Analysis

  • max time kernel
    64s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/01/2023, 11:39

General

  • Target

    bc3c8c924623fde252926c1ad1cda9dd151c516d9173b0297681494f15d111cc.exe

  • Size

    828KB

  • MD5

    1c7c18d59d23a9901b0e2b8e48dcde2c

  • SHA1

    4579072148edd252a0a6eaa87eea1a0f73599258

  • SHA256

    bc3c8c924623fde252926c1ad1cda9dd151c516d9173b0297681494f15d111cc

  • SHA512

    304acab2ba7208aa70253b7dde1e90e0782b480481174c61432843f3c7870e07501b7f502ad6c2f6fecba863cdca5792cc30bc3e5173127c002537951e19656d

  • SSDEEP

    12288:gHR+kTeoUZ16muU4/0R2d4UloIh3BQ4Qpd0nuLpY4hR9f645zkOkTKS:gH3ZqXT4/Y2d1Q4udlXNfJ51kTv

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .mzop

  • offline_id

    ex4uvTKsM2vEkIcr3MjXi2C6v27h1mS682iUXGt1

  • payload_url

    http://uaery.top/dl/build2.exe

    http://spaceris.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-cud8EGMtyB 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: 0637hhsjf

rsa_pubkey.plain

Extracted

Family

vidar

Version

2.1

Botnet

19

C2

https://t.me/jetbim

https://steamcommunity.com/profiles/76561199471266194

Attributes
  • profile_id

    19

Signatures

  • Detected Djvu ransomware 10 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 2 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bc3c8c924623fde252926c1ad1cda9dd151c516d9173b0297681494f15d111cc.exe
    "C:\Users\Admin\AppData\Local\Temp\bc3c8c924623fde252926c1ad1cda9dd151c516d9173b0297681494f15d111cc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4856
    • C:\Users\Admin\AppData\Local\Temp\bc3c8c924623fde252926c1ad1cda9dd151c516d9173b0297681494f15d111cc.exe
      "C:\Users\Admin\AppData\Local\Temp\bc3c8c924623fde252926c1ad1cda9dd151c516d9173b0297681494f15d111cc.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4544
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\cff261be-44dc-4961-b1af-135546f903f6" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:4580
      • C:\Users\Admin\AppData\Local\Temp\bc3c8c924623fde252926c1ad1cda9dd151c516d9173b0297681494f15d111cc.exe
        "C:\Users\Admin\AppData\Local\Temp\bc3c8c924623fde252926c1ad1cda9dd151c516d9173b0297681494f15d111cc.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1404
        • C:\Users\Admin\AppData\Local\Temp\bc3c8c924623fde252926c1ad1cda9dd151c516d9173b0297681494f15d111cc.exe
          "C:\Users\Admin\AppData\Local\Temp\bc3c8c924623fde252926c1ad1cda9dd151c516d9173b0297681494f15d111cc.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Checks computer location settings
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4088
          • C:\Users\Admin\AppData\Local\3bb58b89-bde8-405c-b51f-de0829927e0d\build2.exe
            "C:\Users\Admin\AppData\Local\3bb58b89-bde8-405c-b51f-de0829927e0d\build2.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:908
            • C:\Users\Admin\AppData\Local\3bb58b89-bde8-405c-b51f-de0829927e0d\build2.exe
              "C:\Users\Admin\AppData\Local\3bb58b89-bde8-405c-b51f-de0829927e0d\build2.exe"
              6⤵
              • Executes dropped EXE
              • Checks computer location settings
              • Loads dropped DLL
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:4224
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\3bb58b89-bde8-405c-b51f-de0829927e0d\build2.exe" & exit
                7⤵
                • Suspicious use of WriteProcessMemory
                PID:3568
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 6
                  8⤵
                  • Delays execution with timeout.exe
                  PID:4524

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\mozglue.dll

    Filesize

    133KB

    MD5

    8f73c08a9660691143661bf7332c3c27

    SHA1

    37fa65dd737c50fda710fdbde89e51374d0c204a

    SHA256

    3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

    SHA512

    0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

  • C:\ProgramData\nss3.dll

    Filesize

    1.2MB

    MD5

    bfac4e3c5908856ba17d41edcd455a51

    SHA1

    8eec7e888767aa9e4cca8ff246eb2aacb9170428

    SHA256

    e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

    SHA512

    2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

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

    Filesize

    2KB

    MD5

    f668969af5f91ebc063c10916957b5f0

    SHA1

    154f8af4e956880f374b7d9ca0a59be37d979eba

    SHA256

    971130ecefcbbbf90c16c913c8d56cb3bb9765edaf09490c6289dcd7faed47f0

    SHA512

    696d0361b41ba4db1b7ef8790e3449e9ab89f0ba146aefefbefc5afff3ed758dcf5cbc64311b2228bc97ef09771614c32d9a8d5c56a9322dfbcf1a5b2702da95

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

    Filesize

    1KB

    MD5

    c2c1a9b0cafc44a493ecf30b565db71f

    SHA1

    59f89c9d3a7d0064b7c0776455a19da9f8284f58

    SHA256

    1e6b79c51887ec42c5358fc37f1157a77163657c25b2b27c68a5ef1baff4fce1

    SHA512

    eec0b3dc7ed29e03dc3b3cc560d56ed777bb2ffab37397dae9a0a0a68990d3277e9973c803bf44e32ccab25a05a928c66be5d291808071779b1b47f288309fea

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

    Filesize

    488B

    MD5

    76f168f7322760e950c0bf3d9bb002db

    SHA1

    fb47db696c23f031d11a2d5ee66a0bba7ab4a631

    SHA256

    9b86e440299336502ea6c372b48e173c0a2a69443f859ad1d7be47e613f71ea5

    SHA512

    b56bc57369bb3970bc180b0dee1ceb05eaec34fdf6aaf3e1aaab799b9bece5b4cf4fdb95c5ba9fc6ee557306bcbf66f4b683c000b86eb7c7a2f491b690674fc6

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

    Filesize

    482B

    MD5

    f560954291b63f461cbd6a89de4b6264

    SHA1

    7ad92d8db19928895f726b647fc5bd5e3210780d

    SHA256

    a18a1b2e4b5fcfd0781d0b258cd94db205981136796447cafbaab779a7606110

    SHA512

    943c1da2b0f8dbc9c75ad02db73b9d49770c0bab54e473facbef5ac24457ec470a35a3dcbb2e90355eba6a5bf693480ddab972c37ec197024f12545257fba50f

  • C:\Users\Admin\AppData\Local\3bb58b89-bde8-405c-b51f-de0829927e0d\build2.exe

    Filesize

    343KB

    MD5

    7321ac833e240c7d1a799184c32d4bb6

    SHA1

    cd5233a64aaf61f63c97241b2d4d3f4c4af2f52c

    SHA256

    43a80ac218836ddd131f7377d0bef4fca5c3a1eb3fe05a63c69ce283dc32931e

    SHA512

    ad89c702c0dd23318c3c7805613707a6530b813c0b4e68afa22c11ef6237ec19455b1609e0fd276a8c577fb5aea51338a472561bdcda747bc1b636156ba722a4

  • C:\Users\Admin\AppData\Local\3bb58b89-bde8-405c-b51f-de0829927e0d\build2.exe

    Filesize

    343KB

    MD5

    7321ac833e240c7d1a799184c32d4bb6

    SHA1

    cd5233a64aaf61f63c97241b2d4d3f4c4af2f52c

    SHA256

    43a80ac218836ddd131f7377d0bef4fca5c3a1eb3fe05a63c69ce283dc32931e

    SHA512

    ad89c702c0dd23318c3c7805613707a6530b813c0b4e68afa22c11ef6237ec19455b1609e0fd276a8c577fb5aea51338a472561bdcda747bc1b636156ba722a4

  • C:\Users\Admin\AppData\Local\3bb58b89-bde8-405c-b51f-de0829927e0d\build2.exe

    Filesize

    343KB

    MD5

    7321ac833e240c7d1a799184c32d4bb6

    SHA1

    cd5233a64aaf61f63c97241b2d4d3f4c4af2f52c

    SHA256

    43a80ac218836ddd131f7377d0bef4fca5c3a1eb3fe05a63c69ce283dc32931e

    SHA512

    ad89c702c0dd23318c3c7805613707a6530b813c0b4e68afa22c11ef6237ec19455b1609e0fd276a8c577fb5aea51338a472561bdcda747bc1b636156ba722a4

  • C:\Users\Admin\AppData\Local\cff261be-44dc-4961-b1af-135546f903f6\bc3c8c924623fde252926c1ad1cda9dd151c516d9173b0297681494f15d111cc.exe

    Filesize

    828KB

    MD5

    1c7c18d59d23a9901b0e2b8e48dcde2c

    SHA1

    4579072148edd252a0a6eaa87eea1a0f73599258

    SHA256

    bc3c8c924623fde252926c1ad1cda9dd151c516d9173b0297681494f15d111cc

    SHA512

    304acab2ba7208aa70253b7dde1e90e0782b480481174c61432843f3c7870e07501b7f502ad6c2f6fecba863cdca5792cc30bc3e5173127c002537951e19656d

  • memory/908-161-0x000000000072D000-0x000000000075E000-memory.dmp

    Filesize

    196KB

  • memory/908-162-0x00000000020B0000-0x0000000002106000-memory.dmp

    Filesize

    344KB

  • memory/1404-145-0x000000000215D000-0x00000000021EE000-memory.dmp

    Filesize

    580KB

  • memory/4088-147-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4088-148-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4088-164-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4088-146-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4224-165-0x0000000060900000-0x0000000060992000-memory.dmp

    Filesize

    584KB

  • memory/4224-163-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/4224-157-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/4224-187-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/4224-159-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/4224-160-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/4544-133-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4544-138-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4544-134-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4544-142-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4544-137-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4856-135-0x0000000000695000-0x0000000000726000-memory.dmp

    Filesize

    580KB

  • memory/4856-136-0x00000000023F0000-0x000000000250B000-memory.dmp

    Filesize

    1.1MB