Analysis

  • max time kernel
    145s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/08/2023, 12:30

General

  • Target

    ce0c6a00538cda4d1e206f9e243c49fa882d23837fef0f9f162a0b39a005f17a.exe

  • Size

    769KB

  • MD5

    f566675572dc6ac06ca73464c5baf3fd

  • SHA1

    111d4032658c8e87418c5ee38be641578fd89ae0

  • SHA256

    ce0c6a00538cda4d1e206f9e243c49fa882d23837fef0f9f162a0b39a005f17a

  • SHA512

    25f9b8a83c462f587bee236eb5ac9955b14dd282440d2b3b9f6ea8c5e298c72e1708caec11787d090661def101161769fe3959a0e0090c7c19170dc36cb9b552

  • SSDEEP

    12288:NVqLbd5MUMgy3u57vDVF90mnNLwd1h7hJxfQP7KvRp0vxIh0U/Gx+KHKyhRa:NVCTMNgy3U3zLQh1JxoPWDiXUSHKyhR

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .wzoq

  • offline_id

    pGPY4MKNHaEeN9pLKNW37rI0mblzUZFtPsjZ8Ht1

  • 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-E3ktviSmlG 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: 0767zSjfr

rsa_pubkey.plain

Extracted

Family

vidar

Version

5.3

Botnet

562ce294a991b18054802a17b24ce0f9

C2

https://t.me/buukcay

https://steamcommunity.com/profiles/76561199544211655

Attributes
  • profile_id_v2

    562ce294a991b18054802a17b24ce0f9

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).

  • 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\ce0c6a00538cda4d1e206f9e243c49fa882d23837fef0f9f162a0b39a005f17a.exe
    "C:\Users\Admin\AppData\Local\Temp\ce0c6a00538cda4d1e206f9e243c49fa882d23837fef0f9f162a0b39a005f17a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3844
    • C:\Users\Admin\AppData\Local\Temp\ce0c6a00538cda4d1e206f9e243c49fa882d23837fef0f9f162a0b39a005f17a.exe
      "C:\Users\Admin\AppData\Local\Temp\ce0c6a00538cda4d1e206f9e243c49fa882d23837fef0f9f162a0b39a005f17a.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1772
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\3eddce3e-fb81-4fb7-8622-b827ae2e8a28" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:4080
      • C:\Users\Admin\AppData\Local\Temp\ce0c6a00538cda4d1e206f9e243c49fa882d23837fef0f9f162a0b39a005f17a.exe
        "C:\Users\Admin\AppData\Local\Temp\ce0c6a00538cda4d1e206f9e243c49fa882d23837fef0f9f162a0b39a005f17a.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2560
        • C:\Users\Admin\AppData\Local\Temp\ce0c6a00538cda4d1e206f9e243c49fa882d23837fef0f9f162a0b39a005f17a.exe
          "C:\Users\Admin\AppData\Local\Temp\ce0c6a00538cda4d1e206f9e243c49fa882d23837fef0f9f162a0b39a005f17a.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3392
          • C:\Users\Admin\AppData\Local\f9632344-6280-4a7c-896d-f1dacc7bc902\build2.exe
            "C:\Users\Admin\AppData\Local\f9632344-6280-4a7c-896d-f1dacc7bc902\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:2576
            • C:\Users\Admin\AppData\Local\f9632344-6280-4a7c-896d-f1dacc7bc902\build2.exe
              "C:\Users\Admin\AppData\Local\f9632344-6280-4a7c-896d-f1dacc7bc902\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:3772
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\f9632344-6280-4a7c-896d-f1dacc7bc902\build2.exe" & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:4828
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 6
                  8⤵
                  • Delays execution with timeout.exe
                  PID:3940
          • C:\Users\Admin\AppData\Local\f9632344-6280-4a7c-896d-f1dacc7bc902\build3.exe
            "C:\Users\Admin\AppData\Local\f9632344-6280-4a7c-896d-f1dacc7bc902\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:2296
            • 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:2552
  • 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:4620
    • 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:2184

Network

        MITRE ATT&CK Enterprise v15

        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

          2047c5276498695b2aae5fab09708b18

          SHA1

          e6e47381a8f7ad1d552ca6e587a38c68cc4eb5a7

          SHA256

          ef854bb906dc4d7d50d2c8cf812999276848c574c35bd342762b2fe2305db9bf

          SHA512

          4266e74e941befc8e51f377f1025554d2b82de50a7883d9d326420134253d8584b7133ca503476a1336e924e4d987f5f957e5d2379e9dc40e906eba97f3eb239

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

          Filesize

          1KB

          MD5

          ce12199317d03aeb98e9ab4deb8a2400

          SHA1

          83c807a97e94c4a5c943711282434fcaa52f23b0

          SHA256

          9bac42ac5078f27a66f09d9c94507ba81716ae946080673963ddca4c70f04688

          SHA512

          041bbf8cdd894eec2a2430625c6072778149684d86d274c5e307b2ca3d1964063ca50e9df7df7da3f5a93949dc053d8eb80d35661b905571a517e58c437b963e

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

          Filesize

          488B

          MD5

          11bd346e86471714a1e13ffb42ea6c8a

          SHA1

          048dd452029e13af55ae815e1b69d33b66af7dc9

          SHA256

          8a4639f39c7718662fd223dc1305330dd535ad80a79693aa0a5098c36fb8894d

          SHA512

          f43240e80efc9adfb6aae6d7925275d17833cc28d64e6439c3597109667321b30fbeb42a61f87370011f5512f6186574c88833af0409e260ac018f52fd8c4d7c

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

          Filesize

          482B

          MD5

          66101513262236c15b9a062ffb8140f6

          SHA1

          428c912e79009816cbc6eedacf076d4c9e39a4e4

          SHA256

          1143f21b3a96b4120d742478744aeecb35c593da4c32f49888f17aa5f2cf222f

          SHA512

          76933eb29d86c90e731dc92bdfa4a9cf24a468429854fb42c459ad2a8e55d9661490f0e42eadf2d0f6a492963e2a350bbd1203af18ac8430ea12390908d9c694

        • C:\Users\Admin\AppData\Local\3eddce3e-fb81-4fb7-8622-b827ae2e8a28\ce0c6a00538cda4d1e206f9e243c49fa882d23837fef0f9f162a0b39a005f17a.exe

          Filesize

          769KB

          MD5

          f566675572dc6ac06ca73464c5baf3fd

          SHA1

          111d4032658c8e87418c5ee38be641578fd89ae0

          SHA256

          ce0c6a00538cda4d1e206f9e243c49fa882d23837fef0f9f162a0b39a005f17a

          SHA512

          25f9b8a83c462f587bee236eb5ac9955b14dd282440d2b3b9f6ea8c5e298c72e1708caec11787d090661def101161769fe3959a0e0090c7c19170dc36cb9b552

        • C:\Users\Admin\AppData\Local\f9632344-6280-4a7c-896d-f1dacc7bc902\build2.exe

          Filesize

          361KB

          MD5

          9545d2c1b9c67ae6c7536fa637f6e8dc

          SHA1

          b2654f52dfde5ae8791588d224fe707784a3c6fd

          SHA256

          44f9e81a2e056d24c0da23b8be38d37eceefe06e5bc6dbf67df2b18caf6223b8

          SHA512

          6eef0a2feec33e8bf1a6ede2fc62ee531299ce49759df07a463e8c5476617184d9b8e5a21fbb4b6641131a7130474f39800839c3d0127ba84b8f5a7b3fdffa4c

        • C:\Users\Admin\AppData\Local\f9632344-6280-4a7c-896d-f1dacc7bc902\build2.exe

          Filesize

          361KB

          MD5

          9545d2c1b9c67ae6c7536fa637f6e8dc

          SHA1

          b2654f52dfde5ae8791588d224fe707784a3c6fd

          SHA256

          44f9e81a2e056d24c0da23b8be38d37eceefe06e5bc6dbf67df2b18caf6223b8

          SHA512

          6eef0a2feec33e8bf1a6ede2fc62ee531299ce49759df07a463e8c5476617184d9b8e5a21fbb4b6641131a7130474f39800839c3d0127ba84b8f5a7b3fdffa4c

        • C:\Users\Admin\AppData\Local\f9632344-6280-4a7c-896d-f1dacc7bc902\build2.exe

          Filesize

          361KB

          MD5

          9545d2c1b9c67ae6c7536fa637f6e8dc

          SHA1

          b2654f52dfde5ae8791588d224fe707784a3c6fd

          SHA256

          44f9e81a2e056d24c0da23b8be38d37eceefe06e5bc6dbf67df2b18caf6223b8

          SHA512

          6eef0a2feec33e8bf1a6ede2fc62ee531299ce49759df07a463e8c5476617184d9b8e5a21fbb4b6641131a7130474f39800839c3d0127ba84b8f5a7b3fdffa4c

        • C:\Users\Admin\AppData\Local\f9632344-6280-4a7c-896d-f1dacc7bc902\build2.exe

          Filesize

          361KB

          MD5

          9545d2c1b9c67ae6c7536fa637f6e8dc

          SHA1

          b2654f52dfde5ae8791588d224fe707784a3c6fd

          SHA256

          44f9e81a2e056d24c0da23b8be38d37eceefe06e5bc6dbf67df2b18caf6223b8

          SHA512

          6eef0a2feec33e8bf1a6ede2fc62ee531299ce49759df07a463e8c5476617184d9b8e5a21fbb4b6641131a7130474f39800839c3d0127ba84b8f5a7b3fdffa4c

        • C:\Users\Admin\AppData\Local\f9632344-6280-4a7c-896d-f1dacc7bc902\build3.exe

          Filesize

          9KB

          MD5

          9ead10c08e72ae41921191f8db39bc16

          SHA1

          abe3bce01cd34afc88e2c838173f8c2bd0090ae1

          SHA256

          8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

          SHA512

          aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

        • C:\Users\Admin\AppData\Local\f9632344-6280-4a7c-896d-f1dacc7bc902\build3.exe

          Filesize

          9KB

          MD5

          9ead10c08e72ae41921191f8db39bc16

          SHA1

          abe3bce01cd34afc88e2c838173f8c2bd0090ae1

          SHA256

          8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

          SHA512

          aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

        • C:\Users\Admin\AppData\Local\f9632344-6280-4a7c-896d-f1dacc7bc902\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/1772-6-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/1772-15-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/1772-5-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/1772-3-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/1772-2-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2576-60-0x0000000001A80000-0x0000000001ADB000-memory.dmp

          Filesize

          364KB

        • memory/2576-59-0x0000000001A40000-0x0000000001A71000-memory.dmp

          Filesize

          196KB

        • memory/2576-64-0x0000000001A40000-0x0000000001A71000-memory.dmp

          Filesize

          196KB

        • memory/3392-20-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/3392-119-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/3392-33-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/3392-32-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/3392-30-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/3392-26-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/3392-25-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/3392-55-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/3392-18-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/3392-19-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/3772-65-0x0000000000400000-0x000000000046F000-memory.dmp

          Filesize

          444KB

        • memory/3772-66-0x0000000000400000-0x000000000046F000-memory.dmp

          Filesize

          444KB

        • memory/3772-76-0x0000000061E00000-0x0000000061EF3000-memory.dmp

          Filesize

          972KB

        • memory/3772-63-0x0000000000400000-0x000000000046F000-memory.dmp

          Filesize

          444KB

        • memory/3772-118-0x0000000000400000-0x000000000046F000-memory.dmp

          Filesize

          444KB

        • memory/3772-61-0x0000000000400000-0x000000000046F000-memory.dmp

          Filesize

          444KB

        • memory/3772-120-0x0000000000400000-0x000000000046F000-memory.dmp

          Filesize

          444KB

        • memory/3772-121-0x0000000000400000-0x000000000046F000-memory.dmp

          Filesize

          444KB

        • memory/3844-0-0x0000000004240000-0x00000000042D1000-memory.dmp

          Filesize

          580KB

        • memory/3844-4-0x0000000004240000-0x00000000042D1000-memory.dmp

          Filesize

          580KB

        • memory/3844-1-0x0000000004350000-0x000000000446B000-memory.dmp

          Filesize

          1.1MB