djvu | 672488666b68b99cef16ff0c1acfd3aa009df3f6d3f18897c5ecee77b77a57c7

Analysis

max time kernel
148s
max time network
153s
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, 15:36

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General

Target
672488666b68b99cef16ff0c1acfd3aa009df3f6d3f18897c5ecee77b77a57c7.exe
Size 781KB
Sample260809-s2em7atvft
SHA256 672488666b68b99cef16ff0c1acfd3aa009df3f6d3f18897c5ecee77b77a57c7
MD5 0333f0129897bffa8baa70d30eefadfd
SHA1 a99d6b1274f740b58158df0fbc71852503622ac0
SHA512 06fd7b024c04c42d93c70e44ac39018115f90373eae5d9a8cccdf526034f2f3e57d0b22a3c6e0c617d737e03f9daab9c10cea8e40eb3c69eaeabdb2022e60d77
SSDEEP 12288:T6ESEvOgZx/Nd0wNCo7xztsyh98Q20DuV8gYjvozZfLiI:2EhvOgXw0lay20DuV8gAULiI
TLSH
T15505D04382E13D54E5268B729F2FE6EC770EF6918E0DBB7921189E1F04B01B2E263755
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery djvu ransomware

Malware Config

Extracted

Family

djvu

http://zexeq.com/test2/get.php

Attributes

extension
.jawr
offline_id
UlJXrkKDIkENh0vb5W9For2Yyh6riGytjO5p2St1
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. You can get and look video overview decrypt tool: https://we.tl/t-iu965qqEb1 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: 0831Usdk

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/1780-2-0x0000000002FE0000-0x00000000030FB000-memory.dmp	family_djvu
behavioral2/memory/264-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1780 set thread context of 264	1780	672488666b68b99cef16ff0c1acfd3aa009df3f6d3f18897c5ecee77b77a57c7.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	672488666b68b99cef16ff0c1acfd3aa009df3f6d3f18897c5ecee77b77a57c7.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1780 wrote to memory of 264	1780	672488666b68b99cef16ff0c1acfd3aa009df3f6d3f18897c5ecee77b77a57c7.exe	89
PID 1780 wrote to memory of 264	1780	672488666b68b99cef16ff0c1acfd3aa009df3f6d3f18897c5ecee77b77a57c7.exe	89
PID 1780 wrote to memory of 264	1780	672488666b68b99cef16ff0c1acfd3aa009df3f6d3f18897c5ecee77b77a57c7.exe	89
PID 1780 wrote to memory of 264	1780	672488666b68b99cef16ff0c1acfd3aa009df3f6d3f18897c5ecee77b77a57c7.exe	89
PID 1780 wrote to memory of 264	1780	672488666b68b99cef16ff0c1acfd3aa009df3f6d3f18897c5ecee77b77a57c7.exe	89
PID 1780 wrote to memory of 264	1780	672488666b68b99cef16ff0c1acfd3aa009df3f6d3f18897c5ecee77b77a57c7.exe	89
PID 1780 wrote to memory of 264	1780	672488666b68b99cef16ff0c1acfd3aa009df3f6d3f18897c5ecee77b77a57c7.exe	89

C:\Users\Admin\AppData\Local\Temp\672488666b68b99cef16ff0c1acfd3aa009df3f6d3f18897c5ecee77b77a57c7.exe
"C:\Users\Admin\AppData\Local\Temp\672488666b68b99cef16ff0c1acfd3aa009df3f6d3f18897c5ecee77b77a57c7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1780
- C:\Users\Admin\AppData\Local\Temp\672488666b68b99cef16ff0c1acfd3aa009df3f6d3f18897c5ecee77b77a57c7.exe
  "C:\Users\Admin\AppData\Local\Temp\672488666b68b99cef16ff0c1acfd3aa009df3f6d3f18897c5ecee77b77a57c7.exe"
  2⤵
  PID:264

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

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Downloads

memory/264-3-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/1780-1-0x0000000002F40000-0x0000000002FD5000-memory.dmp

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memory/1780-2-0x0000000002FE0000-0x00000000030FB000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads