djvu | 4129b40320c247d7bb743590ef61dccb01d47485ef6a4d46685f3109bf7c404b

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
09/08/2026, 11:45

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General

Target
4129b40320c247d7bb743590ef61dccb01d47485ef6a4d46685f3109bf7c404b.exe
Size 738KB
Sample260809-nwrncaek6v
SHA256 4129b40320c247d7bb743590ef61dccb01d47485ef6a4d46685f3109bf7c404b
MD5 af1de1da37d39ba3ee938d6901040592
SHA1 5b91529518c451cfc7aa17a0e4025625b3ee5d83
SHA512 87c673b79e19ccd142266e8554c5cc6fc07dcf6142a31129cc28f9f5ab6996261e39f858b2d1af9ac8edd17c6dacc2d1d738534d5ec0921cdf7332914c190af8
SSDEEP 12288:psZr1o6i8Sl/slVQmh8baM9ZcfLrh/Arm9QkRd3I3Sq8t:psHSlslN1rTrqr4QUC3Sqy
TLSH
T1B3F4120176E9C076F6736A304861D7B08B3BBC22C676D88B2796567A5FA52D2CF4C307
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery djvu ransomware

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.qual
offline_id
KLbRmn6on3AXGFgDLGtd0IkHmV7uHw9VxlcxO5t1
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. 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: 0876qual

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/4612-2-0x0000000004010000-0x000000000412B000-memory.dmp	family_djvu
behavioral2/memory/4308-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4612 set thread context of 4308	4612	4129b40320c247d7bb743590ef61dccb01d47485ef6a4d46685f3109bf7c404b.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	4129b40320c247d7bb743590ef61dccb01d47485ef6a4d46685f3109bf7c404b.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4612 wrote to memory of 4308	4612	4129b40320c247d7bb743590ef61dccb01d47485ef6a4d46685f3109bf7c404b.exe	89
PID 4612 wrote to memory of 4308	4612	4129b40320c247d7bb743590ef61dccb01d47485ef6a4d46685f3109bf7c404b.exe	89
PID 4612 wrote to memory of 4308	4612	4129b40320c247d7bb743590ef61dccb01d47485ef6a4d46685f3109bf7c404b.exe	89
PID 4612 wrote to memory of 4308	4612	4129b40320c247d7bb743590ef61dccb01d47485ef6a4d46685f3109bf7c404b.exe	89
PID 4612 wrote to memory of 4308	4612	4129b40320c247d7bb743590ef61dccb01d47485ef6a4d46685f3109bf7c404b.exe	89
PID 4612 wrote to memory of 4308	4612	4129b40320c247d7bb743590ef61dccb01d47485ef6a4d46685f3109bf7c404b.exe	89
PID 4612 wrote to memory of 4308	4612	4129b40320c247d7bb743590ef61dccb01d47485ef6a4d46685f3109bf7c404b.exe	89

C:\Users\Admin\AppData\Local\Temp\4129b40320c247d7bb743590ef61dccb01d47485ef6a4d46685f3109bf7c404b.exe
"C:\Users\Admin\AppData\Local\Temp\4129b40320c247d7bb743590ef61dccb01d47485ef6a4d46685f3109bf7c404b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4612
- C:\Users\Admin\AppData\Local\Temp\4129b40320c247d7bb743590ef61dccb01d47485ef6a4d46685f3109bf7c404b.exe
  "C:\Users\Admin\AppData\Local\Temp\4129b40320c247d7bb743590ef61dccb01d47485ef6a4d46685f3109bf7c404b.exe"
  2⤵
  PID:4308

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/4308-3-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/4612-1-0x0000000003D70000-0x0000000003E10000-memory.dmp

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memory/4612-2-0x0000000004010000-0x000000000412B000-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