Analysis

  • max time kernel
    40s
  • max time network
    24s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    11/10/2026, 23:28

General

  • Target
    JDownloader2Setup_windows-amd64_v1_8_0_504.exe
  • Size 29.3MB
  • Sample261011-3f9ljsbc52
  • SHA256 969390c40fd27ea5db09b18df2f7d6c22d3b109a09ed55592637350dbc7eedc8
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
4/10

Malware Config

Signatures

  • Drops file in Program Files directory 2 IoCs
  • Executes dropped EXE 19 IoCs
  • Loads dropped DLL 43 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JDownloader2Setup_windows-amd64_v1_8_0_504.exe
    "C:\Users\Admin\AppData\Local\Temp\JDownloader2Setup_windows-amd64_v1_8_0_504.exe"
    1⤵
    • Drops file in Program Files directory
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1936
    • C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\bin\unpack200.exe
      -r "jre\lib\charsets.jar.pack" "jre\lib\charsets.jar"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2072
    • C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\bin\unpack200.exe
      -r "jre\lib\jce.jar.pack" "jre\lib\jce.jar"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:5704
    • C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\bin\unpack200.exe
      -r "jre\lib\jfr.jar.pack" "jre\lib\jfr.jar"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:3052
    • C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\bin\unpack200.exe
      -r "jre\lib\jsse.jar.pack" "jre\lib\jsse.jar"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:3400
    • C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\bin\unpack200.exe
      -r "jre\lib\management-agent.jar.pack" "jre\lib\management-agent.jar"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:4456
    • C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\bin\unpack200.exe
      -r "jre\lib\resources.jar.pack" "jre\lib\resources.jar"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:5644
    • C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\bin\unpack200.exe
      -r "jre\lib\rt.jar.pack" "jre\lib\rt.jar"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2920
    • C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\bin\unpack200.exe
      -r "jre\lib\ext\access-bridge-64.jar.pack" "jre\lib\ext\access-bridge-64.jar"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2340
    • C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\bin\unpack200.exe
      -r "jre\lib\ext\cldrdata.jar.pack" "jre\lib\ext\cldrdata.jar"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:5776
    • C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\bin\unpack200.exe
      -r "jre\lib\ext\dnsns.jar.pack" "jre\lib\ext\dnsns.jar"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:3172
    • C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\bin\unpack200.exe
      -r "jre\lib\ext\jaccess.jar.pack" "jre\lib\ext\jaccess.jar"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1180
    • C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\bin\unpack200.exe
      -r "jre\lib\ext\localedata.jar.pack" "jre\lib\ext\localedata.jar"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1256
    • C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\bin\unpack200.exe
      -r "jre\lib\ext\nashorn.jar.pack" "jre\lib\ext\nashorn.jar"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:3912
    • C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\bin\unpack200.exe
      -r "jre\lib\ext\sunec.jar.pack" "jre\lib\ext\sunec.jar"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1884
    • C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\bin\unpack200.exe
      -r "jre\lib\ext\sunjce_provider.jar.pack" "jre\lib\ext\sunjce_provider.jar"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:4496
    • C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\bin\unpack200.exe
      -r "jre\lib\ext\sunmscapi.jar.pack" "jre\lib\ext\sunmscapi.jar"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1484
    • C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\bin\unpack200.exe
      -r "jre\lib\ext\sunpkcs11.jar.pack" "jre\lib\ext\sunpkcs11.jar"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:4572
    • C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\bin\unpack200.exe
      -r "jre\lib\ext\zipfs.jar.pack" "jre\lib\ext\zipfs.jar"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:4084
    • \??\c:\users\admin\appdata\local\INSTAL~1\t\E4J1F9~1.TMP\jre\bin\java.exe
      "c:\users\admin\appdata\local\INSTAL~1\t\E4J1F9~1.TMP\jre\bin\java.exe" -version
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2672

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        i4j_extf_0_69g5ss.utf8

        • Path C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\i4j_extf_0_69g5ss.utf8
        • Size 37KB
        • SHA256 a7e6f5acd708ebd3dfb15914e6fa789827ad5fd865fda8c99bc0280d4447b7b9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140.dll

        • Path C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\bin\VCRUNTIME140.dll
        • Size 117KB
        • SHA256 02c6aa0e6e624411a9f19b0360a7865ab15908e26024510e5c38a9c08362c35a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        java.exe

        • Path C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\bin\java.exe
        • Size 297KB
        • SHA256 01a7bf20e2bdac1c0d75b9c9770276dbdee93e400b1908d9beb6a63102144d6d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        unpack200.exe

        • Path C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\bin\unpack200.exe
        • Size 218KB
        • SHA256 59b30c6e6340061e6c57b4bcf6172617ad08d918499fd792128aabb456e3124e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        charsets.jar.pack

        • Path C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\lib\charsets.jar.pack
        • Size 1.1MB
        • SHA256 367a2777b11aade36343bed0f2b3ea4073a8e6cc04db26fff87f0db98d90fc78
        • MD5 SHA1 SHA512 SSDEEP TLSH

        access-bridge-64.jar.pack

        • Path C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\lib\ext\access-bridge-64.jar.pack
        • Size 69KB
        • SHA256 0f55a69f7768e849b7138726a3980bfc19ee29f24b9eceb3949b0ff4c0af3d5f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        cldrdata.jar.pack

        • Path C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\lib\ext\cldrdata.jar.pack
        • Size 3.9MB
        • SHA256 dde0f5ca0393ad070b81e491f4f6d3225cf4cfcffeff89642a4ec41314ba3067
        • MD5 SHA1 SHA512 SSDEEP TLSH

        dnsns.jar.pack

        • Path C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\lib\ext\dnsns.jar.pack
        • Size 5KB
        • SHA256 6144303373f5c1c4fe354607411645a870f0b338c0b69b5c5fb7073600b21f87
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jaccess.jar.pack

        • Path C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\lib\ext\jaccess.jar.pack
        • Size 36KB
        • SHA256 87e56c0bb36727548be6b2dd6d8d03e933b42d89923c02e06a7c4b7ce098dc50
        • MD5 SHA1 SHA512 SSDEEP TLSH

        localedata.jar.pack

        • Path C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\lib\ext\localedata.jar.pack
        • Size 1.3MB
        • SHA256 be9c9c9a74eb9b4d145ddc788b484669603531f15f9e2e772ba811ad75870458
        • MD5 SHA1 SHA512 SSDEEP TLSH

        nashorn.jar.pack

        • Path C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\lib\ext\nashorn.jar.pack
        • Size 1.1MB
        • SHA256 83d20e538819f74073ae8cab764f3a9caa9084d40b70f4638b1a2271214cbf19
        • MD5 SHA1 SHA512 SSDEEP TLSH

        sunec.jar.pack

        • Path C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\lib\ext\sunec.jar.pack
        • Size 22KB
        • SHA256 4abfbf2cf8403889dc8c40db05f198d71a41226fcd8e2889485e318214d6fe86
        • MD5 SHA1 SHA512 SSDEEP TLSH

        sunjce_provider.jar.pack

        • Path C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\lib\ext\sunjce_provider.jar.pack
        • Size 158KB
        • SHA256 0fd45250aaa394abb63805352599aa0fc99be09b4e93645e56df82f7c2140666
        • MD5 SHA1 SHA512 SSDEEP TLSH

        sunmscapi.jar.pack

        • Path C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\lib\ext\sunmscapi.jar.pack
        • Size 23KB
        • SHA256 4a639279b4ec429770657c8eee1d71dc1dcc1161f54ad3c1f64512b71de2e952
        • MD5 SHA1 SHA512 SSDEEP TLSH

        sunpkcs11.jar.pack

        • Path C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\lib\ext\sunpkcs11.jar.pack
        • Size 168KB
        • SHA256 85c153f117fec98c6910665a1da732ab83283d4a3ed881928330f3948339c21f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        zipfs.jar.pack

        • Path C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\lib\ext\zipfs.jar.pack
        • Size 47KB
        • SHA256 d8ff2e9d8cac753b45c315e6be87eb120949df52f0c0c14df0f82feabd3439eb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        win32_MoveNoDrop32x32.gif

        • Path C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\lib\images\cursors\win32_MoveNoDrop32x32.gif
        • Size 153B
        • SHA256 1a1d3079d49583837662b84e11d8c0870698511d9110e710eb8e7eb20df7ae3b
        • MD5 SHA1 SHA512 TLSH

        jce.jar.pack

        • Path C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\lib\jce.jar.pack
        • Size 50KB
        • SHA256 c2f389e63ba493c600028384b2309f61508abd36087dc2076910fbbae234d270
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jfr.jar.pack

        • Path C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\lib\jfr.jar.pack
        • Size 273KB
        • SHA256 2425df227e4fd27f72195bcb5aebd3f8e6215110d1df505445f4042396ea2848
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jsse.jar.pack

        • Path C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\lib\jsse.jar.pack
        • Size 372KB
        • SHA256 ad46d14b5ea28fa064e8b5f8413c986141d79fba52a45dfd6e575d70250a5598
        • MD5 SHA1 SHA512 SSDEEP TLSH

        management-agent.jar.pack

        • Path C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\lib\management-agent.jar.pack
        • Size 195B
        • SHA256 bc0d8e4884628b4bd86ee55e373f6fb5b1e7253b1dee4291d7f09d1004ad2e92
        • MD5 SHA1 SHA512 TLSH

        resources.jar.pack

        • Path C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\lib\resources.jar.pack
        • Size 3.2MB
        • SHA256 6026e002329c7cad8a75070a4af96605378e07ca64af22c0a7f21af51164a12e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rt.jar.pack

        • Path C:\Users\Admin\AppData\Local\install4j\t\e4j1F94.tmp_dir1791761411\jre\lib\rt.jar.pack
        • Size 15.8MB
        • SHA256 63f3560173cd6fcdfa75fcb30f9921c422a1293971060a3ebe85037d68e4f960
        • MD5 SHA1 SHA512 SSDEEP TLSH

        java.dll

        • Path \??\c:\users\admin\appdata\local\INSTAL~1\t\E4J1F9~1.TMP\jre\bin\java.dll
        • Size 163KB
        • SHA256 3b3cd5eb0843b484bc38dc5ce3847ddddcbac293e98a8e29d17d72f0edeb3859
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msvcp140.dll

        • Path \??\c:\users\admin\appdata\local\INSTAL~1\t\E4J1F9~1.TMP\jre\bin\msvcp140.dll
        • Size 561KB
        • SHA256 a4c2229bdc2a2a630acdc095b4d86008e5c3e3bc7773174354f3da4f5beb9cde
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jvm.dll

        • Path \??\c:\users\admin\appdata\local\INSTAL~1\t\E4J1F9~1.TMP\jre\bin\server\jvm.dll
        • Size 8.4MB
        • SHA256 d3f1564b31a25f280d633d33234bdf88fd12dbe0ae34e15e2e89db3f0ca2d407
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vcruntime140_1.dll

        • Path \??\c:\users\admin\appdata\local\INSTAL~1\t\E4J1F9~1.TMP\jre\bin\vcruntime140_1.dll
        • Size 48KB
        • SHA256 7dd9aa02e271c68ca6d5f18d651d23a15d7259715af43326578f7dde27f37637
        • MD5 SHA1 SHA512 SSDEEP TLSH

        jvm.cfg

        • Path \??\c:\users\admin\appdata\local\INSTAL~1\t\E4J1F9~1.TMP\jre\lib\amd64\jvm.cfg
        • Size 1KB
        • SHA256 23f728cc2bf14e62d454190ea0139f159031b5bd9c3f141ca9237c4c5c96ec1d
        • MD5 SHA1 SHA512 TLSH

        memory/1936-309-0x00000281F5BE0000-0x00000281F5BE1000-memory.dmp

        memory/1936-335-0x00000281F5BE0000-0x00000281F5BE1000-memory.dmp

        memory/1936-399-0x00000281F5BE0000-0x00000281F5BE1000-memory.dmp

        memory/1936-418-0x00000281F5BE0000-0x00000281F5BE1000-memory.dmp

        memory/1936-427-0x00000281F5BE0000-0x00000281F5BE1000-memory.dmp

        memory/2672-292-0x0000014936BD0000-0x0000014936BD1000-memory.dmp