djvu | daa8db2383e3d9fe6cc680385e04fd9aeecee60bc13a4d7c75e55d8d40258d58

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
31/07/2026, 15:01

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General

Target
daa8db2383e3d9fe6cc680385e04fd9aeecee60bc13a4d7c75e55d8d40258d58.exe
Size 683KB
Sample260731-sd2g2svfmd
SHA256 daa8db2383e3d9fe6cc680385e04fd9aeecee60bc13a4d7c75e55d8d40258d58
MD5 2950cf3e600789b6045b872e19471b0c
SHA1 2aabfb0a893aad067f2dd8ec2bad8bcadb17bfae
SHA512 32653a28155efbcca6a882535c092cf70c9791dd938093369703e883c3a56a782e1e73911068f1c924777892888cf5f4d96ffed3060dc13c3cc07ad2e6491636
SSDEEP 12288:8QomBFxreNOxUrPjkBdUQB5ZFuqoSiH+2rXkWruygmuuXjd/Yj/lnYuburNXGtRF:8mBrjiruuq5ieUXkWr/G/lYqQA
TLSH
T1E0E4126178A3C072E2AAD3704831CDF05A6BF965DB7489DB2324477E5E322D35E29393
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery djvu ransomware

Malware Config

Extracted

Family

djvu

http://zexeq.com/test1/get.php

Attributes

extension
.cdqw
offline_id
mMsRxMUuXypapZbGOAfxD9pczHmW8zVRP7Pgjwt1
payload_url
http://brusuax.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-99MNqXMrdS Price of private key and decrypt software is $1999. Discount 50% available if you contact us first 72 hours, that's price for you is $999. 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: 0840ASdw

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/3184-5-0x0000000002760000-0x000000000287B000-memory.dmp	family_djvu
behavioral2/memory/5764-2-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3184 set thread context of 5764	3184	daa8db2383e3d9fe6cc680385e04fd9aeecee60bc13a4d7c75e55d8d40258d58.exe	88

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	daa8db2383e3d9fe6cc680385e04fd9aeecee60bc13a4d7c75e55d8d40258d58.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3184 wrote to memory of 5764	3184	daa8db2383e3d9fe6cc680385e04fd9aeecee60bc13a4d7c75e55d8d40258d58.exe	88
PID 3184 wrote to memory of 5764	3184	daa8db2383e3d9fe6cc680385e04fd9aeecee60bc13a4d7c75e55d8d40258d58.exe	88
PID 3184 wrote to memory of 5764	3184	daa8db2383e3d9fe6cc680385e04fd9aeecee60bc13a4d7c75e55d8d40258d58.exe	88
PID 3184 wrote to memory of 5764	3184	daa8db2383e3d9fe6cc680385e04fd9aeecee60bc13a4d7c75e55d8d40258d58.exe	88
PID 3184 wrote to memory of 5764	3184	daa8db2383e3d9fe6cc680385e04fd9aeecee60bc13a4d7c75e55d8d40258d58.exe	88
PID 3184 wrote to memory of 5764	3184	daa8db2383e3d9fe6cc680385e04fd9aeecee60bc13a4d7c75e55d8d40258d58.exe	88
PID 3184 wrote to memory of 5764	3184	daa8db2383e3d9fe6cc680385e04fd9aeecee60bc13a4d7c75e55d8d40258d58.exe	88

C:\Users\Admin\AppData\Local\Temp\daa8db2383e3d9fe6cc680385e04fd9aeecee60bc13a4d7c75e55d8d40258d58.exe
"C:\Users\Admin\AppData\Local\Temp\daa8db2383e3d9fe6cc680385e04fd9aeecee60bc13a4d7c75e55d8d40258d58.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3184
- C:\Users\Admin\AppData\Local\Temp\daa8db2383e3d9fe6cc680385e04fd9aeecee60bc13a4d7c75e55d8d40258d58.exe
  "C:\Users\Admin\AppData\Local\Temp\daa8db2383e3d9fe6cc680385e04fd9aeecee60bc13a4d7c75e55d8d40258d58.exe"
  2⤵
  PID:5764

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/3184-1-0x0000000002530000-0x00000000025C7000-memory.dmp

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memory/3184-5-0x0000000002760000-0x000000000287B000-memory.dmp

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memory/5764-2-0x0000000000400000-0x0000000000537000-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