Analysis

  • max time kernel
    295s
  • max time network
    256s
  • platform
    windows10-1703_x64
  • resource
    win10-20230703-en
  • resource tags

    arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system
  • submitted
    06-07-2023 04:47

General

  • Target

    bddf45b01cc889fe9f9430a95b0a6cbf9cab4031b0633b65225453214eaef943.exe

  • Size

    743KB

  • MD5

    1a3f17ad136bbca6c1b16afe13e8a0ac

  • SHA1

    ea932b6ee69a59d884bc844bd8f4c61f99cbbb69

  • SHA256

    bddf45b01cc889fe9f9430a95b0a6cbf9cab4031b0633b65225453214eaef943

  • SHA512

    5816dd31ab59a5c3d763a8a3e506726c303254ff88218d5f2e211639685f1a179c46be630496712ab093f8b9e9a06c7df9da903ee7c65def4d6e841f48fe16db

  • SSDEEP

    12288:JLMiQkXpE2w/j1rahMpUQPhZhju6YG2leoiaJSVbgHJgOc8nRl2tIQsbejh:SYpJ83UQPNXjaURvOc8nSmW

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .wazp

  • offline_id

    V5TMuF1BBuDZFeJXDU5xmjrzp6rwS1IuZWNpDCt1

  • 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-6Dm02j1lRa 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: 0738ISdik

rsa_pubkey.plain

Extracted

Family

vidar

Version

4.6

Botnet

dcad9d884915bbb6106f78e5e2ea6168

C2

https://steamcommunity.com/profiles/76561199523054520

https://t.me/game4serv

Attributes
  • profile_id_v2

    dcad9d884915bbb6106f78e5e2ea6168

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:103.0) Gecko/20100101 Firefox/103.0

Signatures

  • Detected Djvu ransomware 17 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
  • 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 8 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bddf45b01cc889fe9f9430a95b0a6cbf9cab4031b0633b65225453214eaef943.exe
    "C:\Users\Admin\AppData\Local\Temp\bddf45b01cc889fe9f9430a95b0a6cbf9cab4031b0633b65225453214eaef943.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1712
    • C:\Users\Admin\AppData\Local\Temp\bddf45b01cc889fe9f9430a95b0a6cbf9cab4031b0633b65225453214eaef943.exe
      "C:\Users\Admin\AppData\Local\Temp\bddf45b01cc889fe9f9430a95b0a6cbf9cab4031b0633b65225453214eaef943.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2404
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\628f5daa-7066-4049-b3cb-2fc9016e23db" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:1016
      • C:\Users\Admin\AppData\Local\Temp\bddf45b01cc889fe9f9430a95b0a6cbf9cab4031b0633b65225453214eaef943.exe
        "C:\Users\Admin\AppData\Local\Temp\bddf45b01cc889fe9f9430a95b0a6cbf9cab4031b0633b65225453214eaef943.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:4604
        • C:\Users\Admin\AppData\Local\Temp\bddf45b01cc889fe9f9430a95b0a6cbf9cab4031b0633b65225453214eaef943.exe
          "C:\Users\Admin\AppData\Local\Temp\bddf45b01cc889fe9f9430a95b0a6cbf9cab4031b0633b65225453214eaef943.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4612
          • C:\Users\Admin\AppData\Local\f4290032-475c-4704-b1a6-f3843eeb37fa\build2.exe
            "C:\Users\Admin\AppData\Local\f4290032-475c-4704-b1a6-f3843eeb37fa\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:200
            • C:\Users\Admin\AppData\Local\f4290032-475c-4704-b1a6-f3843eeb37fa\build2.exe
              "C:\Users\Admin\AppData\Local\f4290032-475c-4704-b1a6-f3843eeb37fa\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              PID:2448
          • C:\Users\Admin\AppData\Local\f4290032-475c-4704-b1a6-f3843eeb37fa\build3.exe
            "C:\Users\Admin\AppData\Local\f4290032-475c-4704-b1a6-f3843eeb37fa\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:5088
            • 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:4188
  • 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:2336
    • 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:2040

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    2KB

    MD5

    24841482658226cf5631326daa54421c

    SHA1

    3f7c084495be359a47dd42b07c3b16a28c330714

    SHA256

    1beda9a89d19114be6dc72214190ba114f6eb935862fa07b8ced5ad6a78641b2

    SHA512

    551f85388f5152436942b091afc3baf4370b6d9321d916692405f14c654c5cb0a676a3a8fff90e780831838708df8231a9f55e2fff9d2cb084cc0e3cebe212b4

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

    Filesize

    1KB

    MD5

    291a62996406ac03c2f31f84f0e2d7d5

    SHA1

    a363cc38fc7c7563baef34600a383832c28cccb1

    SHA256

    41f08f992bb2f99622ba91712b4275c4d7c217012286a4c5ffe107a828daa92d

    SHA512

    053d6d0d44e0f8c6e5d6b5fc573436e1be683eaf0ffea83d634cde4de3ee0c9288cc6bb7831c0ce42afde3e14a348efa0badcfb4544f5ebb0471071b54780d3f

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

    Filesize

    488B

    MD5

    9674a665a807624e7ff7b429e6796423

    SHA1

    234457fa067b9516d4760a9daa913b16cf5f9805

    SHA256

    752ca5731133ce6a1492644c88b56f3dfb1a9c89ffb644d272b3a750139b3bac

    SHA512

    bde6a5e896040ec46a7bc40d7a28ee99fe64b1c0b4eed29cb5342c02be00ad0611350f18b4a7aef2a4e69716860da0484ddef872144e85c7535eb440f357c468

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

    Filesize

    482B

    MD5

    35c759e1e0f96f82b8dc6469a9a075d7

    SHA1

    738ad72a0d6f0056aa51c73cc7dba1eec6727202

    SHA256

    449acf07bd0dc1e6ce1910fd6a2c6aaae49ec002f6947076f42d5a504c26449e

    SHA512

    2ab434b446ca8a216acc4f31e080cf49045b3db748a83997f6ad04ed9754596d9649ac4403d8e37e0eace976526158f723b8227b4f69d8491f7029573dae395a

  • C:\Users\Admin\AppData\Local\628f5daa-7066-4049-b3cb-2fc9016e23db\bddf45b01cc889fe9f9430a95b0a6cbf9cab4031b0633b65225453214eaef943.exe

    Filesize

    743KB

    MD5

    1a3f17ad136bbca6c1b16afe13e8a0ac

    SHA1

    ea932b6ee69a59d884bc844bd8f4c61f99cbbb69

    SHA256

    bddf45b01cc889fe9f9430a95b0a6cbf9cab4031b0633b65225453214eaef943

    SHA512

    5816dd31ab59a5c3d763a8a3e506726c303254ff88218d5f2e211639685f1a179c46be630496712ab093f8b9e9a06c7df9da903ee7c65def4d6e841f48fe16db

  • C:\Users\Admin\AppData\Local\f4290032-475c-4704-b1a6-f3843eeb37fa\build2.exe

    Filesize

    418KB

    MD5

    3567ceb7b97d51ca25326b7fb5c8ec6f

    SHA1

    8cccc90870e6a00cc8240dfab61dfd46c30cbd65

    SHA256

    4df6328ec1e748df2043ceca410088ca2018b6635d91f29451b53ed4416cdac2

    SHA512

    3ded0d9fa7716e9395b92afd11fdfe503b9c4c9ec7bfaf899a191dad37a230803f3cb1e506ff32d2a280de74e42b032e7e8cb491059b1eb62d5a2b36bda65ed9

  • C:\Users\Admin\AppData\Local\f4290032-475c-4704-b1a6-f3843eeb37fa\build2.exe

    Filesize

    418KB

    MD5

    3567ceb7b97d51ca25326b7fb5c8ec6f

    SHA1

    8cccc90870e6a00cc8240dfab61dfd46c30cbd65

    SHA256

    4df6328ec1e748df2043ceca410088ca2018b6635d91f29451b53ed4416cdac2

    SHA512

    3ded0d9fa7716e9395b92afd11fdfe503b9c4c9ec7bfaf899a191dad37a230803f3cb1e506ff32d2a280de74e42b032e7e8cb491059b1eb62d5a2b36bda65ed9

  • C:\Users\Admin\AppData\Local\f4290032-475c-4704-b1a6-f3843eeb37fa\build2.exe

    Filesize

    418KB

    MD5

    3567ceb7b97d51ca25326b7fb5c8ec6f

    SHA1

    8cccc90870e6a00cc8240dfab61dfd46c30cbd65

    SHA256

    4df6328ec1e748df2043ceca410088ca2018b6635d91f29451b53ed4416cdac2

    SHA512

    3ded0d9fa7716e9395b92afd11fdfe503b9c4c9ec7bfaf899a191dad37a230803f3cb1e506ff32d2a280de74e42b032e7e8cb491059b1eb62d5a2b36bda65ed9

  • C:\Users\Admin\AppData\Local\f4290032-475c-4704-b1a6-f3843eeb37fa\build3.exe

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • C:\Users\Admin\AppData\Local\f4290032-475c-4704-b1a6-f3843eeb37fa\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

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

    Filesize

    9KB

    MD5

    9ead10c08e72ae41921191f8db39bc16

    SHA1

    abe3bce01cd34afc88e2c838173f8c2bd0090ae1

    SHA256

    8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

    SHA512

    aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

  • \ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • \ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • memory/200-157-0x0000000002180000-0x000000000220D000-memory.dmp

    Filesize

    564KB

  • memory/1712-120-0x0000000003950000-0x0000000003A6B000-memory.dmp

    Filesize

    1.1MB

  • memory/2404-133-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2404-119-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2404-121-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2404-118-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2404-122-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2448-217-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/2448-219-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/2448-170-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/2448-154-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/2448-156-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/2448-158-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/2448-159-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/2448-218-0x0000000000400000-0x00000000004A1000-memory.dmp

    Filesize

    644KB

  • memory/4612-225-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4612-145-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4612-228-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4612-227-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4612-229-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4612-235-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4612-216-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4612-137-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4612-143-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4612-138-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4612-144-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB