Overview

overview

10

Static

static

3

0cc54ffd00...85.exe

windows7-x64

10

0cc54ffd00...85.exe

windows10-2004-x64

10

Resubmissions

29/04/2024, 23:07

240429-24bhzsdf7t10

29/04/2024, 22:45

240429-2pel4add8x10

Analysis

  • max time kernel
    147s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/04/2024, 22:45

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General

  • Target
    0cc54ffd005b4d3d048e72f6d66bcc1ac5a7a511ab9ecf59dc1d2ece72c69e85.exe
  • Size 57KB
  • Sample240429-2pel4add8x
  • SHA256 0cc54ffd005b4d3d048e72f6d66bcc1ac5a7a511ab9ecf59dc1d2ece72c69e85
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
lockbitransomwarespywarestealer

Malware Config

Signatures

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

    ransomwarelockbit
  • Rule to detect Lockbit 3.0 ransomware Windows payload 1 IoCs
  • Renames multiple (585) files with added filename extension

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

    ransomware
  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 2 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 use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0cc54ffd005b4d3d048e72f6d66bcc1ac5a7a511ab9ecf59dc1d2ece72c69e85.exe
    "C:\Users\Admin\AppData\Local\Temp\0cc54ffd005b4d3d048e72f6d66bcc1ac5a7a511ab9ecf59dc1d2ece72c69e85.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:944
    • C:\Users\Admin\AppData\Local\Temp\892933605.scr
      "C:\Users\Admin\AppData\Local\Temp\892933605.scr" /S
      2⤵
      • Executes dropped EXE
      • 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:3480
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
        • Drops file in System32 directory
        PID:4532
      • C:\ProgramData\AF9A.tmp
        "C:\ProgramData\AF9A.tmp"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of WriteProcessMemory
        PID:4892
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\AF9A.tmp >> NUL
          4⤵
            PID:1164
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
      1⤵
        PID:1888
      • C:\Windows\system32\printfilterpipelinesvc.exe
        C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
        1⤵
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:4432
        • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
          /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{0DD33F93-7D34-485A-B683-891EDC8BA6C2}.xps" 133589043328550000
          2⤵
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious use of SetWindowsHookEx
          PID:2928

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            DDDDDDDDDDD
            • Path C:\$Recycle.Bin\S-1-5-21-711569230-3659488422-571408806-1000\DDDDDDDDDDD
            • Size 129B
            • SHA256 1a60d573ac8e569116d92d6fbac2163da14f65be75303eb2bf666238563553c2
            • MD5 SHA1 SHA512
            Submit Download

            MIuB4Jpci.README.txt
            • Path C:\MIuB4Jpci.README.txt
            • Size 434B
            • SHA256 192d1e6078570865531e8a4c9840a483c4a2ac35fe468107284991f6da813191
            • MD5 SHA1 SHA512
            Submit Download

            AF9A.tmp
            • Path C:\ProgramData\AF9A.tmp
            • Size 14KB
            • SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            892933605.scr
            • Path C:\Users\Admin\AppData\Local\Temp\892933605.scr
            • Size 194KB
            • SHA256 a18a6bacc0d8b1dd4544cdf1e178a98a36b575b5be8b307c27c65455b1307616
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            EEEEEEEEEEEEE
            • Path C:\Users\Admin\AppData\Local\Temp\EEEEEEEEEEEEE
            • Size 194KB
            • SHA256 eb6a7baa8fac56dedb39a64e389321e5e2c05a77b360ea3d31a873e0d9c770c2
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            Open Notebook.onetoc2
            • Path C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
            • Size 4KB
            • SHA256 594afe6e1df68ea6a29b225824ddee1c960c829d26940c3916e4280a32152dcb
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            DDDDDDDDDDD
            • Path F:\$RECYCLE.BIN\S-1-5-21-711569230-3659488422-571408806-1000\DDDDDDDDDDD
            • Size 129B
            • SHA256 0d540d425bd562c3f3811671b2007d00f4090d66f08aa1da05b4b63eadd3f1d9
            • MD5 SHA1 SHA512
            Submit Download

            memory/2928-2776-0x00007FFF627F0000-0x00007FFF62800000-memory.dmp
            Download

            memory/2928-2777-0x00007FFF627F0000-0x00007FFF62800000-memory.dmp
            Download

            memory/2928-2775-0x00007FFF627F0000-0x00007FFF62800000-memory.dmp
            Download

            memory/2928-2774-0x00007FFF627F0000-0x00007FFF62800000-memory.dmp
            Download

            memory/2928-2773-0x00007FFF627F0000-0x00007FFF62800000-memory.dmp
            Download

            memory/2928-2806-0x00007FFF60790000-0x00007FFF607A0000-memory.dmp
            Download

            memory/2928-2807-0x00007FFF60790000-0x00007FFF607A0000-memory.dmp
            Download

            memory/3480-6-0x0000000003370000-0x0000000003380000-memory.dmp
            Download

            memory/3480-8-0x0000000003370000-0x0000000003380000-memory.dmp
            Download

            memory/3480-7-0x0000000003370000-0x0000000003380000-memory.dmp
            Download