Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/06/2026, 13:59

General

  • Target
    2026-06-26_921186067d0a6de3a134f0744d612522_coinminer_elex_wannacry.exe
  • Size 590KB
  • Sample260629-ramdaagx8j
  • SHA256 9be54a25756f1175a6a5979dc6a7f2a8ca2fff372d3511d93880e01ccbcce146
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables containing base64 encoded User Agent 5 IoCs
  • UPX dump on OEP (original entry point) 5 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 25 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 35 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 39 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-06-26_921186067d0a6de3a134f0744d612522_coinminer_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-06-26_921186067d0a6de3a134f0744d612522_coinminer_elex_wannacry.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4708
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\udxgg.exe "C:\Users\Admin\AppData\Local\Temp\2026-06-26_921186067d0a6de3a134f0744d612522_coinminer_elex_wannacry.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:3852
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:5284
      • C:\Users\Admin\AppData\Local\Temp\udxgg.exe
        C:\Users\Admin\AppData\Local\Temp\\udxgg.exe "C:\Users\Admin\AppData\Local\Temp\2026-06-26_921186067d0a6de3a134f0744d612522_coinminer_elex_wannacry.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:5352
        • \??\c:\Program Files\mnalo\dkgwnkxj.exe
          "c:\Program Files\mnalo\dkgwnkxj.exe" "c:\Program Files\mnalo\dkgwnkxj.dll",DoAddToFavDlg C:\Users\Admin\AppData\Local\Temp\udxgg.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3932
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1736
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:4248
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4316
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4192

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        dkgwnkxj.exe

        • Path C:\Program Files\mnalo\dkgwnkxj.exe
        • Size 51KB
        • SHA256 ce6bb7eddc83762c708d4a41709ae00371dbdc09b2a380f28fa60b1edf917473
        • MD5 SHA1 SHA512 SSDEEP TLSH

        prep_Activatable Class_Hermes_perf.cache

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
        • Size 599B
        • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
        • MD5 SHA1 SHA512 TLSH

        udxgg.exe

        • Path C:\Users\Admin\AppData\Local\Temp\udxgg.exe
        • Size 590KB
        • SHA256 60fc76abdf8d4b4904f87f6aee2efc1056d9621d6fc1ed71b8a7205c79fe764e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        dkgwnkxj.dll

        • Path \??\c:\Program Files\mnalo\dkgwnkxj.dll
        • Size 171KB
        • SHA256 85699d521d600a6b99e57b3589e78bbc7288c28f43ad3f0a9fc1b341679adc9e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3932-15-0x0000000010000000-0x0000000010052000-memory.dmp

        memory/3932-192-0x0000000010000000-0x0000000010052000-memory.dmp

        memory/3932-17-0x0000000010000000-0x0000000010052000-memory.dmp

        memory/3932-11-0x0000000010000000-0x0000000010052000-memory.dmp

        memory/3932-14-0x0000000002940000-0x0000000002942000-memory.dmp

        memory/3932-13-0x0000000010000000-0x0000000010052000-memory.dmp

        memory/3932-12-0x0000000010000000-0x0000000010052000-memory.dmp

        memory/4192-34-0x000001C182990000-0x000001C182A90000-memory.dmp

        memory/4192-23-0x000001C199D20000-0x000001C199E20000-memory.dmp

        memory/4192-40-0x000001C184240000-0x000001C184260000-memory.dmp

        memory/4192-38-0x000001C1828B0000-0x000001C1828D0000-memory.dmp

        memory/4192-32-0x000001C1827B0000-0x000001C1827D0000-memory.dmp

        memory/4248-193-0x000000000E230000-0x000000000EAAB000-memory.dmp

        memory/4708-0-0x0000000000400000-0x000000000048B000-memory.dmp

        memory/4708-2-0x0000000000400000-0x000000000048B000-memory.dmp

        memory/5352-8-0x0000000000400000-0x000000000048B000-memory.dmp

        memory/5352-5-0x0000000000400000-0x000000000048B000-memory.dmp