Analysis
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max time kernel
147s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
27-04-2024 22:31
Static task
static1
Behavioral task
behavioral1
Sample
32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe
Resource
win11-20240419-en
General
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Target
32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe
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Size
807KB
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MD5
f22a07f566c981eb20ff0b4919acc695
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SHA1
8885990f31137750ca6cf4a4ef90b36942f6f890
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SHA256
32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea
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SHA512
7dc4983c0bc68bcce53c8420bb4c049e2cab07d509a0ca088f9d0c1e4803ed2c20f90a985f55564ce51edf8a455b6be4f62f199ec3462bff8343d57f1f642bff
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SSDEEP
12288:O7L6TRDWnyGDwYzM3JailasHMVD1duYBjSwzP3hINNvYe+l:BVWnDwYM1lJHidugTzRoNQe+
Malware Config
Extracted
djvu
http://cajgtus.com/test1/get.php
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extension
.bgjs
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offline_id
Z6iwSvCoAt8T8K2ROxecuXHPNHv7eDyWrc8Ks7t1
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payload_url
http://sdfjhuz.com/dl/build2.exe
http://cajgtus.com/files/1/build3.exe
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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/54cdfd152fe98eedb628a1f4ddb7076420240421150208/403a27 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: 0863PsawqS
Signatures
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Detected Djvu ransomware 17 IoCs
Processes:
resource yara_rule behavioral2/memory/4116-3-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4116-4-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4116-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3492-2-0x0000000003840000-0x000000000395B000-memory.dmp family_djvu behavioral2/memory/4116-6-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4116-12-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/720-14-0x0000000001D80000-0x0000000001E1A000-memory.dmp family_djvu behavioral2/memory/2148-16-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2148-17-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2148-18-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2148-20-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2148-19-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2148-26-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2148-29-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2148-28-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2148-30-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2148-32-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Modifies file permissions 1 TTPs 1 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-891789021-684472942-1795878712-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\804f1d4d-8ced-4b42-b44b-624a22a2324a\\32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe\" --AutoStart" 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 1 api.2ip.ua 5 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
Processes:
32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exedescription pid process target process PID 3492 set thread context of 4116 3492 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe PID 720 set thread context of 2148 720 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exepid process 4116 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe 4116 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe 2148 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe 2148 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exedescription pid process target process PID 3492 wrote to memory of 4116 3492 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe PID 3492 wrote to memory of 4116 3492 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe PID 3492 wrote to memory of 4116 3492 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe PID 3492 wrote to memory of 4116 3492 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe PID 3492 wrote to memory of 4116 3492 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe PID 3492 wrote to memory of 4116 3492 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe PID 3492 wrote to memory of 4116 3492 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe PID 3492 wrote to memory of 4116 3492 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe PID 3492 wrote to memory of 4116 3492 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe PID 3492 wrote to memory of 4116 3492 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe PID 4116 wrote to memory of 4508 4116 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe icacls.exe PID 4116 wrote to memory of 4508 4116 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe icacls.exe PID 4116 wrote to memory of 4508 4116 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe icacls.exe PID 4116 wrote to memory of 720 4116 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe PID 4116 wrote to memory of 720 4116 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe PID 4116 wrote to memory of 720 4116 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe PID 720 wrote to memory of 2148 720 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe PID 720 wrote to memory of 2148 720 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe PID 720 wrote to memory of 2148 720 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe PID 720 wrote to memory of 2148 720 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe PID 720 wrote to memory of 2148 720 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe PID 720 wrote to memory of 2148 720 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe PID 720 wrote to memory of 2148 720 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe PID 720 wrote to memory of 2148 720 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe PID 720 wrote to memory of 2148 720 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe PID 720 wrote to memory of 2148 720 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe 32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe"C:\Users\Admin\AppData\Local\Temp\32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3492 -
C:\Users\Admin\AppData\Local\Temp\32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe"C:\Users\Admin\AppData\Local\Temp\32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4116 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\804f1d4d-8ced-4b42-b44b-624a22a2324a" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:4508
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C:\Users\Admin\AppData\Local\Temp\32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe"C:\Users\Admin\AppData\Local\Temp\32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:720 -
C:\Users\Admin\AppData\Local\Temp\32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe"C:\Users\Admin\AppData\Local\Temp\32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Suspicious behavior: EnumeratesProcesses
PID:2148
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\804f1d4d-8ced-4b42-b44b-624a22a2324a\32ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea.exe
Filesize807KB
MD5f22a07f566c981eb20ff0b4919acc695
SHA18885990f31137750ca6cf4a4ef90b36942f6f890
SHA25632ca82ed5bd55e19ba8bbfe9381b52c3b6c0231ccd468bf52582e14c17e001ea
SHA5127dc4983c0bc68bcce53c8420bb4c049e2cab07d509a0ca088f9d0c1e4803ed2c20f90a985f55564ce51edf8a455b6be4f62f199ec3462bff8343d57f1f642bff