djvu | 9a203a1f050818238d950b70465e679c6475cf974e7c823d188645ba6aec01ae

Analysis

max time kernel
148s
max time network
131s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
09/08/2026, 16:10

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General

Target
9a203a1f050818238d950b70465e679c6475cf974e7c823d188645ba6aec01ae.exe
Size 738KB
Sample260809-tmceys1fjf
SHA256 9a203a1f050818238d950b70465e679c6475cf974e7c823d188645ba6aec01ae
MD5 15a8142992786ff28bb79fb2b7d47f6e
SHA1 c5fb299009599c93fef087734e13f1dc195f8ec1
SHA512 aba1c44e1e893364a7e9f0f896d205c24949f77a3d0a64dd7883768a5e3ee43771812fe7ec57dcbc39fd218b643f621f11f7738e0c1be2cd647f353b8b245743
SSDEEP 12288:xcfUbjw1xHxDEfUViMVkqATGFMPZhkBH6Jrrn5/Ywmn/nJuR2ks7S:CfUbjysfUGHcMPZhkBaJrTZYzJuES
TLSH
T104F4E053D3E17C91E9368B728F2FC6E87A1DB1505E49BF692A1DFA2F04701B2C163602
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery djvu ransomware

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.ptrz
offline_id
43WPLl8Cnh3dZoiWhf8tP8Q9CrMBVUL2dwHB2Rt1
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-dHFDYXqlkk 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: 0807ASUDr

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/1804-2-0x0000000004B90000-0x0000000004CAB000-memory.dmp	family_djvu
behavioral2/memory/1580-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1804 set thread context of 1580	1804	9a203a1f050818238d950b70465e679c6475cf974e7c823d188645ba6aec01ae.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	9a203a1f050818238d950b70465e679c6475cf974e7c823d188645ba6aec01ae.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 1580	1804	9a203a1f050818238d950b70465e679c6475cf974e7c823d188645ba6aec01ae.exe	89
PID 1804 wrote to memory of 1580	1804	9a203a1f050818238d950b70465e679c6475cf974e7c823d188645ba6aec01ae.exe	89
PID 1804 wrote to memory of 1580	1804	9a203a1f050818238d950b70465e679c6475cf974e7c823d188645ba6aec01ae.exe	89
PID 1804 wrote to memory of 1580	1804	9a203a1f050818238d950b70465e679c6475cf974e7c823d188645ba6aec01ae.exe	89
PID 1804 wrote to memory of 1580	1804	9a203a1f050818238d950b70465e679c6475cf974e7c823d188645ba6aec01ae.exe	89
PID 1804 wrote to memory of 1580	1804	9a203a1f050818238d950b70465e679c6475cf974e7c823d188645ba6aec01ae.exe	89
PID 1804 wrote to memory of 1580	1804	9a203a1f050818238d950b70465e679c6475cf974e7c823d188645ba6aec01ae.exe	89

C:\Users\Admin\AppData\Local\Temp\9a203a1f050818238d950b70465e679c6475cf974e7c823d188645ba6aec01ae.exe
"C:\Users\Admin\AppData\Local\Temp\9a203a1f050818238d950b70465e679c6475cf974e7c823d188645ba6aec01ae.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1804
- C:\Users\Admin\AppData\Local\Temp\9a203a1f050818238d950b70465e679c6475cf974e7c823d188645ba6aec01ae.exe
  "C:\Users\Admin\AppData\Local\Temp\9a203a1f050818238d950b70465e679c6475cf974e7c823d188645ba6aec01ae.exe"
  2⤵
  PID:1580

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/1580-3-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/1804-1-0x00000000049C0000-0x0000000004A5D000-memory.dmp

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memory/1804-2-0x0000000004B90000-0x0000000004CAB000-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