Analysis

  • max time kernel
    142s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2022, 10:36

General

  • Target

    dbde3c67caf0a7732188972c0dbcd583284cc9938c17be547e7e9da42c9607c0.exe

  • Size

    664KB

  • MD5

    f175e035866877d4dabe2b07cddccf9c

  • SHA1

    8b04ad8215238d91a2e91b3803619e1ddf1d99fd

  • SHA256

    dbde3c67caf0a7732188972c0dbcd583284cc9938c17be547e7e9da42c9607c0

  • SHA512

    84717800c6099c668d2a6ad675c855fbd05a6ea5141cd9fd3c693c2c53e23d837214b4bcffd71e22adac2364c3e602668ee2bd67f4a6d32a2712d9ea92ce32f6

  • SSDEEP

    12288:WLJ+E1/eHyONiRajd960OkaVaBecfx0IYzZJ7lSnFU7o2Cq7spKy9SCWlEgUa:Wl+C/eHyOAGAkaVqeiiZH+FU7345Wug5

Malware Config

Extracted

Family

djvu

C2

http://winnlinne.com/test1/get.php

Attributes
  • extension

    .adlg

  • offline_id

    z8lhl4oForVEc7gy9Ra8rSqjYMl3xiFRuIW4not1

  • payload_url

    http://rgyui.top/dl/build2.exe

    http://winnlinne.com/files/1/build3.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-g28rVcqA58 Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0570Jhyjd

rsa_pubkey.plain

Extracted

Family

vidar

Version

54.7

Botnet

517

C2

https://t.me/trampapanam

https://nerdculture.de/@yoxhyp

Attributes
  • profile_id

    517

Signatures

  • Detected Djvu ransomware 10 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dbde3c67caf0a7732188972c0dbcd583284cc9938c17be547e7e9da42c9607c0.exe
    "C:\Users\Admin\AppData\Local\Temp\dbde3c67caf0a7732188972c0dbcd583284cc9938c17be547e7e9da42c9607c0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4936
    • C:\Users\Admin\AppData\Local\Temp\dbde3c67caf0a7732188972c0dbcd583284cc9938c17be547e7e9da42c9607c0.exe
      "C:\Users\Admin\AppData\Local\Temp\dbde3c67caf0a7732188972c0dbcd583284cc9938c17be547e7e9da42c9607c0.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2256
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\703ecfb1-48de-45bc-b833-bc8953668ab2" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:2720
      • C:\Users\Admin\AppData\Local\Temp\dbde3c67caf0a7732188972c0dbcd583284cc9938c17be547e7e9da42c9607c0.exe
        "C:\Users\Admin\AppData\Local\Temp\dbde3c67caf0a7732188972c0dbcd583284cc9938c17be547e7e9da42c9607c0.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1996
        • C:\Users\Admin\AppData\Local\Temp\dbde3c67caf0a7732188972c0dbcd583284cc9938c17be547e7e9da42c9607c0.exe
          "C:\Users\Admin\AppData\Local\Temp\dbde3c67caf0a7732188972c0dbcd583284cc9938c17be547e7e9da42c9607c0.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4084
          • C:\Users\Admin\AppData\Local\a70c2de7-67e0-42ac-82e1-3dedb121fb9f\build2.exe
            "C:\Users\Admin\AppData\Local\a70c2de7-67e0-42ac-82e1-3dedb121fb9f\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:2888
            • C:\Users\Admin\AppData\Local\a70c2de7-67e0-42ac-82e1-3dedb121fb9f\build2.exe
              "C:\Users\Admin\AppData\Local\a70c2de7-67e0-42ac-82e1-3dedb121fb9f\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              PID:3824
          • C:\Users\Admin\AppData\Local\a70c2de7-67e0-42ac-82e1-3dedb121fb9f\build3.exe
            "C:\Users\Admin\AppData\Local\a70c2de7-67e0-42ac-82e1-3dedb121fb9f\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:4584
            • C:\Windows\SysWOW64\schtasks.exe
              /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
              6⤵
              • Creates scheduled task(s)
              PID:4336
  • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:4320
    • C:\Windows\SysWOW64\schtasks.exe
      /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
      2⤵
      • Creates scheduled task(s)
      PID:1976

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\mozglue.dll

          Filesize

          593KB

          MD5

          c8fd9be83bc728cc04beffafc2907fe9

          SHA1

          95ab9f701e0024cedfbd312bcfe4e726744c4f2e

          SHA256

          ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

          SHA512

          fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

        • C:\ProgramData\nss3.dll

          Filesize

          2.0MB

          MD5

          1cc453cdf74f31e4d913ff9c10acdde2

          SHA1

          6e85eae544d6e965f15fa5c39700fa7202f3aafe

          SHA256

          ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

          SHA512

          dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D

          Filesize

          2KB

          MD5

          596d2fdcebb9285d08c83e8c66f21dc9

          SHA1

          d634a64d292467c4fe9f1b2b80ac3bf82a08d49f

          SHA256

          0231bc4602667ff24bfa1caab1d56c225a54031c452c9de84b810be18628a3e3

          SHA512

          fd0399c36455095561381c33ba0f6f98496dc2fd63792f148ec9dfbc06ed6ad24a6bf9aa7f559dba7f257ccd145ee8532418606c2eb282a42ca678de4231d818

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

          Filesize

          1KB

          MD5

          b6f52795b677b4e2ad47736ffe3704a5

          SHA1

          945cb962aae5a0986c476650006227debf93b51c

          SHA256

          c8aff1f15506340e6abd76c8a8382e9caeba4fa8e8483254cf7ab9d22c2a57fe

          SHA512

          1e241b4c9bf53a97c980dd09bc73abcaf05ed8ccc641d5b0ad1eadc4502b4c1519b62d9c51f8e38c73898c2eca4a4a2e81777763731bf0f36dc5c04a30ae0450

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D

          Filesize

          488B

          MD5

          8ac44ddf4430f53e6af135c0820151e7

          SHA1

          f6fc675d392e5cf2303af6d79a4b2437031f5a72

          SHA256

          ad37671f1b760cc26d1ac78591fe304c0233392f4d046d5a14a4cbf9d050f7cf

          SHA512

          a6ba28f161aab453a03c2788606f328d8d4739f327bffadaf2fa00fd412b70e7aea612c2a7d2ad592b2b1a566f69322c2007ddd6ea379b63e1002857f85534db

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

          Filesize

          482B

          MD5

          5f4c4d29662dce13dca4340122994a87

          SHA1

          7421970607566ba0160d9fb4a898d00b1b686a58

          SHA256

          04ad971ca45736738dc5c6d285555e01e350763861aa88957ee392d1c6f8918d

          SHA512

          54a7c111fc1bd26fe88c028c972bdd5e0bfd25dfd25a96dd4992a01603986952c26c93aadd029a1a60744d7402ee327e5dd292b4f7fd9fcf5293060d9bc18f48

        • C:\Users\Admin\AppData\Local\703ecfb1-48de-45bc-b833-bc8953668ab2\dbde3c67caf0a7732188972c0dbcd583284cc9938c17be547e7e9da42c9607c0.exe

          Filesize

          664KB

          MD5

          f175e035866877d4dabe2b07cddccf9c

          SHA1

          8b04ad8215238d91a2e91b3803619e1ddf1d99fd

          SHA256

          dbde3c67caf0a7732188972c0dbcd583284cc9938c17be547e7e9da42c9607c0

          SHA512

          84717800c6099c668d2a6ad675c855fbd05a6ea5141cd9fd3c693c2c53e23d837214b4bcffd71e22adac2364c3e602668ee2bd67f4a6d32a2712d9ea92ce32f6

        • C:\Users\Admin\AppData\Local\a70c2de7-67e0-42ac-82e1-3dedb121fb9f\build2.exe

          Filesize

          418KB

          MD5

          bc47d3a0d4a74adc40b3a7035344becb

          SHA1

          dd80bbe70106b62ea58924173a364cc936a0b1f4

          SHA256

          06d1366df3628a010416384f7c77c493ac35f13ee05e010751708d681ebe5169

          SHA512

          4a4ef35c5fcbfc5a6b86dd6235f8b1b4f048ee5b5bd74fd9173a65cd450ec0f58fcf74f5fd2e58dd5dee486c0e41c2523cd6d7528d56fc2627fbdf8b598a29e4

        • C:\Users\Admin\AppData\Local\a70c2de7-67e0-42ac-82e1-3dedb121fb9f\build2.exe

          Filesize

          418KB

          MD5

          bc47d3a0d4a74adc40b3a7035344becb

          SHA1

          dd80bbe70106b62ea58924173a364cc936a0b1f4

          SHA256

          06d1366df3628a010416384f7c77c493ac35f13ee05e010751708d681ebe5169

          SHA512

          4a4ef35c5fcbfc5a6b86dd6235f8b1b4f048ee5b5bd74fd9173a65cd450ec0f58fcf74f5fd2e58dd5dee486c0e41c2523cd6d7528d56fc2627fbdf8b598a29e4

        • C:\Users\Admin\AppData\Local\a70c2de7-67e0-42ac-82e1-3dedb121fb9f\build2.exe

          Filesize

          418KB

          MD5

          bc47d3a0d4a74adc40b3a7035344becb

          SHA1

          dd80bbe70106b62ea58924173a364cc936a0b1f4

          SHA256

          06d1366df3628a010416384f7c77c493ac35f13ee05e010751708d681ebe5169

          SHA512

          4a4ef35c5fcbfc5a6b86dd6235f8b1b4f048ee5b5bd74fd9173a65cd450ec0f58fcf74f5fd2e58dd5dee486c0e41c2523cd6d7528d56fc2627fbdf8b598a29e4

        • C:\Users\Admin\AppData\Local\a70c2de7-67e0-42ac-82e1-3dedb121fb9f\build3.exe

          Filesize

          9KB

          MD5

          9ead10c08e72ae41921191f8db39bc16

          SHA1

          abe3bce01cd34afc88e2c838173f8c2bd0090ae1

          SHA256

          8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

          SHA512

          aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

        • C:\Users\Admin\AppData\Local\a70c2de7-67e0-42ac-82e1-3dedb121fb9f\build3.exe

          Filesize

          9KB

          MD5

          9ead10c08e72ae41921191f8db39bc16

          SHA1

          abe3bce01cd34afc88e2c838173f8c2bd0090ae1

          SHA256

          8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

          SHA512

          aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

        • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

          Filesize

          9KB

          MD5

          9ead10c08e72ae41921191f8db39bc16

          SHA1

          abe3bce01cd34afc88e2c838173f8c2bd0090ae1

          SHA256

          8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

          SHA512

          aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

        • C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe

          Filesize

          9KB

          MD5

          9ead10c08e72ae41921191f8db39bc16

          SHA1

          abe3bce01cd34afc88e2c838173f8c2bd0090ae1

          SHA256

          8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

          SHA512

          aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

        • memory/1996-146-0x000000000220A000-0x000000000229B000-memory.dmp

          Filesize

          580KB

        • memory/2256-142-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2256-138-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2256-137-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2256-136-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2256-135-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2888-164-0x00000000004CF000-0x00000000004F9000-memory.dmp

          Filesize

          168KB

        • memory/2888-165-0x00000000007F0000-0x0000000000837000-memory.dmp

          Filesize

          284KB

        • memory/3824-167-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB

        • memory/3824-189-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB

        • memory/3824-161-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB

        • memory/3824-168-0x0000000061E00000-0x0000000061EF3000-memory.dmp

          Filesize

          972KB

        • memory/3824-166-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB

        • memory/3824-163-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB

        • memory/4084-145-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4084-152-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4084-188-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4084-147-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4936-132-0x00000000006DA000-0x000000000076B000-memory.dmp

          Filesize

          580KB

        • memory/4936-133-0x00000000023D0000-0x00000000024EB000-memory.dmp

          Filesize

          1.1MB