Analysis

  • max time kernel
    148s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/08/2026, 04:06

General

  • Target
    3ff53b0e8b06afebbfedbf61d4e88a1425ea58d0dc29ae788478beed776084ca.exe
  • Size 661KB
  • Sample260831-epekrsw1bs
  • SHA256 3ff53b0e8b06afebbfedbf61d4e88a1425ea58d0dc29ae788478beed776084ca
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Stihat

    Stihat is a worm written in Delphi.

  • Detects Stihat payload 3 IoCs
  • Modifies WinLogon for persistence 2 TTPs 3 IoCs
  • Creates a file in the Startup directory 1 TTPs 4 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Executes dropped EXE 2 IoCs
  • Drops desktop.ini file(s) 3 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 4 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies registry class 24 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3ff53b0e8b06afebbfedbf61d4e88a1425ea58d0dc29ae788478beed776084ca.exe
    "C:\Users\Admin\AppData\Local\Temp\3ff53b0e8b06afebbfedbf61d4e88a1425ea58d0dc29ae788478beed776084ca.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Creates a file in the Startup directory
    • Enumerates connected drives
    • Drops autorun.inf file
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5484
    • C:\Windows\SysWOW64\HelpMe.exe
      C:\Windows\system32\HelpMe.exe
      2⤵
      • Modifies WinLogon for persistence
      • Creates a file in the Startup directory
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops autorun.inf file
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:2784
  • C:\Windows\SysWOW64\HelpMe.exe
    C:\Windows\SysWOW64\HelpMe.exe
    1⤵
    • Modifies WinLogon for persistence
    • Creates a file in the Startup directory
    • Executes dropped EXE
    • Enumerates connected drives
    • Drops autorun.inf file
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    PID:2300
  • C:\Windows\explorer.exe
    Explorer.exe HelpMe.exe
    1⤵
    • Modifies registry class
    PID:6056
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Drops desktop.ini file(s)
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:976
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:5432

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          desktop.ini.exe

          • Path C:\$Recycle.Bin\S-1-5-21-2246396966-3025826688-3847171515-1000\desktop.ini.exe
          • Size 662KB
          • SHA256 6e096923169ec4511a6033cdee066aba99bb11ee11a30f5b1e925881950d23f4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 c4f6baa80b46b19dc803c323c4afea61ca1ccf81b475d10a5e698e4b0e3bfe62
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 20bb21ffbcea3f49b0c802977b3c0ad879a0647ccd78f72e8148f38be9e0432f
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 6b0290ac256c58744d9ea55c0e04a812338607b823082efd4f6be7b60437560d
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 bcb063dc79311264f68e98dc17809d5dc779a04c4b4567ab425735dbcfef9af9
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 057594c6a7caef07c1cc680e3c87f3b6c3174685187e1adc8d3482603394062d
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 49e779e207cb4006e3769b65a9ccbd0af2a5a7310118cd880f8e7e55ec6b16a4
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 a16fe035c4834843daf1c09ab534ebbc1ad68f10501e95a36b240d5e2a54ca3b
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 fd1c8368f970c6ba079a59ee5a9ca61a54602be5508022bda49206d690f11d18
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 659eabf7456aaf014cfa6b8ce85d578d078d891ebdfa64dc802269877bf7d929
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 1ff7238d038fe37663ff1511f3a8634e27e2f74f3455c47e4e31f07964d7074c
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 f0545059b6745a2140c8bdca8268d8b1bfa7b4135bb99b6ebda8aa86ac0dc372
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 cb0af47c79be3220dd25541d35ed4f505e6ee1f6f9710d1b904d1256f86726d0
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 3a4d2628a8b71e5b8965e79c38e3df568ab80975de7d79fdf805563da9155f96
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 3838ffcbf79fd9023087a2294ad9d86a9763e10976105b5d7513bc4056f52a81
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 71fbd8d7e12d5acfe988d48bf77dce145a989fa3d1938caecd5edcfc60f741a4
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 f3a587a2ff6d00958d19bb95ec2a697102ece4a3a4316f2ce6a92493d3bb63f8
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 6843030a9777f019f4d07dcec4c06e9b2b220149bc40d1b30bee018edfa221b7
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 82fb45a5b9438dc2d250f50eac6885383a574d68ce7170358c3503ecddc19858
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 cd9ae606cd9b361d54e7b66326c469c9fb85dce8f0d5eec88fb0b1c87c547498
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 7418371594c31efe6247444b9673a36a66299f23002c1d126733f71ee8e460a8
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 3fa84667468d0f7dde7f6d51f46768508ff067ced649c7d814e0b1b14d1e897d
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 52d707eb269d0f261295a5f302d74d1d69061b7b7d62ca63d0f30a871d2ff3f7
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 4b82a809b62ecaf88d3f517dea9e82777f19023843368765f16cc6af080ae730
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 3d16a62e19238d12f82c7d99d0af7e0939707cc317f35f52264074be42c65f3d
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 46e8e46d542dee31bf7a523042098bda129152c6f560eecb3f22d98b93aa5a9c
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 305ca79966cf9ff0577fd012b9a5cb42ac704efbd0a6ad6c8b6e84d5355cda7c
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 4c67a8b04f615c32f370c994809f697767d99d7aa67a6d564e6e9c7a4ae89010
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 272b5282984450ff3c06b39d6bc878a424294ac16bd08fda0220e26a157265d0
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 7645d67007b8e3cc6c60fb7271a5dd8adb0b186af46d65fc06efcb1f78024b0a
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 73971d4f0c9b0ce8e57aa2a7b37df84f826785b9228f05cf838c66635cacb177
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 1292c1b6e31cc7919b9be9fcecd5c1768ef46cd810c2c0a7ba533fa762260b20
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 492eaf3f9ed1cb4149a72f44383b24a23ae32b8ddd0e973d9295bf030a4f3ea6
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 a025377c77f1602420c36103334ae00962b67b2aac94c20321f099cbf83d01e5
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 9df49b6d53aebb48f9bc3775cffcf6edc4673d6de806fcf7295dd094ed0a3ac9
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 c36656c0f55adaea9b03db87995e881837ec0a3b240a3d22dc4b0e9761bb524c
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 185386d5973e93fb9e07724bf195be6db7b557052fb7a1fc809a2b9ecb51b642
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 1d5c905f08e5163b3b5e95c5c374e4fdd4d9fc8cc31bceb545b7ce766c909224
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 45e7d7e041a83ddbe3277e1b70cee35f7f3f57a63c6869d84f52f0704a1353f6
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 6e947a822272e815e21cf82267e69f8a3c3a33848d9d22022fd95356f3a0c8be
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 01a78a1c4c010627fbaecaab28d89543fd371138bab7130d9e48ffb4bda973fe
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 c18e73ff96b634e665005a05202f27918afb29db1056af41b521807923533bb5
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 70f27ea41d121e2836908196d68403d1707631e980d831c2ca7b10f3f5a46d58
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 83648a72752392c252e1cb7acfbd502edc99972b19e608874ddece333f6464a3
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 3dd7c120656dcfe29fc0a2f5bd7ca8e0263a716a2ee2b0432ff2b2f733394060
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 dea5c970292069f86374bfc298cb79399db068011bf8c043b9d099c7aee8f106
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 309b3fd3a5903a2f91fe9ca753856908e119ba172a1d2f0c782afa1b3c532757
          • MD5 SHA1 SHA512 TLSH

          HelpMe.exe

          • Path C:\Windows\SysWOW64\HelpMe.exe
          • Size 657KB
          • SHA256 cdd548fa4ae89e258ac00695835731970d303c74a322b3b5e8614f9cba56e174
          • MD5 SHA1 SHA512 SSDEEP TLSH

          desktop.ini

          • Path F:\$RECYCLE.BIN\S-1-5-21-2246396966-3025826688-3847171515-1000\desktop.ini
          • Size 662KB
          • SHA256 2a17795ba5cdd11292efee5bda8ff1aa598ce673b258c350b2165160edd7fd4a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          AUTORUN.INF

          • Path F:\AUTORUN.INF
          • Size 145B
          • SHA256 cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae
          • MD5 SHA1 SHA512 TLSH

          memory/976-55-0x000000000CF30000-0x000000000D257000-memory.dmp

          memory/2784-7-0x0000000000400000-0x000000000047C000-memory.dmp

          memory/2784-46-0x0000000000400000-0x000000000047C000-memory.dmp

          memory/5484-0-0x0000000002220000-0x0000000002221000-memory.dmp

          memory/5484-41-0x0000000002220000-0x0000000002221000-memory.dmp

          memory/5484-1-0x0000000000460000-0x0000000000461000-memory.dmp