djvu | b649202c247bb607073c2fcd5660b1b38d48370fff8c5f4b6af3dede4ed45beb

Analysis

max time kernel
148s
max time network
143s
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, 16:08

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
b649202c247bb607073c2fcd5660b1b38d48370fff8c5f4b6af3dede4ed45beb.exe
Size 676KB
Sample260731-tlehxsdb52
SHA256 b649202c247bb607073c2fcd5660b1b38d48370fff8c5f4b6af3dede4ed45beb
MD5 e6bc2618fa02b51d3b3a82722379ee8f
SHA1 d3141fa0b89d92fbd5498bc78002b8da449ae4c8
SHA512 3f96b46f1027c8a25b9fb1f3ab02ac4247a38a290ed8c5dbd750411827e9ec2732d0337cbffb3adfd5f89347d1dbcf168205b8195f03f3239af2f43eb1697b6f
SSDEEP 12288:LyGn5Cl0+zqhVVfgEypDPlgP8jrCRbqRMYliv+tqcO+lPUM+6u:Ly8CmJhVVfg3+PkrCGRMkiv+qr+lPU6u
TLSH
T1CFE4122177F38476E2B3653410A4D25207BB38B3AE617DAF1FA1162D1DB16C05AB4F2B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery djvu ransomware

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.zpas
offline_id
OnB5BCsUkG8OhWvHL3Y0tNlfgHqdMG4puQsBzvt1
payload_url
http://colisumy.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-cfHHerNTF6 Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. 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: 0812JOsie

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/1392-2-0x0000000002700000-0x000000000281B000-memory.dmp	family_djvu
behavioral2/memory/4888-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1392 set thread context of 4888	1392	b649202c247bb607073c2fcd5660b1b38d48370fff8c5f4b6af3dede4ed45beb.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	b649202c247bb607073c2fcd5660b1b38d48370fff8c5f4b6af3dede4ed45beb.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1392 wrote to memory of 4888	1392	b649202c247bb607073c2fcd5660b1b38d48370fff8c5f4b6af3dede4ed45beb.exe	89
PID 1392 wrote to memory of 4888	1392	b649202c247bb607073c2fcd5660b1b38d48370fff8c5f4b6af3dede4ed45beb.exe	89
PID 1392 wrote to memory of 4888	1392	b649202c247bb607073c2fcd5660b1b38d48370fff8c5f4b6af3dede4ed45beb.exe	89
PID 1392 wrote to memory of 4888	1392	b649202c247bb607073c2fcd5660b1b38d48370fff8c5f4b6af3dede4ed45beb.exe	89
PID 1392 wrote to memory of 4888	1392	b649202c247bb607073c2fcd5660b1b38d48370fff8c5f4b6af3dede4ed45beb.exe	89
PID 1392 wrote to memory of 4888	1392	b649202c247bb607073c2fcd5660b1b38d48370fff8c5f4b6af3dede4ed45beb.exe	89
PID 1392 wrote to memory of 4888	1392	b649202c247bb607073c2fcd5660b1b38d48370fff8c5f4b6af3dede4ed45beb.exe	89

C:\Users\Admin\AppData\Local\Temp\b649202c247bb607073c2fcd5660b1b38d48370fff8c5f4b6af3dede4ed45beb.exe
"C:\Users\Admin\AppData\Local\Temp\b649202c247bb607073c2fcd5660b1b38d48370fff8c5f4b6af3dede4ed45beb.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1392
- C:\Users\Admin\AppData\Local\Temp\b649202c247bb607073c2fcd5660b1b38d48370fff8c5f4b6af3dede4ed45beb.exe
  "C:\Users\Admin\AppData\Local\Temp\b649202c247bb607073c2fcd5660b1b38d48370fff8c5f4b6af3dede4ed45beb.exe"
  2⤵
  PID:4888

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1392-1-0x0000000002620000-0x00000000026B5000-memory.dmp

Download

memory/1392-2-0x0000000002700000-0x000000000281B000-memory.dmp

Download

memory/4888-4-0x0000000000400000-0x0000000000537000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads