Overview

overview

10

Static

static

10

676720712.scr

windows7-x64

9

676720712.scr

windows10-2004-x64

9

Resubmissions

15/05/2024, 07:41

240515-jjdhqsff6510

15/05/2024, 06:59

240515-hr6ntaec3710

15/05/2024, 05:57

240515-gnsr4sca7z10

Analysis

  • max time kernel
    248s
  • max time network
    271s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/05/2024, 06:59

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General

  • Target
    676720712.scr
  • Size 194KB
  • Sample240515-hr6ntaec37
  • SHA256 41e187191625d749b89a11bc04fc0b2a3b9bd638035d05b39365c47ab36d1898
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
ransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (608) files with added filename extension

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

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

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

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

    spywarestealer
  • Drops desktop.ini file(s) 2 IoCs
  • 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).

  • 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
    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 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\676720712.scr
    "C:\Users\Admin\AppData\Local\Temp\676720712.scr" /S
    1⤵
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1500
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:5028
    • C:\ProgramData\7E49.tmp
      "C:\ProgramData\7E49.tmp"
      2⤵
      • Checks computer location settings
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2204
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\7E49.tmp >> NUL
        3⤵
          PID:3304
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
      1⤵
        PID:1944
      • C:\Windows\system32\printfilterpipelinesvc.exe
        C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
        1⤵
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:1652
        • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
          /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{637A2801-4037-4AC7-BBDF-691F936A231D}.xps" 133602299769380000
          2⤵
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious use of SetWindowsHookEx
          PID:2748

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            DDDDDDDDDDD
            • Path C:\$Recycle.Bin\S-1-5-21-4124900551-4068476067-3491212533-1000\DDDDDDDDDDD
            • Size 129B
            • SHA256 d6dd4b3ce464032666252f745d19f0c81bc44e76589ffcefb2fbe971a9c2527b
            • MD5 SHA1 SHA512
            Submit Download

            7E49.tmp
            • Path C:\ProgramData\7E49.tmp
            • Size 14KB
            • SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

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

            EEEEEEEEEEEEE
            • Path C:\Users\Admin\AppData\Local\Temp\EEEEEEEEEEEEE
            • Size 194KB
            • SHA256 b71d23c52ae9b86cf4fa7e2ebdfbc3770eddec153fdc4dc5bbe172d026fe4701
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            {9C60A456-B953-4064-8CB3-A1B6A29E1D1D}
            • Path C:\Users\Admin\AppData\Local\Temp\{9C60A456-B953-4064-8CB3-A1B6A29E1D1D}
            • Size 4KB
            • SHA256 00705056743b260014453e3c2b33ff55c751a33aec760eae0a2b235e4f269fd9
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            Open Notebook.onetoc2
            • Path C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
            • Size 4KB
            • SHA256 36f2cbcb8987e8c289186cc8cdcdef880c9a4382780772022fd0d8c1a2100dcb
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            DDDDDDDDDDD
            • Path F:\$RECYCLE.BIN\S-1-5-21-4124900551-4068476067-3491212533-1000\DDDDDDDDDDD
            • Size 129B
            • SHA256 d565c2ac5bf89c050d9be219aaaafbb7f46a018913e15cd2734d1472f5c69194
            • MD5 SHA1 SHA512
            Submit Download

            memory/1500-2-0x0000000002B60000-0x0000000002B70000-memory.dmp
            Download

            memory/1500-0-0x0000000002B60000-0x0000000002B70000-memory.dmp
            Download

            memory/1500-1-0x0000000002B60000-0x0000000002B70000-memory.dmp
            Download

            memory/2748-2773-0x00007FFDC46D0000-0x00007FFDC46E0000-memory.dmp
            Download

            memory/2748-2774-0x00007FFDC46D0000-0x00007FFDC46E0000-memory.dmp
            Download

            memory/2748-2771-0x00007FFDC46D0000-0x00007FFDC46E0000-memory.dmp
            Download

            memory/2748-2770-0x00007FFDC46D0000-0x00007FFDC46E0000-memory.dmp
            Download

            memory/2748-2769-0x00007FFDC46D0000-0x00007FFDC46E0000-memory.dmp
            Download

            memory/2748-2803-0x00007FFDC1E80000-0x00007FFDC1E90000-memory.dmp
            Download

            memory/2748-2804-0x00007FFDC1E80000-0x00007FFDC1E90000-memory.dmp
            Download