djvu | 04181e992f1c21b2f8bf8a9d97f100b467baeb7a8c2eae815c190214b78cd95f

General

Target
04181e992f1c21b2f8bf8a9d97f100b467baeb7a8c2eae815c190214b78cd95f.exe
Size 833KB
Sample220330-gnmwvsdbdp
SHA256 04181e992f1c21b2f8bf8a9d97f100b467baeb7a8c2eae815c190214b78cd95f
MD5 01c5eabba28374fc99f0f3c44ca59b9e
SHA1 0b152d84eb030ba4c1bb27c46ef8f116a69b04e7
SHA512 babc3be184da71ac3ef0e3400ba19aa644f95b28e09dabc9963b06c77bf803c2e8fcffa8901ddad8b3c0c62f6319d57747eea254940b72160c73f189f157cd3c
MD5 SHA1 SHA512

Score

10^/10

djvu ransomware

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/test1/get.php

Attributes

extension
.wdlo
offline_id
i0fXrUHVihm5xsI9Icg243YMPJqd748Ocimkyjt1
payload_url
http://zerit.top/dl/build2.exe

http://fuyt.org/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-0S984cQ4B3 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: 0430JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 4 IoCs

resource	yara_rule
behavioral2/memory/1672-131-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1672-132-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/624-134-0x0000000002220000-0x000000000233B000-memory.dmp	family_djvu
behavioral2/memory/1672-135-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 624 set thread context of 1672	624	04181e992f1c21b2f8bf8a9d97f100b467baeb7a8c2eae815c190214b78cd95f.exe	80

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2592	1672	WerFault.exe	80

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 624 wrote to memory of 1672	624	04181e992f1c21b2f8bf8a9d97f100b467baeb7a8c2eae815c190214b78cd95f.exe	80
PID 624 wrote to memory of 1672	624	04181e992f1c21b2f8bf8a9d97f100b467baeb7a8c2eae815c190214b78cd95f.exe	80
PID 624 wrote to memory of 1672	624	04181e992f1c21b2f8bf8a9d97f100b467baeb7a8c2eae815c190214b78cd95f.exe	80
PID 624 wrote to memory of 1672	624	04181e992f1c21b2f8bf8a9d97f100b467baeb7a8c2eae815c190214b78cd95f.exe	80
PID 624 wrote to memory of 1672	624	04181e992f1c21b2f8bf8a9d97f100b467baeb7a8c2eae815c190214b78cd95f.exe	80
PID 624 wrote to memory of 1672	624	04181e992f1c21b2f8bf8a9d97f100b467baeb7a8c2eae815c190214b78cd95f.exe	80
PID 624 wrote to memory of 1672	624	04181e992f1c21b2f8bf8a9d97f100b467baeb7a8c2eae815c190214b78cd95f.exe	80
PID 624 wrote to memory of 1672	624	04181e992f1c21b2f8bf8a9d97f100b467baeb7a8c2eae815c190214b78cd95f.exe	80
PID 624 wrote to memory of 1672	624	04181e992f1c21b2f8bf8a9d97f100b467baeb7a8c2eae815c190214b78cd95f.exe	80
PID 624 wrote to memory of 1672	624	04181e992f1c21b2f8bf8a9d97f100b467baeb7a8c2eae815c190214b78cd95f.exe	80

C:\Users\Admin\AppData\Local\Temp\04181e992f1c21b2f8bf8a9d97f100b467baeb7a8c2eae815c190214b78cd95f.exe
"C:\Users\Admin\AppData\Local\Temp\04181e992f1c21b2f8bf8a9d97f100b467baeb7a8c2eae815c190214b78cd95f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:624
- C:\Users\Admin\AppData\Local\Temp\04181e992f1c21b2f8bf8a9d97f100b467baeb7a8c2eae815c190214b78cd95f.exe
  "C:\Users\Admin\AppData\Local\Temp\04181e992f1c21b2f8bf8a9d97f100b467baeb7a8c2eae815c190214b78cd95f.exe"
  2⤵
  PID:1672
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1672 -s 536
    3⤵
    - Program crash
    PID:2592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1672 -ip 1672
1⤵
PID:2352

Network

MITRE ATT&CK Matrix

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Downloads

memory/624-134-0x0000000002220000-0x000000000233B000-memory.dmp

Download

memory/624-133-0x0000000000884000-0x0000000000915000-memory.dmp

Download

memory/1672-131-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/1672-132-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/1672-135-0x0000000000400000-0x0000000000537000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads