djvu | 4e8c752b8a016e8d4fc9723ada1498af8a3b3f46e89f3388782f4082575d3218

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
26/07/2026, 03:34

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General

Target
4e8c752b8a016e8d4fc9723ada1498af8a3b3f46e89f3388782f4082575d3218.exe
Size 791KB
Sample260726-d463wscf75
SHA256 4e8c752b8a016e8d4fc9723ada1498af8a3b3f46e89f3388782f4082575d3218
MD5 2da755014502de2168f0e27edb8d587b
SHA1 8d2d811f969c05399f5990426bed94ee49f79b0b
SHA512 ccb14b2e244c6a37a315cb343c4ae3f9febea7e26385c18cf97f95daad02ddde4095cb1f96faecb30537fdf5995e8ded176e3d18f0755573aeeec7fad445cc4f
SSDEEP 12288:o/eRcyNek9YK9jYk1MAmvgCVHEJUGH3seBHymAnstE6zuHnc1+FAM:DRcyNek9113oVHtGXseIDns26zicM+M
TLSH
T11A05D003D6D2FD50E9654A72CE2FD6EC761EF5508E493B6A22189F2F14703BAC163722
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery djvu ransomware

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.vaze
offline_id
BUcuB8PRg0LNi380axIJs5BS8nCUdeo9U88L2Lt1
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-tnzomMj6HU 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: 0714JOsie

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/3804-2-0x0000000002600000-0x000000000271B000-memory.dmp	family_djvu
behavioral2/memory/4980-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3804 set thread context of 4980	3804	4e8c752b8a016e8d4fc9723ada1498af8a3b3f46e89f3388782f4082575d3218.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	4e8c752b8a016e8d4fc9723ada1498af8a3b3f46e89f3388782f4082575d3218.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3804 wrote to memory of 4980	3804	4e8c752b8a016e8d4fc9723ada1498af8a3b3f46e89f3388782f4082575d3218.exe	89
PID 3804 wrote to memory of 4980	3804	4e8c752b8a016e8d4fc9723ada1498af8a3b3f46e89f3388782f4082575d3218.exe	89
PID 3804 wrote to memory of 4980	3804	4e8c752b8a016e8d4fc9723ada1498af8a3b3f46e89f3388782f4082575d3218.exe	89
PID 3804 wrote to memory of 4980	3804	4e8c752b8a016e8d4fc9723ada1498af8a3b3f46e89f3388782f4082575d3218.exe	89
PID 3804 wrote to memory of 4980	3804	4e8c752b8a016e8d4fc9723ada1498af8a3b3f46e89f3388782f4082575d3218.exe	89
PID 3804 wrote to memory of 4980	3804	4e8c752b8a016e8d4fc9723ada1498af8a3b3f46e89f3388782f4082575d3218.exe	89
PID 3804 wrote to memory of 4980	3804	4e8c752b8a016e8d4fc9723ada1498af8a3b3f46e89f3388782f4082575d3218.exe	89

C:\Users\Admin\AppData\Local\Temp\4e8c752b8a016e8d4fc9723ada1498af8a3b3f46e89f3388782f4082575d3218.exe
"C:\Users\Admin\AppData\Local\Temp\4e8c752b8a016e8d4fc9723ada1498af8a3b3f46e89f3388782f4082575d3218.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3804
- C:\Users\Admin\AppData\Local\Temp\4e8c752b8a016e8d4fc9723ada1498af8a3b3f46e89f3388782f4082575d3218.exe
  "C:\Users\Admin\AppData\Local\Temp\4e8c752b8a016e8d4fc9723ada1498af8a3b3f46e89f3388782f4082575d3218.exe"
  2⤵
  PID:4980

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/3804-1-0x00000000024A0000-0x0000000002542000-memory.dmp

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memory/3804-2-0x0000000002600000-0x000000000271B000-memory.dmp

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memory/4980-3-0x0000000000400000-0x0000000000537000-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