djvu | 7a73364757e45002142e0cd2ae8a5541caf371027239afadae565e852f0bb026

Analysis

max time kernel
148s
max time network
129s
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, 15:43

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General

Target
7a73364757e45002142e0cd2ae8a5541caf371027239afadae565e852f0bb026.exe
Size 785KB
Sample260809-s52bcshl61
SHA256 7a73364757e45002142e0cd2ae8a5541caf371027239afadae565e852f0bb026
MD5 4ed704febaafefe33af1d3b4b994ec46
SHA1 488b034dbdda0197f0fa95ebfbb3eb9ff9652ecb
SHA512 120c180bfcd2072613bf6bfb285468b6e7c887fab3ad81b7fd5b2a98303cd4c7186cee931f22861a2e81f854622a93a4e64ed69f15dfaf4a8db8f781929b4f82
SSDEEP 12288:MNGs/DUwn7d56lXCxOI5BzH4aBvBCwLuSdP2mkI/8fRKg5cDrDI0:WJnx2XsBjX4wLv3khQgaDrDI0
TLSH
T1D805F11353F1BD21F6264733BE2EC6E4661EB9714F046BAB330A6E5F19B11A1C662313
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery djvu ransomware

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.gyza
offline_id
nN1rRlTxKTPo66pmJEAHwufZ2Dhz4MsNxIlOk6t1
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-CDZ4hMgp2X 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: 0828ASdw

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/3524-2-0x0000000002700000-0x000000000281B000-memory.dmp	family_djvu
behavioral2/memory/3664-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3524 set thread context of 3664	3524	7a73364757e45002142e0cd2ae8a5541caf371027239afadae565e852f0bb026.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	7a73364757e45002142e0cd2ae8a5541caf371027239afadae565e852f0bb026.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3524 wrote to memory of 3664	3524	7a73364757e45002142e0cd2ae8a5541caf371027239afadae565e852f0bb026.exe	89
PID 3524 wrote to memory of 3664	3524	7a73364757e45002142e0cd2ae8a5541caf371027239afadae565e852f0bb026.exe	89
PID 3524 wrote to memory of 3664	3524	7a73364757e45002142e0cd2ae8a5541caf371027239afadae565e852f0bb026.exe	89
PID 3524 wrote to memory of 3664	3524	7a73364757e45002142e0cd2ae8a5541caf371027239afadae565e852f0bb026.exe	89
PID 3524 wrote to memory of 3664	3524	7a73364757e45002142e0cd2ae8a5541caf371027239afadae565e852f0bb026.exe	89
PID 3524 wrote to memory of 3664	3524	7a73364757e45002142e0cd2ae8a5541caf371027239afadae565e852f0bb026.exe	89
PID 3524 wrote to memory of 3664	3524	7a73364757e45002142e0cd2ae8a5541caf371027239afadae565e852f0bb026.exe	89

C:\Users\Admin\AppData\Local\Temp\7a73364757e45002142e0cd2ae8a5541caf371027239afadae565e852f0bb026.exe
"C:\Users\Admin\AppData\Local\Temp\7a73364757e45002142e0cd2ae8a5541caf371027239afadae565e852f0bb026.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3524
- C:\Users\Admin\AppData\Local\Temp\7a73364757e45002142e0cd2ae8a5541caf371027239afadae565e852f0bb026.exe
  "C:\Users\Admin\AppData\Local\Temp\7a73364757e45002142e0cd2ae8a5541caf371027239afadae565e852f0bb026.exe"
  2⤵
  PID:3664

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/3524-1-0x00000000025B0000-0x0000000002650000-memory.dmp

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memory/3524-2-0x0000000002700000-0x000000000281B000-memory.dmp

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memory/3664-3-0x0000000000400000-0x0000000000537000-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