Analysis

  • max time kernel
    143s
  • max time network
    129s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    08-05-2024 15:49

General

  • Target

    110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe

  • Size

    722KB

  • MD5

    029f0e789f5b8d0b3f519b5bb9102754

  • SHA1

    51752b151911083df2f34fde4ae2aaf91de5e930

  • SHA256

    110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf

  • SHA512

    d8d2783d6d9707e1cc7347a8cc165ea2ed50e676f34882a36467205006a1c80aa11f1d84c157f57e227a497be769e45a6f82edc4b4a6fa2f015f21931bdbf06a

  • SSDEEP

    12288:d/ZTwWDTxvNaEXzoOOIIaMowVsKRunMBeJA5EBPYplkhNPgmux2LvJ8n3xs61D0:dD3XzHOlaqVs+unwGAoY3kLPbTN61D0

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .qeza

  • offline_id

    jgILOjDrBgyzY4JmT3B2jDSyBmDPBruKk8bKs6t1

  • payload_url

  • 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. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://wetransfer.com/downloads/665ddae3fc3cd10bbaaa4350408b196920240504141005/4cae7e Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. 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: 0869PsawqS

rsa_pubkey.plain

Signatures

  • Detected Djvu ransomware 19 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

  • Modifies file permissions 1 TTPs 1 IoCs
  • 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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
    "C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2844
    • C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
      "C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3308
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\9c05d49c-d6e6-42d5-9b40-a3f811ee599a" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        PID:2016
      • C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
        "C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:4064
        • C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
          "C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2468

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

    Filesize

    1KB

    MD5

    c2ddd6131bb0c41997c8da0d8994fd7d

    SHA1

    7069259aefeb312a0db100f91e215dc751bee162

    SHA256

    68d7d325f0dfe055b5eab56d62508770fcda6e90c535eebc1f7f5b47513d0748

    SHA512

    52ea8236a001b5582596a489cf12b810a963753c4a466449ab7287d04cfb083c500808f54ff5c834b0b4531f02dca426b8bae5abbe12c54e65bb5fa65d625098

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

    Filesize

    724B

    MD5

    8202a1cd02e7d69597995cabbe881a12

    SHA1

    8858d9d934b7aa9330ee73de6c476acf19929ff6

    SHA256

    58f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5

    SHA512

    97ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

    Filesize

    410B

    MD5

    136f309d136bf766e1331ced521aca0e

    SHA1

    62602785da381761f4ec71d5fb2b4ee1281369d6

    SHA256

    b6422146e0e345acd6f4c8265fadf45c33c17c739c7987ec83fc3a94868411f5

    SHA512

    c3595a48b82992b216b8c27e5744e0f2ab48494a27363a9a36b52ccce59349c41ba3a905c9e0765e6ea5fc4867259affbfbd8d9ba7b31855501cc30ccfb73cf4

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

    Filesize

    392B

    MD5

    06396e6975093cdf76327e6668ccf00d

    SHA1

    548659c2034dea3f084a582817a555a120b59216

    SHA256

    6e7dbfde43a807f77b4c743f3601546f5a0444cdcc742050396efa7383d94fed

    SHA512

    d34e33d677bae3f9dc62765542dca9e77512806e4ea6666628b41577b1b6fde388d1b8ae036d1f8616f497f96b225bc31a5f1ec9bda157aae7cafd83b9f2d558

  • C:\Users\Admin\AppData\Local\9c05d49c-d6e6-42d5-9b40-a3f811ee599a\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe

    Filesize

    722KB

    MD5

    029f0e789f5b8d0b3f519b5bb9102754

    SHA1

    51752b151911083df2f34fde4ae2aaf91de5e930

    SHA256

    110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf

    SHA512

    d8d2783d6d9707e1cc7347a8cc165ea2ed50e676f34882a36467205006a1c80aa11f1d84c157f57e227a497be769e45a6f82edc4b4a6fa2f015f21931bdbf06a

  • memory/2468-30-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2468-39-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2468-38-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2468-21-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2468-20-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2468-23-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2468-36-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2468-37-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2468-34-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2468-31-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2468-28-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2468-29-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/2844-2-0x0000000003820000-0x000000000393B000-memory.dmp

    Filesize

    1.1MB

  • memory/2844-1-0x0000000001CE0000-0x0000000001D7C000-memory.dmp

    Filesize

    624KB

  • memory/3308-4-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3308-3-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3308-5-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3308-6-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/3308-17-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4064-32-0x0000000000400000-0x0000000001A7F000-memory.dmp

    Filesize

    22.5MB

  • memory/4064-22-0x0000000000400000-0x0000000001A7F000-memory.dmp

    Filesize

    22.5MB