Analysis
-
max time kernel
298s -
max time network
298s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
20-06-2024 22:46
Static task
static1
Behavioral task
behavioral1
Sample
567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe
Resource
win10-20240404-en
General
-
Target
567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe
-
Size
824KB
-
MD5
9b3e38e023020228484dcc008d6f6e52
-
SHA1
16a218483c71a8edeb7c43a9ff3696e53c586ef2
-
SHA256
567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f
-
SHA512
0f46c3509890560a4c753efb5d6b940b545a2619b277c536fae8cb2dab280def9afd61b7d7d7e0ab08a879dcf2288705e92a3066b37da1a1c2b0e0ca64e98399
-
SSDEEP
24576:ATJYdNu+4/LN1WKVQ7A6WNETiczoc9myk:AGV4/LK+pPwRNmy
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 17 IoCs
Processes:
resource yara_rule behavioral2/memory/3480-1-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3480-3-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3480-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3480-6-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4656-4-0x00000000021B0000-0x00000000022CB000-memory.dmp family_djvu behavioral2/memory/3480-21-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1368-25-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1368-28-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1368-26-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1368-35-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1368-37-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1368-36-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1368-38-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1368-42-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1368-43-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1368-40-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1368-44-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
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
Processes:
567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\a68274d3-54f0-4e41-b3a8-2d3e6fcb9529\\567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe\" --AutoStart" 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.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 2 api.2ip.ua 9 api.2ip.ua 1 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
Processes:
567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exedescription pid process target process PID 4656 set thread context of 3480 4656 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 2104 set thread context of 1368 2104 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exepid process 3480 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 3480 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 1368 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 1368 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exedescription pid process target process PID 4656 wrote to memory of 3480 4656 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 4656 wrote to memory of 3480 4656 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 4656 wrote to memory of 3480 4656 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 4656 wrote to memory of 3480 4656 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 4656 wrote to memory of 3480 4656 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 4656 wrote to memory of 3480 4656 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 4656 wrote to memory of 3480 4656 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 4656 wrote to memory of 3480 4656 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 4656 wrote to memory of 3480 4656 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 4656 wrote to memory of 3480 4656 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 3480 wrote to memory of 164 3480 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe icacls.exe PID 3480 wrote to memory of 164 3480 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe icacls.exe PID 3480 wrote to memory of 164 3480 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe icacls.exe PID 3480 wrote to memory of 2104 3480 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 3480 wrote to memory of 2104 3480 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 3480 wrote to memory of 2104 3480 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 2104 wrote to memory of 1368 2104 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 2104 wrote to memory of 1368 2104 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 2104 wrote to memory of 1368 2104 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 2104 wrote to memory of 1368 2104 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 2104 wrote to memory of 1368 2104 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 2104 wrote to memory of 1368 2104 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 2104 wrote to memory of 1368 2104 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 2104 wrote to memory of 1368 2104 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 2104 wrote to memory of 1368 2104 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe PID 2104 wrote to memory of 1368 2104 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe 567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe"C:\Users\Admin\AppData\Local\Temp\567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe"C:\Users\Admin\AppData\Local\Temp\567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\a68274d3-54f0-4e41-b3a8-2d3e6fcb9529" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
-
C:\Users\Admin\AppData\Local\Temp\567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe"C:\Users\Admin\AppData\Local\Temp\567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe"C:\Users\Admin\AppData\Local\Temp\567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exe" --Admin IsNotAutoStart IsNotTask4⤵
- 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
MD5c78e5adca1e6175932343b19e81a10ea
SHA180524ac3104e0de4ece00f95a939b60e9d613b6b
SHA256b235b2f6e871c67a0d3a2787fabd1a123afaef0a30231399c428c3e6736579b3
SHA51246f3d41f9086e20c8786169451ce7fc47c9cdae613e192324c5b0f1cc22d04c702e903197c8e41cc4bbba4a63356bed69b2c997e9bb87ddd69befcd36f978eac
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8Filesize
170B
MD57a26f939d09d60da6e97ec91276b8e85
SHA1367e5e3ab2429750c7c6ccb6b7a77c24fbcc816b
SHA2567951449270b741fa8389c420a7233e7481efee572ff583fa6b7e61678c1f5f2a
SHA512982bd32db30706b1b6e434365f70dbe341d6f3c40f9161b4427d457031f1e3361cbd8daceb42fe66dc5adb1826ea2f393e0314477b84496ad38a32bc4c65ca09
-
C:\Users\Admin\AppData\Local\a68274d3-54f0-4e41-b3a8-2d3e6fcb9529\567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f.exeFilesize
824KB
MD59b3e38e023020228484dcc008d6f6e52
SHA116a218483c71a8edeb7c43a9ff3696e53c586ef2
SHA256567ed29376b1cdfc820544d6d8e38d58187476a0b911226d5cb8e95f69dcba6f
SHA5120f46c3509890560a4c753efb5d6b940b545a2619b277c536fae8cb2dab280def9afd61b7d7d7e0ab08a879dcf2288705e92a3066b37da1a1c2b0e0ca64e98399
-
memory/1368-26-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1368-35-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1368-44-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1368-40-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1368-25-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1368-43-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1368-28-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1368-42-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1368-38-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1368-36-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/1368-37-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/2104-27-0x0000000000400000-0x00000000004DE000-memory.dmpFilesize
888KB
-
memory/2104-23-0x0000000000400000-0x00000000004DE000-memory.dmpFilesize
888KB
-
memory/3480-1-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/3480-3-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/3480-5-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/3480-6-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/3480-21-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
-
memory/4656-2-0x0000000000770000-0x0000000000807000-memory.dmpFilesize
604KB
-
memory/4656-4-0x00000000021B0000-0x00000000022CB000-memory.dmpFilesize
1.1MB