Overview

overview

10

Static

static

10

41e1871916...98.exe

windows10-2004-x64

9

41e1871916...98.exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    148s
  • max time network
    140s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/08/2026, 13:15

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General

  • Target
    41e187191625d749b89a11bc04fc0b2a3b9bd638035d05b39365c47ab36d1898.exe
  • Size 194KB
  • Sample260812-qhf1sshj9x
  • SHA256 41e187191625d749b89a11bc04fc0b2a3b9bd638035d05b39365c47ab36d1898
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (588) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

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

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

    spywarestealer
  • Drops desktop.ini file(s) 2 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

    defense_evasion
  • Drops file in System32 directory 4 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Drops file in Windows directory 2 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.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 24 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Control Panel 2 IoCs
    defense_evasion
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\41e187191625d749b89a11bc04fc0b2a3b9bd638035d05b39365c47ab36d1898.exe
    "C:\Users\Admin\AppData\Local\Temp\41e187191625d749b89a11bc04fc0b2a3b9bd638035d05b39365c47ab36d1898.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1184
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      • Checks SCSI registry key(s)
      PID:1336
    • C:\ProgramData\6A5A.tmp
      "C:\ProgramData\6A5A.tmp"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:5676
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\6A5A.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5792
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:6076
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Checks SCSI registry key(s)
      • Suspicious use of WriteProcessMemory
      PID:1104
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{08F56E9B-F734-4746-BB8E-24F6DF3BD06D}.xps" 134310141433310000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:4504
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:5524

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            YYYYYYYYYYY
            • Path C:\$Recycle.Bin\S-1-5-21-3989226554-2204910950-1522900112-1000\YYYYYYYYYYY
            • Size 129B
            • SHA256 f0bc5ff0469ba247d310b26d993b9fe67ace0981b1d80c3f53494048c7490a5f
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            AAtvmKv4L.README.txt
            • Path C:\AAtvmKv4L.README.txt
            • Size 434B
            • SHA256 192d1e6078570865531e8a4c9840a483c4a2ac35fe468107284991f6da813191
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            6A5A.tmp
            • Path C:\ProgramData\6A5A.tmp
            • Size 14KB
            • SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
            • Path C:\Users\Admin\AppData\Local\Temp\EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
            • Size 194KB
            • SHA256 e102cd4f009049ad74bfe3a13bb6dc947aed99d9b0d329d9d49ac214c2187a42
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            Open Notebook.onetoc2
            • Path C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
            • Size 4KB
            • SHA256 cf0c80e48a79ba59133a777e090302d9751bdf2bfa053c17bcf4c89fcba93f6e
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            DDDDDDDDDDD
            • Path F:\$RECYCLE.BIN\S-1-5-21-3989226554-2204910950-1522900112-1000\DDDDDDDDDDD
            • Size 129B
            • SHA256 450e2017e5a33dff8e6e61b6ef8fd40dad659061c29503a9ba233ad7a7f90a73
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            memory/1184-2-0x0000000002BA0000-0x0000000002BB0000-memory.dmp
            Download

            memory/1184-1-0x0000000002BA0000-0x0000000002BB0000-memory.dmp
            Download

            memory/1184-1039-0x0000000002BA0000-0x0000000002BB0000-memory.dmp
            Download

            memory/1184-1040-0x0000000002BA0000-0x0000000002BB0000-memory.dmp
            Download

            memory/1184-0-0x0000000002BA0000-0x0000000002BB0000-memory.dmp
            Download

            memory/4504-1051-0x00007FF8C6560000-0x00007FF8C6570000-memory.dmp
            Download

            memory/4504-1057-0x00007FF8C6560000-0x00007FF8C6570000-memory.dmp
            Download

            memory/4504-1054-0x00007FF8C6560000-0x00007FF8C6570000-memory.dmp
            Download

            memory/4504-1052-0x00007FF8C6560000-0x00007FF8C6570000-memory.dmp
            Download

            memory/4504-1086-0x00007FF8C3FC0000-0x00007FF8C3FD0000-memory.dmp
            Download

            memory/4504-1087-0x00007FF8C3FC0000-0x00007FF8C3FD0000-memory.dmp
            Download

            memory/4504-1053-0x00007FF8C6560000-0x00007FF8C6570000-memory.dmp
            Download

            memory/4504-1101-0x0000023D3A240000-0x0000023D3A330000-memory.dmp
            Download