djvu | fc38866bc8b8cab27e524e8592c185d3876460b3f3cda7fe445276c0f4dfe336

Analysis

max time kernel
148s
max time network
125s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
19/07/2026, 17:21

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
fc38866bc8b8cab27e524e8592c185d3876460b3f3cda7fe445276c0f4dfe336.exe
Size 820KB
Sample260719-vxavjsfx8k
SHA256 fc38866bc8b8cab27e524e8592c185d3876460b3f3cda7fe445276c0f4dfe336
MD5 d938eea3995975254eb0d6fd7a86eab2
SHA1 f78c7d18f72efff57491926d5748706566827eb4
SHA512 f8aaba245168d28c4ac2d56f0285544072215eb7da383bcaf200a677b4128e95b844892afd70495b3893f453cd0fa142d8ec9fec50f0ed9a2313522c668dce71
SSDEEP 12288:pygE4bTnwRtA+aLzzRFVuRWRUgOTtaEoKWneqxoJ/tbJpg3puHfsfk2+uDuzt:0xRtA+giPgOpaEoPxyRJpgZ0EQuDuz
TLSH
T16905F08325E1EC75E95603314E2D99DC372FBC62AE21479733742E0E68B12A0DEB7761
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery djvu ransomware

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.looy
offline_id
1eSPzWRaNslCgtjBZfL5pzvovoiaVI4IZSnvAwt1
payload_url
http://sdfjhuz.com/dl/build2.exe

http://sajdfue.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/3ed7a617738550b0a00c5aa231c0752020240316170955/d71ce1 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: 0858PsawqS

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/1308-2-0x0000000004C60000-0x0000000004D7B000-memory.dmp	family_djvu
behavioral2/memory/3648-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1308 set thread context of 3648	1308	fc38866bc8b8cab27e524e8592c185d3876460b3f3cda7fe445276c0f4dfe336.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	fc38866bc8b8cab27e524e8592c185d3876460b3f3cda7fe445276c0f4dfe336.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1308 wrote to memory of 3648	1308	fc38866bc8b8cab27e524e8592c185d3876460b3f3cda7fe445276c0f4dfe336.exe	88
PID 1308 wrote to memory of 3648	1308	fc38866bc8b8cab27e524e8592c185d3876460b3f3cda7fe445276c0f4dfe336.exe	88
PID 1308 wrote to memory of 3648	1308	fc38866bc8b8cab27e524e8592c185d3876460b3f3cda7fe445276c0f4dfe336.exe	88
PID 1308 wrote to memory of 3648	1308	fc38866bc8b8cab27e524e8592c185d3876460b3f3cda7fe445276c0f4dfe336.exe	88
PID 1308 wrote to memory of 3648	1308	fc38866bc8b8cab27e524e8592c185d3876460b3f3cda7fe445276c0f4dfe336.exe	88
PID 1308 wrote to memory of 3648	1308	fc38866bc8b8cab27e524e8592c185d3876460b3f3cda7fe445276c0f4dfe336.exe	88
PID 1308 wrote to memory of 3648	1308	fc38866bc8b8cab27e524e8592c185d3876460b3f3cda7fe445276c0f4dfe336.exe	88

C:\Users\Admin\AppData\Local\Temp\fc38866bc8b8cab27e524e8592c185d3876460b3f3cda7fe445276c0f4dfe336.exe
"C:\Users\Admin\AppData\Local\Temp\fc38866bc8b8cab27e524e8592c185d3876460b3f3cda7fe445276c0f4dfe336.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1308
- C:\Users\Admin\AppData\Local\Temp\fc38866bc8b8cab27e524e8592c185d3876460b3f3cda7fe445276c0f4dfe336.exe
  "C:\Users\Admin\AppData\Local\Temp\fc38866bc8b8cab27e524e8592c185d3876460b3f3cda7fe445276c0f4dfe336.exe"
  2⤵
  PID:3648

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/1308-2-0x0000000004C60000-0x0000000004D7B000-memory.dmp

Download

memory/1308-1-0x0000000004B80000-0x0000000004C20000-memory.dmp

Download

memory/3648-3-0x0000000000400000-0x0000000000537000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads