Analysis
-
max time kernel
92s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
16-06-2024 11:33
Behavioral task
behavioral1
Sample
2024-06-16_5230bc2f8f129c1cdcaa87821ef38b6d_stop.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-06-16_5230bc2f8f129c1cdcaa87821ef38b6d_stop.exe
Resource
win10v2004-20240611-en
General
-
Target
2024-06-16_5230bc2f8f129c1cdcaa87821ef38b6d_stop.exe
-
Size
1.1MB
-
MD5
5230bc2f8f129c1cdcaa87821ef38b6d
-
SHA1
94c4e81a6d6ed0bc98ed7448cf60c3d2142ef32e
-
SHA256
cbeb7eeb2ba0e370efa87676217c68f0de0067a465d4d0b422d78ddb3168ec1e
-
SHA512
817b0ce33b9c4f1f944048f10226295664636ddce01190041c7660652ab054b6fb43a940c4d39ee06ac7ba0dc57b47ba9e0e757aa83dce1c07ab38afed8d1663
-
SSDEEP
24576:ZBUIKn/vwOXGUXAjCymYZiVtElVIBT2roqnTSSxWeT/dRPOO8WWQHUq7:F0dwAYZt6C31WeTVRPOhW7Uq7
Malware Config
Extracted
djvu
http://cajgtus.com/test1/get.php
-
extension
.watz
-
offline_id
Lc3VTezPWbMhuVAQFzJUdeA68PwI7UDpc5aKHYt1
- 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/abe121434ad837dd5bdd03878a14485820240531135509/34284d 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: 0874PsawqS
Signatures
-
Detected Djvu ransomware 1 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\4edece56-e3d2-467b-a224-29d603847696\2024-06-16_5230bc2f8f129c1cdcaa87821ef38b6d_stop.exe family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
2024-06-16_5230bc2f8f129c1cdcaa87821ef38b6d_stop.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation 2024-06-16_5230bc2f8f129c1cdcaa87821ef38b6d_stop.exe -
Modifies file permissions 1 TTPs 1 IoCs
-
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
2024-06-16_5230bc2f8f129c1cdcaa87821ef38b6d_stop.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\4edece56-e3d2-467b-a224-29d603847696\\2024-06-16_5230bc2f8f129c1cdcaa87821ef38b6d_stop.exe\" --AutoStart" 2024-06-16_5230bc2f8f129c1cdcaa87821ef38b6d_stop.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 1 api.2ip.ua 2 api.2ip.ua 18 api.2ip.ua -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
2024-06-16_5230bc2f8f129c1cdcaa87821ef38b6d_stop.exe2024-06-16_5230bc2f8f129c1cdcaa87821ef38b6d_stop.exepid process 2452 2024-06-16_5230bc2f8f129c1cdcaa87821ef38b6d_stop.exe 2452 2024-06-16_5230bc2f8f129c1cdcaa87821ef38b6d_stop.exe 3588 2024-06-16_5230bc2f8f129c1cdcaa87821ef38b6d_stop.exe 3588 2024-06-16_5230bc2f8f129c1cdcaa87821ef38b6d_stop.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
2024-06-16_5230bc2f8f129c1cdcaa87821ef38b6d_stop.exedescription pid process target process PID 2452 wrote to memory of 1776 2452 2024-06-16_5230bc2f8f129c1cdcaa87821ef38b6d_stop.exe icacls.exe PID 2452 wrote to memory of 1776 2452 2024-06-16_5230bc2f8f129c1cdcaa87821ef38b6d_stop.exe icacls.exe PID 2452 wrote to memory of 1776 2452 2024-06-16_5230bc2f8f129c1cdcaa87821ef38b6d_stop.exe icacls.exe PID 2452 wrote to memory of 3588 2452 2024-06-16_5230bc2f8f129c1cdcaa87821ef38b6d_stop.exe 2024-06-16_5230bc2f8f129c1cdcaa87821ef38b6d_stop.exe PID 2452 wrote to memory of 3588 2452 2024-06-16_5230bc2f8f129c1cdcaa87821ef38b6d_stop.exe 2024-06-16_5230bc2f8f129c1cdcaa87821ef38b6d_stop.exe PID 2452 wrote to memory of 3588 2452 2024-06-16_5230bc2f8f129c1cdcaa87821ef38b6d_stop.exe 2024-06-16_5230bc2f8f129c1cdcaa87821ef38b6d_stop.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-06-16_5230bc2f8f129c1cdcaa87821ef38b6d_stop.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-16_5230bc2f8f129c1cdcaa87821ef38b6d_stop.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\4edece56-e3d2-467b-a224-29d603847696" /deny *S-1-1-0:(OI)(CI)(DE,DC)2⤵
- Modifies file permissions
-
C:\Users\Admin\AppData\Local\Temp\2024-06-16_5230bc2f8f129c1cdcaa87821ef38b6d_stop.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-16_5230bc2f8f129c1cdcaa87821ef38b6d_stop.exe" --Admin IsNotAutoStart IsNotTask2⤵
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12Filesize
1KB
MD52365869258df7a66a2121b802ca4afd9
SHA173acc30a2edeb9d6830de559bb8a74f35168135d
SHA256d6b1932822bbd72a8e78c771717d992142348f67d625a42393719fefbe59b0ed
SHA512795004bab536e128dbd81c188976d37c7b650efbfa5a80374df4c65a1049c27658f4620b7605583928eb167fcb69b4c99e4c8730c507b824a7bde9c7fb0e21f4
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8Filesize
436B
MD51bfe0a81db078ea084ff82fe545176fe
SHA150b116f578bd272922fa8eae94f7b02fd3b88384
SHA2565ba8817f13eee00e75158bad93076ab474a068c6b52686579e0f728fda68499f
SHA51237c582f3f09f8d80529608c09041295d1644bcc9de6fb8c4669b05339b0dd870f9525abc5eed53ad06a94b51441275504bc943c336c5beb63b53460ba836ca8d
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12Filesize
174B
MD51e0dfcb0001df5f10c07caaf8a7acee9
SHA146c730e48e93e37bb6965f80ab28994a5ed44986
SHA2563f33776e22e424e015c664cae0e4f217cca01518f90887f08706d5d4c9bbfe8d
SHA51272c15d6a4a5e3176152d879986761b1cb1d2618dfc56b59504bc753546f52d7fb0811ac0de88d4c2d02f0e2d474d5fe8c20fe39a5fde5a408044667e1a058e69
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8Filesize
170B
MD5d90cf83146dcf1ab4044162422f99b80
SHA14bc5515e6b5fb36b0742a8584f991c2092225300
SHA2562f6e90335630bbcf4820c6c45e8475dd0d92a1f4efca4cff3d78cb9f0a3879cb
SHA51298848d76084e20557e0ab31c7c2609815d4668c9b649236a7c28b6c145795453cc03cd0ebe5f75644fc8601fea91d137bed91957969e2466a21ab5d8fbf50b85
-
C:\Users\Admin\AppData\Local\4edece56-e3d2-467b-a224-29d603847696\2024-06-16_5230bc2f8f129c1cdcaa87821ef38b6d_stop.exeFilesize
1.1MB
MD55230bc2f8f129c1cdcaa87821ef38b6d
SHA194c4e81a6d6ed0bc98ed7448cf60c3d2142ef32e
SHA256cbeb7eeb2ba0e370efa87676217c68f0de0067a465d4d0b422d78ddb3168ec1e
SHA512817b0ce33b9c4f1f944048f10226295664636ddce01190041c7660652ab054b6fb43a940c4d39ee06ac7ba0dc57b47ba9e0e757aa83dce1c07ab38afed8d1663