Overview

overview

10

Static

static

10

2026-05-05...at.exe

windows10-2004-x64

10

2026-05-05...at.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    94s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    05/05/2026, 01:59

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General

  • Target
    2026-05-05_29e6e3bd09917ca29d1a1f5197495739_cobalt-strike_darkgate_elex_gcleaner_icedid_njrat.exe
  • Size 871KB
  • Sample260505-cepxmsax4k
  • SHA256 cf8513479e94252503f2eac2db9417aad21a41861640fa4b18bf3dbd632556e9
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarediscoverystihatpersistencespywareworm

Malware Config

Signatures

  • Family: Stihat

    Stihat is a worm written in Delphi.

    wormstihat
  • Detects Stihat payload 2 IoCs
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Detects executables packed with ASPack 2 IoCs
  • Drops startup file 2 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

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

  • Drops file in System32 directory 3 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 1 IoCs

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

    discovery
  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
    adwarespyware
  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-05_29e6e3bd09917ca29d1a1f5197495739_cobalt-strike_darkgate_elex_gcleaner_icedid_njrat.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-05_29e6e3bd09917ca29d1a1f5197495739_cobalt-strike_darkgate_elex_gcleaner_icedid_njrat.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops startup file
    • Enumerates connected drives
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:4456
  • C:\Windows\explorer.exe
    Explorer.exe HelpMe.exe
    1⤵
      PID:5036
    • 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:5140

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          desktop.ini.exe
          • Path C:\$Recycle.Bin\S-1-5-21-2397528088-2630719772-1129911217-1000\desktop.ini.exe
          • Size 871KB
          • SHA256 dc9f46dca18930c7d40a569281040d86964d2bdcca706ccac1285cebbb2318a0
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          iexplore.exe.exe
          • Path C:\Program Files (x86)\Internet Explorer\iexplore.exe.exe
          • Size 1.6MB
          • SHA256 fb4a8bf8e2078ea578364fdded1bad0f509bdc6d9afcf788fd02c9a23705c255
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

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

          memory/4456-0-0x0000000002350000-0x0000000002351000-memory.dmp
          Download

          memory/4456-1-0x0000000000460000-0x0000000000461000-memory.dmp
          Download

          memory/4456-52-0x0000000002350000-0x0000000002351000-memory.dmp
          Download

          memory/4456-55-0x00000000023B0000-0x0000000002414000-memory.dmp
          Download