Analysis

  • user interaction
    yes
  • max time kernel
    148s
  • max time network
    121s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260911-en
  • resource tags

    arch:x64arch:x86image:win11-20260911-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    23/10/2026, 22:55

General

  • Target
    setup.exe
  • Size 14.5MB
  • Sample261023-2wfsqset9s
  • SHA256 e8b11fb730a478e31602bfce18f1a79957a40dd0cb7a2929502c58db86d4c954
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 26 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 5 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Modifies registry class 19 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\setup.exe
    "C:\Users\Admin\AppData\Local\Temp\setup.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2300
    • C:\Users\Admin\AppData\Local\Temp\is-BP8K1.tmp\setup.exe.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-BP8K1.tmp\setup.exe.tmp" /SL5="$502AC,14445912,104448,C:\Users\Admin\AppData\Local\Temp\setup.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3352
      • C:\Windows\SysWOW64\regsvr32.exe
        "C:\Windows\system32\regsvr32.exe" /s "C:\Program Files (x86)\Steinberg\Hypersonic 2\HypersonicReWire.dll"
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1128
      • C:\Windows\SysWOW64\regsvr32.exe
        "C:\Windows\system32\regsvr32.exe" /s "C:\Program Files (x86)\Steinberg\Hypersonic 2\Hypersonic.dll"
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        PID:5028
  • C:\Program Files (x86)\Steinberg\Hypersonic 2\Hypersonic.exe
    "C:\Program Files (x86)\Steinberg\Hypersonic 2\Hypersonic.exe"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:3636
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3636 -s 1260
      2⤵
      • Program crash
      PID:2624
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 3636 -ip 3636
    1⤵
      PID:988
    • C:\Program Files (x86)\Steinberg\Hypersonic 2\Hypersonic.exe
      "C:\Program Files (x86)\Steinberg\Hypersonic 2\Hypersonic.exe"
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      PID:4172
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4172 -s 1232
        2⤵
        • Program crash
        PID:3824
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4172 -ip 4172
      1⤵
        PID:2308

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            Hyper Modules Demo Manual.pdf

            • Path C:\Program Files (x86)\Steinberg\Hypersonic 2\Documentation\Hyper Modules Demo Manual.pdf
            • Size 2.0MB
            • SHA256 30627515d4e64ef7c46df7b92234c08e224b125e7cca96a9d41cd9d066d748fe
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Hypersonic User Manual.pdf

            • Path C:\Program Files (x86)\Steinberg\Hypersonic 2\Documentation\Hypersonic User Manual.pdf
            • Size 2.5MB
            • SHA256 09e4cbf9f1236dd94568fb020c891f76c318b6cece807153351375c3f7bdfe36
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Issues and Solutions Hypersonic 2.pdf

            • Path C:\Program Files (x86)\Steinberg\Hypersonic 2\Documentation\Issues and Solutions Hypersonic 2.pdf
            • Size 104KB
            • SHA256 20794d3e4b31548d7fb521f15a5cef1364e746798456875c76a6be21cf8e9ba8
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ReadMe Hypersonic 2.rtf

            • Path C:\Program Files (x86)\Steinberg\Hypersonic 2\Documentation\ReadMe Hypersonic 2.rtf
            • Size 7.8MB
            • SHA256 4c6c4756b8a2d312ef0957349e8e63456e19d08ddf8bf710ba7916f22b2feebe
            • MD5 SHA1 SHA512 SSDEEP TLSH

            The Mod Page.pdf

            • Path C:\Program Files (x86)\Steinberg\Hypersonic 2\Documentation\The Mod Page.pdf
            • Size 275KB
            • SHA256 2b6ff3d3f075e4841ab329cb73d2cbf9383ea29d3442616e3c45116d460ee7ad
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Whats new in Hypersonic 2.rtf

            • Path C:\Program Files (x86)\Steinberg\Hypersonic 2\Documentation\Whats new in Hypersonic 2.rtf
            • Size 4.4MB
            • SHA256 bf43e33cce1e11b5808f01af9409d642040c85d1e5fb3f50e43fbeac37cfda7d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Hypersonic.LOG

            • Path C:\Program Files (x86)\Steinberg\Hypersonic 2\Hypersonic.LOG
            • Size 3KB
            • SHA256 619a768e66126623e8cfc176e82a8eb623b7df1ed6500b9d49724a22455a824a
            • MD5 SHA1 SHA512 TLSH

            Hypersonic.exe

            • Path C:\Program Files (x86)\Steinberg\Hypersonic 2\Hypersonic.exe
            • Size 2.5MB
            • SHA256 52ba9feb4f633e9fc7a5d150c2096538caba5c7e85f6f21c35dd1aaf743c0932
            • MD5 SHA1 SHA512 SSDEEP TLSH

            HypersonicReWire.dll

            • Path C:\Program Files (x86)\Steinberg\Hypersonic 2\HypersonicReWire.dll
            • Size 100KB
            • SHA256 3a6bc880cae74d6c2313957c7f9d9113b6f1682dad5f4815335beeb9faede916
            • MD5 SHA1 SHA512 SSDEEP TLSH

            HypersonicReWire.rwdef

            • Path C:\Program Files (x86)\Steinberg\Hypersonic 2\HypersonicReWire.rwdef
            • Size 2KB
            • SHA256 f1a6db766c88b6bf5b2006df101d39e2119f9ef2f343727049fa6a7f3780bdaa
            • MD5 SHA1 SHA512 TLSH

            is-4DI84.tmp

            • Path C:\Program Files (x86)\Steinberg\Hypersonic 2\Uninstall\is-4DI84.tmp
            • Size 1.6MB
            • SHA256 2b8101991b7fe7a137d082abad711b89054916008a9b68f62f3055959af84f97
            • MD5 SHA1 SHA512 SSDEEP TLSH

            is-67PBF.tmp

            • Path C:\Program Files (x86)\Steinberg\Hypersonic 2\is-67PBF.tmp
            • Size 7.3MB
            • SHA256 929dccbf96b8f42eb9a58ce8283b29a452b876b765a97d1c896d4154ffa1d8ff
            • MD5 SHA1 SHA512 SSDEEP TLSH

            setup.exe.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\is-BP8K1.tmp\setup.exe.tmp
            • Size 1.6MB
            • SHA256 09178384f340b88f258bafa5a7af3dc2c2864004df8a33a71900b12d13fe84ac
            • MD5 SHA1 SHA512 SSDEEP TLSH

            gdiplus.dll

            • Path C:\Users\Admin\AppData\Local\Temp\is-VI0U9.tmp\gdiplus.dll
            • Size 1.7MB
            • SHA256 5f25405d991a2118dffcaa4929aa94e44a8692916e363a84011555f4c8c4c423
            • MD5 SHA1 SHA512 SSDEEP TLSH

            tmpE583DCF.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\tmpE583DCF.tmp
            • Size 492KB
            • SHA256 f047d2371f204ad9709b891c5e2b59b8c0e13b6899746b2b449529e7375016ba
            • MD5 SHA1 SHA512 SSDEEP TLSH

            tmpMME583DDF.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\tmpMME583DDF.tmp
            • Size 90KB
            • SHA256 d98cd5d6ed9c4a95701684aa83777cefd5d8096e14c836493f67159d68161c01
            • MD5 SHA1 SHA512 SSDEEP TLSH

            GuaD.dll

            • Path C:\Windows\SysWOW64\GuaD.dll
            • Size 2.7MB
            • SHA256 1d299dc7efa6a7cc78aa85c0ff55b9c40b0051d8c380963bfacabbb0b9f58c65
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MSVCP71.dll

            • Path C:\Windows\SysWOW64\MSVCP71.dll
            • Size 488KB
            • SHA256 df96156f6a548fd6fe5672918de5ae4509d3c810a57bffd2a91de45a3ed5b23b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MSVCR71.dll

            • Path C:\Windows\SysWOW64\MSVCR71.dll
            • Size 340KB
            • SHA256 8094af5ee310714caebccaeee7769ffb08048503ba478b879edfef5f1a24fefe
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ReWire.dll

            • Path C:\Windows\SysWOW64\ReWire.dll
            • Size 360KB
            • SHA256 2129e05055106f1655036f5acae0fa348da2d602297c24a43b8af6a2ba115e2f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            SYNSOEMU.DLL

            • Path C:\Windows\SysWOW64\SYNSOEMU.DLL
            • Size 2.3MB
            • SHA256 f6038dc65ab4c96b7dc20303a300d3453904ed6a7fa21a603c9885a0252bf593
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/2300-38-0x0000000000400000-0x0000000000422000-memory.dmp

            memory/2300-132-0x0000000000400000-0x0000000000422000-memory.dmp

            memory/2300-0-0x0000000000400000-0x0000000000422000-memory.dmp

            memory/2300-2-0x0000000000418000-0x0000000000419000-memory.dmp

            memory/3352-35-0x0000000000400000-0x000000000059F000-memory.dmp

            memory/3352-18-0x0000000000400000-0x000000000059F000-memory.dmp

            memory/3352-37-0x0000000002960000-0x00000000029A0000-memory.dmp

            memory/3352-36-0x0000000000400000-0x000000000059F000-memory.dmp

            memory/3352-10-0x0000000000400000-0x000000000059F000-memory.dmp

            memory/3352-19-0x0000000002960000-0x00000000029A0000-memory.dmp

            memory/3352-20-0x0000000000400000-0x000000000059F000-memory.dmp

            memory/3352-131-0x0000000000400000-0x000000000059F000-memory.dmp

            memory/3636-140-0x0000000007230000-0x000000000798A000-memory.dmp

            memory/3636-147-0x0000000007A90000-0x0000000007CEB000-memory.dmp

            memory/3636-153-0x0000000007CF0000-0x0000000007FA2000-memory.dmp

            memory/3636-155-0x0000000007CF0000-0x0000000007FA2000-memory.dmp

            memory/3636-152-0x0000000007CF0000-0x0000000007FA2000-memory.dmp

            memory/4172-166-0x0000000007AA0000-0x0000000007CFB000-memory.dmp

            memory/4172-170-0x0000000007D00000-0x0000000007FB2000-memory.dmp

            memory/4172-160-0x0000000007240000-0x000000000799A000-memory.dmp

            memory/4172-172-0x0000000007D00000-0x0000000007FB2000-memory.dmp

            memory/4172-174-0x0000000007D00000-0x0000000007FB2000-memory.dmp