Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    05/09/2026, 06:32

General

  • Target
    d21c71a090cd6759efc1f258b4d087e82c281ce65a9d76f20a24857901e694fc.exe
  • Size 322KB
  • Sample260905-halbjsyckf
  • SHA256 d21c71a090cd6759efc1f258b4d087e82c281ce65a9d76f20a24857901e694fc
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Path
  • C:\ProgramData\readme.txt

  • conti

Ransom Note
  • All of your files are currently encrypted by CONTI ransomware. If you try to use any additional recovery software - the files might be damaged or lost. To make sure that we REALLY CAN recover data - we offer you to decrypt samples. You can contact us for further instructions through: Our website TOR VERSION : (you should download and install TOR browser first https://torproject.org) http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/ HTTPS VERSION : https://contirecovery.top YOU SHOULD BE AWARE! Just in case, if you try to ignore us. We've downloaded your data and are ready to publish it on out news website if you do not respond. So it will be better for both sides if you contact us ASAP. ---BEGIN ID--- LBCiop0VqOZuBBpA5nE826srUH9zTB8NeLk9dWX69K4nuopOjult1Wz9EY5DwmXn ---END ID---
URLs
  • http://contirecj4hbzmyzuydyzrvm2c65blmvhoj2cvf25zqj2dwrrqcq5oad.onion/

  • https://contirecovery.top

Signatures

  • Family: Conti Ransomware

    Ransomware generally thought to be a successor to Ryuk.

  • Renames multiple (9209) files with added filename extension

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

  • Creates a file in the Startup directory 1 TTPs 1 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Drops desktop.ini file(s) 31 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 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 9 IoCs

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

  • Enumerates system info in registry 2 TTPs 9 IoCs
  • Suspicious behavior: AddClipboardFormatListener 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of SetWindowsHookEx 33 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\d21c71a090cd6759efc1f258b4d087e82c281ce65a9d76f20a24857901e694fc.exe
    "C:\Users\Admin\AppData\Local\Temp\d21c71a090cd6759efc1f258b4d087e82c281ce65a9d76f20a24857901e694fc.exe"
    1⤵
    • Creates a file in the Startup directory
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4304
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{0C36772D-FED4-44D6-BB3B-DFAC9C8AF0EC}'" delete
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:2980
      • C:\Windows\System32\wbem\WMIC.exe
        C:\Windows\System32\wbem\WMIC.exe shadowcopy where "ID='{0C36772D-FED4-44D6-BB3B-DFAC9C8AF0EC}'" delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4364
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4304 -s 2052
      2⤵
      • Program crash
      PID:4108
  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\Desktop\RemoveGet.xlsx"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:4896
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:728
  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /n "C:\Users\Admin\Desktop\WriteDebug.xltx"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1476
  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\Desktop\RemoveGet.xlsx"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2468
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4304 -ip 4304
    1⤵
      PID:1800

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          readme.txt

          • Path C:\ProgramData\readme.txt
          • Size 856B
          • SHA256 d0c542fe6e09f423e149632946be5a4ed683a0d48aa7d04288996bef70114d15
          • MD5 SHA1 SHA512 TLSH

          B76BE66D46C355931939D8CF818D03FD_39DF7432E6EF50CDA9C936E29E7DA30D

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B76BE66D46C355931939D8CF818D03FD_39DF7432E6EF50CDA9C936E29E7DA30D
          • Size 1KB
          • SHA256 ddec95efaa75c8dcbac35a44df1f95f44ca70f40bc9640986595f7bd72c97995
          • MD5 SHA1 SHA512 TLSH

          B76BE66D46C355931939D8CF818D03FD_879AFEB08DCB012707582D902977FF92

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B76BE66D46C355931939D8CF818D03FD_879AFEB08DCB012707582D902977FF92
          • Size 2KB
          • SHA256 a93b58ae24b44ad10c455d6aa3faf300e21dd97b08adf2f4f43ad2c0547f8b98
          • MD5 SHA1 SHA512 TLSH

          E2C6CBAF0AF08CF203BA74BF0D0AB6D5_EAF5D55D93603A879FA973006301F24F

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_EAF5D55D93603A879FA973006301F24F
          • Size 471B
          • SHA256 9afa67d5856d03b7425667ad59a4ed6454cd3fa4479e1c205b556b0c6b7ac929
          • MD5 SHA1 SHA512 TLSH

          B76BE66D46C355931939D8CF818D03FD_39DF7432E6EF50CDA9C936E29E7DA30D

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B76BE66D46C355931939D8CF818D03FD_39DF7432E6EF50CDA9C936E29E7DA30D
          • Size 426B
          • SHA256 e8e766dbca4060a362c423deae7c816dc620dce661f8f8325046d8f736e944b6
          • MD5 SHA1 SHA512 TLSH

          B76BE66D46C355931939D8CF818D03FD_879AFEB08DCB012707582D902977FF92

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B76BE66D46C355931939D8CF818D03FD_879AFEB08DCB012707582D902977FF92
          • Size 422B
          • SHA256 75aa354a55b63620c0aaa7a7aa52d18136e4061ae91ddadb730fec57a9dc9537
          • MD5 SHA1 SHA512 TLSH

          E2C6CBAF0AF08CF203BA74BF0D0AB6D5_EAF5D55D93603A879FA973006301F24F

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_EAF5D55D93603A879FA973006301F24F
          • Size 412B
          • SHA256 dfae489edbbd935e3bd4523c65fc7009be1f1e748fe009b480b35d884711d42f
          • MD5 SHA1 SHA512 TLSH

          Excel.CampaignStates.json

          • Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\Floodgate\Excel.CampaignStates.json
          • Size 555B
          • SHA256 c3ae5c30cb585ea0c3c2652abbd5f689e4b81fe6c92dfdcdbfd0f073ddd28193
          • MD5 SHA1 SHA512 TLSH

          Excel.CampaignStates.json

          • Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\Floodgate\Excel.CampaignStates.json
          • Size 21B
          • SHA256 138e49660d259061d8152137abd8829acdfb78b69179890beb489fe3ffe23e0c
          • MD5 SHA1 SHA512

          Excel.GovernedChannelStates.json

          • Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\Floodgate\Excel.GovernedChannelStates.json
          • Size 417B
          • SHA256 200e8cc8dd12e22c9720be73092eafb620435d4569dbdcdba9404ace2aa4343c
          • MD5 SHA1 SHA512 TLSH

          Excel.Settings.json

          • Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\Floodgate\Excel.Settings.json
          • Size 621B
          • SHA256 55af798232c10900194bae00e4b659eb306e82d779a394730da7d5d723a1400d
          • MD5 SHA1 SHA512 TLSH

          Excel.Settings.json

          • Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\Floodgate\Excel.Settings.json
          • Size 87B
          • SHA256 6034f27b0823b2a6a76fe296e851939fd05324d0af9d55f249c79af118b0eb31
          • MD5 SHA1 SHA512 TLSH

          Excel.SurveyEventActivityStats.json

          • Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\Floodgate\Excel.SurveyEventActivityStats.json
          • Size 548B
          • SHA256 1da9fb55a481f0fb122b83134d43447bdefebdff54fc0ce5a568fb4855027f2c
          • MD5 SHA1 SHA512 TLSH

          Excel.SurveyHistoryStats.json

          • Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\Floodgate\Excel.SurveyHistoryStats.json
          • Size 548B
          • SHA256 b856bfc0c17debdccde86d519a20d8bdb3cdcec63b4aec465fe7b081db387a59
          • MD5 SHA1 SHA512 TLSH

          Excel.SurveyHistoryStats.json

          • Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\Floodgate\Excel.SurveyHistoryStats.json
          • Size 14B
          • SHA256 88301f0b7e96132a2699a8bce47d120855c7f0a37054540019e3204d6bcbaba3
          • MD5 SHA1 SHA512

          9877662E-B1B0-4995-B504-B88F83DAB3D1

          • Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\WebServiceCache\AllUsers\officeclient.microsoft.com\9877662E-B1B0-4995-B504-B88F83DAB3D1
          • Size 192KB
          • SHA256 64ea31ecd0f5c9866f6abc21cb9ab26e59219c1fa8b16b6f78cca0a1102e5929
          • MD5 SHA1 SHA512 SSDEEP TLSH

          excel.exe_Rules.xml

          • Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
          • Size 1.4MB
          • SHA256 7ce0d3bb953e59ded3b5e9233fb5958f7acd68f4a7551462a68ed1b223ac6f9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          mip_sdk.miplog

          • Path C:\Users\Admin\AppData\Local\Microsoft\Office\DLP\mip\logs\mip_sdk.miplog
          • Size 15KB
          • SHA256 fca8662113a9dfe5bf5ff5ca0e4b100727e4f91836280ad354e45d01f5bab22f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          mip_sdk.miplog

          • Path C:\Users\Admin\AppData\Local\Microsoft\Office\DLP\mip\logs\mip_sdk.miplog
          • Size 14KB
          • SHA256 2f8fdad8069d0e8c47044d4c896770cf9dd01c6e4cdd0b0411c5c8c4e69b57f4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          excel.exe.db-wal

          • Path C:\Users\Admin\AppData\Local\Microsoft\Office\OTele\excel.exe.db-wal
          • Size 8KB
          • SHA256 00b68e78040752eb28c4beb97d9fbc7b18a03b5e60e19933d3faebbd7c2b7f7d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          excel.exe.db-wal

          • Path C:\Users\Admin\AppData\Local\Microsoft\Office\OTele\excel.exe.db-wal
          • Size 16KB
          • SHA256 4d8c2689164ee895df66fa293434fdabf26d0ec98497463d53d7ccd3e8c9b110
          • MD5 SHA1 SHA512 SSDEEP TLSH

          089d66ba04a8cec4bdc5267f42f39cf84278bb67.tbres

          • Path C:\Users\Admin\AppData\Local\Microsoft\TokenBroker\Cache\089d66ba04a8cec4bdc5267f42f39cf84278bb67.tbres
          • Size 2KB
          • SHA256 69151b3b2eec963850d0a662910c67e1bc3a6e9b286d44a190576d8ca928268a
          • MD5 SHA1 SHA512 TLSH

          49dbe2955480c7f6ef8cec9c4320c9868d9293fd.tbres

          • Path C:\Users\Admin\AppData\Local\Microsoft\TokenBroker\Cache\49dbe2955480c7f6ef8cec9c4320c9868d9293fd.tbres
          • Size 2KB
          • SHA256 2fa6acb303e61761abb83845f00f44cc6fc1b1646dd1bafab735c8174cfe42b2
          • MD5 SHA1 SHA512 TLSH

          RemoveGet.xlsx.LNK

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\RemoveGet.xlsx.LNK
          • Size 522B
          • SHA256 42d225a2350df79e62d7ffbe24b90156cd9eaf595522071c7ad0129e5f86ccde
          • MD5 SHA1 SHA512 TLSH

          index.dat

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
          • Size 882B
          • SHA256 58e1330ba764049a0b5d12407be1313dea35bb32e59c3cf437e8eed27e96bb75
          • MD5 SHA1 SHA512 TLSH

          index.dat

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
          • Size 348B
          • SHA256 4d5f80a826efca4de744e3aa0b9b871d9d83bed2ccbc34d28b9f43932948101d
          • MD5 SHA1 SHA512 TLSH

          b8ab77100df80ab2.customDestinations-ms

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
          • Size 1KB
          • SHA256 cf0da75194125d5c6390a79c12dde0bfb77f8bcaf3c719df1e3827836ba4dbfe
          • MD5 SHA1 SHA512 TLSH

          b8ab77100df80ab2.customDestinations-ms

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
          • Size 1KB
          • SHA256 1849fb0faa4b1ef4be23e44b0c1292d2d94ef4655fe37d0c25bcf8066fe6e304
          • MD5 SHA1 SHA512 TLSH

          memory/1476-693-0x00007FF7ED290000-0x00007FF7ED2A0000-memory.dmp

          memory/1476-695-0x00007FF7ED290000-0x00007FF7ED2A0000-memory.dmp

          memory/1476-650-0x00007FF7EB040000-0x00007FF7EB050000-memory.dmp

          memory/1476-651-0x00007FF7EB040000-0x00007FF7EB050000-memory.dmp

          memory/1476-692-0x00007FF7ED290000-0x00007FF7ED2A0000-memory.dmp

          memory/1476-694-0x00007FF7ED290000-0x00007FF7ED2A0000-memory.dmp

          memory/2468-702-0x00007FF7EB040000-0x00007FF7EB050000-memory.dmp

          memory/2468-703-0x00007FF7EB040000-0x00007FF7EB050000-memory.dmp

          memory/4304-2078-0x0000000000400000-0x0000000000461000-memory.dmp

          memory/4304-22618-0x0000000000400000-0x0000000000461000-memory.dmp

          memory/4304-22619-0x0000000000400000-0x0000000000461000-memory.dmp

          memory/4304-644-0x0000000000400000-0x0000000000461000-memory.dmp

          memory/4304-14-0x00007FF82D210000-0x00007FF82D405000-memory.dmp

          memory/4304-18002-0x0000000000400000-0x0000000000461000-memory.dmp

          memory/4304-654-0x00007FF82D210000-0x00007FF82D405000-memory.dmp

          memory/4304-6291-0x0000000000400000-0x0000000000461000-memory.dmp

          memory/4896-6-0x00007FF82D210000-0x00007FF82D405000-memory.dmp

          memory/4896-729-0x00007FF82D210000-0x00007FF82D405000-memory.dmp

          memory/4896-7-0x00007FF7ED290000-0x00007FF7ED2A0000-memory.dmp

          memory/4896-12-0x00007FF7EB040000-0x00007FF7EB050000-memory.dmp

          memory/4896-9-0x00007FF82D210000-0x00007FF82D405000-memory.dmp

          memory/4896-11-0x00007FF82D210000-0x00007FF82D405000-memory.dmp

          memory/4896-10-0x00007FF82D210000-0x00007FF82D405000-memory.dmp

          memory/4896-8-0x00007FF82D210000-0x00007FF82D405000-memory.dmp

          memory/4896-5-0x00007FF7ED290000-0x00007FF7ED2A0000-memory.dmp

          memory/4896-4-0x00007FF82D2AD000-0x00007FF82D2AE000-memory.dmp

          memory/4896-2-0x00007FF7ED290000-0x00007FF7ED2A0000-memory.dmp

          memory/4896-3-0x00007FF7ED290000-0x00007FF7ED2A0000-memory.dmp

          memory/4896-13-0x00007FF7EB040000-0x00007FF7EB050000-memory.dmp

          memory/4896-1-0x00007FF7ED290000-0x00007FF7ED2A0000-memory.dmp

          memory/4896-643-0x00007FF82D210000-0x00007FF82D405000-memory.dmp