Overview

overview

10

Static

static

10

_2e3876a4a...8c.exe

windows10-2004-x64

9

_2e3876a4a...8c.exe

windows11-21h2-x64

9

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    29/05/2026, 12:19

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General

  • Target
    _2e3876a4a2e1d7456dbc95a254b419de25a9b26d2bab3d98d8c9ff0faa43b48c.exe
  • Size 146KB
  • Sample260529-phnvzabw2w
  • SHA256 2e3876a4a2e1d7456dbc95a254b419de25a9b26d2bab3d98d8c9ff0faa43b48c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (855) 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
  • 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 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 64 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\_2e3876a4a2e1d7456dbc95a254b419de25a9b26d2bab3d98d8c9ff0faa43b48c.exe
    "C:\Users\Admin\AppData\Local\Temp\_2e3876a4a2e1d7456dbc95a254b419de25a9b26d2bab3d98d8c9ff0faa43b48c.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:6072
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:4728
    • C:\ProgramData\7309.tmp
      "C:\ProgramData\7309.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:4116
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\7309.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2576
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:3224
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:3116
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{EAC26026-307B-4E33-BB98-90455BD6BD86}.xps" 134245308848530000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:3592

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          desktop.ini
          • Path C:\$Recycle.Bin\S-1-5-21-2746394149-3500112804-1243524366-1000\desktop.ini
          • Size 129B
          • SHA256 c8b3dcd5d2566bc441c0ccdd9524c89877bc7221dab89c1cc6668a482fec6ab7
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          7309.tmp
          • Path C:\ProgramData\7309.tmp
          • Size 14KB
          • SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
          • Path C:\Users\Admin\AppData\Local\Temp\EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
          • Size 146KB
          • SHA256 6f365f5a530df1a729de8e1283581f06ada76ca280d7a61c087d0a92dcab57ed
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          {955F612D-240A-41C0-9CCF-3F3EF7A26D34}
          • Path C:\Users\Admin\AppData\Local\Temp\{955F612D-240A-41C0-9CCF-3F3EF7A26D34}
          • Size 4KB
          • SHA256 dd1ae4b224030d0dc39a1380cfb32bbdaef642551d0a8090f8de03c46bfe2e94
          • 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 2cfcef03b8516615e11121d4c5aad60615ee477402949f7623e8aa7ac73f59f1
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          aVUTARFWS.README.txt
          • Path C:\Users\Admin\aVUTARFWS.README.txt
          • Size 427B
          • SHA256 29a544b27712da1f10bbf00378e7ccfd0ba5fdef465e221512cb9733ed31ff60
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          DDDDDDDDDDD
          • Path F:\$RECYCLE.BIN\S-1-5-21-2746394149-3500112804-1243524366-1000\DDDDDDDDDDD
          • Size 129B
          • SHA256 3525cc7b9f173b974969c49ac21370b4a173e1f050be7ac34584cf7e0c3152d6
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          memory/3592-3881-0x00007FFE54250000-0x00007FFE54260000-memory.dmp
          Download

          memory/3592-3882-0x00007FFE54250000-0x00007FFE54260000-memory.dmp
          Download

          memory/3592-3883-0x00007FFE54250000-0x00007FFE54260000-memory.dmp
          Download

          memory/3592-3885-0x00007FFE54250000-0x00007FFE54260000-memory.dmp
          Download

          memory/3592-3887-0x00007FFE54250000-0x00007FFE54260000-memory.dmp
          Download

          memory/3592-3917-0x00007FFE516B0000-0x00007FFE516C0000-memory.dmp
          Download

          memory/3592-3918-0x00007FFE516B0000-0x00007FFE516C0000-memory.dmp
          Download

          memory/6072-3872-0x00000000025B0000-0x00000000025C0000-memory.dmp
          Download

          memory/6072-3870-0x00000000025B0000-0x00000000025C0000-memory.dmp
          Download

          memory/6072-1-0x00000000025B0000-0x00000000025C0000-memory.dmp
          Download

          memory/6072-3871-0x00000000025B0000-0x00000000025C0000-memory.dmp
          Download

          memory/6072-0-0x00000000025B0000-0x00000000025C0000-memory.dmp
          Download

          memory/6072-2-0x00000000025B0000-0x00000000025C0000-memory.dmp
          Download