Analysis

  • max time kernel
    144s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/05/2023, 06:52

General

  • Target

    report727.exe

  • Size

    782KB

  • MD5

    e131c4a8304d2b552494a4c6c9e73783

  • SHA1

    df9c718854a3b7dca0033260faf491e0dc1cbe77

  • SHA256

    0221aa3aeb9d83a2e440d4081d2b46b85a916bb8ed8e32fa3434344180c52be0

  • SHA512

    b54cfce239a5b59e0b0076f96ac43b7c08684fd54568975bf9ff8ae0c32562e6ee773d693524de4bdc3fcc68542e62631fa15888902cba5cb5344cb42701b288

  • SSDEEP

    12288:nJ8fyeFHnIMfTfrrTWEIxT8NDzBgZiUoVmhWcgyPgcgaFcAbo/Ph/f:nJFeFHIMfvvWPTqFj5agj4FfkhX

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .gatq

  • offline_id

    jB2aJtVEWRwbJf76a6OKB8sn0BtTgNlHYUC5wLt1

  • 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-sD0OUYo1Pd 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: 0712JOsie

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\report727.exe
    "C:\Users\Admin\AppData\Local\Temp\report727.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1608
    • C:\Users\Admin\AppData\Local\Temp\report727.exe
      "C:\Users\Admin\AppData\Local\Temp\report727.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4780
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\a24c7f51-a496-4c0a-bae2-fa8f05c30445" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:3244
      • C:\Users\Admin\AppData\Local\Temp\report727.exe
        "C:\Users\Admin\AppData\Local\Temp\report727.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:3248
        • C:\Users\Admin\AppData\Local\Temp\report727.exe
          "C:\Users\Admin\AppData\Local\Temp\report727.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2252
          • C:\Users\Admin\AppData\Local\a6675444-99c3-4193-bd23-46f30e9ba3fd\build2.exe
            "C:\Users\Admin\AppData\Local\a6675444-99c3-4193-bd23-46f30e9ba3fd\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:4496
            • C:\Users\Admin\AppData\Local\a6675444-99c3-4193-bd23-46f30e9ba3fd\build2.exe
              "C:\Users\Admin\AppData\Local\a6675444-99c3-4193-bd23-46f30e9ba3fd\build2.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              PID:4616
          • C:\Users\Admin\AppData\Local\a6675444-99c3-4193-bd23-46f30e9ba3fd\build3.exe
            "C:\Users\Admin\AppData\Local\a6675444-99c3-4193-bd23-46f30e9ba3fd\build3.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:3956
            • 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:3744
  • 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:1776
    • 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:2000

Network

        MITRE ATT&CK Enterprise v6

        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

          3a98270c0f3ec57a1ffa63648264bcb6

          SHA1

          ae481992ba0ddee00978fe6299deb55c479da13b

          SHA256

          97f6a2a8a436683df74da9f372507bd3e3c7a57b7157782c703c2e7583628d99

          SHA512

          50bba20c9d510e2ab5b295fe75e926cdff5ca9dfa64849c2dde51be3341ee8bc5de6726f05ea6dfade6c8b4a38cdf8241e39b5516e4e312e92295c15131f9cce

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

          Filesize

          1KB

          MD5

          45c2d61da08d4d08d780e2f8ec5442aa

          SHA1

          d822e746572e4240bd41a384bc15da046cb0161a

          SHA256

          5a76f2739a91dfac0c99580b4e766f08fac5b443f1f8d7bd597e6725bffce05e

          SHA512

          7846d26f4884703f61d5742938ee5fdf9e0b5340aa7d4e9f3247006db66ef48459b4a8cb63859952abbaf3c0f97fa92e61177ae77390a85145d669036a00a553

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

          Filesize

          488B

          MD5

          b21cb73fe89e9e580dfe8fad1fb5174f

          SHA1

          7b3ed998e464bfc95decac7d099a82be27baaae1

          SHA256

          33a06f894551e137957ad9398ca031b631daf5b5577589bb2c7edfa3573547d5

          SHA512

          09d519613e964f2bf226f4f8b1b952d91cf49e4df5d05401a22935959afdf514af0a32ea63aed21905ee6159dc71acf2665c663e99c6cd44f374f5c028f4c008

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

          Filesize

          482B

          MD5

          5f9042fd2ad6a88e8d1d1cddfa98b51e

          SHA1

          f4bd1435c4adce5aa26c8736af66252365d23e40

          SHA256

          9092983103c0d6ede5a35588c94124dd7bcd64c39fef4f78d81595a083ff6cba

          SHA512

          20aa5a834a43de219b02a1f399cd237f2ed87983a09b6b45bf03a7a94172a26132f4734a14dbff5cc8b5ad0a606d61ed5dd8b5271d53fbde27b0a4538462e9f6

        • C:\Users\Admin\AppData\Local\a24c7f51-a496-4c0a-bae2-fa8f05c30445\report727.exe

          Filesize

          782KB

          MD5

          e131c4a8304d2b552494a4c6c9e73783

          SHA1

          df9c718854a3b7dca0033260faf491e0dc1cbe77

          SHA256

          0221aa3aeb9d83a2e440d4081d2b46b85a916bb8ed8e32fa3434344180c52be0

          SHA512

          b54cfce239a5b59e0b0076f96ac43b7c08684fd54568975bf9ff8ae0c32562e6ee773d693524de4bdc3fcc68542e62631fa15888902cba5cb5344cb42701b288

        • C:\Users\Admin\AppData\Local\a6675444-99c3-4193-bd23-46f30e9ba3fd\build2.exe

          Filesize

          379KB

          MD5

          37b6aab56a0f770ce58a670322361a1c

          SHA1

          87606604cdaa89b93d4d1b5e3e12f5ec24f60016

          SHA256

          3d9cf227ef3c29b9ca22c66359fdd61d9b3d3f2bb197ec3df42d49ff22b989a4

          SHA512

          7b99a56e2160b3f910f75b5d21975587310ad61738613cefbce0d0b25c9d3af07ebeae9c6668907e00e2866259fcca079b4137e06c0d7cede5c5e5178d030a1e

        • C:\Users\Admin\AppData\Local\a6675444-99c3-4193-bd23-46f30e9ba3fd\build2.exe

          Filesize

          379KB

          MD5

          37b6aab56a0f770ce58a670322361a1c

          SHA1

          87606604cdaa89b93d4d1b5e3e12f5ec24f60016

          SHA256

          3d9cf227ef3c29b9ca22c66359fdd61d9b3d3f2bb197ec3df42d49ff22b989a4

          SHA512

          7b99a56e2160b3f910f75b5d21975587310ad61738613cefbce0d0b25c9d3af07ebeae9c6668907e00e2866259fcca079b4137e06c0d7cede5c5e5178d030a1e

        • C:\Users\Admin\AppData\Local\a6675444-99c3-4193-bd23-46f30e9ba3fd\build2.exe

          Filesize

          379KB

          MD5

          37b6aab56a0f770ce58a670322361a1c

          SHA1

          87606604cdaa89b93d4d1b5e3e12f5ec24f60016

          SHA256

          3d9cf227ef3c29b9ca22c66359fdd61d9b3d3f2bb197ec3df42d49ff22b989a4

          SHA512

          7b99a56e2160b3f910f75b5d21975587310ad61738613cefbce0d0b25c9d3af07ebeae9c6668907e00e2866259fcca079b4137e06c0d7cede5c5e5178d030a1e

        • C:\Users\Admin\AppData\Local\a6675444-99c3-4193-bd23-46f30e9ba3fd\build2.exe

          Filesize

          379KB

          MD5

          37b6aab56a0f770ce58a670322361a1c

          SHA1

          87606604cdaa89b93d4d1b5e3e12f5ec24f60016

          SHA256

          3d9cf227ef3c29b9ca22c66359fdd61d9b3d3f2bb197ec3df42d49ff22b989a4

          SHA512

          7b99a56e2160b3f910f75b5d21975587310ad61738613cefbce0d0b25c9d3af07ebeae9c6668907e00e2866259fcca079b4137e06c0d7cede5c5e5178d030a1e

        • C:\Users\Admin\AppData\Local\a6675444-99c3-4193-bd23-46f30e9ba3fd\build3.exe

          Filesize

          9KB

          MD5

          9ead10c08e72ae41921191f8db39bc16

          SHA1

          abe3bce01cd34afc88e2c838173f8c2bd0090ae1

          SHA256

          8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

          SHA512

          aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

        • C:\Users\Admin\AppData\Local\a6675444-99c3-4193-bd23-46f30e9ba3fd\build3.exe

          Filesize

          9KB

          MD5

          9ead10c08e72ae41921191f8db39bc16

          SHA1

          abe3bce01cd34afc88e2c838173f8c2bd0090ae1

          SHA256

          8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

          SHA512

          aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

        • C:\Users\Admin\AppData\Local\a6675444-99c3-4193-bd23-46f30e9ba3fd\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/1608-136-0x0000000002490000-0x00000000025AB000-memory.dmp

          Filesize

          1.1MB

        • memory/2252-158-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2252-171-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2252-152-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2252-151-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2252-166-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2252-281-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2252-168-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2252-159-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2252-153-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/2252-204-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4496-183-0x0000000000A80000-0x0000000000AD7000-memory.dmp

          Filesize

          348KB

        • memory/4616-184-0x0000000000400000-0x000000000046B000-memory.dmp

          Filesize

          428KB

        • memory/4616-195-0x0000000000400000-0x000000000046B000-memory.dmp

          Filesize

          428KB

        • memory/4616-205-0x0000000061E00000-0x0000000061EF3000-memory.dmp

          Filesize

          972KB

        • memory/4616-185-0x0000000000400000-0x000000000046B000-memory.dmp

          Filesize

          428KB

        • memory/4616-276-0x0000000000400000-0x000000000046B000-memory.dmp

          Filesize

          428KB

        • memory/4616-277-0x0000000000400000-0x000000000046B000-memory.dmp

          Filesize

          428KB

        • memory/4616-278-0x0000000000400000-0x000000000046B000-memory.dmp

          Filesize

          428KB

        • memory/4616-181-0x0000000000400000-0x000000000046B000-memory.dmp

          Filesize

          428KB

        • memory/4780-138-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4780-147-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4780-135-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4780-134-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB

        • memory/4780-137-0x0000000000400000-0x0000000000537000-memory.dmp

          Filesize

          1.2MB