djvu | 0b80ebd4dffd54e98c8dd781246d247546f9e47ca86eca4215b07d8631370891

Analysis

max time kernel
150s
max time network
151s
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, 12:39

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General

Target
0b80ebd4dffd54e98c8dd781246d247546f9e47ca86eca4215b07d8631370891.exe
Size 763KB
Sample260809-pvsppa1vfs
SHA256 0b80ebd4dffd54e98c8dd781246d247546f9e47ca86eca4215b07d8631370891
MD5 b0df4f1b7801ed3666e01ee888e4c2af
SHA1 d9cdc9cc4b68e351e2b14e42a8adb93210fe64b9
SHA512 a4686859c8a4988db89a35f783ca2888910b82e0d7feb7fe6860c0f8847f986495a7dc60d0a41ab4cb9ca1e1669aae5ce9c676fde97172bdf0cd1aca38edfb92
SSDEEP 12288:TYRyhbuqvTDFcqsn1Y5U8cko7OeKNojOErjUtcSGbv2DSWJu7Nfa+RHQSLsb2obE:ztHFcq0q59o7XkihOSWJs7LscVHyY1
TLSH
T149F412307EE0C5B2D4A3C67208656981D67BFD676A318A7733CC220F0B74580679EBA7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery djvu ransomware

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.bgzq
offline_id
Z6iwSvCoAt8T8K2ROxecuXHPNHv7eDyWrc8Ks7t1
payload_url
http://sdfjhuz.com/dl/build2.exe

http://cajgtus.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. 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/54cdfd152fe98eedb628a1f4ddb7076420240421150208/403a27 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: 0864PsawqS

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/2448-2-0x0000000004730000-0x000000000484B000-memory.dmp	family_djvu
behavioral2/memory/4376-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2448 set thread context of 4376	2448	0b80ebd4dffd54e98c8dd781246d247546f9e47ca86eca4215b07d8631370891.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	0b80ebd4dffd54e98c8dd781246d247546f9e47ca86eca4215b07d8631370891.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 4376	2448	0b80ebd4dffd54e98c8dd781246d247546f9e47ca86eca4215b07d8631370891.exe	89
PID 2448 wrote to memory of 4376	2448	0b80ebd4dffd54e98c8dd781246d247546f9e47ca86eca4215b07d8631370891.exe	89
PID 2448 wrote to memory of 4376	2448	0b80ebd4dffd54e98c8dd781246d247546f9e47ca86eca4215b07d8631370891.exe	89
PID 2448 wrote to memory of 4376	2448	0b80ebd4dffd54e98c8dd781246d247546f9e47ca86eca4215b07d8631370891.exe	89
PID 2448 wrote to memory of 4376	2448	0b80ebd4dffd54e98c8dd781246d247546f9e47ca86eca4215b07d8631370891.exe	89
PID 2448 wrote to memory of 4376	2448	0b80ebd4dffd54e98c8dd781246d247546f9e47ca86eca4215b07d8631370891.exe	89
PID 2448 wrote to memory of 4376	2448	0b80ebd4dffd54e98c8dd781246d247546f9e47ca86eca4215b07d8631370891.exe	89

C:\Users\Admin\AppData\Local\Temp\0b80ebd4dffd54e98c8dd781246d247546f9e47ca86eca4215b07d8631370891.exe
"C:\Users\Admin\AppData\Local\Temp\0b80ebd4dffd54e98c8dd781246d247546f9e47ca86eca4215b07d8631370891.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Users\Admin\AppData\Local\Temp\0b80ebd4dffd54e98c8dd781246d247546f9e47ca86eca4215b07d8631370891.exe
  "C:\Users\Admin\AppData\Local\Temp\0b80ebd4dffd54e98c8dd781246d247546f9e47ca86eca4215b07d8631370891.exe"
  2⤵
  PID:4376

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/2448-1-0x0000000004690000-0x000000000472C000-memory.dmp

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memory/2448-2-0x0000000004730000-0x000000000484B000-memory.dmp

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memory/4376-3-0x0000000000400000-0x0000000000537000-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