Analysis

  • max time kernel
    143s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 19:21

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.

  • Djvu family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4728
    • C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
      "C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5064
      • C:\Windows\SysWOW64\icacls.exe
        icacls "C:\Users\Admin\AppData\Local\451d642e-c906-4dac-b298-1e23cba45e1d" /deny *S-1-1-0:(OI)(CI)(DE,DC)
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:4460
      • C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
        "C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe" --Admin IsNotAutoStart IsNotTask
        3⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3312
        • C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe
          "C:\Users\Admin\AppData\Local\Temp\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe" --Admin IsNotAutoStart IsNotTask
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:4804

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12

    Filesize

    1KB

    MD5

    67e486b2f148a3fca863728242b6273e

    SHA1

    452a84c183d7ea5b7c015b597e94af8eef66d44a

    SHA256

    facaf1c3a4bf232abce19a2d534e495b0d3adc7dbe3797d336249aa6f70adcfb

    SHA512

    d3a37da3bb10a9736dc03e8b2b49baceef5d73c026e2077b8ebc1b786f2c9b2f807e0aa13a5866cf3b3cafd2bc506242ef139c423eaffb050bbb87773e53881e

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8

    Filesize

    436B

    MD5

    971c514f84bba0785f80aa1c23edfd79

    SHA1

    732acea710a87530c6b08ecdf32a110d254a54c8

    SHA256

    f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895

    SHA512

    43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12

    Filesize

    174B

    MD5

    3da8643071e24add78ebd5ec74dd0c0f

    SHA1

    88d0cdfc67b6aa9259ad8f949a327d685a32e2c5

    SHA256

    c4c5d68f03e446397527cec01889ce98bd5c57d429ae275973f01c889b1be724

    SHA512

    0115758299a7b7e6feb171b2dfebf7646de6592af017b88ec734814fe859dfa72580439ccae3d03832c8cda934ad062c76c92ba343a21d0cff9dfd87665c92bc

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8

    Filesize

    170B

    MD5

    8f989f2b7208c1a2bb7c3bf7329c75ab

    SHA1

    f29edb5229f20efd39bb614b03d39d7791e176ed

    SHA256

    2070d9258f79fc9b76a1ccb25f1a66a07037d1c8f27ce631f09be24db1117372

    SHA512

    aaa63562e3df45d1ef2e52c51f84b43dae9ee7184263e8783ef3be0a660af3983cf46e428764f7283af45651f0abc5c114d29fc6a73b3a8d2493baa3150a9aaa

  • C:\Users\Admin\AppData\Local\451d642e-c906-4dac-b298-1e23cba45e1d\110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf.exe

    Filesize

    722KB

    MD5

    029f0e789f5b8d0b3f519b5bb9102754

    SHA1

    51752b151911083df2f34fde4ae2aaf91de5e930

    SHA256

    110eedf789feeb746b14dfc2d1a93aa580dfa110a4cb3073ce4d9460de5309cf

    SHA512

    d8d2783d6d9707e1cc7347a8cc165ea2ed50e676f34882a36467205006a1c80aa11f1d84c157f57e227a497be769e45a6f82edc4b4a6fa2f015f21931bdbf06a

  • memory/3312-24-0x0000000000400000-0x0000000001A7F000-memory.dmp

    Filesize

    22.5MB

  • memory/3312-35-0x0000000000400000-0x0000000001A7F000-memory.dmp

    Filesize

    22.5MB

  • memory/4728-1-0x0000000001C20000-0x0000000001CB5000-memory.dmp

    Filesize

    596KB

  • memory/4728-2-0x0000000003860000-0x000000000397B000-memory.dmp

    Filesize

    1.1MB

  • memory/4804-36-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4804-39-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4804-34-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4804-44-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4804-32-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4804-43-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4804-42-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4804-23-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4804-25-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4804-41-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4804-33-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/4804-22-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/5064-3-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/5064-4-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/5064-6-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/5064-19-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB

  • memory/5064-5-0x0000000000400000-0x0000000000537000-memory.dmp

    Filesize

    1.2MB