Overview

overview

10

Static

static

10

2024-09-06...op.exe

windows7-x64

10

2024-09-06...op.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-09-2024 02:43

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General

  • Target

    2024-09-06_98157dc534755cc2cc6325500707f7d4_stop.exe

  • Size

    1.1MB

  • MD5

    98157dc534755cc2cc6325500707f7d4

  • SHA1

    59621075dfa80ee4a1691e24fbb95f7f9314dc04

  • SHA256

    8b53d0a0c9e60040048b621009f3a580340dda75341f3b298d4869352396fc0e

  • SHA512

    9cb394871d98c0d8f6b20dd5261803563f3298ccfa6b9da2e6d5829d740fe1437b1f263438d968ca711a7d13d3ef2fa8ffdc1a4f330865842be8885d4706085d

  • SSDEEP

    24576:ZBUIKn/vwOXGUXAjCymYZiVtElVIBT2roqnTSSxWeT/dRPOO8jWQHUq7:F0dwAYZt6C31WeTVRPOhj7Uq7

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

http://tzgl.org/test1/get.php

Attributes
  • extension

    .qqqw

  • offline_id

    Gy1ekaHyw11ZDr43dKFxYo9wA3NxFYOUEc6Pwvt1

  • payload_url

    http://lencu.top/dl/build01.exe

    http://tzgl.org/files/1/build02.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-veBR09KNyi 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: 0377UIhfSd

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\2024-09-06_98157dc534755cc2cc6325500707f7d4_stop.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-06_98157dc534755cc2cc6325500707f7d4_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:4944
    • C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Users\Admin\AppData\Local\157c1243-4c71-4b8b-a4b2-ce6a872241e0" /deny *S-1-1-0:(OI)(CI)(DE,DC)
      2⤵
      • Modifies file permissions
      • System Location Discovery: System Language Discovery
      PID:3592
    • C:\Users\Admin\AppData\Local\Temp\2024-09-06_98157dc534755cc2cc6325500707f7d4_stop.exe
      "C:\Users\Admin\AppData\Local\Temp\2024-09-06_98157dc534755cc2cc6325500707f7d4_stop.exe" --Admin IsNotAutoStart IsNotTask
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2532

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    1KB

    MD5

    7fb5fa1534dcf77f2125b2403b30a0ee

    SHA1

    365d96812a69ac0a4611ea4b70a3f306576cc3ea

    SHA256

    33a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f

    SHA512

    a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e

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

    436B

    MD5

    971c514f84bba0785f80aa1c23edfd79

    SHA1

    732acea710a87530c6b08ecdf32a110d254a54c8

    SHA256

    f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895

    SHA512

    43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58

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

    174B

    MD5

    3c8e9cacee19b52c1cd82870e5c6bf27

    SHA1

    8700a1d2f4e79f583f0bc488c33b465688023f20

    SHA256

    6f17c7cc7ab8c69fd76a3c395eac58b96e53ca987da0680548563b682f116dc8

    SHA512

    685df33823a6d11cf8b15094bdf7170a7f383e75edcf713a878529de8e553e502abacc0d14c332b7cf4d3983926148f519226806fd8e89fac7aa550362675842

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

    170B

    MD5

    759c67853a19f5af86e81c9895d3a68a

    SHA1

    2e4351cc88f4795fadcbe3d16d589a77922945f2

    SHA256

    a5e8f120b9c8e0c674e7cb84d9738017182749f2a04e32366a027839fdb572b4

    SHA512

    f3c385988dbb99964934f99174732b598e77636432fb0af5ffe56de9046a402ebf52672f1455e97f30ef2331a9449784386389ca63c65e4e6c569c7ffc02c641

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  • C:\Users\Admin\AppData\Local\157c1243-4c71-4b8b-a4b2-ce6a872241e0\2024-09-06_98157dc534755cc2cc6325500707f7d4_stop.exe
    Filesize

    1.1MB

    MD5

    98157dc534755cc2cc6325500707f7d4

    SHA1

    59621075dfa80ee4a1691e24fbb95f7f9314dc04

    SHA256

    8b53d0a0c9e60040048b621009f3a580340dda75341f3b298d4869352396fc0e

    SHA512

    9cb394871d98c0d8f6b20dd5261803563f3298ccfa6b9da2e6d5829d740fe1437b1f263438d968ca711a7d13d3ef2fa8ffdc1a4f330865842be8885d4706085d

    Download Submit