djvu | 49f59cd7879fcb6e138d11848bb8ec897574ad02195f53db51f73c7a3f4c8e00

Analysis

max time kernel
148s
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, 03:23

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General

Target
49f59cd7879fcb6e138d11848bb8ec897574ad02195f53db51f73c7a3f4c8e00.exe
Size 788KB
Sample260726-dxfblacf59
SHA256 49f59cd7879fcb6e138d11848bb8ec897574ad02195f53db51f73c7a3f4c8e00
MD5 89662c80a81d195cdca6cd68802a6c86
SHA1 bd32195a714e55aa19682078d3aa0ea0bccba4a6
SHA512 c23404aba9322acae630da8a263b62687182124172a934265b1bbbdf653ae7e5933cbd252f3e75d582951870248261d75825b2c181e088d66d04e542235f95eb
SSDEEP 12288:gjcGhibCavuW8ISgi5mSaawzZrJyEDcGCkcseUDUNIc0f4fEsK:gHhib5+ph7+ZrJrAc7eBNh8sK
TLSH
T19905F1037192FF77D55587718929C6B876EEB8618B012BCB32556F6B18312E3DAF2302
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery djvu ransomware

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.gapo
offline_id
jB2aJtVEWRwbJf76a6OKB8sn0BtTgNlHYUC5wLt1
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-sD0OUYo1Pd 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: 0713JOsie

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/4348-2-0x00000000025D0000-0x00000000026EB000-memory.dmp	family_djvu
behavioral2/memory/2056-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4348 set thread context of 2056	4348	49f59cd7879fcb6e138d11848bb8ec897574ad02195f53db51f73c7a3f4c8e00.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	49f59cd7879fcb6e138d11848bb8ec897574ad02195f53db51f73c7a3f4c8e00.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4348 wrote to memory of 2056	4348	49f59cd7879fcb6e138d11848bb8ec897574ad02195f53db51f73c7a3f4c8e00.exe	89
PID 4348 wrote to memory of 2056	4348	49f59cd7879fcb6e138d11848bb8ec897574ad02195f53db51f73c7a3f4c8e00.exe	89
PID 4348 wrote to memory of 2056	4348	49f59cd7879fcb6e138d11848bb8ec897574ad02195f53db51f73c7a3f4c8e00.exe	89
PID 4348 wrote to memory of 2056	4348	49f59cd7879fcb6e138d11848bb8ec897574ad02195f53db51f73c7a3f4c8e00.exe	89
PID 4348 wrote to memory of 2056	4348	49f59cd7879fcb6e138d11848bb8ec897574ad02195f53db51f73c7a3f4c8e00.exe	89
PID 4348 wrote to memory of 2056	4348	49f59cd7879fcb6e138d11848bb8ec897574ad02195f53db51f73c7a3f4c8e00.exe	89
PID 4348 wrote to memory of 2056	4348	49f59cd7879fcb6e138d11848bb8ec897574ad02195f53db51f73c7a3f4c8e00.exe	89

C:\Users\Admin\AppData\Local\Temp\49f59cd7879fcb6e138d11848bb8ec897574ad02195f53db51f73c7a3f4c8e00.exe
"C:\Users\Admin\AppData\Local\Temp\49f59cd7879fcb6e138d11848bb8ec897574ad02195f53db51f73c7a3f4c8e00.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4348
- C:\Users\Admin\AppData\Local\Temp\49f59cd7879fcb6e138d11848bb8ec897574ad02195f53db51f73c7a3f4c8e00.exe
  "C:\Users\Admin\AppData\Local\Temp\49f59cd7879fcb6e138d11848bb8ec897574ad02195f53db51f73c7a3f4c8e00.exe"
  2⤵
  PID:2056

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/2056-3-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/4348-1-0x0000000002530000-0x00000000025C8000-memory.dmp

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memory/4348-2-0x00000000025D0000-0x00000000026EB000-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