djvu | 5174c6612db7aaaec2364d35ce67de1f875cff6bd8331d65514d64f2947564ea

General

Target
5174c6612db7aaaec2364d35ce67de1f875cff6bd8331d65514d64f2947564ea.exe
Size 778KB
Sample220331-r5ab7sddh4
SHA256 5174c6612db7aaaec2364d35ce67de1f875cff6bd8331d65514d64f2947564ea
MD5 a85562d8528d8aa653fda6866505814e
SHA1 a3bc7c96145566ada0500350984e286d2a02943b
SHA512 62422f9091be5c7f29b858223bd27b34db0442bf1241109dea48d102631cff979dba4ce1c26808c079e2ac34332bac74095b057a54e6bae0b55aa5ab6bb6fe14
MD5 SHA1 SHA512

Score

10^/10

djvu ransomware

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/fhsgtsspen6/get.php

Attributes

extension
.mpag
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: 0438JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 4 IoCs

resource	yara_rule
behavioral2/memory/4188-134-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4188-135-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4188-138-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3096-137-0x0000000002250000-0x000000000236B000-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 3096 set thread context of 4188	3096	5174c6612db7aaaec2364d35ce67de1f875cff6bd8331d65514d64f2947564ea.exe	80

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4060	4188	WerFault.exe	80

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3096 wrote to memory of 4188	3096	5174c6612db7aaaec2364d35ce67de1f875cff6bd8331d65514d64f2947564ea.exe	80
PID 3096 wrote to memory of 4188	3096	5174c6612db7aaaec2364d35ce67de1f875cff6bd8331d65514d64f2947564ea.exe	80
PID 3096 wrote to memory of 4188	3096	5174c6612db7aaaec2364d35ce67de1f875cff6bd8331d65514d64f2947564ea.exe	80
PID 3096 wrote to memory of 4188	3096	5174c6612db7aaaec2364d35ce67de1f875cff6bd8331d65514d64f2947564ea.exe	80
PID 3096 wrote to memory of 4188	3096	5174c6612db7aaaec2364d35ce67de1f875cff6bd8331d65514d64f2947564ea.exe	80
PID 3096 wrote to memory of 4188	3096	5174c6612db7aaaec2364d35ce67de1f875cff6bd8331d65514d64f2947564ea.exe	80
PID 3096 wrote to memory of 4188	3096	5174c6612db7aaaec2364d35ce67de1f875cff6bd8331d65514d64f2947564ea.exe	80
PID 3096 wrote to memory of 4188	3096	5174c6612db7aaaec2364d35ce67de1f875cff6bd8331d65514d64f2947564ea.exe	80
PID 3096 wrote to memory of 4188	3096	5174c6612db7aaaec2364d35ce67de1f875cff6bd8331d65514d64f2947564ea.exe	80
PID 3096 wrote to memory of 4188	3096	5174c6612db7aaaec2364d35ce67de1f875cff6bd8331d65514d64f2947564ea.exe	80

C:\Users\Admin\AppData\Local\Temp\5174c6612db7aaaec2364d35ce67de1f875cff6bd8331d65514d64f2947564ea.exe
"C:\Users\Admin\AppData\Local\Temp\5174c6612db7aaaec2364d35ce67de1f875cff6bd8331d65514d64f2947564ea.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3096
- C:\Users\Admin\AppData\Local\Temp\5174c6612db7aaaec2364d35ce67de1f875cff6bd8331d65514d64f2947564ea.exe
  "C:\Users\Admin\AppData\Local\Temp\5174c6612db7aaaec2364d35ce67de1f875cff6bd8331d65514d64f2947564ea.exe"
  2⤵
  PID:4188
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4188 -s 536
    3⤵
    - Program crash
    PID:4060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 4188 -ip 4188
1⤵
PID:1680

Network

MITRE ATT&CK Matrix

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Downloads

memory/3096-136-0x0000000000649000-0x00000000006DB000-memory.dmp

Download

memory/3096-137-0x0000000002250000-0x000000000236B000-memory.dmp

Download

memory/4188-134-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/4188-135-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/4188-138-0x0000000000400000-0x0000000000537000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads