djvu | f7406f510410049b863e7998ee56ed1767400ddce304fcd45aef7a89706d50ee

Analysis

max time kernel
148s
max time network
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
31/07/2026, 11:40

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General

Target
f7406f510410049b863e7998ee56ed1767400ddce304fcd45aef7a89706d50ee.exe
Size 738KB
Sample260731-ntabaaswat
SHA256 f7406f510410049b863e7998ee56ed1767400ddce304fcd45aef7a89706d50ee
MD5 5b59cff2798b4a245c53ce68055804a4
SHA1 d6677c9baac718bc8f7c4075ed0c6f6468fa0954
SHA512 7cf045d80c03e2d7b03c5a14832801800e461d8cd63e7fa7258abfb85df61c69facc984cac706feb2a2364a1188c092f09bfbaac9fc5ddc2a4f9ff594b799ca6
SSDEEP 12288:SuqB1BEqUFxtNBWgsljskzvWyka+5EN1WSVheIYCgl7mLBo:SPNUTH8ZBzvDk15QISV1YCk6Vo
TLSH
T14FF4121136D2C037F57315308E7086B5862BBCA28AB5D9CF37D552AA4FE62D1CE0D3A6
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/4196-2-0x0000000004070000-0x000000000418B000-memory.dmp	family_djvu
behavioral2/memory/480-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4196 set thread context of 480	4196	f7406f510410049b863e7998ee56ed1767400ddce304fcd45aef7a89706d50ee.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	f7406f510410049b863e7998ee56ed1767400ddce304fcd45aef7a89706d50ee.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4196 wrote to memory of 480	4196	f7406f510410049b863e7998ee56ed1767400ddce304fcd45aef7a89706d50ee.exe	89
PID 4196 wrote to memory of 480	4196	f7406f510410049b863e7998ee56ed1767400ddce304fcd45aef7a89706d50ee.exe	89
PID 4196 wrote to memory of 480	4196	f7406f510410049b863e7998ee56ed1767400ddce304fcd45aef7a89706d50ee.exe	89
PID 4196 wrote to memory of 480	4196	f7406f510410049b863e7998ee56ed1767400ddce304fcd45aef7a89706d50ee.exe	89
PID 4196 wrote to memory of 480	4196	f7406f510410049b863e7998ee56ed1767400ddce304fcd45aef7a89706d50ee.exe	89
PID 4196 wrote to memory of 480	4196	f7406f510410049b863e7998ee56ed1767400ddce304fcd45aef7a89706d50ee.exe	89
PID 4196 wrote to memory of 480	4196	f7406f510410049b863e7998ee56ed1767400ddce304fcd45aef7a89706d50ee.exe	89

C:\Users\Admin\AppData\Local\Temp\f7406f510410049b863e7998ee56ed1767400ddce304fcd45aef7a89706d50ee.exe
"C:\Users\Admin\AppData\Local\Temp\f7406f510410049b863e7998ee56ed1767400ddce304fcd45aef7a89706d50ee.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4196
- C:\Users\Admin\AppData\Local\Temp\f7406f510410049b863e7998ee56ed1767400ddce304fcd45aef7a89706d50ee.exe
  "C:\Users\Admin\AppData\Local\Temp\f7406f510410049b863e7998ee56ed1767400ddce304fcd45aef7a89706d50ee.exe"
  2⤵
  PID:480

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/480-3-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/4196-1-0x0000000003ED0000-0x0000000003F6A000-memory.dmp

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memory/4196-2-0x0000000004070000-0x000000000418B000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads