Overview

overview

10

Static

static

3

ddbc490827...d6.exe

windows7-x64

10

ddbc490827...d6.exe

windows10-2004-x64

10

Resubmissions

29/04/2024, 23:47

240429-3tbaxaea3710

29/04/2024, 23:09

240429-25jkzsdf9z10

29/04/2024, 20:59

240429-zs5xcacd6110

Analysis

  • max time kernel
    148s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/04/2024, 23:47

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General

  • Target
    ddbc4908272a1d0f339b58627a6795a7daff257470741474cc9203b9a9a56cd6.exe
  • Size 57KB
  • Sample240429-3tbaxaea37
  • SHA256 ddbc4908272a1d0f339b58627a6795a7daff257470741474cc9203b9a9a56cd6
  • 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 (628) 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\ddbc4908272a1d0f339b58627a6795a7daff257470741474cc9203b9a9a56cd6.exe
    "C:\Users\Admin\AppData\Local\Temp\ddbc4908272a1d0f339b58627a6795a7daff257470741474cc9203b9a9a56cd6.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1032
    • C:\Users\Admin\AppData\Local\Temp\2132322543.scr
      "C:\Users\Admin\AppData\Local\Temp\2132322543.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:2240
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
        • Drops file in System32 directory
        PID:4140
      • C:\ProgramData\7EC6.tmp
        "C:\ProgramData\7EC6.tmp"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of WriteProcessMemory
        PID:3512
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\7EC6.tmp >> NUL
          4⤵
            PID:4444
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
      1⤵
        PID:2496
      • C:\Windows\system32\printfilterpipelinesvc.exe
        C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
        1⤵
        • Drops file in System32 directory
        • Suspicious use of WriteProcessMemory
        PID:2856
        • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
          /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{F062F097-BBE8-4549-90FD-5EEA9EA7383F}.xps" 133589080945560000
          2⤵
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious use of SetWindowsHookEx
          PID:2704

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            BBBBBBBBBBB
            • Path C:\$Recycle.Bin\S-1-5-21-3411335054-1982420046-2118495756-1000\BBBBBBBBBBB
            • Size 129B
            • SHA256 12e73a25e1096576282684b88f33de40e8286d12c2269cf22f20d6a8d3ff6a87
            • MD5 SHA1 SHA512
            Submit Download

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

            7EC6.tmp
            • Path C:\ProgramData\7EC6.tmp
            • Size 14KB
            • SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            2132322543.scr
            • Path C:\Users\Admin\AppData\Local\Temp\2132322543.scr
            • Size 194KB
            • SHA256 41e187191625d749b89a11bc04fc0b2a3b9bd638035d05b39365c47ab36d1898
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            CCCCCCCCCCCCCC
            • Path C:\Users\Admin\AppData\Local\Temp\CCCCCCCCCCCCCC
            • Size 194KB
            • SHA256 a5dc53984dadfe324ca981fb326d8e93ff57486ab95468dcff4390e19071b3dd
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            {E402C3F1-9AE3-4518-9E17-6CB262445C6E}
            • Path C:\Users\Admin\AppData\Local\Temp\{E402C3F1-9AE3-4518-9E17-6CB262445C6E}
            • Size 4KB
            • SHA256 b5114fcc778dcf0d344ee971b5c04766d653245749f138de9eb4cd406213a245
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            Open Notebook.onetoc2
            • Path C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
            • Size 4KB
            • SHA256 2d9fe7cb884140baadfd8b2227c6c5c75b5382ee097beb37c5e55a30b8d992ce
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            DDDDDDDDDDD
            • Path F:\$RECYCLE.BIN\S-1-5-21-3411335054-1982420046-2118495756-1000\DDDDDDDDDDD
            • Size 129B
            • SHA256 24f8447b3d84ba4b3fcebe5ed6f9aade1eff24f60e4c8bcc5d7413ef2032bcbd
            • MD5 SHA1 SHA512
            Submit Download

            memory/2240-8-0x0000000003010000-0x0000000003020000-memory.dmp
            Download

            memory/2240-6-0x0000000003010000-0x0000000003020000-memory.dmp
            Download

            memory/2240-7-0x0000000003010000-0x0000000003020000-memory.dmp
            Download

            memory/2704-2834-0x00007FF92C8D0000-0x00007FF92C8E0000-memory.dmp
            Download

            memory/2704-2835-0x00007FF92C8D0000-0x00007FF92C8E0000-memory.dmp
            Download

            memory/2704-2831-0x00007FF92C8D0000-0x00007FF92C8E0000-memory.dmp
            Download

            memory/2704-2864-0x00007FF92A080000-0x00007FF92A090000-memory.dmp
            Download

            memory/2704-2865-0x00007FF92A080000-0x00007FF92A090000-memory.dmp
            Download

            memory/2704-2832-0x00007FF92C8D0000-0x00007FF92C8E0000-memory.dmp
            Download

            memory/2704-2830-0x00007FF92C8D0000-0x00007FF92C8E0000-memory.dmp
            Download