djvu | 5fa3c8ce7d1e92f35a9ff643f21d28ad23ee2a901822748c0b04c562a93830af

General

Target
5fa3c8ce7d1e92f35a9ff643f21d28ad23ee2a901822748c0b04c562a93830af.exe
Size 787KB
Sample220330-gnk29shaa6
SHA256 5fa3c8ce7d1e92f35a9ff643f21d28ad23ee2a901822748c0b04c562a93830af
MD5 2daba671bab4b268dee2281056d22ebc
SHA1 ad9c6a66d2b0095c1c8b88cfe6320d9639ad3f43
SHA512 adb304e8716879442882404533f5b89fce3a23023f415c9f7deaf0df6291e69e3f841f9972f9746062862b0cd03514c1bb6b97ed436f955577e279a64d9db3ac
MD5 SHA1 SHA512

Score

10^/10

djvu ransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.kxde
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: 0433JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 4 IoCs

resource	yara_rule
behavioral2/memory/4184-135-0x0000000002350000-0x000000000246B000-memory.dmp	family_djvu
behavioral2/memory/3536-137-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3536-138-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3536-139-0x0000000000400000-0x0000000000537000-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 4184 set thread context of 3536	4184	5fa3c8ce7d1e92f35a9ff643f21d28ad23ee2a901822748c0b04c562a93830af.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4848	3536	WerFault.exe	83

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4184 wrote to memory of 3536	4184	5fa3c8ce7d1e92f35a9ff643f21d28ad23ee2a901822748c0b04c562a93830af.exe	83
PID 4184 wrote to memory of 3536	4184	5fa3c8ce7d1e92f35a9ff643f21d28ad23ee2a901822748c0b04c562a93830af.exe	83
PID 4184 wrote to memory of 3536	4184	5fa3c8ce7d1e92f35a9ff643f21d28ad23ee2a901822748c0b04c562a93830af.exe	83
PID 4184 wrote to memory of 3536	4184	5fa3c8ce7d1e92f35a9ff643f21d28ad23ee2a901822748c0b04c562a93830af.exe	83
PID 4184 wrote to memory of 3536	4184	5fa3c8ce7d1e92f35a9ff643f21d28ad23ee2a901822748c0b04c562a93830af.exe	83
PID 4184 wrote to memory of 3536	4184	5fa3c8ce7d1e92f35a9ff643f21d28ad23ee2a901822748c0b04c562a93830af.exe	83
PID 4184 wrote to memory of 3536	4184	5fa3c8ce7d1e92f35a9ff643f21d28ad23ee2a901822748c0b04c562a93830af.exe	83
PID 4184 wrote to memory of 3536	4184	5fa3c8ce7d1e92f35a9ff643f21d28ad23ee2a901822748c0b04c562a93830af.exe	83
PID 4184 wrote to memory of 3536	4184	5fa3c8ce7d1e92f35a9ff643f21d28ad23ee2a901822748c0b04c562a93830af.exe	83
PID 4184 wrote to memory of 3536	4184	5fa3c8ce7d1e92f35a9ff643f21d28ad23ee2a901822748c0b04c562a93830af.exe	83

C:\Users\Admin\AppData\Local\Temp\5fa3c8ce7d1e92f35a9ff643f21d28ad23ee2a901822748c0b04c562a93830af.exe
"C:\Users\Admin\AppData\Local\Temp\5fa3c8ce7d1e92f35a9ff643f21d28ad23ee2a901822748c0b04c562a93830af.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4184
- C:\Users\Admin\AppData\Local\Temp\5fa3c8ce7d1e92f35a9ff643f21d28ad23ee2a901822748c0b04c562a93830af.exe
  "C:\Users\Admin\AppData\Local\Temp\5fa3c8ce7d1e92f35a9ff643f21d28ad23ee2a901822748c0b04c562a93830af.exe"
  2⤵
  PID:3536
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3536 -s 536
    3⤵
    - Program crash
    PID:4848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 3536 -ip 3536
1⤵
PID:1284

Network

MITRE ATT&CK Matrix

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Downloads

memory/3536-137-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/3536-138-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/3536-139-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/4184-134-0x00000000022BB000-0x000000000234D000-memory.dmp

Download

memory/4184-135-0x0000000002350000-0x000000000246B000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads