Analysis

  • max time kernel
    146s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/03/2023, 05:17

General

  • Target

    9baf9ff7f74f50444f96813b51e830f85d626f47a1c376edeeee8a171baf2d43.exe

  • Size

    750KB

  • MD5

    d3de7bfe9de913d8f7d9d8bd1dd148d9

  • SHA1

    ad027c7a9e5ff2f28c272148509707901d455da6

  • SHA256

    9baf9ff7f74f50444f96813b51e830f85d626f47a1c376edeeee8a171baf2d43

  • SHA512

    9a20d0483c151a9f7c622de054119c152c9c5f5cf69177c0cffba51e7c7e981a3d600d078f8c61e90699b96b073e43fd6ee50297b7cd5e8590400b19fe6ec3eb

  • SSDEEP

    12288:CnOmjzFLYRTGqtW5wqiG1vQUCG/E9vC5Y8AwEekteVOlJp+Tn5IIo:IrzFERTntxqi4nCG/A8DmFpy5i

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .jycx

  • offline_id

    MEMHlobHgXqvmTWaMsLcwGZhDOd00bblO1yevst1

  • payload_url

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

    http://zexeq.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-fkW8qLaCVQ 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: 0674JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

3.2

Botnet

5df88deb5dde677ba658b77ad5f60248

C2

https://steamcommunity.com/profiles/76561199489580435

https://t.me/tabootalks

Attributes
  • profile_id_v2

    5df88deb5dde677ba658b77ad5f60248

  • user_agent

    Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79

Signatures

  • Detected Djvu ransomware 16 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
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 4 IoCs
  • 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.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9baf9ff7f74f50444f96813b51e830f85d626f47a1c376edeeee8a171baf2d43.exe
    "C:\Users\Admin\AppData\Local\Temp\9baf9ff7f74f50444f96813b51e830f85d626f47a1c376edeeee8a171baf2d43.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1664
    • C:\Users\Admin\AppData\Local\Temp\9baf9ff7f74f50444f96813b51e830f85d626f47a1c376edeeee8a171baf2d43.exe
      "C:\Users\Admin\AppData\Local\Temp\9baf9ff7f74f50444f96813b51e830f85d626f47a1c376edeeee8a171baf2d43.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4956
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\d8e820c2-304e-40f8-94b2-ca6f0a0a06e5" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:4472
      • C:\Users\Admin\AppData\Local\Temp\9baf9ff7f74f50444f96813b51e830f85d626f47a1c376edeeee8a171baf2d43.exe
        "C:\Users\Admin\AppData\Local\Temp\9baf9ff7f74f50444f96813b51e830f85d626f47a1c376edeeee8a171baf2d43.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:4852
        • C:\Users\Admin\AppData\Local\Temp\9baf9ff7f74f50444f96813b51e830f85d626f47a1c376edeeee8a171baf2d43.exe
          "C:\Users\Admin\AppData\Local\Temp\9baf9ff7f74f50444f96813b51e830f85d626f47a1c376edeeee8a171baf2d43.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2004
          • C:\Users\Admin\AppData\Local\47137448-0b85-483b-acfa-85c30ad89206\build2.exe
            "C:\Users\Admin\AppData\Local\47137448-0b85-483b-acfa-85c30ad89206\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:3308
            • C:\Users\Admin\AppData\Local\47137448-0b85-483b-acfa-85c30ad89206\build2.exe
              "C:\Users\Admin\AppData\Local\47137448-0b85-483b-acfa-85c30ad89206\build2.exe"
              6⤵
              • Checks computer location settings
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:3192
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\47137448-0b85-483b-acfa-85c30ad89206\build2.exe" & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:3960
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 6
                  8⤵
                  • Delays execution with timeout.exe
                  PID:2376
          • C:\Users\Admin\AppData\Local\47137448-0b85-483b-acfa-85c30ad89206\build3.exe
            "C:\Users\Admin\AppData\Local\47137448-0b85-483b-acfa-85c30ad89206\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:2772
            • 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:5056
  • 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:4724
    • 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:4452

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        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

          ee7ad9d8f28e0558a94e667206e8a271

          SHA1

          b49a079526da92d55f2d1bc66659836c0f90a086

          SHA256

          9eeeef2cbd8192c6586ffa64114ad0c3e8e5ab3a73817e1044895517c6eba712

          SHA512

          0c1596e7b8e54e0cce8139a339c4c34f5f9391ce0b7051673abe7a43f174f292e0d3267b1ce1186247535941b416962b6fe63cb03855ddea254cf09fddad3223

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

          Filesize

          1KB

          MD5

          6a3b8331e801f083b403b0857ed8d574

          SHA1

          48d275731f1dbd0630d1ca55a1b05f149a011d1f

          SHA256

          98651a2da4a4613bc2a03c4128926fe6b05f1af8a7a21e1fedec75db013706a0

          SHA512

          7527b8857707c8822e4b7f5049ddc9b4c49933e68535690746d84b7f0187a10f36e874719bdb1bf3ba8b035568a7cbafd687b80c4621dc35552d73f7e497071d

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

          Filesize

          488B

          MD5

          1a048f07ea8d72a6defc09a4d70f86eb

          SHA1

          9c23af04bdaa6f468423aa786ba501f6b6506fb7

          SHA256

          b3545dd08df5552fdb249870347562a1e0610abc1504d79648fed4bc851b4120

          SHA512

          27accf06d33acbc1a042b04e3e96a848a3677abf59e0536fa920e5bc6e9ad62b5df2663cd6c7cb8c429c9b806da23b694a9265e7e584cdaf747cc85f1a2f1a62

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

          Filesize

          482B

          MD5

          29e66d71510864f93a2483139643c32b

          SHA1

          8cebff75df95a7163f2e08ed26983d2744ad7cb8

          SHA256

          28c7eaaf670fb39db4dbf6417962b848099c2a0dae9569b626f8a251d37a0fcf

          SHA512

          e4b16a73470f179f2a9233af89e33747365baeaef0c0c47d8da54c409d09b65ba837def303d86f3223e14c56d6d6b9e3176a899bb808410aaa9c8fdce72b3abd

        • C:\Users\Admin\AppData\Local\47137448-0b85-483b-acfa-85c30ad89206\build2.exe

          Filesize

          416KB

          MD5

          aa18968e6cfbdc382ada6a3ed2852085

          SHA1

          4a41fa1a182916d5790aa2071106b3441d64468d

          SHA256

          c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

          SHA512

          8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

        • C:\Users\Admin\AppData\Local\47137448-0b85-483b-acfa-85c30ad89206\build2.exe

          Filesize

          416KB

          MD5

          aa18968e6cfbdc382ada6a3ed2852085

          SHA1

          4a41fa1a182916d5790aa2071106b3441d64468d

          SHA256

          c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

          SHA512

          8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

        • C:\Users\Admin\AppData\Local\47137448-0b85-483b-acfa-85c30ad89206\build2.exe

          Filesize

          416KB

          MD5

          aa18968e6cfbdc382ada6a3ed2852085

          SHA1

          4a41fa1a182916d5790aa2071106b3441d64468d

          SHA256

          c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

          SHA512

          8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

        • C:\Users\Admin\AppData\Local\47137448-0b85-483b-acfa-85c30ad89206\build2.exe

          Filesize

          416KB

          MD5

          aa18968e6cfbdc382ada6a3ed2852085

          SHA1

          4a41fa1a182916d5790aa2071106b3441d64468d

          SHA256

          c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb

          SHA512

          8ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845

        • C:\Users\Admin\AppData\Local\47137448-0b85-483b-acfa-85c30ad89206\build3.exe

          Filesize

          9KB

          MD5

          9ead10c08e72ae41921191f8db39bc16

          SHA1

          abe3bce01cd34afc88e2c838173f8c2bd0090ae1

          SHA256

          8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

          SHA512

          aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

        • C:\Users\Admin\AppData\Local\47137448-0b85-483b-acfa-85c30ad89206\build3.exe

          Filesize

          9KB

          MD5

          9ead10c08e72ae41921191f8db39bc16

          SHA1

          abe3bce01cd34afc88e2c838173f8c2bd0090ae1

          SHA256

          8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

          SHA512

          aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

        • C:\Users\Admin\AppData\Local\47137448-0b85-483b-acfa-85c30ad89206\build3.exe

          Filesize

          9KB

          MD5

          9ead10c08e72ae41921191f8db39bc16

          SHA1

          abe3bce01cd34afc88e2c838173f8c2bd0090ae1

          SHA256

          8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

          SHA512

          aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

        • C:\Users\Admin\AppData\Local\d8e820c2-304e-40f8-94b2-ca6f0a0a06e5\9baf9ff7f74f50444f96813b51e830f85d626f47a1c376edeeee8a171baf2d43.exe

          Filesize

          750KB

          MD5

          d3de7bfe9de913d8f7d9d8bd1dd148d9

          SHA1

          ad027c7a9e5ff2f28c272148509707901d455da6

          SHA256

          9baf9ff7f74f50444f96813b51e830f85d626f47a1c376edeeee8a171baf2d43

          SHA512

          9a20d0483c151a9f7c622de054119c152c9c5f5cf69177c0cffba51e7c7e981a3d600d078f8c61e90699b96b073e43fd6ee50297b7cd5e8590400b19fe6ec3eb

        • 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/1664-136-0x0000000002300000-0x000000000241B000-memory.dmp

          Filesize

          1.1MB

        • memory/2004-157-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2004-166-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2004-165-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2004-275-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2004-163-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2004-159-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2004-158-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2004-151-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2004-152-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2004-192-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/3192-182-0x0000000000400000-0x000000000046C000-memory.dmp

          Filesize

          432KB

        • memory/3192-276-0x0000000000400000-0x000000000046C000-memory.dmp

          Filesize

          432KB

        • memory/3192-180-0x0000000000400000-0x000000000046C000-memory.dmp

          Filesize

          432KB

        • memory/3192-278-0x0000000000400000-0x000000000046C000-memory.dmp

          Filesize

          432KB

        • memory/3192-178-0x0000000000400000-0x000000000046C000-memory.dmp

          Filesize

          432KB

        • memory/3192-205-0x0000000061E00000-0x0000000061EF3000-memory.dmp

          Filesize

          972KB

        • memory/3192-183-0x0000000000400000-0x000000000046C000-memory.dmp

          Filesize

          432KB

        • memory/3192-274-0x0000000000400000-0x000000000046C000-memory.dmp

          Filesize

          432KB

        • memory/3308-181-0x0000000002DF0000-0x0000000002E47000-memory.dmp

          Filesize

          348KB

        • memory/4956-137-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4956-134-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4956-135-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4956-138-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4956-147-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB