Analysis

  • max time kernel
    149s
  • max time network
    93s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    23/04/2026, 01:41

General

  • Target
    2026-04-23_20dd02554be5e34617f664e331832873_amadey_darkgate_dridex_elex_gcleaner_smoke-loader_surtr_vidar.exe
  • Size 5.0MB
  • Sample260423-b4f6csfx8v
  • SHA256 323eac7052a539c9887d2b2111165e4bea8666ec0292a305ceb40dd0da864751
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Stihat

    Stihat is a worm written in Delphi.

  • Detects Stihat payload 14 IoCs
  • Modifies WinLogon for persistence 2 TTPs 3 IoCs
  • Detects executables packed with ASPack 14 IoCs
  • Drops startup file 4 IoCs
  • Executes dropped EXE 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 6 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 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 4 IoCs
  • Modifies registry class 21 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-23_20dd02554be5e34617f664e331832873_amadey_darkgate_dridex_elex_gcleaner_smoke-loader_surtr_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-23_20dd02554be5e34617f664e331832873_amadey_darkgate_dridex_elex_gcleaner_smoke-loader_surtr_vidar.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4836
    • C:\Windows\SysWOW64\HelpMe.exe
      C:\Windows\system32\HelpMe.exe
      2⤵
      • Modifies WinLogon for persistence
      • Drops startup file
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops autorun.inf file
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:1616
    • C:\Users\Admin\AppData\Local\Temp\MZ
      C:\Users\Admin\AppData\Local\Temp\\MZ
      2⤵
      • Modifies WinLogon for persistence
      • Drops startup file
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops autorun.inf file
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:3956
  • C:\Windows\SysWOW64\HelpMe.exe
    C:\Windows\SysWOW64\HelpMe.exe
    1⤵
    • Modifies WinLogon for persistence
    • Drops startup file
    • Executes dropped EXE
    • Enumerates connected drives
    • Drops autorun.inf file
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    PID:904
  • C:\Windows\explorer.exe
    Explorer.exe HelpMe.exe
    1⤵
      PID:4608
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:1116

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          desktop.ini.exe

          • Path C:\$Recycle.Bin\S-1-5-21-2122505878-652277452-2375749442-1000\desktop.ini.exe
          • Size 3.2MB
          • SHA256 3edfe9c70166324a649d70775e9bb4cde7a88f4ee93154945548728fce2e969f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MZ

          • Path C:\Users\Admin\AppData\Local\Temp\MZ
          • Size 5.0MB
          • SHA256 323eac7052a539c9887d2b2111165e4bea8666ec0292a305ceb40dd0da864751
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 918e503cc56907e66f86ed11fe64056d7c3cdb54a8b996987e9da7ab351eb9a3
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 11ad195ff7f05f2719100ccd9776302a210bef09b858f55d1b7d025b0e9dfbe5
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 9bbf5337eb05dc60b022a592b1d80f77c3d0a3714cc56169a49b28435187d4d7
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 e41bf00dfa30a300f88a7eedaf16b0f4c6a39796d9eb0a0159c85ac1f33bf55e
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 34a43ae4b97987920a61f8f021f759dfed06c43f9e0517c370fa7ce59e5a2292
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 a3ec9b40a5e9bc152187429138dabad8f35c2711fa4bdb8ad9e56aeef776234a
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 605b825fae034f1d82b9a1ce7cf1765ed8e1acf0b133597ec55ba5cf8c7ccad4
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 617907ab6aed6e1966233b5c0406a0c460362fd65f9dddb029d24e652f50b684
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 6ea201ab9f7a3545b3eefe75620bc40e0fd4b3ae286747a6cda9eae86f84008f
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 4dce578fa9fa0a3414cf4ca832ae1b2316ca9915495da32201f1ca64fc6b1b01
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 ecf502e0b84d355c43fe4f3a9fa40005a5c321c0191009534cf69f8961f3d436
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 c179b8005f39c00613a15b562cf58e9341652d6a975882942ddfd94ed0d14f1b
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 f9ce7ad045d7f3b97b6f1dd2ceefaad5c3e3ae2fed036c56967370469b2ac526
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 98247b0e145a99603edf6ea5b429cecf238dddcb80afb1e7ad0499d663b8260d
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 06fae27cce99e3a6cfd40bf378c63e71e4c8c2025edfd03265d7af05c27dba63
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 0db6ae185b0e7245764a8d2dd461b846809443d14d233c86217224d7b2d7e05a
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 3a37c5edcac52ab5acca2e129d6d8d06b5e89cb7d84e3d7f682fdbdfd8a4e061
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 b0f9f0f458a1248ec9617eb41bc5d4741c96395297dae8213983b45abca45f5a
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 cebd6458762ef2f3b7a6d69d1933d38e0e80a06997c0d011d09112a4aa279ebd
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 0c27795d63776519bc5d5bb8ffcf2e09a940770d357fe276b68f9c6f3b5db2ea
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 e535bb0587264538e9fb371f4dccc0988db39190186ea4be04da4139fba35dad
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 9eed63af49234a14e74ce2a57f0b22af524fdc2b7316c95e501bbb5e71736434
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 324f2a0b02758a818003a00e746bb865a185e640c3feb9271e9240a005061f7f
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 f8a6a2ed8be918a7dca866dfe943fd5033ba7aa8618995d265c78dabe75a5979
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 3d9969859560ef508bd4edea8b428621c2bff83df77542adc5390ee9c4e31a6f
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 72f645e0dff1b0ab93bb607bdc795b57504eabfd5ee1bf7d497520290bbb8819
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 dc34dd24d95eb79ce2a9189573a433d1887144f4fb54babb13e0bded13fcb113
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 a3e202bfe7a90c7ebc00de25360b42c8ee12de813e70f495f33ab318d3280dda
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 97423701509685b0a7b7b76f07723f9b39c4e26630e4ce5d1fbc8c914233c19c
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 983bcc1bc4ee06c759142de082e693b820f22f05e40641a05c2b928661afdfc3
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 f2de47673158135bb736838b6c770a087e48687294cb0f33a0584612e9b0e7c3
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 900359be8437afe860a35b09d2e3d2ddd6625f254c3cc5b706515cf9ac8445f9
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 0d3e787af288aaa317d26103b3d1dd86e58b2fa655a5b009e73a464b92c71ab3
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 452c4bb6dfad11ada3e7f606e70e459f84f68ccc6982a85eb9f2da81b9d1592f
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 de49c5f6d6da3bcff3fe4ae0b986e4bf588e2a2fcd6a729625676e1d72b5273d
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 106f1a4e1ba489c7eac424ba8c07be56fc479c5af2c1c02795a2db87e0014cd8
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 0368f0c8fe3843fdf2576c60952e0a7b5a9d38ba715300bb7652123e9c743743
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 5d35be34bd3f03a7065664f1335c24e5718abbe3ccc039413e0421bfb0de50ba
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 520cfede442673aaf2df50800e1c3e7836a23a6efa7757a6b7ace7c9b7ff4b45
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 b2f8872d22285b0db26d86ffae0a70d3c6c340036328ca301014cb6526d365d9
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 49bae1da7763214309055831937146f697549a7e905a65f18ffbbbb163b2fdab
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 a500eef7a0c24886dc5584cf45a97c61d8e28d370b2a5dad7009b5e0c655d959
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 b84c2637dd868a881d67b8f2552c499e65d3e9cc99a27b03807e43d4208dcce1
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 845d41a19fd707a41aa436dfc2447941955b2df28f06e8aec2db398341da22d7
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1KB
          • SHA256 8ecee6e3105be823a66fcafe39254116a4ef8ffbe400058242867daa8a882659
          • MD5 SHA1 SHA512 TLSH

          Soft.lnk

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk
          • Size 1019B
          • SHA256 299872b6860fbd5494b8513b73920ea627d90a7eaa95ae732455bea141f7c293
          • MD5 SHA1 SHA512 TLSH

          HelpMe.exe

          • Path C:\Windows\SysWOW64\HelpMe.exe
          • Size 3.2MB
          • SHA256 7bf0166bfb691c7f66955f518671647a82479012f03b5de61715d4b312ea1fb1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          notepad.exe.exe

          • Path C:\Windows\SysWOW64\notepad.exe.exe
          • Size 5.3MB
          • SHA256 b3d7ce9880f900227cb2fd7df5dc2772fab309b39025cfdab18201be8927a637
          • MD5 SHA1 SHA512 SSDEEP TLSH

          AUTORUN.INF

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

          memory/904-75-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/904-61-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/1616-60-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/1616-8-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/1616-7-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/3956-62-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/3956-14-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/3956-13-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/4836-19-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/4836-0-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/4836-2-0x0000000000460000-0x0000000000461000-memory.dmp

          memory/4836-1-0x00000000006D0000-0x00000000006D1000-memory.dmp