Analysis

  • max time kernel
    148s
  • max time network
    127s
  • 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, 22:41

General

  • Target
    c7473a752cd420965fa3ee48aa622ede6e784d400d95ce8434f1dafdeecfeb76.exe
  • Size 666KB
  • Sample260830-2l4f2sar4z
  • SHA256 c7473a752cd420965fa3ee48aa622ede6e784d400d95ce8434f1dafdeecfeb76
  • 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\c7473a752cd420965fa3ee48aa622ede6e784d400d95ce8434f1dafdeecfeb76.exe
    "C:\Users\Admin\AppData\Local\Temp\c7473a752cd420965fa3ee48aa622ede6e784d400d95ce8434f1dafdeecfeb76.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:4140
    • 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:5716
  • 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:620
  • C:\Windows\explorer.exe
    Explorer.exe HelpMe.exe
    1⤵
    • Modifies registry class
    PID:1592
  • 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:3232
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:3840

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          desktop.ini.exe

          • Path C:\$Recycle.Bin\S-1-5-21-3797332335-34111092-3597280141-1000\desktop.ini.exe
          • Size 667KB
          • SHA256 d448710614d816b46886dc143c221ebf0eedc464ff5bb82cdf27c6144eb0e6c0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 3f213bae13418f1d9da31d144a8792e677ddb1011cd48933c212bae09932528a
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 d0a557996c1b3068dfc71c19a32fbc63573530b0253e6433293e3ae608b5240c
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 f640c03fb7bd829c041762076f7cf9f17f4b270b7648ec5f62d8aef90211e6c4
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 02d3641f58dcc0917b1f61ff9b251fa006f8151fc1714f08d48b2be86b4464ee
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 805fadff3af8443282e1ab44d52ad632477af559738ff7be7b2e4c3e0c043919
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 83cd70eb5d809e3c3852d1c05f6c2a8bbe59d1bd18a7cb5382d9eaf42c1aec3c
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 0ce33891066efad2cf9f61c0bddaa7790b470bbf267f6e8ee493078177df4a8e
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 c242123818981928b235654f4742019629a036db1f94cd42038373a08a7e8854
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 cc0da738ea953a83635f96946369ae0647bfeaceb0591c0526d19fb43b852e68
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 69024831050c3eb8765e603eec0f8d130a464dd0a1647b8c3c403db5b6178e53
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 5c14fb9afd173a9217e66ba6a85920637119f458d87072dcb72d5d7cd1c21dab
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 6a08b973908315826c84ebcd53bd657b35c476447ceb2efc04230e7c233a7525
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 1b8e1cc0ed562efed0e42ee884a9570ebf5b48da93757c0e452724a75c170caa
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 cbf2736972fbb91058d36030a2e232c3a3bdd5b440c72e3d72759147b0b299d5
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 bdd86e27c456b9e52e893961f57e429b50b879ec31a4183ec38dd62bf1162edd
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 52b367700cf5370780f7e444dc3c91ffd95496356c81acbae28448c49c915e0f
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 eb8f525b89024311e8160a77fafb6f7cfc10e45cd90e96594242760b9b1e81e4
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 2a650ef5747950dc2be7b93e34f26d60a165091949d47d0e84f4fc262a65a9fe
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 d62e5dd9221481a324c7f9f1dded7e46cb549fcbcfb001298772a87b6b73a118
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 784c632de2583c99f31358adf5e379416cafa0d14d5290a94605b3713266c0e9
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 7904a3f8675eb8e88b531bae362c843624b925e93e89b60ed31c026e74c958ff
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 fbcd4704aa26ab79707ae4b037ac6f3051e6d9b6b22ef858c5f8ad229d543b12
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 04f9319d1e02aa9e7339e750f7c5857bb636d268c3aadd3806bbab15157b11de
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 53dcc633fed127b4688071a4b92e2a09d242d2b271934b15159236f26276456d
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 6f2d2ecbdfd8d75a1a1804f3a9075d323fd2b57ef1de3dfa601450bfb8ff9993
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 190b9ab5736dfd616bc974c7d5d36a036bc9f3fc6dbde0949f5add19ed0199e5
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 1f54239ed9816d7ca00dbde91c42362a492ee16d6f024d9303691f8e45b1f69b
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 15c00ebaad7821e738bc49f41d09ebf2ff6a18362da20fb604083e308970602b
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 69da91f3e76c1528fa323bc3acc4425574d0e2876a498a8ecbba817cf75a928c
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 8e2e391ae6b9dd25423f0ceec0c0f0759c3541d591f3a3673e87f0626abf9593
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 a1a9022d50317c018904ee0acbe46c7150cab26b51b4125a83c93afee4957b07
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 6de41655c7847e58d7cca679034fbf0b362453a324314ecbf074e47150f8978a
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 d5e95ccf2ef330f927c4d3fe38f814e00bcd075f3e406a51ef46c49681d503d5
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 cfd4f814ed954725fe4fc5369d3767760095df71d269a0a22184c754b63edefb
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 917b1041be95d38f3db598043f775bd90a6cc41b8de5ebfeecd0a8448ca84e7d
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 b5852fe541b0121870e31efc223b55c1ca505ad170965f51db223a8e35b59d65
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 37ade34f5e467815559f33b16bee5b8b9dfda0965c523773b1c4a698be7f5d7e
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 0c7b9f74fd45561749a1f122231b790fb88d664b974bacf73aa5b76314d37ea8
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 8411057f99c94bcd749fd7dd769d7d30fb8be69005b91a2c80111fabe076df2a
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 225be24c69bd9c2e136892f60f62df0b7c1fda1db8fc3b1c351098fbe69ffa3a
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 821c8b734a10d0d8dd1173f6cac890363bc419e19dcf43099a083188731ba578
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 13ba8d54de838fd6df4da0c1e7801cb6f1b09934cd0cd640e38a51ee7c9514ec
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 af02bd52808f81ec608dc45a5944a75be374932eb846c68156afb1fdf145de26
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 f1c39ee5411e8c1af5fd597a044620dbd4a012e999d171cdd9b496a42272d89f
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 e5bac2d7f96476055cfa81990154a0b4738e754909857f37f27f95a559caab8c
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 87f7d9dfccc5c79b3e69b1903aae8aff53d05f14d89b2ca130e1b83ba5d6763a
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 835bb57a61009bb9d2a21ccc3cef2f2a85bd6aae35cd7c5e5399e5cfa39fd718
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 55eb26f41019eb3b1a18750ee23cea6a292f2ac9b51bbb5d4bd150f0ddce58a1
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 4e03eef891d51977b1ef5122e78d88990724d90bbbdb9f4e36244e0342fa44ae
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 2c70f17f7c5322ad618f8305807070d867396b76bfe60775a2192ab43d599812
          • 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-1-5-21-3797332335-34111092-3597280141-1000\desktop.ini
          • Size 667KB
          • SHA256 00bd4e4ae5bcef5f568c3798eac9b2bd5d37e0a6053412222323ea6bcd1ba813
          • MD5 SHA1 SHA512 SSDEEP TLSH

          AUTORUN.INF

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

          memory/3232-55-0x000000000C730000-0x000000000C8EE000-memory.dmp

          memory/4140-0-0x0000000002150000-0x0000000002151000-memory.dmp

          memory/4140-41-0x0000000002150000-0x0000000002151000-memory.dmp

          memory/4140-1-0x0000000000460000-0x0000000000461000-memory.dmp

          memory/5716-7-0x0000000000400000-0x000000000047C000-memory.dmp

          memory/5716-46-0x0000000000400000-0x000000000047C000-memory.dmp