Analysis

  • max time kernel
    147s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/08/2023, 15:43

General

  • Target

    e1a6fdae1e39e18e5afef318d7a642e273b0ab6a678dffe858eb0f56614322ba.exe

  • Size

    754KB

  • MD5

    807ad9db1c600d249db85b85f6c62be3

  • SHA1

    f988c25e01e773feca9bc7cebfd5f4d6380c6465

  • SHA256

    e1a6fdae1e39e18e5afef318d7a642e273b0ab6a678dffe858eb0f56614322ba

  • SHA512

    7e1679a3d1bdf17b1a4918243758578ddffdcf84b5cb5f3647b73334c34cb7689fde2d9469bdd739d08f2233a66d6a277e3ec1a75253d43fad65990fcc1cb957

  • SSDEEP

    12288:xKfzU37wL5ig43A81eU24Q1heR4gDEVSDSbJ/8HIXznJojPz1gmRZthppjMZy2kj:oQQL0A0D211Uqgp28H4znJoH1xglJagK

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .jaoy

  • offline_id

    umIwyPwiSJOJvBcdwrWXqzHWO4ar4za6seqWE2t1

  • 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-41jgkAwnmH 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: 0764JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

5.2

Botnet

35aa2808fb90f9e9dac907e1be77f310

C2

https://t.me/odyssey_tg

https://steamcommunity.com/profiles/76561199541261200

Attributes
  • profile_id_v2

    35aa2808fb90f9e9dac907e1be77f310

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.30 (KHTML, like Gecko) Chrome/115.0.1.0 Safari/537.30

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
  • 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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).

  • Program crash 1 IoCs
  • 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 10 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e1a6fdae1e39e18e5afef318d7a642e273b0ab6a678dffe858eb0f56614322ba.exe
    "C:\Users\Admin\AppData\Local\Temp\e1a6fdae1e39e18e5afef318d7a642e273b0ab6a678dffe858eb0f56614322ba.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4396
    • C:\Users\Admin\AppData\Local\Temp\e1a6fdae1e39e18e5afef318d7a642e273b0ab6a678dffe858eb0f56614322ba.exe
      "C:\Users\Admin\AppData\Local\Temp\e1a6fdae1e39e18e5afef318d7a642e273b0ab6a678dffe858eb0f56614322ba.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2928
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\387cc6e2-9d38-4988-994f-bde7a52e3f81" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:4524
      • C:\Users\Admin\AppData\Local\Temp\e1a6fdae1e39e18e5afef318d7a642e273b0ab6a678dffe858eb0f56614322ba.exe
        "C:\Users\Admin\AppData\Local\Temp\e1a6fdae1e39e18e5afef318d7a642e273b0ab6a678dffe858eb0f56614322ba.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2688
        • C:\Users\Admin\AppData\Local\Temp\e1a6fdae1e39e18e5afef318d7a642e273b0ab6a678dffe858eb0f56614322ba.exe
          "C:\Users\Admin\AppData\Local\Temp\e1a6fdae1e39e18e5afef318d7a642e273b0ab6a678dffe858eb0f56614322ba.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:5076
          • C:\Users\Admin\AppData\Local\e25b085a-f5bd-4c22-a1b2-4cbf8c36d336\build2.exe
            "C:\Users\Admin\AppData\Local\e25b085a-f5bd-4c22-a1b2-4cbf8c36d336\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:3456
            • C:\Users\Admin\AppData\Local\e25b085a-f5bd-4c22-a1b2-4cbf8c36d336\build2.exe
              "C:\Users\Admin\AppData\Local\e25b085a-f5bd-4c22-a1b2-4cbf8c36d336\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:3208
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\e25b085a-f5bd-4c22-a1b2-4cbf8c36d336\build2.exe" & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:4100
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 6
                  8⤵
                  • Delays execution with timeout.exe
                  PID:4568
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3208 -s 1560
                7⤵
                • Program crash
                PID:2112
          • C:\Users\Admin\AppData\Local\e25b085a-f5bd-4c22-a1b2-4cbf8c36d336\build3.exe
            "C:\Users\Admin\AppData\Local\e25b085a-f5bd-4c22-a1b2-4cbf8c36d336\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:628
            • 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:4200
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3208 -ip 3208
    1⤵
      PID:2844
    • 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:4396
      • 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:4152

    Network

    MITRE ATT&CK Enterprise v15

    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

      7d3bcaff902cddff14871d4bfd9a8cd9

      SHA1

      877e3549776f5cc3f06b1b7f45dcff0f5077fb91

      SHA256

      99545c940eb140e8c0ac9f28aad68f7f94258eaa60de3778352ef990821d76b0

      SHA512

      89e4820812cc6bd2c047890cb452bb66225df9259fb928025751dec6944b0ff9e50e867d4706e0d09c2271e691516677ca338c38707721012ee7392db88aa4fc

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

      Filesize

      1KB

      MD5

      1f94d4d280ff409d554abab350d17ef1

      SHA1

      6df310f84e1b99164310b7324996b71a3cb3fe24

      SHA256

      047a1f77bd04d3b566fe9f71e653e788ba99ecfa954cd169fde5b70517350a11

      SHA512

      25e67e76e011e6cb6bfd4654daef6a7c30d67db62006519549b209b3e0f6714437e08ce5ff2f26a8da54e9f0b37482ceb1ad0c2e15ee7cdb4d79347d7e0309fd

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

      Filesize

      488B

      MD5

      0823aed269b3e4ff7e5ea8b9eac257e9

      SHA1

      6da2fa8f96e8cf2e09670bbbff0f821a8f59c955

      SHA256

      11257d9af0a4439d9053a099d152dcf02df1c392d919401f2958e87fdcae33e1

      SHA512

      ada0bd49500ac782afae811600be2e6048e9b63984d8a51e05d99addbb8f26c611bbddb2b73fc7f7d8cf57965f05dbf0b2dbef6cc2b8a4865a4f32d46d8522a3

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

      Filesize

      482B

      MD5

      773346fba2a331616192fbe909ede86d

      SHA1

      6c0476f521a20d12d71b4793fcf1cef004a63202

      SHA256

      6d3a4ba078acdaf7b8813ed003e9664e08ca177ff9763bf246ff07f10286e9cc

      SHA512

      de731ef46b76b97c41d05d343ddce59917665c666d55e308a2e997c1f624621768e112e6290903fea0991174956018b2af597025b4cfaa6b0a1e8772fa3585cc

    • C:\Users\Admin\AppData\Local\387cc6e2-9d38-4988-994f-bde7a52e3f81\e1a6fdae1e39e18e5afef318d7a642e273b0ab6a678dffe858eb0f56614322ba.exe

      Filesize

      754KB

      MD5

      807ad9db1c600d249db85b85f6c62be3

      SHA1

      f988c25e01e773feca9bc7cebfd5f4d6380c6465

      SHA256

      e1a6fdae1e39e18e5afef318d7a642e273b0ab6a678dffe858eb0f56614322ba

      SHA512

      7e1679a3d1bdf17b1a4918243758578ddffdcf84b5cb5f3647b73334c34cb7689fde2d9469bdd739d08f2233a66d6a277e3ec1a75253d43fad65990fcc1cb957

    • C:\Users\Admin\AppData\Local\e25b085a-f5bd-4c22-a1b2-4cbf8c36d336\build2.exe

      Filesize

      375KB

      MD5

      6076ec9fc98856b3b627751f92843a35

      SHA1

      5520b12ee2f8d39d6c8def16c7d472d08d43ec65

      SHA256

      a3ec2956fea5d99ce309b2b2209dc4dbcbf5330482ebbe46a754eb8c0885a209

      SHA512

      36bba1852037db9c81808382bca048cd94dcdbdaa1e7108e39493fa4d48aa9164b79abb44fb2f766592516b586a558d14b20ae6e8ebb131f61d738b892a6d1be

    • C:\Users\Admin\AppData\Local\e25b085a-f5bd-4c22-a1b2-4cbf8c36d336\build2.exe

      Filesize

      375KB

      MD5

      6076ec9fc98856b3b627751f92843a35

      SHA1

      5520b12ee2f8d39d6c8def16c7d472d08d43ec65

      SHA256

      a3ec2956fea5d99ce309b2b2209dc4dbcbf5330482ebbe46a754eb8c0885a209

      SHA512

      36bba1852037db9c81808382bca048cd94dcdbdaa1e7108e39493fa4d48aa9164b79abb44fb2f766592516b586a558d14b20ae6e8ebb131f61d738b892a6d1be

    • C:\Users\Admin\AppData\Local\e25b085a-f5bd-4c22-a1b2-4cbf8c36d336\build2.exe

      Filesize

      375KB

      MD5

      6076ec9fc98856b3b627751f92843a35

      SHA1

      5520b12ee2f8d39d6c8def16c7d472d08d43ec65

      SHA256

      a3ec2956fea5d99ce309b2b2209dc4dbcbf5330482ebbe46a754eb8c0885a209

      SHA512

      36bba1852037db9c81808382bca048cd94dcdbdaa1e7108e39493fa4d48aa9164b79abb44fb2f766592516b586a558d14b20ae6e8ebb131f61d738b892a6d1be

    • C:\Users\Admin\AppData\Local\e25b085a-f5bd-4c22-a1b2-4cbf8c36d336\build2.exe

      Filesize

      375KB

      MD5

      6076ec9fc98856b3b627751f92843a35

      SHA1

      5520b12ee2f8d39d6c8def16c7d472d08d43ec65

      SHA256

      a3ec2956fea5d99ce309b2b2209dc4dbcbf5330482ebbe46a754eb8c0885a209

      SHA512

      36bba1852037db9c81808382bca048cd94dcdbdaa1e7108e39493fa4d48aa9164b79abb44fb2f766592516b586a558d14b20ae6e8ebb131f61d738b892a6d1be

    • C:\Users\Admin\AppData\Local\e25b085a-f5bd-4c22-a1b2-4cbf8c36d336\build3.exe

      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • C:\Users\Admin\AppData\Local\e25b085a-f5bd-4c22-a1b2-4cbf8c36d336\build3.exe

      Filesize

      9KB

      MD5

      9ead10c08e72ae41921191f8db39bc16

      SHA1

      abe3bce01cd34afc88e2c838173f8c2bd0090ae1

      SHA256

      8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

      SHA512

      aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

    • C:\Users\Admin\AppData\Local\e25b085a-f5bd-4c22-a1b2-4cbf8c36d336\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/2688-150-0x0000000003630000-0x00000000036C2000-memory.dmp

      Filesize

      584KB

    • memory/2928-138-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/2928-135-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/2928-148-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/2928-136-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/2928-139-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/3208-187-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/3208-256-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/3208-184-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/3208-186-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/3208-254-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/3208-188-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/3208-253-0x0000000000400000-0x000000000046F000-memory.dmp

      Filesize

      444KB

    • memory/3208-210-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/3456-183-0x0000000003F90000-0x0000000003FEB000-memory.dmp

      Filesize

      364KB

    • memory/3456-182-0x0000000002460000-0x0000000002560000-memory.dmp

      Filesize

      1024KB

    • memory/4396-134-0x0000000003740000-0x000000000385B000-memory.dmp

      Filesize

      1.1MB

    • memory/4396-137-0x00000000036A0000-0x0000000003732000-memory.dmp

      Filesize

      584KB

    • memory/4396-133-0x00000000036A0000-0x0000000003732000-memory.dmp

      Filesize

      584KB

    • memory/5076-153-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/5076-200-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/5076-166-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/5076-167-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/5076-164-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/5076-160-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/5076-255-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/5076-159-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/5076-154-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB

    • memory/5076-152-0x0000000000400000-0x0000000000537000-memory.dmp

      Filesize

      1.2MB