Overview

overview

10

Static

static

3

0cc54ffd00...85.exe

windows7-x64

10

0cc54ffd00...85.exe

windows10-2004-x64

10

Resubmissions

29/04/2024, 20:45

240429-zj6saacc3z10

29/04/2024, 15:59

240429-te451aee5210

Analysis

  • max time kernel
    144s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/04/2024, 15:59

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    0cc54ffd005b4d3d048e72f6d66bcc1ac5a7a511ab9ecf59dc1d2ece72c69e85.exe
  • Size 57KB
  • Sample240429-te451aee52
  • 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 (614) 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: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 14 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:3456
    • C:\Users\Admin\AppData\Local\Temp\223296673.scr
      "C:\Users\Admin\AppData\Local\Temp\223296673.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:3496
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
        • Drops file in System32 directory
        PID:1788
      • C:\ProgramData\1024.tmp
        "C:\ProgramData\1024.tmp"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of WriteProcessMemory
        PID:1912
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\1024.tmp >> NUL
          4⤵
            PID:4900
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4136 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:4308
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
        1⤵
          PID:2500
        • C:\Windows\system32\printfilterpipelinesvc.exe
          C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
          1⤵
          • Drops file in System32 directory
          • Suspicious use of WriteProcessMemory
          PID:2224
          • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
            /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{3D0C8F5E-DCF9-4642-A0D0-5061A3FCC052}.xps" 133588800232080000
            2⤵
            • Checks processor information in registry
            • Enumerates system info in registry
            • Suspicious behavior: AddClipboardFormatListener
            • Suspicious use of SetWindowsHookEx
            PID:2852

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              desktop.ini
              • Path C:\$Recycle.Bin\S-1-5-21-3808065738-1666277613-1125846146-1000\desktop.ini
              • Size 129B
              • SHA256 2eb96982e5abbd69bcc6d1ebb50b3b68a1f68c8ab0f595b2bb8fac8346ca896a
              • MD5 SHA1 SHA512
              Submit Download

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

              1024.tmp
              • Path C:\ProgramData\1024.tmp
              • Size 14KB
              • SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
              • MD5 SHA1 SHA512 SSDEEP
              Submit Download

              223296673.scr
              • Path C:\Users\Admin\AppData\Local\Temp\223296673.scr
              • Size 194KB
              • SHA256 a18a6bacc0d8b1dd4544cdf1e178a98a36b575b5be8b307c27c65455b1307616
              • MD5 SHA1 SHA512 SSDEEP
              Submit Download

              DDDDDDDDDDDDD
              • Path C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDD
              • Size 194KB
              • SHA256 b5f6de78bee77ac9499aa85630568b67ac1ea063952e754797b2c0aeb6a8f4bc
              • MD5 SHA1 SHA512 SSDEEP
              Submit Download

              {6B7A1C93-43AE-4137-93E5-8322AB61CC8B}
              • Path C:\Users\Admin\AppData\Local\Temp\{6B7A1C93-43AE-4137-93E5-8322AB61CC8B}
              • Size 4KB
              • SHA256 c3574df175feb05885083b738c70c00e377f0b0d9ae0831d6f86e351a2af9c4f
              • MD5 SHA1 SHA512 SSDEEP
              Submit Download

              Open Notebook.onetoc2
              • Path C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
              • Size 4KB
              • SHA256 348c3846c5605cab575bafe76df3860a849697bcdea17f31bf270d4c5c73e491
              • MD5 SHA1 SHA512 SSDEEP
              Submit Download

              DDDDDDDDDDD
              • Path F:\$RECYCLE.BIN\S-1-5-21-3808065738-1666277613-1125846146-1000\DDDDDDDDDDD
              • Size 129B
              • SHA256 745331eb33ddaf3b822a4c688fc1e78c11036ee2b12e0d54120a6fef05e0cabb
              • MD5 SHA1 SHA512
              Submit Download

              memory/2852-2816-0x00007FF80DC30000-0x00007FF80DC40000-memory.dmp
              Download

              memory/2852-2812-0x00007FF80DC30000-0x00007FF80DC40000-memory.dmp
              Download

              memory/2852-2813-0x00007FF80DC30000-0x00007FF80DC40000-memory.dmp
              Download

              memory/2852-2814-0x00007FF80DC30000-0x00007FF80DC40000-memory.dmp
              Download

              memory/2852-2815-0x00007FF80DC30000-0x00007FF80DC40000-memory.dmp
              Download

              memory/2852-2850-0x00007FF80B8D0000-0x00007FF80B8E0000-memory.dmp
              Download

              memory/2852-2852-0x00007FF80B8D0000-0x00007FF80B8E0000-memory.dmp
              Download

              memory/3496-2801-0x00000000029F0000-0x0000000002A00000-memory.dmp
              Download

              memory/3496-2489-0x00000000029F0000-0x0000000002A00000-memory.dmp
              Download

              memory/3496-1889-0x00000000029F0000-0x0000000002A00000-memory.dmp
              Download

              memory/3496-6-0x00000000029F0000-0x0000000002A00000-memory.dmp
              Download

              memory/3496-7-0x00000000029F0000-0x0000000002A00000-memory.dmp
              Download

              memory/3496-8-0x00000000029F0000-0x0000000002A00000-memory.dmp
              Download