Analysis

  • max time kernel
    144s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/07/2023, 12:15

General

  • Target

    c5e7f5887687af0628996b7c11e5607d79ad6868aabe4aacdf3f9664ad89badd.exe

  • Size

    812KB

  • MD5

    73ecaf10be2b83a9a1e77d3235865eac

  • SHA1

    3236e7d9b443a757dbc4dcf902d78c2f8dfaebed

  • SHA256

    c5e7f5887687af0628996b7c11e5607d79ad6868aabe4aacdf3f9664ad89badd

  • SHA512

    b2c9df901501146d740c0449d3424f2782307463cb5743ca5d03db2714e6d0291d7c66b9b85c55ab4f14a975ae4da429218fbc3bf41cf2f9747a6f3aaca28988

  • SSDEEP

    12288:2LQHLjpgE7N1EqephL/prRX54Svv9otwos0CBre7/6eai0Ir7FO:jfSExZephLVRWSv9obsxVhXIPFO

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .miqe

  • offline_id

    1S27jnaC9TYNiwf9VvJvIx5XCXvgyoDAUXHnu0t1

  • 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-nSxayRgUNO 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: 0746Pokj

rsa_pubkey.plain

Extracted

Family

vidar

Version

4.7

Botnet

https://t.me/eagl3z

C2

https://t.me/eagl3z

https://steamcommunity.com/profiles/76561199159550234

Attributes
  • profile_id_v2

    https://t.me/eagl3z

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36 Edg/114.0.1788.0 uacq

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
  • 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 10 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c5e7f5887687af0628996b7c11e5607d79ad6868aabe4aacdf3f9664ad89badd.exe
    "C:\Users\Admin\AppData\Local\Temp\c5e7f5887687af0628996b7c11e5607d79ad6868aabe4aacdf3f9664ad89badd.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1176
    • C:\Users\Admin\AppData\Local\Temp\c5e7f5887687af0628996b7c11e5607d79ad6868aabe4aacdf3f9664ad89badd.exe
      "C:\Users\Admin\AppData\Local\Temp\c5e7f5887687af0628996b7c11e5607d79ad6868aabe4aacdf3f9664ad89badd.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:540
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\211697e2-eae8-42ec-8785-08c77492616d" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:2740
      • C:\Users\Admin\AppData\Local\Temp\c5e7f5887687af0628996b7c11e5607d79ad6868aabe4aacdf3f9664ad89badd.exe
        "C:\Users\Admin\AppData\Local\Temp\c5e7f5887687af0628996b7c11e5607d79ad6868aabe4aacdf3f9664ad89badd.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:3908
        • C:\Users\Admin\AppData\Local\Temp\c5e7f5887687af0628996b7c11e5607d79ad6868aabe4aacdf3f9664ad89badd.exe
          "C:\Users\Admin\AppData\Local\Temp\c5e7f5887687af0628996b7c11e5607d79ad6868aabe4aacdf3f9664ad89badd.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:5008
          • C:\Users\Admin\AppData\Local\2204781c-229b-46c5-af25-4f4f30ce3f7b\build2.exe
            "C:\Users\Admin\AppData\Local\2204781c-229b-46c5-af25-4f4f30ce3f7b\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:4596
            • C:\Users\Admin\AppData\Local\2204781c-229b-46c5-af25-4f4f30ce3f7b\build2.exe
              "C:\Users\Admin\AppData\Local\2204781c-229b-46c5-af25-4f4f30ce3f7b\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              PID:908
          • C:\Users\Admin\AppData\Local\2204781c-229b-46c5-af25-4f4f30ce3f7b\build3.exe
            "C:\Users\Admin\AppData\Local\2204781c-229b-46c5-af25-4f4f30ce3f7b\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:2104
            • 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:1040
  • 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:2832
    • 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:5040

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

          ec50490b07b4d77ae984e14377e81faf

          SHA1

          74330d98bc1ef271a37b3ae273efcccab1c335be

          SHA256

          30afe1a3bcc9efa0dd4619e272548ef4ecc76817e67e04f69cb83f1e4380d716

          SHA512

          3972532782f05f3d24f6e8e3ab8362dfc2603c24ffe5728404977b4d13f3dc360b76b6ab8056da98845f53d5d12d9d24981d0e6edcc042d0b885114417945c8f

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

          Filesize

          1KB

          MD5

          f232260646b9219a0d25be2ba7d3e80f

          SHA1

          748c809b09ab1d39ef17ec453428cbc2449ef7b9

          SHA256

          3217032d47b15ce1c91eb2dc77e765dd9acffb0029756f4dd02ab6c12e0bd65e

          SHA512

          6eb067b352e6920b2fb6981d37ea3e3f59e3b5725a4ca797c34463b6e52e0b9e748d0cf31496b54c989bf7126d55b40d44850b7122f4d9fee3593926c4c6fedb

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

          Filesize

          488B

          MD5

          434e5afc6b8fcaf32d4268bede602cd1

          SHA1

          f74138ecf0bce9599d7ac8d7bfb0a436903a3cca

          SHA256

          3473a4e3a33d9b6d4a1da18ce75c1f975888bd8cf690bbc691b9d9b0912dbfd4

          SHA512

          a9677ee281d03ab449ed55a023d8853c8d0b3e92a566fe8756655794d6c2e279d6015799b6b1446efabe39b2dcbeb5052e1c30b87f875b9bcefaad7bb42f5d14

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

          Filesize

          482B

          MD5

          30632de87da89c70541ff5d50c4f452f

          SHA1

          b39bf51fde8f2c78cfaafa080d9f59fac550784c

          SHA256

          3e57b2d2a3816c5404f830bf579d6ec00bc3713ea3be3d03b7410e5b0da0bd52

          SHA512

          4b784fe1914e327c891b916f9c551cb3f0325f08a6cdeb4796918fa80d981ef6e4df78ad8ede337ae280bc66e293f62338f2eee451f03918f3a9c3b3e08476e4

        • C:\Users\Admin\AppData\Local\211697e2-eae8-42ec-8785-08c77492616d\c5e7f5887687af0628996b7c11e5607d79ad6868aabe4aacdf3f9664ad89badd.exe

          Filesize

          812KB

          MD5

          73ecaf10be2b83a9a1e77d3235865eac

          SHA1

          3236e7d9b443a757dbc4dcf902d78c2f8dfaebed

          SHA256

          c5e7f5887687af0628996b7c11e5607d79ad6868aabe4aacdf3f9664ad89badd

          SHA512

          b2c9df901501146d740c0449d3424f2782307463cb5743ca5d03db2714e6d0291d7c66b9b85c55ab4f14a975ae4da429218fbc3bf41cf2f9747a6f3aaca28988

        • C:\Users\Admin\AppData\Local\2204781c-229b-46c5-af25-4f4f30ce3f7b\build2.exe

          Filesize

          447KB

          MD5

          08819e55df0897a6dded1e5e6bf83601

          SHA1

          22d39992c6245b86ee8b14e0cc820e46a9094c45

          SHA256

          3dae32e22775721f2f9de5fec79dbcd8d62adaeb057b47c4524e02d130a43b25

          SHA512

          36ed6a07776139fbc4e1f4a90745633466ce40db8a374417cafc5846e3bd7277c56673dc98ef9b2379f286d3f0bacdce62e67f6b01fe177ed1dafa1065036b8b

        • C:\Users\Admin\AppData\Local\2204781c-229b-46c5-af25-4f4f30ce3f7b\build2.exe

          Filesize

          447KB

          MD5

          08819e55df0897a6dded1e5e6bf83601

          SHA1

          22d39992c6245b86ee8b14e0cc820e46a9094c45

          SHA256

          3dae32e22775721f2f9de5fec79dbcd8d62adaeb057b47c4524e02d130a43b25

          SHA512

          36ed6a07776139fbc4e1f4a90745633466ce40db8a374417cafc5846e3bd7277c56673dc98ef9b2379f286d3f0bacdce62e67f6b01fe177ed1dafa1065036b8b

        • C:\Users\Admin\AppData\Local\2204781c-229b-46c5-af25-4f4f30ce3f7b\build2.exe

          Filesize

          447KB

          MD5

          08819e55df0897a6dded1e5e6bf83601

          SHA1

          22d39992c6245b86ee8b14e0cc820e46a9094c45

          SHA256

          3dae32e22775721f2f9de5fec79dbcd8d62adaeb057b47c4524e02d130a43b25

          SHA512

          36ed6a07776139fbc4e1f4a90745633466ce40db8a374417cafc5846e3bd7277c56673dc98ef9b2379f286d3f0bacdce62e67f6b01fe177ed1dafa1065036b8b

        • C:\Users\Admin\AppData\Local\2204781c-229b-46c5-af25-4f4f30ce3f7b\build2.exe

          Filesize

          447KB

          MD5

          08819e55df0897a6dded1e5e6bf83601

          SHA1

          22d39992c6245b86ee8b14e0cc820e46a9094c45

          SHA256

          3dae32e22775721f2f9de5fec79dbcd8d62adaeb057b47c4524e02d130a43b25

          SHA512

          36ed6a07776139fbc4e1f4a90745633466ce40db8a374417cafc5846e3bd7277c56673dc98ef9b2379f286d3f0bacdce62e67f6b01fe177ed1dafa1065036b8b

        • C:\Users\Admin\AppData\Local\2204781c-229b-46c5-af25-4f4f30ce3f7b\build3.exe

          Filesize

          9KB

          MD5

          9ead10c08e72ae41921191f8db39bc16

          SHA1

          abe3bce01cd34afc88e2c838173f8c2bd0090ae1

          SHA256

          8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

          SHA512

          aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

        • C:\Users\Admin\AppData\Local\2204781c-229b-46c5-af25-4f4f30ce3f7b\build3.exe

          Filesize

          9KB

          MD5

          9ead10c08e72ae41921191f8db39bc16

          SHA1

          abe3bce01cd34afc88e2c838173f8c2bd0090ae1

          SHA256

          8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

          SHA512

          aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

        • C:\Users\Admin\AppData\Local\2204781c-229b-46c5-af25-4f4f30ce3f7b\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/540-148-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/540-136-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/540-137-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/540-138-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/540-139-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/908-189-0x0000000000400000-0x00000000004A1000-memory.dmp

          Filesize

          644KB

        • memory/908-199-0x0000000000400000-0x00000000004A1000-memory.dmp

          Filesize

          644KB

        • memory/908-288-0x0000000000400000-0x00000000004A1000-memory.dmp

          Filesize

          644KB

        • memory/908-287-0x0000000000400000-0x00000000004A1000-memory.dmp

          Filesize

          644KB

        • memory/908-210-0x0000000061E00000-0x0000000061EF3000-memory.dmp

          Filesize

          972KB

        • memory/908-183-0x0000000000400000-0x00000000004A1000-memory.dmp

          Filesize

          644KB

        • memory/908-200-0x0000000000400000-0x00000000004A1000-memory.dmp

          Filesize

          644KB

        • memory/908-285-0x0000000000400000-0x00000000004A1000-memory.dmp

          Filesize

          644KB

        • memory/908-283-0x0000000000400000-0x00000000004A1000-memory.dmp

          Filesize

          644KB

        • memory/1176-135-0x0000000002440000-0x000000000255B000-memory.dmp

          Filesize

          1.1MB

        • memory/1176-134-0x0000000002370000-0x000000000240A000-memory.dmp

          Filesize

          616KB

        • memory/3908-151-0x0000000002240000-0x00000000022DE000-memory.dmp

          Filesize

          632KB

        • memory/4596-184-0x00000000020F0000-0x000000000217D000-memory.dmp

          Filesize

          564KB

        • memory/4596-182-0x0000000000750000-0x0000000000850000-memory.dmp

          Filesize

          1024KB

        • memory/5008-162-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/5008-163-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/5008-153-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/5008-195-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/5008-154-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/5008-156-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/5008-157-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/5008-284-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/5008-167-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/5008-169-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/5008-170-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB