Overview

overview

7

Static

static

3

Cwelium.exe

windows11-21h2-x64

7

Analysis

  • user interaction
    yes
  • max time kernel
    21s
  • max time network
    14s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    02/08/2026, 14:49

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General

  • Target
    Cwelium.exe
  • Size 14.8MB
  • Sample260802-r7a2hsvgla
  • SHA256 ca0fa629eea979ce178ea6a3daa24195d9fa67fd36f0cd2b82e8ac2e6e838a88
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 26 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.

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Cwelium.exe
    "C:\Users\Admin\AppData\Local\Temp\Cwelium.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2928
    • C:\Users\Admin\AppData\Local\Temp\Cwelium.exe
      C:\Users\Admin\AppData\Local\Temp\Cwelium.exe
      2⤵
      • Loads dropped DLL
      PID:2788

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        Cwelium.dll
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\Cwelium.dll
        • Size 38.2MB
        • SHA256 475f3fdfb8075909ae2749978edab6466371523353eb1ec5804eb5c5ebb3c040
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        VCRUNTIME140.dll
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _asyncio.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\_asyncio.pyd
        • Size 71KB
        • SHA256 a39fd4fb66de434321843b3c7775f22ec3bf75eb56bec8555d2b30e927a21997
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _bz2.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\_bz2.pyd
        • Size 84KB
        • SHA256 b4aa26c44a529de7129733a31b73fd74e474b9069edf02d3151d067ac5d52a5c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _cffi_backend.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\_cffi_backend.pyd
        • Size 176KB
        • SHA256 91a8b18110a0ca95026e77b27bcaa3bcab6ecafbd22580c4fc29eac2e6e744e6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _ctypes.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\_ctypes.pyd
        • Size 131KB
        • SHA256 69ccbfa336004742c18fba4a2d0d24aba5f5e1578983278137788166ea322a22
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _hashlib.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\_hashlib.pyd
        • Size 67KB
        • SHA256 1ca43d7db5e5b3d8066038ff452b09c1dd525022ad5c4447be94345705caadc8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _lzma.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\_lzma.pyd
        • Size 155KB
        • SHA256 71387e8484088f8291664312d985f42454017e1f556bd4107e2d065f19a799ec
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _overlapped.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\_overlapped.pyd
        • Size 56KB
        • SHA256 4df270d8693d16f34188f98b66b02d18a57bcc703339163d3f0570149caadd3f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _queue.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\_queue.pyd
        • Size 34KB
        • SHA256 f1be4ad7af2810ca957ce1bb6122ac821bb284633bdabc872e12e699f5067269
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _socket.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\_socket.pyd
        • Size 84KB
        • SHA256 6050e57e93872e3cd86daeca9594362ad256a9bbe00e0549fa5988a9b43c90e3
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _ssl.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\_ssl.pyd
        • Size 177KB
        • SHA256 5f113a6b4cc933646ef69aa233da278bd311f7f04135a8ea6e1514944af3f851
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _uuid.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\_uuid.pyd
        • Size 27KB
        • SHA256 5a69ec3bc4b082b03f84fdad1d9a67d00575c5b23fdd3776607e4653376611cb
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _zoneinfo.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\_zoneinfo.pyd
        • Size 49KB
        • SHA256 645290b5aedb1d4cda16b6b239b3e91e6d77155c2df0da021b9be5588ccc4d64
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        cacert.pem
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\certifi\cacert.pem
        • Size 234KB
        • SHA256 9cc2a774b5198dcff14d9be1e66091f538975d867ce029a96bce15a55dfd730f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _wrapper.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\curl_cffi\_wrapper.pyd
        • Size 3.1MB
        • SHA256 f640dce86563f9814a11c5452cb84eef85c58243eab37d6ccb9672a966148112
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libcrypto-3.dll
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\libcrypto-3.dll
        • Size 5.0MB
        • SHA256 e03dd02fdcfb791981c9962827cfcf495f2a47a514c1526efb57f847a9df514a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libffi-8.dll
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libssl-3.dll
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\libssl-3.dll
        • Size 776KB
        • SHA256 1e4bc0638682bfcbb36f4465d6a2e9944d917a60f05ecc8ddf9e96847e05e13f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        orjson.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\orjson\orjson.pyd
        • Size 218KB
        • SHA256 ead891b62fbbbc3422ddbc953c9a409a3c00da85eac2d5c42948e7786ae19425
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        python3.dll
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\python3.dll
        • Size 70KB
        • SHA256 f950ce3bf381d5ffae90cf63ec9c9761f1666d9a570e2f203a7f22da6f8e14f3
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        python313.dll
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\python313.dll
        • Size 5.8MB
        • SHA256 e7119fc5892eab890d44f6df05f44d50cf8c390c35d152e589e0c35781ca8d05
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        select.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\select.pyd
        • Size 32KB
        • SHA256 0dc63cb35f1776d732cb3fbbbdd9e5912b29a98465d3927a8162e8475c0f6809
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Banjul
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\tzdata\zoneinfo\Africa\Banjul
        • Size 130B
        • SHA256 f3e7fcaa0e9840ff4169d3567d8fb5926644848f4963d7acf92320843c5d486e
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        Djibouti
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\tzdata\zoneinfo\Africa\Djibouti
        • Size 191B
        • SHA256 0783854f52c33ada6b6d2a5d867662f0ae8e15238d2fce7b9ada4f4d319eb466
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        Kigali
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\tzdata\zoneinfo\Africa\Kigali
        • Size 131B
        • SHA256 910c97c091cd34ae7427c83226234ce7b4f2f425c5822d6669c24be62010a792
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        Lagos
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\tzdata\zoneinfo\Africa\Lagos
        • Size 180B
        • SHA256 e5ef1288571cc56c5276ca966e1c8a675c6747726d758ecafe7effce6eca7be4
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        Curacao
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\tzdata\zoneinfo\America\Curacao
        • Size 177B
        • SHA256 abbe8628dd5487c889db816ce3a5077bbb47f6bafafeb9411d92d6ef2f70ce8d
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        Panama
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\tzdata\zoneinfo\America\Panama
        • Size 149B
        • SHA256 a78d73067ba3cbd94f8a23dfdd6aa8b68cb33b18484bc17b4e20ea1aec2f0a81
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        Toronto
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\tzdata\zoneinfo\America\Toronto
        • Size 1KB
        • SHA256 815ab4db7a1b1292867d2f924b718e1bba32455ce9f92205db2feb65029c6761
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        Shanghai
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\tzdata\zoneinfo\Asia\Shanghai
        • Size 393B
        • SHA256 bf8b7ed82fe6e63e6d98f8cea934eeac901cd16aba85eb5755ce3f8b4289ea8a
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        UCT
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\tzdata\zoneinfo\Etc\UCT
        • Size 111B
        • SHA256 fddce1e648a1732ac29afd9a16151b2973cdf082e7ec0c690f7e42be6b598b93
        • MD5 SHA1 SHA512
        Submit Download

        Isle_of_Man
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\tzdata\zoneinfo\Europe\Isle_of_Man
        • Size 1KB
        • SHA256 676541f0b8ad457c744c093f807589adcad909e3fd03f901787d08786eedbd33
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        Luxembourg
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\tzdata\zoneinfo\Europe\Luxembourg
        • Size 1KB
        • SHA256 b10f9542a8509f0a63ebca78e3d80432dd86b8ea296400280febd9cfa76e8288
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        Oslo
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\tzdata\zoneinfo\Europe\Oslo
        • Size 705B
        • SHA256 a7fd9932d785d4d690900b834c3563c1810c1cf2e01711bcc0926af6c0767cb7
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        Skopje
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\tzdata\zoneinfo\Europe\Skopje
        • Size 478B
        • SHA256 a8c964f3eaa7a209d9a650fb16c68c003e9a5fc62ffbbb10fa849d54fb3662d6
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        Greenwich
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\tzdata\zoneinfo\Greenwich
        • Size 111B
        • SHA256 dc4a07571b10884e4f4f3450c9d1a1cbf4c03ef53d06ed2e4ea152d9eba5d5d7
        • MD5 SHA1 SHA512
        Submit Download

        Wallis
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\tzdata\zoneinfo\Pacific\Wallis
        • Size 134B
        • SHA256 09035620bd831697a3e9072f82de34cfca5e912d50c8da547739aa2f28fb6d8e
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        Yap
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\tzdata\zoneinfo\Pacific\Yap
        • Size 154B
        • SHA256 683001055b6ef9dc9d88734e0eddd1782f1c3643b7c13a75e9cf8e9052006e19
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        Mountain
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\tzdata\zoneinfo\US\Mountain
        • Size 1KB
        • SHA256 9bb703920eca4b6119e81a105583a4f6ca220651f13b418479ab7cd56c413f3e
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        unicodedata.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2928_420709_ccFEpe_ZZrc\unicodedata.pyd
        • Size 695KB
        • SHA256 2b8c8d837e2968751a581e1c6e91447b0db672c2a1496362942df654afddc11d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2788-685-0x00000280346B0000-0x0000028036D96000-memory.dmp
        Download