djvu | 5704c33d0ca46764be7400992b40841ca391e9f68e0fde1394c2dde6e2fb8583

Analysis

max time kernel
150s
max time network
113s
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, 04:13

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General

Target
5704c33d0ca46764be7400992b40841ca391e9f68e0fde1394c2dde6e2fb8583.exe
Size 772KB
Sample260726-es33jayvfv
SHA256 5704c33d0ca46764be7400992b40841ca391e9f68e0fde1394c2dde6e2fb8583
MD5 048e95092fde93da114bc3c42298537f
SHA1 d8c283276c75ac43c8c27ed6024c6a6563409129
SHA512 2aee10dddb82eab3ef5073f109f58fdb11423ab87f6e61fa69647168b1de4a5601e0fac963e9c8b4d05381aeb088d28c4ac19a4d16bc862781686cb7ba9f8eb6
SSDEEP 12288:CdptB61o+cCo2ObN6/9g4Lz/XBHdBXOmDaUBNScw32xs7E2eT:Cdp6m7C2bNwD/RHWsumA9
TLSH
T1D4F4E11263D3BC64E5125BB29E1EC5E46B1EFB618F4737DB13146E2F48721A2C272B42
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery djvu ransomware

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.neon
offline_id
0vTA6MA1m5nzrdffOCJC7YmAa4Lp6YNN8lOJ4mt1
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-vc50LyB2yb 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: 0725JOsie

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/4312-2-0x0000000004C20000-0x0000000004D3B000-memory.dmp	family_djvu
behavioral2/memory/3224-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4312 set thread context of 3224	4312	5704c33d0ca46764be7400992b40841ca391e9f68e0fde1394c2dde6e2fb8583.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	5704c33d0ca46764be7400992b40841ca391e9f68e0fde1394c2dde6e2fb8583.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4312 wrote to memory of 3224	4312	5704c33d0ca46764be7400992b40841ca391e9f68e0fde1394c2dde6e2fb8583.exe	89
PID 4312 wrote to memory of 3224	4312	5704c33d0ca46764be7400992b40841ca391e9f68e0fde1394c2dde6e2fb8583.exe	89
PID 4312 wrote to memory of 3224	4312	5704c33d0ca46764be7400992b40841ca391e9f68e0fde1394c2dde6e2fb8583.exe	89
PID 4312 wrote to memory of 3224	4312	5704c33d0ca46764be7400992b40841ca391e9f68e0fde1394c2dde6e2fb8583.exe	89
PID 4312 wrote to memory of 3224	4312	5704c33d0ca46764be7400992b40841ca391e9f68e0fde1394c2dde6e2fb8583.exe	89
PID 4312 wrote to memory of 3224	4312	5704c33d0ca46764be7400992b40841ca391e9f68e0fde1394c2dde6e2fb8583.exe	89
PID 4312 wrote to memory of 3224	4312	5704c33d0ca46764be7400992b40841ca391e9f68e0fde1394c2dde6e2fb8583.exe	89

C:\Users\Admin\AppData\Local\Temp\5704c33d0ca46764be7400992b40841ca391e9f68e0fde1394c2dde6e2fb8583.exe
"C:\Users\Admin\AppData\Local\Temp\5704c33d0ca46764be7400992b40841ca391e9f68e0fde1394c2dde6e2fb8583.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4312
- C:\Users\Admin\AppData\Local\Temp\5704c33d0ca46764be7400992b40841ca391e9f68e0fde1394c2dde6e2fb8583.exe
  "C:\Users\Admin\AppData\Local\Temp\5704c33d0ca46764be7400992b40841ca391e9f68e0fde1394c2dde6e2fb8583.exe"
  2⤵
  PID:3224

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/3224-4-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/4312-1-0x0000000004B60000-0x0000000004BFB000-memory.dmp

Download

memory/4312-2-0x0000000004C20000-0x0000000004D3B000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads