Analysis

  • max time kernel
    112s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    15/09/2024, 00:36

General

  • Target
    105912c9995a1d718c5442349d2cc4bb99426f75ff34554cdfd9a7272eeca398.exe
  • Size 146KB
  • Sample240915-ayd85swdkd
  • SHA256 105912c9995a1d718c5442349d2cc4bb99426f75ff34554cdfd9a7272eeca398
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Path
  • C:\RCl10Ol9q.README.txt

Ransom Note
  • ~~~ LockBit Black Ransomware Since 2024~~~ >>>> Your data are stolen and encrypted Price = 2000 $ Bitcoin = 328N9mKT6xFe6uTvtpxeKSymgWCbbTGbK2 Email = [email protected] Email = [email protected] >>>> What guarantees that we will not deceive you? We are not a politically motivated group and we do not need anything other than your money. If you pay, we will provide you the programs for decryption and we will delete your data. Life is too short to be sad. Be not sad, money, it is only paper. If we do not give you decrypters, or we do not delete your data after payment, then nobody will pay us in the future. Therefore to us our reputation is very important. We attack the companies worldwide and there is no dissatisfied victim after payment. >>>> Your personal DECRYPTION ID: WERTYFG34A48MK4D6D525F3F372263313 + ID Number.README.txt >>>> Warning! Do not DELETE or MODIFY any files, it can lead to recovery problems! >>>> Warning! If you do not pay the ransom we will attack your company repeatedly again!
Wallets
  • 328N9mKT6xFe6uTvtpxeKSymgWCbbTGbK2

Signatures

  • Renames multiple (10646) files with added filename extension

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops desktop.ini file(s) 2 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in System32 directory 4 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Program Files directory 64 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.

  • Checks processor information in registry 2 TTPs 4 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies Control Panel 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 32 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\105912c9995a1d718c5442349d2cc4bb99426f75ff34554cdfd9a7272eeca398.exe
    "C:\Users\Admin\AppData\Local\Temp\105912c9995a1d718c5442349d2cc4bb99426f75ff34554cdfd9a7272eeca398.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1392
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:2372
    • C:\ProgramData\8691.tmp
      "C:\ProgramData\8691.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:928
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\8691.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1456
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Checks processor information in registry
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:2132
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
    • Loads dropped DLL
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3828
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:2128
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:4220
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{6963CE1D-316B-43BC-894E-9C517949B64D}.xps" 133708342594770000
        2⤵
          PID:4952

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            EEEEEEEEEEE

            • Path C:\$Recycle.Bin\S-1-5-21-661032028-162657920-1226909816-1000\EEEEEEEEEEE
            • Size 129B
            • SHA256 73b6d74d89c16b1773c434d574b201cf46586ec6f0e5a6d7859962a691720580
            • MD5 SHA1 SHA512

            oledb32r.dll.mui

            • Path C:\Program Files\Common Files\System\Ole DB\en-US\oledb32r.dll.mui
            • Size 47KB
            • SHA256 01d846651cd236f52898e227ebc3714c5db6f06c25a95de45311d4c78e6dc93e
            • MD5 SHA1 SHA512 SSDEEP

            sqloledb.rll.mui

            • Path C:\Program Files\Common Files\System\Ole DB\en-US\sqloledb.rll.mui
            • Size 43KB
            • SHA256 770a0a662a0d435aa0082b5dd060011c0dcd30e285c557fb07b7d634d018840e
            • MD5 SHA1 SHA512 SSDEEP

            msader15.dll.mui

            • Path C:\Program Files\Common Files\System\ado\en-US\msader15.dll.mui
            • Size 17KB
            • SHA256 edddcda06a5a44aff87f687358d3d9fbb6e8c2e7d268ee857bc8ff967c26ad8f
            • MD5 SHA1 SHA512 SSDEEP

            wab32res.dll.mui

            • Path C:\Program Files\Common Files\System\en-US\wab32res.dll.mui
            • Size 92KB
            • SHA256 5604cd3ae7edfbd11341dd0b7a38c3128ac01027befb293d136fa9304906aa5f
            • MD5 SHA1 SHA512 SSDEEP

            msadcer.dll.mui

            • Path C:\Program Files\Common Files\System\msadc\en-US\msadcer.dll.mui
            • Size 10KB
            • SHA256 fb39ad8b5d35161423080e97c6632bda26fcf2bcc35ca5454ada623bd434bc05
            • MD5 SHA1 SHA512 SSDEEP

            msdaprsr.dll.mui

            • Path C:\Program Files\Common Files\System\msadc\en-US\msdaprsr.dll.mui
            • Size 7KB
            • SHA256 652830dc5991285c5f9fd94ffd1fafe04910566793ebab22456b96086c1da6ba
            • MD5 SHA1 SHA512 SSDEEP

            InkObj.dll.mui

            • Path C:\Program Files\Common Files\microsoft shared\ink\en-US\InkObj.dll.mui
            • Size 5KB
            • SHA256 c58ee3ab4247214aea3498fbcbf61d1818351f27e3c9957e8751274ac6928307
            • MD5 SHA1 SHA512 SSDEEP

            TipRes.dll.mui

            • Path C:\Program Files\Common Files\microsoft shared\ink\en-US\TipRes.dll.mui
            • Size 24KB
            • SHA256 1d1b156ae1d5d9d03dc90af44244bf57e242ef75c056cace0c3fb6e34c957cbd
            • MD5 SHA1 SHA512 SSDEEP

            TipTsf.dll.mui

            • Path C:\Program Files\Common Files\microsoft shared\ink\en-US\TipTsf.dll.mui
            • Size 3KB
            • SHA256 d0845cbc51797b8c9f9ef6339777e6182dbcf4eb682d60bb47f869a395b33c1a
            • MD5 SHA1 SHA512

            micaut.dll.mui

            • Path C:\Program Files\Common Files\microsoft shared\ink\en-US\micaut.dll.mui
            • Size 9KB
            • SHA256 e10f28372f89bdc9811cc801bf70b6f1876fa494cb92dcba5fb8205ce6be68d1
            • MD5 SHA1 SHA512 SSDEEP

            rtscom.dll.mui

            • Path C:\Program Files\Common Files\microsoft shared\ink\en-US\rtscom.dll.mui
            • Size 3KB
            • SHA256 bf5a64b89b0c54c6f8ac01eac9678217d6441e64c30f0a1e0d265a277cd69f1c
            • MD5 SHA1 SHA512

            iexplore.exe.mui

            • Path C:\Program Files\Internet Explorer\en-US\iexplore.exe.mui
            • Size 5KB
            • SHA256 a19d79eaffb20d919418a8db220557a430da1606c8d83f9df497d5ecffa92718
            • MD5 SHA1 SHA512 SSDEEP

            WMPMediaSharing.dll.mui

            • Path C:\Program Files\Windows Media Player\en-US\WMPMediaSharing.dll.mui
            • Size 3KB
            • SHA256 bea10bc1fd639d4dba282bba82fbbcef4f10f12e98301134c9a4ce042cd0657a
            • MD5 SHA1 SHA512

            mpvis.dll.mui

            • Path C:\Program Files\Windows Media Player\en-US\mpvis.dll.mui
            • Size 3KB
            • SHA256 2cce689a0382e12c1833a8b03c96d219f4d8004da3c9f9ab9f77b7ab407c243a
            • MD5 SHA1 SHA512

            setup_wm.exe.mui

            • Path C:\Program Files\Windows Media Player\en-US\setup_wm.exe.mui
            • Size 53KB
            • SHA256 cc4a298d8cfbcf46de165a90cdff3a376b35a6f7ebb60032cd51d3ad959276b5
            • MD5 SHA1 SHA512 SSDEEP

            wmplayer.exe.mui

            • Path C:\Program Files\Windows Media Player\en-US\wmplayer.exe.mui
            • Size 3KB
            • SHA256 e15c328397e97615034179b6abb466bcf6d7b40316b16633b5caefce42f5e938
            • MD5 SHA1 SHA512

            wmpnssci.dll.mui

            • Path C:\Program Files\Windows Media Player\en-US\wmpnssci.dll.mui
            • Size 4KB
            • SHA256 5fbabffbad29a1a30497c5f0af2d4d809b9e2c54109f724b7de44a46862381d7
            • MD5 SHA1 SHA512 SSDEEP

            wmpnssui.dll.mui

            • Path C:\Program Files\Windows Media Player\en-US\wmpnssui.dll.mui
            • Size 3KB
            • SHA256 c6884333eba83b13f4ec42dbba11032d806b9415aff6cc9d6c8022d3e0f4afad
            • MD5 SHA1 SHA512

            wordpad.exe.mui

            • Path C:\Program Files\Windows NT\Accessories\en-US\wordpad.exe.mui
            • Size 49KB
            • SHA256 ca72dfa68e238181d83101e4754985069577e06963baf07c2995ab94ac6bf656
            • MD5 SHA1 SHA512 SSDEEP

            TableTextService.dll.mui

            • Path C:\Program Files\Windows NT\TableTextService\en-US\TableTextService.dll.mui
            • Size 8KB
            • SHA256 19066910c2f6c4c91f45d606e69083b61843de931fc3eb34924e5c83a533d101
            • MD5 SHA1 SHA512 SSDEEP

            PhotoViewer.dll.mui

            • Path C:\Program Files\Windows Photo Viewer\en-US\PhotoViewer.dll.mui
            • Size 16KB
            • SHA256 2246ca61eea1c587e46feb63b1a3219bc572772fe19342f1b46001f98c89c4e9
            • MD5 SHA1 SHA512 SSDEEP

            msvcp140_app.dll

            • Path C:\Program Files\WindowsApps\Microsoft.VCLibs.140.00_14.0.29231.0_x64__8wekyb3d8bbwe\msvcp140_app.dll
            • Size 555KB
            • SHA256 e2d7fa8b60d6fcf8d9afe7d50fdd6f6f3b5d3202e86635db01b6d732e8107e33
            • MD5 SHA1 SHA512 SSDEEP

            vccorlib140_app.dll

            • Path C:\Program Files\WindowsApps\Microsoft.VCLibs.140.00_14.0.29231.0_x64__8wekyb3d8bbwe\vccorlib140_app.dll
            • Size 319KB
            • SHA256 7abf4f426525438d6a14b2b653c1ba5c5eea8af774707a47b1c9d7e44156ebde
            • MD5 SHA1 SHA512 SSDEEP

            vcruntime140_1_app.dll

            • Path C:\Program Files\WindowsApps\Microsoft.VCLibs.140.00_14.0.29231.0_x64__8wekyb3d8bbwe\vcruntime140_1_app.dll
            • Size 35KB
            • SHA256 6db75fdc6cbb380ee2644ae09f57378c761568b10912db6baa069f0fbf482f1a
            • MD5 SHA1 SHA512 SSDEEP

            vcruntime140_app.dll

            • Path C:\Program Files\WindowsApps\Microsoft.VCLibs.140.00_14.0.29231.0_x64__8wekyb3d8bbwe\vcruntime140_app.dll
            • Size 92KB
            • SHA256 3c850de2119d6311dff3e575797a476011d8272007d7dc82ae47771c9811d2a4
            • MD5 SHA1 SHA512 SSDEEP

            8691.tmp

            • Path C:\ProgramData\8691.tmp
            • Size 14KB
            • SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
            • MD5 SHA1 SHA512 SSDEEP

            RCl10Ol9q.README.txt

            • Path C:\RCl10Ol9q.README.txt
            • Size 1KB
            • SHA256 ce7e57b1ee943eeb6ec10d4556da9b16f2cb02401109d60590bb8f78ddbde478
            • MD5 SHA1 SHA512

            StartUnifiedTileModelCache.dat

            • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\StartUnifiedTileModelCache.dat
            • Size 14KB
            • SHA256 34a46763c6e611a919964cd7b518935308220cc995931f30c9556caee23f4c82
            • MD5 SHA1 SHA512 SSDEEP

            StartUnifiedTileModelCache.dat

            • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\StartUnifiedTileModelCache.dat
            • Size 17KB
            • SHA256 d0d012478f51a621689124f2bb212e28bc1404027861c8f6724efa371e90fce2
            • MD5 SHA1 SHA512 SSDEEP

            www.bing[1].xml

            • Path C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\6TE31N54\www.bing[1].xml
            • Size 2KB
            • SHA256 510dd19bfa96cbc550fc6f76b14c2186afa6cfa5e7afc4f176d66ea6634b2e29
            • MD5 SHA1 SHA512

            www.bing[1].xml

            • Path C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\6TE31N54\www.bing[1].xml
            • Size 19KB
            • SHA256 ad801dd8767b76e9d6895a2fa542cefa5e8c52e143bb4e526ee6781a4561322a
            • MD5 SHA1 SHA512 SSDEEP

            SearchUnifiedTileModelCache.dat

            • Path C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchUnifiedTileModelCache.dat
            • Size 10KB
            • SHA256 cf338db863dd86bfcb7f14b5d6f511488b97fbb6ea9bffa88ca9d5576c89e517
            • MD5 SHA1 SHA512 SSDEEP

            SearchUnifiedTileModelCache.dat

            • Path C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchUnifiedTileModelCache.dat
            • Size 11KB
            • SHA256 88b4cb4348ca01951fe9712ef654ff9e94ae652b056175955901b22dbc0b18a1
            • MD5 SHA1 SHA512 SSDEEP

            SettingsCache.txt

            • Path C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SettingsCache.txt
            • Size 846KB
            • SHA256 9111e9a5093f97e15510bf3d3dc36fd4a736981215f79540454ce86893993fdc
            • MD5 SHA1 SHA512 SSDEEP

            EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE

            • Path C:\Users\Admin\AppData\Local\Temp\EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
            • Size 146KB
            • SHA256 4c4de3695174894f651fefb45751b0c733af99bf4fe4ddfeefd4e037227ab0c5
            • MD5 SHA1 SHA512 SSDEEP

            DDDDDDDDDDD

            • Path F:\$RECYCLE.BIN\S-1-5-21-661032028-162657920-1226909816-1000\DDDDDDDDDDD
            • Size 129B
            • SHA256 68218650056038cb5ec9d4f3dcbbf1c6a6ee8d8d4040231f13b12ed418548a5f
            • MD5 SHA1 SHA512

            memory/1392-9987-0x0000000002DD0000-0x0000000002DE0000-memory.dmp

            memory/1392-1-0x0000000002DD0000-0x0000000002DE0000-memory.dmp

            memory/1392-2-0x0000000002DD0000-0x0000000002DE0000-memory.dmp

            memory/1392-0-0x0000000002DD0000-0x0000000002DE0000-memory.dmp

            memory/1392-8050-0x0000000002DD0000-0x0000000002DE0000-memory.dmp

            memory/1392-9071-0x0000000002DD0000-0x0000000002DE0000-memory.dmp

            memory/2132-6235-0x000001BDC9780000-0x000001BDC9781000-memory.dmp

            memory/2132-6241-0x000001BDC9780000-0x000001BDC9781000-memory.dmp

            memory/2132-6148-0x000001BDC9780000-0x000001BDC9781000-memory.dmp

            memory/2132-6144-0x000001BDC9780000-0x000001BDC9781000-memory.dmp

            memory/2132-6236-0x000001BDC9780000-0x000001BDC9781000-memory.dmp

            memory/2132-6237-0x000001BDC9780000-0x000001BDC9781000-memory.dmp

            memory/2132-6238-0x000001BDC9780000-0x000001BDC9781000-memory.dmp

            memory/2132-6240-0x000001BDC9780000-0x000001BDC9781000-memory.dmp

            memory/2132-6239-0x000001BDC9780000-0x000001BDC9781000-memory.dmp

            memory/2132-6149-0x000001BDC9780000-0x000001BDC9781000-memory.dmp

            memory/3828-21384-0x000001E43C980000-0x000001E43C9A0000-memory.dmp

            memory/3828-21397-0x000001E43C860000-0x000001E43C880000-memory.dmp

            memory/3828-21398-0x000001E43C7E0000-0x000001E43C800000-memory.dmp

            memory/3828-21495-0x000001E450CE0000-0x000001E450DE0000-memory.dmp

            memory/3828-21385-0x000001E43C9C0000-0x000001E43CAC0000-memory.dmp

            memory/3828-21353-0x000001E42B6F0000-0x000001E42B7F0000-memory.dmp

            memory/3828-21352-0x000001E43BE00000-0x000001E43BF00000-memory.dmp

            memory/3828-21357-0x000001E43C680000-0x000001E43C780000-memory.dmp