djvu | 4de2d00f758ece9e388f390616b66ca6581376cc674a6c2448f1bd9301246e8b

Analysis

max time kernel
150s
max time network
133s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
26/07/2026, 03:31

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General

Target
4de2d00f758ece9e388f390616b66ca6581376cc674a6c2448f1bd9301246e8b.exe
Size 782KB
Sample260726-d3grlsyfqa
SHA256 4de2d00f758ece9e388f390616b66ca6581376cc674a6c2448f1bd9301246e8b
MD5 7f6667ae84281e5d97ac298efbcb6707
SHA1 1a88e2c8803884c71dc0955c7cfd942fa875617a
SHA512 4e3ae39b9e032328c199a165eb6fc4a8568f7debd03cf3b639e455ec138538ec6cd5381bd1525e40d141ca27fa54ccf817b3d79e0e703856717efcfe0ae25198
SSDEEP 12288:MQtgyuKiArFJFeGXdIMaKjv+PdzQm9eG1L6vv+PP4VPd:MQ6ZKbFJbz0dd9eG16vA4
TLSH
T1ED05010372D1AC71D5162A765E6AC7F45A2EFCE14F007ADB73847A2F09702E2C67274A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery djvu ransomware

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.vapo
offline_id
BUcuB8PRg0LNi380axIJs5BS8nCUdeo9U88L2Lt1
payload_url
http://colisumy.com/dl/build2.exe

http://zexeq.com/files/1/build3.exe
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-tnzomMj6HU 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: 0717JOsie

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/5552-2-0x0000000002610000-0x000000000272B000-memory.dmp	family_djvu
behavioral2/memory/4752-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5552 set thread context of 4752	5552	4de2d00f758ece9e388f390616b66ca6581376cc674a6c2448f1bd9301246e8b.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	4de2d00f758ece9e388f390616b66ca6581376cc674a6c2448f1bd9301246e8b.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 5552 wrote to memory of 4752	5552	4de2d00f758ece9e388f390616b66ca6581376cc674a6c2448f1bd9301246e8b.exe	89
PID 5552 wrote to memory of 4752	5552	4de2d00f758ece9e388f390616b66ca6581376cc674a6c2448f1bd9301246e8b.exe	89
PID 5552 wrote to memory of 4752	5552	4de2d00f758ece9e388f390616b66ca6581376cc674a6c2448f1bd9301246e8b.exe	89
PID 5552 wrote to memory of 4752	5552	4de2d00f758ece9e388f390616b66ca6581376cc674a6c2448f1bd9301246e8b.exe	89
PID 5552 wrote to memory of 4752	5552	4de2d00f758ece9e388f390616b66ca6581376cc674a6c2448f1bd9301246e8b.exe	89
PID 5552 wrote to memory of 4752	5552	4de2d00f758ece9e388f390616b66ca6581376cc674a6c2448f1bd9301246e8b.exe	89
PID 5552 wrote to memory of 4752	5552	4de2d00f758ece9e388f390616b66ca6581376cc674a6c2448f1bd9301246e8b.exe	89

C:\Users\Admin\AppData\Local\Temp\4de2d00f758ece9e388f390616b66ca6581376cc674a6c2448f1bd9301246e8b.exe
"C:\Users\Admin\AppData\Local\Temp\4de2d00f758ece9e388f390616b66ca6581376cc674a6c2448f1bd9301246e8b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5552
- C:\Users\Admin\AppData\Local\Temp\4de2d00f758ece9e388f390616b66ca6581376cc674a6c2448f1bd9301246e8b.exe
  "C:\Users\Admin\AppData\Local\Temp\4de2d00f758ece9e388f390616b66ca6581376cc674a6c2448f1bd9301246e8b.exe"
  2⤵
  PID:4752

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/4752-3-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/5552-1-0x0000000002570000-0x000000000260C000-memory.dmp

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memory/5552-2-0x0000000002610000-0x000000000272B000-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