djvu | db796fc968041267daff136126768ff072bd3e4e271d1c81120b0eaf6056bf60

General

Target
db796fc968041267daff136126768ff072bd3e4e271d1c81120b0eaf6056bf60.exe
Size 793KB
Sample220405-gyrb2aadf2
SHA256 db796fc968041267daff136126768ff072bd3e4e271d1c81120b0eaf6056bf60
MD5 5ba373c7a781eb8759d50be262b9484a
SHA1 98ef6bc0a9b25ed09d238d27b3f53edb2934cb99
SHA512 18c286a5c63c1977fdec340a7c2cfbd60c9f8aef76aa333303b842bef373f029343972537e7e1b77a531d3b5b8a88cc08a4a2aaef9b98d7d4063e9626a7e075b
MD5 SHA1 SHA512

Score

10^/10

djvu ransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.udla
offline_id
qwVQoIsE2xLety0oNWloOilSDuIBXJGK86LM3ot1
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-fnn5kv33Vv 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: 0435JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 4 IoCs

resource	yara_rule
behavioral2/memory/3092-125-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3092-126-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2516-128-0x0000000002250000-0x000000000236B000-memory.dmp	family_djvu
behavioral2/memory/3092-129-0x0000000000400000-0x0000000000537000-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 2516 set thread context of 3092	2516	db796fc968041267daff136126768ff072bd3e4e271d1c81120b0eaf6056bf60.exe	80

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4940	3092	WerFault.exe	80

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 3092	2516	db796fc968041267daff136126768ff072bd3e4e271d1c81120b0eaf6056bf60.exe	80
PID 2516 wrote to memory of 3092	2516	db796fc968041267daff136126768ff072bd3e4e271d1c81120b0eaf6056bf60.exe	80
PID 2516 wrote to memory of 3092	2516	db796fc968041267daff136126768ff072bd3e4e271d1c81120b0eaf6056bf60.exe	80
PID 2516 wrote to memory of 3092	2516	db796fc968041267daff136126768ff072bd3e4e271d1c81120b0eaf6056bf60.exe	80
PID 2516 wrote to memory of 3092	2516	db796fc968041267daff136126768ff072bd3e4e271d1c81120b0eaf6056bf60.exe	80
PID 2516 wrote to memory of 3092	2516	db796fc968041267daff136126768ff072bd3e4e271d1c81120b0eaf6056bf60.exe	80
PID 2516 wrote to memory of 3092	2516	db796fc968041267daff136126768ff072bd3e4e271d1c81120b0eaf6056bf60.exe	80
PID 2516 wrote to memory of 3092	2516	db796fc968041267daff136126768ff072bd3e4e271d1c81120b0eaf6056bf60.exe	80
PID 2516 wrote to memory of 3092	2516	db796fc968041267daff136126768ff072bd3e4e271d1c81120b0eaf6056bf60.exe	80
PID 2516 wrote to memory of 3092	2516	db796fc968041267daff136126768ff072bd3e4e271d1c81120b0eaf6056bf60.exe	80

C:\Users\Admin\AppData\Local\Temp\db796fc968041267daff136126768ff072bd3e4e271d1c81120b0eaf6056bf60.exe
"C:\Users\Admin\AppData\Local\Temp\db796fc968041267daff136126768ff072bd3e4e271d1c81120b0eaf6056bf60.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Users\Admin\AppData\Local\Temp\db796fc968041267daff136126768ff072bd3e4e271d1c81120b0eaf6056bf60.exe
  "C:\Users\Admin\AppData\Local\Temp\db796fc968041267daff136126768ff072bd3e4e271d1c81120b0eaf6056bf60.exe"
  2⤵
  PID:3092
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3092 -s 536
    3⤵
    - Program crash
    PID:4940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3092 -ip 3092
1⤵
PID:4148

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2516-127-0x00000000021AF000-0x0000000002241000-memory.dmp

Download

memory/2516-128-0x0000000002250000-0x000000000236B000-memory.dmp

Download

memory/3092-125-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/3092-126-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/3092-129-0x0000000000400000-0x0000000000537000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads