Overview

overview

10

Static

static

10

2024-08-10...op.exe

windows7-x64

10

2024-08-10...op.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    133s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-08-2024 03:49

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    2024-08-10_258b365aa910c2560eee37b70df27656_stop.exe

  • Size

    1.1MB

  • MD5

    258b365aa910c2560eee37b70df27656

  • SHA1

    117e38e9ea29f84128ab63e03c3694fc1acc5eec

  • SHA256

    ca6794679dc6c84aa9870304229cbbbcd4a6c97149bb8bb1fc01912a64d17e2c

  • SHA512

    7ca59107ca25875651d27dfedc6cb0af1528e6cd32d237c4e7986112b9065567ad96784d57bef9ce4b67258bdc04943d1b864fdd1de278d34fea54ec2745e328

  • SSDEEP

    24576:ZBUIKn/vwOXGUXAjCymYZiVtElVIBT2roqnTSSxWeT/dRPOO8jWQHUq7:F0dwAYZt6C31WeTVRPOhj7Uq7

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

http://drampik.com/test1/get.php

Attributes
  • extension

    .mzqw

  • offline_id

    ex4uvTKsM2vEkIcr3MjXi2C6v27h1mS682iUXGt1

  • payload_url

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

    http://drampik.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-uZxWxoKbU5 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: 0635JOsie

rsa_pubkey.plain

Signatures

  • Detected Djvu ransomware 1 IoCs
  • Djvu Ransomware

    Ransomware which is a variant of the STOP family.

    ransomwaredjvu
  • 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
    discovery
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-08-10_258b365aa910c2560eee37b70df27656_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-10_258b365aa910c2560eee37b70df27656_stop.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1256
    • C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Users\Admin\AppData\Local\d41ca5c6-ce65-4178-a2d9-e93600f47eb0" /deny *S-1-1-0:(OI)(CI)(DE,DC)
      2⤵
      • Modifies file permissions
      • System Location Discovery: System Language Discovery
      PID:4204
    • C:\Users\Admin\AppData\Local\Temp\2024-08-10_258b365aa910c2560eee37b70df27656_stop.exe
      "C:\Users\Admin\AppData\Local\Temp\2024-08-10_258b365aa910c2560eee37b70df27656_stop.exe" --Admin IsNotAutoStart IsNotTask
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4544

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    1KB

    MD5

    7fb5fa1534dcf77f2125b2403b30a0ee

    SHA1

    365d96812a69ac0a4611ea4b70a3f306576cc3ea

    SHA256

    33a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f

    SHA512

    a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e

    Download Submit

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

    436B

    MD5

    971c514f84bba0785f80aa1c23edfd79

    SHA1

    732acea710a87530c6b08ecdf32a110d254a54c8

    SHA256

    f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895

    SHA512

    43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58

    Download Submit

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

    174B

    MD5

    a37cb0bb827c63939180cbc92f0a438c

    SHA1

    9be393f18f708c2919dbd3fc34c9b96253a4a55a

    SHA256

    2f44f23d55342967b1bae4289fe4531cb6273a34dc13d81962c1b4ee81e148ab

    SHA512

    0bea92f2431909490c293b04c01cb0583bcb51f1298c5749081413a9f90a1656dcd0436e8858bf9cc5c86cdedbde93a64fd7b726894a3f94c1e1866c86d81dde

    Download Submit

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

    170B

    MD5

    dccfc76b23de7d8992b506e0bfcadd22

    SHA1

    a033109058a24fa78aa067a4c62b0c5f1821f0a7

    SHA256

    3c21063f50fcaf076358fe027fb9f58ebfa65cfc2d99a5576b1482b472ba7324

    SHA512

    f03e6e13215fa64a48155c1a262e0976d0465108426975e552389e4cccf2aa6ef278be8fb4bcdd3c584fbf72134da4eb3ee2e1657051c5cacba3fddf6b5578c2

    Download Submit

  • C:\Users\Admin\AppData\Local\d41ca5c6-ce65-4178-a2d9-e93600f47eb0\2024-08-10_258b365aa910c2560eee37b70df27656_stop.exe
    Filesize

    1.1MB

    MD5

    258b365aa910c2560eee37b70df27656

    SHA1

    117e38e9ea29f84128ab63e03c3694fc1acc5eec

    SHA256

    ca6794679dc6c84aa9870304229cbbbcd4a6c97149bb8bb1fc01912a64d17e2c

    SHA512

    7ca59107ca25875651d27dfedc6cb0af1528e6cd32d237c4e7986112b9065567ad96784d57bef9ce4b67258bdc04943d1b864fdd1de278d34fea54ec2745e328

    Download Submit