Analysis

  • max time kernel
    146s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/05/2023, 17:12

General

  • Target

    32332.exe

  • Size

    825KB

  • MD5

    ed2274a44fd363ad1895a60e0a0337a9

  • SHA1

    eb1514ececfe175aaf95d6f53dc59b6832561ee5

  • SHA256

    3e618b09bbab54dd0bd81e5ff61964768c527c998f5e9464a0239ca7ec23cadf

  • SHA512

    3e39ece4311aa374b10141ad29b333c9bfbf0a29dea99227615b561a1cf02fa32722a6a960948199102ef8bc48e2e8bd670c247705fa90815cd9600891eb6c9a

  • SSDEEP

    12288:BcCpSICkWREMtzJXsmgPBauPpOh5qvXs7KRMVtXckDjo1FmgEBcF923Td6+s:BppSzk2rtFXVO7PpKOCVmkXo1FpnST4

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .xaro

  • offline_id

    uK3VnHYy6oibGbO8t2PDOMcT40gQoh5oUUCe2Lt1

  • payload_url

    http://colisumy.com/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-otP8Wlz4eh 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: 0709JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

3.9

Botnet

9dfa7ee730fa2f1efb5ed51dbbec22f5

C2

https://steamcommunity.com/profiles/76561199263069598

https://t.me/cybehost

Attributes
  • profile_id_v2

    9dfa7ee730fa2f1efb5ed51dbbec22f5

  • user_agent

    Mozilla/5.0 (compatible; Konqueror/3.5; Linux) KHTML/3.5.7 (like Gecko) (Debian)

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 2 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).

  • 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\32332.exe
    "C:\Users\Admin\AppData\Local\Temp\32332.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4508
    • C:\Users\Admin\AppData\Local\Temp\32332.exe
      "C:\Users\Admin\AppData\Local\Temp\32332.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4380
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\108dcabb-5ac2-4b6f-86ec-f796acc56be5" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:2296
      • C:\Users\Admin\AppData\Local\Temp\32332.exe
        "C:\Users\Admin\AppData\Local\Temp\32332.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:728
        • C:\Users\Admin\AppData\Local\Temp\32332.exe
          "C:\Users\Admin\AppData\Local\Temp\32332.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1492
          • C:\Users\Admin\AppData\Local\34a86e8b-4ae6-4b95-b1cc-94b366f58542\build2.exe
            "C:\Users\Admin\AppData\Local\34a86e8b-4ae6-4b95-b1cc-94b366f58542\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:4028
            • C:\Users\Admin\AppData\Local\34a86e8b-4ae6-4b95-b1cc-94b366f58542\build2.exe
              "C:\Users\Admin\AppData\Local\34a86e8b-4ae6-4b95-b1cc-94b366f58542\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              PID:2784
          • C:\Users\Admin\AppData\Local\34a86e8b-4ae6-4b95-b1cc-94b366f58542\build3.exe
            "C:\Users\Admin\AppData\Local\34a86e8b-4ae6-4b95-b1cc-94b366f58542\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:2536
            • 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:4136
  • 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:5044
    • 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:3624

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

          cb219b121c03308da05e261107dcde69

          SHA1

          2816c0b95985ce8b42e4f8c30aae93279c3979ef

          SHA256

          d18ee47a9beb6ab36215bb1b778ec97d87c7b6c16ab6449fc6da51ec5ef9967b

          SHA512

          6353b7fa84d06fcb975882c3fb9d0c7e0103ccbbab1101fdb9310ed0d55657e5f714527d59e0d57e9949dc1ecbb9265567cb5393f2a9d9c5968e641b56b82cb3

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

          Filesize

          1KB

          MD5

          374bcc93961e172a78f2a2ded74f3433

          SHA1

          e9bbbb1dcbea961e0aa7d502d032c2fe009397b8

          SHA256

          a6032f21906faae6e57164b9048d08c6f65fccc04ac64a3fe622f0f0360e5239

          SHA512

          6272ff1b1c042adec0f2a424f582f1567c4ce068ef98d8bdb1fee5727c075f2994a27f323a2e45d90b0b993a003741e40810a7ca920a6f5d81f821835f0e69ed

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

          Filesize

          488B

          MD5

          228dde7b8c208c639a17ff6c719a18eb

          SHA1

          865eaa22b4efa8efe32cc52eae4cb19a4b8e67ec

          SHA256

          cd56c1a22f03f4138bc0e2b24703c85801e46b7ea65d771e09b3cf2c4c0752cc

          SHA512

          2047721eec03c692840915876c9df7b0b27a3adf75e05a43c31c6980267874b6bd7aa5b4ec71cfe680339c1074f87fb5a43612f5c71a2effd79d6a6f5fbf21bb

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

          Filesize

          482B

          MD5

          86db6cfef9953cea4ac5a0009ac99ec3

          SHA1

          3efdbcee2c5b8827e34d03a5d7a87b3a43530759

          SHA256

          7c15aece7052da42f38404c859f7fffe8f200295b47fb44ffd55bc659bf698cd

          SHA512

          9b0b80e3b25081132f2e5e88b19a3b6470ada7414a10cce74a172634619a01160edd910b5b34c3cf839ad0998b8943f7e844910fbca71a2958ab66d1853653d9

        • C:\Users\Admin\AppData\Local\108dcabb-5ac2-4b6f-86ec-f796acc56be5\32332.exe

          Filesize

          825KB

          MD5

          ed2274a44fd363ad1895a60e0a0337a9

          SHA1

          eb1514ececfe175aaf95d6f53dc59b6832561ee5

          SHA256

          3e618b09bbab54dd0bd81e5ff61964768c527c998f5e9464a0239ca7ec23cadf

          SHA512

          3e39ece4311aa374b10141ad29b333c9bfbf0a29dea99227615b561a1cf02fa32722a6a960948199102ef8bc48e2e8bd670c247705fa90815cd9600891eb6c9a

        • C:\Users\Admin\AppData\Local\34a86e8b-4ae6-4b95-b1cc-94b366f58542\build2.exe

          Filesize

          379KB

          MD5

          37b6aab56a0f770ce58a670322361a1c

          SHA1

          87606604cdaa89b93d4d1b5e3e12f5ec24f60016

          SHA256

          3d9cf227ef3c29b9ca22c66359fdd61d9b3d3f2bb197ec3df42d49ff22b989a4

          SHA512

          7b99a56e2160b3f910f75b5d21975587310ad61738613cefbce0d0b25c9d3af07ebeae9c6668907e00e2866259fcca079b4137e06c0d7cede5c5e5178d030a1e

        • C:\Users\Admin\AppData\Local\34a86e8b-4ae6-4b95-b1cc-94b366f58542\build2.exe

          Filesize

          379KB

          MD5

          37b6aab56a0f770ce58a670322361a1c

          SHA1

          87606604cdaa89b93d4d1b5e3e12f5ec24f60016

          SHA256

          3d9cf227ef3c29b9ca22c66359fdd61d9b3d3f2bb197ec3df42d49ff22b989a4

          SHA512

          7b99a56e2160b3f910f75b5d21975587310ad61738613cefbce0d0b25c9d3af07ebeae9c6668907e00e2866259fcca079b4137e06c0d7cede5c5e5178d030a1e

        • C:\Users\Admin\AppData\Local\34a86e8b-4ae6-4b95-b1cc-94b366f58542\build2.exe

          Filesize

          379KB

          MD5

          37b6aab56a0f770ce58a670322361a1c

          SHA1

          87606604cdaa89b93d4d1b5e3e12f5ec24f60016

          SHA256

          3d9cf227ef3c29b9ca22c66359fdd61d9b3d3f2bb197ec3df42d49ff22b989a4

          SHA512

          7b99a56e2160b3f910f75b5d21975587310ad61738613cefbce0d0b25c9d3af07ebeae9c6668907e00e2866259fcca079b4137e06c0d7cede5c5e5178d030a1e

        • C:\Users\Admin\AppData\Local\34a86e8b-4ae6-4b95-b1cc-94b366f58542\build2.exe

          Filesize

          379KB

          MD5

          37b6aab56a0f770ce58a670322361a1c

          SHA1

          87606604cdaa89b93d4d1b5e3e12f5ec24f60016

          SHA256

          3d9cf227ef3c29b9ca22c66359fdd61d9b3d3f2bb197ec3df42d49ff22b989a4

          SHA512

          7b99a56e2160b3f910f75b5d21975587310ad61738613cefbce0d0b25c9d3af07ebeae9c6668907e00e2866259fcca079b4137e06c0d7cede5c5e5178d030a1e

        • C:\Users\Admin\AppData\Local\34a86e8b-4ae6-4b95-b1cc-94b366f58542\build3.exe

          Filesize

          9KB

          MD5

          9ead10c08e72ae41921191f8db39bc16

          SHA1

          abe3bce01cd34afc88e2c838173f8c2bd0090ae1

          SHA256

          8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

          SHA512

          aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

        • C:\Users\Admin\AppData\Local\34a86e8b-4ae6-4b95-b1cc-94b366f58542\build3.exe

          Filesize

          9KB

          MD5

          9ead10c08e72ae41921191f8db39bc16

          SHA1

          abe3bce01cd34afc88e2c838173f8c2bd0090ae1

          SHA256

          8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

          SHA512

          aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

        • C:\Users\Admin\AppData\Local\34a86e8b-4ae6-4b95-b1cc-94b366f58542\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/1492-161-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/1492-190-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/1492-283-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/1492-155-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/1492-160-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/1492-153-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/1492-206-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/1492-154-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/1492-191-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/1492-185-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2784-210-0x0000000061E00000-0x0000000061EF3000-memory.dmp

          Filesize

          972KB

        • memory/2784-278-0x0000000000400000-0x000000000046B000-memory.dmp

          Filesize

          428KB

        • memory/2784-180-0x0000000000400000-0x000000000046B000-memory.dmp

          Filesize

          428KB

        • memory/2784-178-0x0000000000400000-0x000000000046B000-memory.dmp

          Filesize

          428KB

        • memory/2784-181-0x0000000000400000-0x000000000046B000-memory.dmp

          Filesize

          428KB

        • memory/2784-281-0x0000000000400000-0x000000000046B000-memory.dmp

          Filesize

          428KB

        • memory/2784-176-0x0000000000400000-0x000000000046B000-memory.dmp

          Filesize

          428KB

        • memory/2784-280-0x0000000000400000-0x000000000046B000-memory.dmp

          Filesize

          428KB

        • memory/4028-179-0x0000000000BA0000-0x0000000000BF7000-memory.dmp

          Filesize

          348KB

        • memory/4380-135-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4380-134-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4380-137-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4380-138-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4380-149-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4508-136-0x0000000002630000-0x000000000274B000-memory.dmp

          Filesize

          1.1MB