Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/08/2026, 20:30

General

  • Target
    4fcf91d09a1ee44b68da26c60eba6aa01fb2da453e6f76c9c6461fa26ba63563.exe
  • Size 661KB
  • Sample260830-zagrssyglg
  • SHA256 4fcf91d09a1ee44b68da26c60eba6aa01fb2da453e6f76c9c6461fa26ba63563
  • 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\4fcf91d09a1ee44b68da26c60eba6aa01fb2da453e6f76c9c6461fa26ba63563.exe
    "C:\Users\Admin\AppData\Local\Temp\4fcf91d09a1ee44b68da26c60eba6aa01fb2da453e6f76c9c6461fa26ba63563.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:3284
    • 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:204
  • 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:3936
  • C:\Windows\explorer.exe
    Explorer.exe HelpMe.exe
    1⤵
    • Modifies registry class
    PID:1844
  • 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:5636
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:5048

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          desktop.ini.exe

          • Path C:\$Recycle.Bin\S-1-5-21-4046655672-1449839301-2197395821-1000\desktop.ini.exe
          • Size 662KB
          • SHA256 370061bf41e553726bc12d82f4af5b1ff79d6064da97eeda5cf4b2701f61759f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 82cd8b7b53a090b70fbc74b70405008a273e33b401a337ee1eee3b5f7881b3fb
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 9dacdaab25ed0d864e46328035e97472664e6571fd6a9b099a035d51c021f25e
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 bd34a0d6ff34fade613138c5c0064e845be715b5f667e5b9b167220304b26fbf
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 0f774a4ab102611a1f465e37cbbbf60004395099fb930a33ccd921593c48b3bd
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 8956db700f45ae0c670b67362b9400d2a14e64906ba2fe1f46c7197a1a44c91b
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 ec9a0f6d14d3e9640911d2a99992a769503c5747e5a1d9abf54ccb4de72966a9
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 b250b9b8eea8abf1995e3b1b516653a5a705682354d225590c2d7ce78cc29812
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 8f9f828bacd4654f3018743a742e920b98224c803c371f494f57fa8ef4820568
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 f24dafcaa23a8d997bd0d183536b5029b809f3ef3fea0feaa2a08f3c99676548
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 210142c3a8ea9e9b1116d42c423830df89c3b9c416b435ddd0bfb33cb1a2c205
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 5b0d03cb1860e0ad66bddeea12e03ea4c4ab6af2dbd7d9ca155512ae3f76a002
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 e630eedcd64c9406c5e068a11fa69e06496ac749e63452fe27accea649bdbc82
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 d8b482ccc75a40b1ba8ee0ce12cfce02f189daef3daadff9358f36d51d70d367
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 fc4441dd134b68eb120538386fc17b73f5e9f7ee987c80c39381919b69ad8fed
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 5cf0f7df743b7fab962132a90851629c9b70ab1f7b9ccfc648f5b4bf903766ce
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 0f187aab83057cfd97bc685ce07eefb1775da61af43228fe8681c59525e5c027
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 d6e6dbe974df8cf2b4c7340236c561d68ffb8e7d53059fd9a50f1bb48bbebf86
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 a6686f736eba6558b4d9a087335ea4bd8102ed6c5e776d37503915c7f3e51609
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 e094f53f1f4a3d09915a43947b7923dfae055ed106f7101561435417a7b613cf
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 82862219f50debb0339111f2daf96886a410b2e26ef47e28f29fc4cdd5b03fbd
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 f5c2a8115144332f975b8b2d01ad1cffeac95f80bcad07e8e1f0ab24da2a9812
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 85e46a19967b66337ed4e1d130a26244819872bb658d9bbf087346b2940a9b21
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 5602a8dac075c6fffde080c9b068afbc8331f1c37d4965f869c4538618ba6100
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 6929db10d870e26fa7f7d3af2a86f7a92ab71b2a6ff1cc0615395b516898b02e
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 620af6dbdc6076b3e3e0835b0f5bb8f7d3eced81e601e966305b4fbe91a33bdb
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 8b9d1c37c6b3a1111fdb4a7332ad7d97a71b26d50f49f30736f51d4bcd2b7cda
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 6f05b17151ecd3cf30dcb947847e239e3d2f4b9ac180557cb21c1772c078e04f
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 746e1e77e40e282e8ce4ad190ea281785eda321b03152732d7d3b8ca4920179e
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 eb083681cb63ec27f45569ae335920273da83a9ac0af05d5c8fe766578947d3a
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 807a5e9a3a5cabf6477abbeca09146d443f8270c89c9b3680b478d826a23ced4
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 0d5c22e9bb1cd5e57629c7b2bbc054124800b808cc05f545dba5bc9956d3440d
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 2f318d8f4b668e78c2f22c1d86f119763a9500c00768afcf1b5599be4e140335
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 42233f237dc36dfa83fded896ce91a73a223bad8bd3ba07c0052f985e62e4e3d
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 958fec9a00e1c4867b74cf3bf655ce8048d3aa6f04c827ad89430335f18e76d4
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 bac2044c4e00915ce6bcb7bbb0c49798b50a5f03ede11115ecbbdc38fdd02dda
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 b55f6b38d46691023ed43b685926ee22e6112f821948bca0eb4f0f16ecd0a758
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 ad8deb398c25cb9ef09e219974a2565af0e9ba11b91a65a589d981c5f5a7210e
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 4207b74ffea175bab99dda92bcccd5aaf69899f397164fbee12fb74b03b4d0b4
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 2c136ceecffab024d2b554f1cda441e8ff535bce320ebdd060c2286b6e1aaad8
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 cf544f7e381b61c115f072ef9deb987e4c749d5a051f12927b8df641c0551934
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 e373ea88d6fb2955a71a9e5bb67d096442e4798324d0a141c7ce5a702a065444
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 79e4065479dad56a7ddadaf2cdcea258c3e06c0adaff6f3050994f8b0b8b248e
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 1b32d951cc8dd8925d19bee2045e15e8c9aaefe795469d0e8cd2c71210d6e3f8
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1023B
          • SHA256 c732e26a7373c226c504e7aedaa726c060178a451ee94c06d5a535a5c39b21de
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 ffa79967a51bfd911238ea77a4306aedaf9217a2ecd3e9d9b944d1550ddaa632
          • 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-1-5-21-4046655672-1449839301-2197395821-1000\desktop.ini
          • Size 662KB
          • SHA256 7760614a3c2336d253a4f08886e13d6a97a5bfd89e330e0de2664eb47f92fdeb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          AUTORUN.INF

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

          memory/204-43-0x0000000000400000-0x000000000047C000-memory.dmp

          memory/204-7-0x0000000000400000-0x000000000047C000-memory.dmp

          memory/3284-42-0x0000000002230000-0x0000000002231000-memory.dmp

          memory/3284-0-0x0000000002230000-0x0000000002231000-memory.dmp

          memory/3284-1-0x0000000000460000-0x0000000000461000-memory.dmp

          memory/3936-41-0x0000000000400000-0x000000000047C000-memory.dmp

          memory/3936-56-0x0000000000400000-0x000000000047C000-memory.dmp