djvu | 3b8d07693e296aee36e7607c71503d981396a21b367e169146afdd052cdcf4d1

Analysis

max time kernel
148s
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
24/08/2026, 03:45

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General

Target
3b8d07693e296aee36e7607c71503d981396a21b367e169146afdd052cdcf4d1.exe
Size 729KB
Sample260824-ea3daasflh
SHA256 3b8d07693e296aee36e7607c71503d981396a21b367e169146afdd052cdcf4d1
MD5 d7528cd33b73718b5949277420681f90
SHA1 61d97f8da20ff2995890ce5f2c8a2c9e6e51c078
SHA512 b3dab709e19a2a8bad92b259ea1739ad55564f6fe31e9f4e502b6280ae6c70cdf5a0f1fda208887da4bbcf9213986e2038abe6a09dc2940998df08d82e87d474
SSDEEP 12288:koywWrwlTyC9yR+xBP4wMpAuhjH8/Hl19KKjNgzqE0CM6EpJMwk:PlTX9Xj4w+hbM1/g2kM
TLSH
T1A2F412557940E0B1CC4F87B69A16E5B0A61CBC6287B2F96F7284F7BF28332E05D1A345
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/4196-2-0x00000000023B0000-0x00000000024CB000-memory.dmp	family_djvu
behavioral2/memory/6072-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4196 set thread context of 6072	4196	3b8d07693e296aee36e7607c71503d981396a21b367e169146afdd052cdcf4d1.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	3b8d07693e296aee36e7607c71503d981396a21b367e169146afdd052cdcf4d1.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4196 wrote to memory of 6072	4196	3b8d07693e296aee36e7607c71503d981396a21b367e169146afdd052cdcf4d1.exe	89
PID 4196 wrote to memory of 6072	4196	3b8d07693e296aee36e7607c71503d981396a21b367e169146afdd052cdcf4d1.exe	89
PID 4196 wrote to memory of 6072	4196	3b8d07693e296aee36e7607c71503d981396a21b367e169146afdd052cdcf4d1.exe	89
PID 4196 wrote to memory of 6072	4196	3b8d07693e296aee36e7607c71503d981396a21b367e169146afdd052cdcf4d1.exe	89
PID 4196 wrote to memory of 6072	4196	3b8d07693e296aee36e7607c71503d981396a21b367e169146afdd052cdcf4d1.exe	89
PID 4196 wrote to memory of 6072	4196	3b8d07693e296aee36e7607c71503d981396a21b367e169146afdd052cdcf4d1.exe	89
PID 4196 wrote to memory of 6072	4196	3b8d07693e296aee36e7607c71503d981396a21b367e169146afdd052cdcf4d1.exe	89

C:\Users\Admin\AppData\Local\Temp\3b8d07693e296aee36e7607c71503d981396a21b367e169146afdd052cdcf4d1.exe
"C:\Users\Admin\AppData\Local\Temp\3b8d07693e296aee36e7607c71503d981396a21b367e169146afdd052cdcf4d1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4196
- C:\Users\Admin\AppData\Local\Temp\3b8d07693e296aee36e7607c71503d981396a21b367e169146afdd052cdcf4d1.exe
  "C:\Users\Admin\AppData\Local\Temp\3b8d07693e296aee36e7607c71503d981396a21b367e169146afdd052cdcf4d1.exe"
  2⤵
  PID:6072

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/4196-1-0x00000000021C0000-0x000000000225F000-memory.dmp

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memory/4196-2-0x00000000023B0000-0x00000000024CB000-memory.dmp

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memory/6072-3-0x0000000000400000-0x0000000000537000-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