Analysis

  • max time kernel
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    22/05/2026, 13:06

General

  • Target
    9d7e6d26d85c06bd79fb1af75dc440141e53913acf0e9ef75b004279ca485e79.exe
  • Size 2.2MB
  • Sample260522-qb76pset3x
  • SHA256 9d7e6d26d85c06bd79fb1af75dc440141e53913acf0e9ef75b004279ca485e79
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 25 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 26 IoCs
  • Drops file in Windows directory 56 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9d7e6d26d85c06bd79fb1af75dc440141e53913acf0e9ef75b004279ca485e79.exe
    "C:\Users\Admin\AppData\Local\Temp\9d7e6d26d85c06bd79fb1af75dc440141e53913acf0e9ef75b004279ca485e79.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:492
    • C:\Users\Admin\AppData\Local\Temp\pftFB4A~tmp\Disk1\Setup.exe
      "C:\Users\Admin\AppData\Local\Temp\pftFB4A~tmp\Disk1\Setup.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2680
      • C:\Program Files (x86)\Common Files\InstallShield\Engine\6\Intel 32\IKernel.exe
        "C:\Program Files (x86)\Common Files\InstallShield\Engine\6\Intel 32\IKernel.exe" -RegServer
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        PID:4236
  • C:\PROGRA~2\COMMON~1\INSTAL~1\Engine\6\INTEL3~1\IKernel.exe
    C:\PROGRA~2\COMMON~1\INSTAL~1\Engine\6\INTEL3~1\IKernel.exe -Embedding
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:740
    • C:\Program Files (x86)\Common Files\InstallShield\engine\6\Intel 32\iKernel.exe
      "C:\Program Files (x86)\Common Files\InstallShield\engine\6\Intel 32\iKernel.exe" /REGSERVER
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:1096
    • C:\atcliun.exe
      \atcliun.exe /r
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4232
    • C:\Windows\Downloaded Program Files\atauthor.exe
      "C:\Windows\Downloaded Program Files\atauthor.exe" /pq
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:4540

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        corecomp.ini

        • Path C:\PROGRA~2\COMMON~1\INSTAL~1\Engine\6\INTEL3~1\corecomp.ini
        • Size 27KB
        • SHA256 5214789c08ee573e904990dcd29e9e03aaf5cf12e86fae368005fd8f4e371bd5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        IKernel.exe

        • Path C:\Program Files (x86)\Common Files\InstallShield\Engine\6\Intel 32\IKernel.exe
        • Size 596KB
        • SHA256 4535320c5b9596a6210109f68c647dbdbd0289ba63286fd389dea910855491f1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ctor.dll

        • Path C:\Program Files (x86)\Common Files\InstallShield\Engine\6\Intel 32\ctor.dll
        • Size 76KB
        • SHA256 d782f199904c0f49f5c910b0d823aa32374d9fd7b4adb275da837d31397c3ac7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        iuser.dll

        • Path C:\Program Files (x86)\Common Files\InstallShield\Engine\6\Intel 32\iuser.dll
        • Size 172KB
        • SHA256 78974c6778727b1505358a1eeb8a84b5cf6e551ea64050a3db49bf13efb1f9d2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        objectps.dll

        • Path C:\Program Files (x86)\Common Files\InstallShield\Engine\6\Intel 32\objectps.dll
        • Size 32KB
        • SHA256 eef56cfd5fcc7457af58e0fcc38ab41d7a727b696ffab1a6e74e7bfbbb1cb2b9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        iscript.dll

        • Path C:\Program Files (x86)\Common Files\InstallShield\IScript\iscript.dll
        • Size 220KB
        • SHA256 14756e98ceb1188ccb84837de04975724cc3e7ffd13bf8d7134adb5c201bf830
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Setup.ini

        • Path C:\Program Files (x86)\InstallShield Installation Information\{ADAC07AF-85F3-11D5-BEB0-0050DABA03B8}\Setup.ini
        • Size 142B
        • SHA256 bbc6257b09a6dda3b770ac75c0e06e1e0ef1973a0bb88bac98bf03d85f08ceca
        • MD5 SHA1 SHA512 TLSH

        IKernel.ex_

        • Path C:\Users\Admin\AppData\Local\Temp\pftFB4A~tmp\Disk1\IKernel.ex_
        • Size 336KB
        • SHA256 4eb9a6a4c0b1147290c74d2160533e49e043335255be9a60b6c83638d83e5590
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Setup.exe

        • Path C:\Users\Admin\AppData\Local\Temp\pftFB4A~tmp\Disk1\Setup.exe
        • Size 53KB
        • SHA256 b6ccb202d86457955f980237d2e4d6033b369c2497154414daf349926309cd4d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        atas32.dll

        • Path C:\Users\Admin\AppData\Local\Temp\pftFB4A~tmp\Disk1\atas32.dll
        • Size 130KB
        • SHA256 6ca423f35dac9eeb7e28259db83490288fed65667123cc11a0a1ea3ec7f0cb3e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ataudio.dll

        • Path C:\Users\Admin\AppData\Local\Temp\pftFB4A~tmp\Disk1\ataudio.dll
        • Size 177KB
        • SHA256 b20309080d421e7e7557bab92d39d390e3c2ea1182dd21e7f943138738479cba
        • MD5 SHA1 SHA512 SSDEEP TLSH

        atnetext.dll

        • Path C:\Users\Admin\AppData\Local\Temp\pftFB4A~tmp\Disk1\atnetext.dll
        • Size 51KB
        • SHA256 0d3ed69571f38113ba8fb3af37f178ccfa5b90355cfdadd0e3769bcfd776824b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        atrecply.dll

        • Path C:\Users\Admin\AppData\Local\Temp\pftFB4A~tmp\Disk1\atrecply.dll
        • Size 176KB
        • SHA256 a7d3950623a49e7177b23c307c6cb28bb9c23abb937b289701d88532134ca0fc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        atresgb.dll

        • Path C:\Users\Admin\AppData\Local\Temp\pftFB4A~tmp\Disk1\atresgb.dll
        • Size 519KB
        • SHA256 ca280850f41d48a6e3fcbce88fd824bbe68d3f539259b2e1df00322b31a71f3f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        data1.cab

        • Path C:\Users\Admin\AppData\Local\Temp\pftFB4A~tmp\Disk1\data1.cab
        • Size 492KB
        • SHA256 578785a0d7700a9268d22e24fa2a813db044a4a13c3f2bf314ada18b76580d71
        • MD5 SHA1 SHA512 SSDEEP TLSH

        gpc95.ini

        • Path C:\Users\Admin\AppData\Local\Temp\pftFB4A~tmp\Disk1\gpc95.ini
        • Size 1KB
        • SHA256 28cfcdee82370db5bde08ede1dfca5d862d5ecad5e4c10b745284baf75d01cc5
        • MD5 SHA1 SHA512 TLSH

        layout.bin

        • Path C:\Users\Admin\AppData\Local\Temp\pftFB4A~tmp\Disk1\layout.bin
        • Size 417B
        • SHA256 e1e784fca5703cc4ea5f3344a991c12151269760227f574ad470463457240b2e
        • MD5 SHA1 SHA512 TLSH

        setup.ini

        • Path C:\Users\Admin\AppData\Local\Temp\pftFB4A~tmp\Disk1\setup.ini
        • Size 114B
        • SHA256 9a6d0e424807dd75db6d802f3b6b87fa944e8552ae9234b1c9b488df9438e50f
        • MD5 SHA1 SHA512 TLSH

        setup.inx

        • Path C:\Users\Admin\AppData\Local\Temp\pftFB4A~tmp\Disk1\setup.inx
        • Size 154KB
        • SHA256 ae3b873c4325ea1cae5d2ff7d61ba9ae305a5c2cc22ed242eb94b873061b1c82
        • MD5 SHA1 SHA512 SSDEEP TLSH

        pftw1.pkg

        • Path C:\Users\Admin\AppData\Local\Temp\pftFB4A~tmp\pftw1.pkg
        • Size 2.0MB
        • SHA256 b75e0d952b0e395aec66531925f0ef1ee293cfbde360a24adb6e274bc81b61bf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        plfFA8C.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\plfFA8C.tmp
        • Size 4KB
        • SHA256 379addfc2e4a0309ec0526507d564fc79eeb6635963c0e84f10cb8b103036c54
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ClientCfg.dll

        • Path C:\Users\Admin\AppData\Local\Temp\{ADAC07AF-85F3-11D5-BEB0-0050DABA03B8}\ClientCfg.dll
        • Size 152KB
        • SHA256 20c8da549f3d85d392d0baba8c97c243e4209e40243f42b7e0a5e3065f783d9a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _IsRes.dll

        • Path C:\Users\Admin\AppData\Local\Temp\{ADAC07AF-85F3-11D5-BEB0-0050DABA03B8}\_IsRes.dll
        • Size 212KB
        • SHA256 0888d2a696ca222ebc35641502548e5b79b55c9f7c094466a1a52d9d4d429a64
        • MD5 SHA1 SHA512 SSDEEP TLSH

        install.ini

        • Path C:\Users\Admin\AppData\Local\Temp\{ADAC07AF-85F3-11D5-BEB0-0050DABA03B8}\install.ini
        • Size 295B
        • SHA256 f3a0e256addefafe32b8aeaa8e3e9928066eeb5e879f4bb675028262f036faea
        • MD5 SHA1 SHA512 TLSH

        isrt.dll

        • Path C:\Users\Admin\AppData\Local\Temp\{ADAC07AF-85F3-11D5-BEB0-0050DABA03B8}\isrt.dll
        • Size 316KB
        • SHA256 7f852b5ee852ae2870d63db4d9cac454e08e93104d18bf5c9efc068d85c35147
        • MD5 SHA1 SHA512 SSDEEP TLSH

        atcliun.exe

        • Path C:\Windows\Downloaded Program Files\Other\atcliun.exe
        • Size 206KB
        • SHA256 78237d9cb7df3519244a49090d16061e59667f884af911389c56fe7b261ebf28
        • MD5 SHA1 SHA512 SSDEEP TLSH

        atgpcdec.dll

        • Path C:\Windows\Downloaded Program Files\Other\atgpcdec.dll
        • Size 13KB
        • SHA256 3dabfd7c1a853b8e539ab76564ccf931fc722a7747a270908600842abab4af5f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        atgpcext.dll

        • Path C:\Windows\Downloaded Program Files\Other\atgpcext.dll
        • Size 84KB
        • SHA256 1dbbb83384a4500471d51b6c1297b1326a6250f0e0186a2358acd41ccbc9cdbb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ieatgpc.inf

        • Path C:\Windows\Downloaded Program Files\Other\ieatgpc.inf
        • Size 284B
        • SHA256 08fae59020104d9e3fb375c302bb5fde6a9267e752891ddb2db4f25af11a9b70
        • MD5 SHA1 SHA512 TLSH

        msvcrt.dll

        • Path C:\Windows\Downloaded Program Files\Other\msvcrt.dll
        • Size 248KB
        • SHA256 fb6260b07c05bdbcb6928156da514be5b6b69f095b335692ba46c561d85bd5f8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        npatgpc.dll

        • Path C:\Windows\Downloaded Program Files\Other\npatgpc.dll
        • Size 38KB
        • SHA256 9b15172b922a05fd48fac3e89438bc832b5f1157d1081c56831f7f4023234498
        • MD5 SHA1 SHA512 SSDEEP TLSH

        wbxplayer.chm

        • Path C:\Windows\Downloaded Program Files\Other\wbxplayer.chm
        • Size 156KB
        • SHA256 9c59eafb873120baec708e41f1b25be6ecfeb9cb5f9b603d633b766e9c934b89
        • MD5 SHA1 SHA512 SSDEEP TLSH

        atasctrl.dll

        • Path C:\Windows\Downloaded Program Files\atasctrl.dll
        • Size 177KB
        • SHA256 7a069df7b4c7089b52a3edb8ef2ad567e9bb95a6e0e5bbce9e2c688da80544d5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        atauthor.exe

        • Path C:\Windows\Downloaded Program Files\atauthor.exe
        • Size 29KB
        • SHA256 97149bb8a87c31344c12b288be11f1b73e6e0228250f8f2999771eb38be7936f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        atinet.dll

        • Path C:\Windows\Downloaded Program Files\atinet.dll
        • Size 13KB
        • SHA256 c6a2438669bb6a963b4305805fe527d54052d2b79e5e3f4427b6f75532501313
        • MD5 SHA1 SHA512 SSDEEP TLSH

        atjpeg60.dll

        • Path C:\Windows\Downloaded Program Files\atjpeg60.dll
        • Size 79KB
        • SHA256 1a45932e2f842ed2f2d464e79ead58c1a1fc7deb6085f0b67b8d323d80aadb6b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        atkbctl.dll

        • Path C:\Windows\Downloaded Program Files\atkbctl.dll
        • Size 6KB
        • SHA256 d1589b5c85f4f6e208f0efa39d8960399d06ab6c8d7e906882bda34b1327a58d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        atpack.dll

        • Path C:\Windows\Downloaded Program Files\atpack.dll
        • Size 23KB
        • SHA256 48bf68f68be89e6f2a109b2ee6aefd74d7a2d8d74c979170b86ba718bf39e372
        • MD5 SHA1 SHA512 SSDEEP TLSH

        atrcp.dll

        • Path C:\Windows\Downloaded Program Files\atrcp.dll
        • Size 25KB
        • SHA256 3a29595cf74d70945686fb4183176b8a55a5b4d917a67eb2a5fa84f047ac0360
        • MD5 SHA1 SHA512 SSDEEP TLSH

        atrpui.dll

        • Path C:\Windows\Downloaded Program Files\atrpui.dll
        • Size 331KB
        • SHA256 dc1da2e9d49848acf908fa69e80500610ba925378f909c6d81dd5a72b6594c6c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        atstmget.dll

        • Path C:\Windows\Downloaded Program Files\atstmget.dll
        • Size 12KB
        • SHA256 02e1db9ff869aefd3ff1fdb8ec150e336f7caadfb931ff8b83eb3b00244aed2b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        audiogsm.gsm

        • Path C:\Windows\Downloaded Program Files\audiogsm.gsm
        • Size 39KB
        • SHA256 31fa9321b6702440fc0810d3762d036003a83d21f8dcfaac80ff42474f5f3675
        • MD5 SHA1 SHA512 SSDEEP TLSH

        setup.iss

        • Path C:\Windows\Downloaded Program Files\setup.iss
        • Size 271B
        • SHA256 68e342f0da97596286d9d746bb4d4d67fa1b36446df772fd3d60357621cdc0f9
        • MD5 SHA1 SHA512 TLSH

        atlog.txt

        • Path C:\atlog.txt
        • Size 186B
        • SHA256 2e8edbe414f7d8e57d64011577c7c45409109aa81f4757beba42a30258e69b3c
        • MD5 SHA1 SHA512 TLSH

        atlog.txt

        • Path C:\atlog.txt
        • Size 4KB
        • SHA256 90ffdbc0b310ca24233501b405497a32bef99c8e70f5821a8c2855cbedf00dfb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ieatgpc.dll

        • Path C:\ieatgpc.dll
        • Size 61KB
        • SHA256 609536175340930403e8fdd209052aee397d48a81460cba0d7a42d367e1030af
        • MD5 SHA1 SHA512 SSDEEP TLSH

        data1.hdr

        • Path \??\c:\users\admin\appdata\local\temp\pftfb4a~tmp\disk1\data1.hdr
        • Size 13KB
        • SHA256 adab060ad4ee7733acd1416f9ab392d9cdaf5254a5bebcdf268ff369eda11883
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/740-249-0x0000000003410000-0x0000000003423000-memory.dmp

        memory/740-283-0x0000000003E00000-0x0000000003E2A000-memory.dmp

        memory/740-255-0x0000000003430000-0x0000000003468000-memory.dmp

        memory/740-269-0x0000000003530000-0x000000000355C000-memory.dmp

        memory/740-263-0x0000000003470000-0x00000000034C2000-memory.dmp

        memory/740-488-0x0000000007020000-0x0000000007033000-memory.dmp

        memory/740-442-0x0000000003E50000-0x0000000003E7A000-memory.dmp