab9ff56e330e95a4ce55358d679f93c19a99be0905e88fc756a80c977906
        • MD5 SHA1 SHA512 SSDEEP TLSH

        reader_c.cp314-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\aiohttp\_websocket\reader_c.cp314-win_amd64.pyd
        • Size 142KB
        • SHA256 2b8b334a7f07a09661b35a5e20151d909479e8a8422c97895b1e4ffa9449f02a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        base_library.zip

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\base_library.zip
        • Size 1.3MB
        • SHA256 526e7b4c9b47bfdc9422abaf5a8561eb3c89e1a83eb0462ebc50a1a1023824d3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _frozenlist.cp314-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\frozenlist\_frozenlist.cp314-win_amd64.pyd
        • Size 68KB
        • SHA256 054e5d97884e8d833528aa3a98868204a3ec46cabb6a656e72432634d117880a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libcrypto-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\libcrypto-3.dll
        • Size 5.0MB
        • SHA256 8b27ebae75cc99f20075322446af36c9ffcb4e3b400a77d712ef43f007f47f7d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libffi-8.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libssl-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\libssl-3.dll
        • Size 776KB
        • SHA256 56dd50fb903b860ace831d0cd6c6250cd57e8655867c3a0fa16eac2d4cc0ba0b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _multidict.cp314-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\multidict\_multidict.cp314-win_amd64.pyd
        • Size 75KB
        • SHA256 258d185776cf6b35c244cd134cdda9405f74de222c927d0bdbb9fd6d926ae5ce
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _helpers_c.cp314-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\propcache\_helpers_c.cp314-win_amd64.pyd
        • Size 61KB
        • SHA256 041d0de31e32d1a248b93ba8b4b232a8562cea142b59f2da0fc8cbb5de7698e3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pyexpat.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\pyexpat.pyd
        • Size 214KB
        • SHA256 9349be352300fef4b16da0574c670b174d75094574ab51f3d385767d1e3dfc0d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python3.DLL

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\python3.DLL
        • Size 72KB
        • SHA256 f3d0cd260a46a9617a8b1d4d5e8703278478c22a910165bffb4e4ddf6562d93f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        python314.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\python314.dll
        • Size 6.5MB
        • SHA256 18310593c50ad109fc5c95db1fd5c92ecec9e1bfc66c976df9fc11dd62616d5a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        select.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\select.pyd
        • Size 32KB
        • SHA256 8c3ee20776d8eb7c441f2006ed46b9ba932060c6b66df4c1e156dcf7738d56ce
        • MD5 SHA1 SHA512 SSDEEP TLSH

        unicodedata.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\unicodedata.pyd
        • Size 740KB
        • SHA256 a7a2bfeed5d0480d8c458b3a61ee32c478ae10c694e8be61c3ba0e8cc2a6e1c6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _quoting_c.cp314-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI18762\yarl\_quoting_c.cp314-win_amd64.pyd
        • Size 83KB
        • SHA256 d394097355610b57b243b4353fa73d5d888a82378d7af9a608c41883bb719cb2
        • MD5 SHA1 SHA512 SSDEEP TLSH