Analysis

  • max time kernel
    146s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/03/2023, 04:08

General

  • Target

    04ffcbf9072d77742dcce6fcc556820bde016f8ef0d763b53377dd370fd44f78.exe

  • Size

    794KB

  • MD5

    b9320a49f1dfea47269d974fc53d7b67

  • SHA1

    8a1a959f62560d1c6862d5c920d7947fef7a7ed3

  • SHA256

    04ffcbf9072d77742dcce6fcc556820bde016f8ef0d763b53377dd370fd44f78

  • SHA512

    9cb0ac94de581e2a31d0266a9c714e4588f6ce8080d70cac59349680c69956d27ff806dd1d954594a5fc13eede00235750d56c5a3da0fd0ffbb9b1a83209c643

  • SSDEEP

    12288:WlY3u3DdTRFZLkNdIA9wli0lroM9B+V2H3kXmR09UlKAYnLmVGVu:n+BLaZ9wnFwU38p9fAIV

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .dazx

  • offline_id

    8EM6M9LqEzIk18qaQ87WiPQ1u84RRdej5V1ovht1

  • 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-vbVkogQdu2 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: 0666JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

3

Botnet

d6ef050131e7d5a1d595c51613328971

C2

https://t.me/zaskullz

https://steamcommunity.com/profiles/76561199486572327

http://135.181.87.234:80

Attributes
  • profile_id_v2

    d6ef050131e7d5a1d595c51613328971

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\04ffcbf9072d77742dcce6fcc556820bde016f8ef0d763b53377dd370fd44f78.exe
    "C:\Users\Admin\AppData\Local\Temp\04ffcbf9072d77742dcce6fcc556820bde016f8ef0d763b53377dd370fd44f78.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:836
    • C:\Users\Admin\AppData\Local\Temp\04ffcbf9072d77742dcce6fcc556820bde016f8ef0d763b53377dd370fd44f78.exe
      "C:\Users\Admin\AppData\Local\Temp\04ffcbf9072d77742dcce6fcc556820bde016f8ef0d763b53377dd370fd44f78.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4652
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\f610d15e-6a6f-4376-a350-221ad8793461" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:2020
      • C:\Users\Admin\AppData\Local\Temp\04ffcbf9072d77742dcce6fcc556820bde016f8ef0d763b53377dd370fd44f78.exe
        "C:\Users\Admin\AppData\Local\Temp\04ffcbf9072d77742dcce6fcc556820bde016f8ef0d763b53377dd370fd44f78.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1304
        • C:\Users\Admin\AppData\Local\Temp\04ffcbf9072d77742dcce6fcc556820bde016f8ef0d763b53377dd370fd44f78.exe
          "C:\Users\Admin\AppData\Local\Temp\04ffcbf9072d77742dcce6fcc556820bde016f8ef0d763b53377dd370fd44f78.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4336
          • C:\Users\Admin\AppData\Local\9b39dd50-ab71-4b43-a97f-5f93bef92f81\build2.exe
            "C:\Users\Admin\AppData\Local\9b39dd50-ab71-4b43-a97f-5f93bef92f81\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:3716
            • C:\Users\Admin\AppData\Local\9b39dd50-ab71-4b43-a97f-5f93bef92f81\build2.exe
              "C:\Users\Admin\AppData\Local\9b39dd50-ab71-4b43-a97f-5f93bef92f81\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:5108
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\9b39dd50-ab71-4b43-a97f-5f93bef92f81\build2.exe" & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:1088
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 6
                  8⤵
                  • Delays execution with timeout.exe
                  PID:3988
          • C:\Users\Admin\AppData\Local\9b39dd50-ab71-4b43-a97f-5f93bef92f81\build3.exe
            "C:\Users\Admin\AppData\Local\9b39dd50-ab71-4b43-a97f-5f93bef92f81\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:912
            • 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:4112
  • 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:4692
    • 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:1596

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

          cdc105f9b440a6e48a5668a56bb20df4

          SHA1

          3876d7213409b27f4934ef8062b2bd49ce1fd8e7

          SHA256

          6613baac61b4482d1476ef01e7f877ff4cf301375d9069d45defd5054f23b2f0

          SHA512

          52ae1d9b4d4d9fc2822c916a9fc3f46a604090cd063200e48a28d12eea73e28bec1dc3458c7baef56fe0a696b36373c29de3138214efea0e2a648cf7da7620df

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

          Filesize

          1KB

          MD5

          110cf742e7da59e417e5b51e23c5a044

          SHA1

          2fe4ee009a9a99de850dd8d6d92c9d4837f444d2

          SHA256

          ebe97ccfc0c50239665d939f865896143ffcb6921361e18dcba32b3bfa19a633

          SHA512

          117498742030a11f129b3b3281f304ad50c53dd39d638af0ad0f6234a1207efc6622d5d886806b376e7ae773feef177afc74449adbda16a40b31588017d5c4a7

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

          Filesize

          488B

          MD5

          06a5c0b5142881ca5183aceb6c0bf387

          SHA1

          64421aaf6d84853b78eb5a2332b741d8398647ba

          SHA256

          f046d31bd14e4323a9d50029fbf77e15925e715d392262759ca5f04797726ab2

          SHA512

          099fe2cbb9032ab0b5c18a57ce7320b1d0f87e98dad36aca84afa260f94168b78f281b74e726570e24b5f75db2f68dd0ed1a564544c5ace64d4616c1408b20ac

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

          Filesize

          482B

          MD5

          b0b8cfffa38f5e0ae36b7ae3f043232a

          SHA1

          e82446de49b1e84a9389c10b25beda59d46bef37

          SHA256

          dd3e78f4576109b7a90347f4f742a19686c49c4046574d847561204f48d5c5f0

          SHA512

          ff0850dc5ea1f4671111f6d6062528aa06b294927eb2a62161b4cdba30dfba75842d6be1245ea1e98108da813bbf82eea62e4080c71342fac9c5e34146db33c1

        • C:\Users\Admin\AppData\Local\9b39dd50-ab71-4b43-a97f-5f93bef92f81\build2.exe

          Filesize

          462KB

          MD5

          1ea00519a643ae1ab0f4f9a6ecc81ead

          SHA1

          551c4fd300092a51a7fd3ceee009db249fd2a70f

          SHA256

          04e8128c405994d18f26b6394b32686c6e07a65b2c90c98f16295a48a16ba683

          SHA512

          187897c856c6b7b45d9f85898103b8560d25c694c150c1c1efd1370be0c4e3ba3799d2f4c3cc5c2618b0a84f80cff19cf9be47d0961df20c47b73783f6d0491d

        • C:\Users\Admin\AppData\Local\9b39dd50-ab71-4b43-a97f-5f93bef92f81\build2.exe

          Filesize

          462KB

          MD5

          1ea00519a643ae1ab0f4f9a6ecc81ead

          SHA1

          551c4fd300092a51a7fd3ceee009db249fd2a70f

          SHA256

          04e8128c405994d18f26b6394b32686c6e07a65b2c90c98f16295a48a16ba683

          SHA512

          187897c856c6b7b45d9f85898103b8560d25c694c150c1c1efd1370be0c4e3ba3799d2f4c3cc5c2618b0a84f80cff19cf9be47d0961df20c47b73783f6d0491d

        • C:\Users\Admin\AppData\Local\9b39dd50-ab71-4b43-a97f-5f93bef92f81\build2.exe

          Filesize

          462KB

          MD5

          1ea00519a643ae1ab0f4f9a6ecc81ead

          SHA1

          551c4fd300092a51a7fd3ceee009db249fd2a70f

          SHA256

          04e8128c405994d18f26b6394b32686c6e07a65b2c90c98f16295a48a16ba683

          SHA512

          187897c856c6b7b45d9f85898103b8560d25c694c150c1c1efd1370be0c4e3ba3799d2f4c3cc5c2618b0a84f80cff19cf9be47d0961df20c47b73783f6d0491d

        • C:\Users\Admin\AppData\Local\9b39dd50-ab71-4b43-a97f-5f93bef92f81\build2.exe

          Filesize

          462KB

          MD5

          1ea00519a643ae1ab0f4f9a6ecc81ead

          SHA1

          551c4fd300092a51a7fd3ceee009db249fd2a70f

          SHA256

          04e8128c405994d18f26b6394b32686c6e07a65b2c90c98f16295a48a16ba683

          SHA512

          187897c856c6b7b45d9f85898103b8560d25c694c150c1c1efd1370be0c4e3ba3799d2f4c3cc5c2618b0a84f80cff19cf9be47d0961df20c47b73783f6d0491d

        • C:\Users\Admin\AppData\Local\9b39dd50-ab71-4b43-a97f-5f93bef92f81\build3.exe

          Filesize

          9KB

          MD5

          9ead10c08e72ae41921191f8db39bc16

          SHA1

          abe3bce01cd34afc88e2c838173f8c2bd0090ae1

          SHA256

          8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

          SHA512

          aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

        • C:\Users\Admin\AppData\Local\9b39dd50-ab71-4b43-a97f-5f93bef92f81\build3.exe

          Filesize

          9KB

          MD5

          9ead10c08e72ae41921191f8db39bc16

          SHA1

          abe3bce01cd34afc88e2c838173f8c2bd0090ae1

          SHA256

          8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

          SHA512

          aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

        • C:\Users\Admin\AppData\Local\9b39dd50-ab71-4b43-a97f-5f93bef92f81\build3.exe

          Filesize

          9KB

          MD5

          9ead10c08e72ae41921191f8db39bc16

          SHA1

          abe3bce01cd34afc88e2c838173f8c2bd0090ae1

          SHA256

          8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

          SHA512

          aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

        • C:\Users\Admin\AppData\Local\f610d15e-6a6f-4376-a350-221ad8793461\04ffcbf9072d77742dcce6fcc556820bde016f8ef0d763b53377dd370fd44f78.exe

          Filesize

          794KB

          MD5

          b9320a49f1dfea47269d974fc53d7b67

          SHA1

          8a1a959f62560d1c6862d5c920d7947fef7a7ed3

          SHA256

          04ffcbf9072d77742dcce6fcc556820bde016f8ef0d763b53377dd370fd44f78

          SHA512

          9cb0ac94de581e2a31d0266a9c714e4588f6ce8080d70cac59349680c69956d27ff806dd1d954594a5fc13eede00235750d56c5a3da0fd0ffbb9b1a83209c643

        • 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/836-136-0x0000000004980000-0x0000000004A9B000-memory.dmp

          Filesize

          1.1MB

        • memory/3716-180-0x0000000002470000-0x00000000024CD000-memory.dmp

          Filesize

          372KB

        • memory/4336-158-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4336-159-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4336-150-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4336-166-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4336-165-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4336-163-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4336-151-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4336-149-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4336-202-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4336-275-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4652-144-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4652-156-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4652-137-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4652-134-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4652-135-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/5108-181-0x0000000000400000-0x0000000000471000-memory.dmp

          Filesize

          452KB

        • memory/5108-205-0x0000000050BD0000-0x0000000050CC3000-memory.dmp

          Filesize

          972KB

        • memory/5108-273-0x0000000000400000-0x0000000000471000-memory.dmp

          Filesize

          452KB

        • memory/5108-183-0x0000000000400000-0x0000000000471000-memory.dmp

          Filesize

          452KB

        • memory/5108-276-0x0000000000400000-0x0000000000471000-memory.dmp

          Filesize

          452KB

        • memory/5108-278-0x0000000000400000-0x0000000000471000-memory.dmp

          Filesize

          452KB

        • memory/5108-279-0x0000000000400000-0x0000000000471000-memory.dmp

          Filesize

          452KB

        • memory/5108-182-0x0000000000400000-0x0000000000471000-memory.dmp

          Filesize

          452KB

        • memory/5108-178-0x0000000000400000-0x0000000000471000-memory.dmp

          Filesize

          452KB