djvu | f874d2ec768aac73111ccc280352a8769b03d1789327b0b3e9674c55e0de1c01

Analysis

max time kernel
150s
max time network
126s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
09/08/2026, 11:33

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
f874d2ec768aac73111ccc280352a8769b03d1789327b0b3e9674c55e0de1c01.exe
Size 790KB
Sample260809-nn17tazxft
SHA256 f874d2ec768aac73111ccc280352a8769b03d1789327b0b3e9674c55e0de1c01
MD5 4b53133b0e11c01f58a1ad4eb69fa0ce
SHA1 00a3b78374a127bcb3c944f4a65ff0fe5ba04d37
SHA512 95d6245010d4784c2bc8e06965d097997f5c70af6f57e8a5c89845920641db493ca2a659ff3b93bcfac2d927434d4589b37de1364d919947a5c687f3f89fcab1
SSDEEP 12288:Ex+HVyVS7kcMhsF6OwUdqSBnqQhDB2TMoWP6LxghFyjmHlYaOLUX:HEVSoTs8ShqwDBLMLihkjkWdLe
TLSH
T1FE05231131D5C031F2A75F36C560D6965F3BBCA198B2A06F7BA80A7E5F36090CB69327
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery djvu ransomware

Malware Config

Extracted

Family

djvu

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

Attributes

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

rsa_pubkey.plain

Signatures

Family: Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu

Detected Djvu ransomware 2 IoCs

resource	yara_rule
behavioral2/memory/3480-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2840-2-0x00000000043E0000-0x00000000044FB000-memory.dmp	family_djvu

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2840 set thread context of 3480	2840	f874d2ec768aac73111ccc280352a8769b03d1789327b0b3e9674c55e0de1c01.exe	89

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f874d2ec768aac73111ccc280352a8769b03d1789327b0b3e9674c55e0de1c01.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2840 wrote to memory of 3480	2840	f874d2ec768aac73111ccc280352a8769b03d1789327b0b3e9674c55e0de1c01.exe	89
PID 2840 wrote to memory of 3480	2840	f874d2ec768aac73111ccc280352a8769b03d1789327b0b3e9674c55e0de1c01.exe	89
PID 2840 wrote to memory of 3480	2840	f874d2ec768aac73111ccc280352a8769b03d1789327b0b3e9674c55e0de1c01.exe	89
PID 2840 wrote to memory of 3480	2840	f874d2ec768aac73111ccc280352a8769b03d1789327b0b3e9674c55e0de1c01.exe	89
PID 2840 wrote to memory of 3480	2840	f874d2ec768aac73111ccc280352a8769b03d1789327b0b3e9674c55e0de1c01.exe	89
PID 2840 wrote to memory of 3480	2840	f874d2ec768aac73111ccc280352a8769b03d1789327b0b3e9674c55e0de1c01.exe	89
PID 2840 wrote to memory of 3480	2840	f874d2ec768aac73111ccc280352a8769b03d1789327b0b3e9674c55e0de1c01.exe	89

C:\Users\Admin\AppData\Local\Temp\f874d2ec768aac73111ccc280352a8769b03d1789327b0b3e9674c55e0de1c01.exe
"C:\Users\Admin\AppData\Local\Temp\f874d2ec768aac73111ccc280352a8769b03d1789327b0b3e9674c55e0de1c01.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2840
- C:\Users\Admin\AppData\Local\Temp\f874d2ec768aac73111ccc280352a8769b03d1789327b0b3e9674c55e0de1c01.exe
  "C:\Users\Admin\AppData\Local\Temp\f874d2ec768aac73111ccc280352a8769b03d1789327b0b3e9674c55e0de1c01.exe"
  2⤵
  PID:3480

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2840-1-0x0000000004260000-0x00000000042FB000-memory.dmp

Download

memory/2840-2-0x00000000043E0000-0x00000000044FB000-memory.dmp

Download

memory/3480-3-0x0000000000400000-0x0000000000537000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads