djvu | e557171e821568f59ea764731d05355e714eeb14019ea3cdfdfb7f427775ded7

General

Target
e557171e821568f59ea764731d05355e714eeb14019ea3cdfdfb7f427775ded7.exe
Size 771KB
Sample220328-g4btjagfa7
SHA256 e557171e821568f59ea764731d05355e714eeb14019ea3cdfdfb7f427775ded7
MD5 ae38fcc9c7e302c5ed0e60111027e544
SHA1 5568804aa3f58fa7899f4f7fefd4e7baf8d2a37b
SHA512 5d2a6bea12a88b80fa5ff3dbfd4cfd167984e50ca8f73df1f649c21ff3b8500216013651c87ef34c6ad10ede8ce8a2827a4df09ef26ff9b1aeddeed17cdbc88b
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/3668-131-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3668-132-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4376-134-0x00000000021F0000-0x000000000230B000-memory.dmp	family_djvu
behavioral2/memory/3668-135-0x0000000000400000-0x0000000000537000-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 4376 set thread context of 3668	4376	e557171e821568f59ea764731d05355e714eeb14019ea3cdfdfb7f427775ded7.exe	79

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1260	3668	WerFault.exe	79

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4376 wrote to memory of 3668	4376	e557171e821568f59ea764731d05355e714eeb14019ea3cdfdfb7f427775ded7.exe	79
PID 4376 wrote to memory of 3668	4376	e557171e821568f59ea764731d05355e714eeb14019ea3cdfdfb7f427775ded7.exe	79
PID 4376 wrote to memory of 3668	4376	e557171e821568f59ea764731d05355e714eeb14019ea3cdfdfb7f427775ded7.exe	79
PID 4376 wrote to memory of 3668	4376	e557171e821568f59ea764731d05355e714eeb14019ea3cdfdfb7f427775ded7.exe	79
PID 4376 wrote to memory of 3668	4376	e557171e821568f59ea764731d05355e714eeb14019ea3cdfdfb7f427775ded7.exe	79
PID 4376 wrote to memory of 3668	4376	e557171e821568f59ea764731d05355e714eeb14019ea3cdfdfb7f427775ded7.exe	79
PID 4376 wrote to memory of 3668	4376	e557171e821568f59ea764731d05355e714eeb14019ea3cdfdfb7f427775ded7.exe	79
PID 4376 wrote to memory of 3668	4376	e557171e821568f59ea764731d05355e714eeb14019ea3cdfdfb7f427775ded7.exe	79
PID 4376 wrote to memory of 3668	4376	e557171e821568f59ea764731d05355e714eeb14019ea3cdfdfb7f427775ded7.exe	79
PID 4376 wrote to memory of 3668	4376	e557171e821568f59ea764731d05355e714eeb14019ea3cdfdfb7f427775ded7.exe	79

C:\Users\Admin\AppData\Local\Temp\e557171e821568f59ea764731d05355e714eeb14019ea3cdfdfb7f427775ded7.exe
"C:\Users\Admin\AppData\Local\Temp\e557171e821568f59ea764731d05355e714eeb14019ea3cdfdfb7f427775ded7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4376
- C:\Users\Admin\AppData\Local\Temp\e557171e821568f59ea764731d05355e714eeb14019ea3cdfdfb7f427775ded7.exe
  "C:\Users\Admin\AppData\Local\Temp\e557171e821568f59ea764731d05355e714eeb14019ea3cdfdfb7f427775ded7.exe"
  2⤵
  PID:3668
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3668 -s 536
    3⤵
    - Program crash
    PID:1260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3668 -ip 3668
1⤵
PID:732

Network

MITRE ATT&CK Matrix

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Downloads

memory/3668-131-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/3668-132-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/3668-135-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/4376-133-0x00000000009A0000-0x0000000000A31000-memory.dmp

Download

memory/4376-134-0x00000000021F0000-0x000000000230B000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads