djvu | f8db10513db12a4bb861d7b1f52e56f5de5f5dba7614fdee3db67b191fee85c6

General

Target
f8db10513db12a4bb861d7b1f52e56f5de5f5dba7614fdee3db67b191fee85c6.exe
Size 772KB
Sample220325-ktx6kaabcp
SHA256 f8db10513db12a4bb861d7b1f52e56f5de5f5dba7614fdee3db67b191fee85c6
MD5 261af9a2e55b06a65fcb421fd3886914
SHA1 90082c8009e7a8f15decfc1d801eb664342b3420
SHA512 1609b476a8abc14dd53aa3ffb6c1d55396ea159952364ad0d704a22749550f62cf549f596aee144f285ce16f287bf884821c2508842a37ba81222f016772f1a5
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/5084-131-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5084-132-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2700-135-0x0000000002250000-0x000000000236B000-memory.dmp	family_djvu
behavioral2/memory/5084-134-0x0000000000400000-0x0000000000537000-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 2700 set thread context of 5084	2700	f8db10513db12a4bb861d7b1f52e56f5de5f5dba7614fdee3db67b191fee85c6.exe	79

Program crash 1 IoCs

pid	pid_target	Process	procid_target
384	5084	WerFault.exe	79

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 5084	2700	f8db10513db12a4bb861d7b1f52e56f5de5f5dba7614fdee3db67b191fee85c6.exe	79
PID 2700 wrote to memory of 5084	2700	f8db10513db12a4bb861d7b1f52e56f5de5f5dba7614fdee3db67b191fee85c6.exe	79
PID 2700 wrote to memory of 5084	2700	f8db10513db12a4bb861d7b1f52e56f5de5f5dba7614fdee3db67b191fee85c6.exe	79
PID 2700 wrote to memory of 5084	2700	f8db10513db12a4bb861d7b1f52e56f5de5f5dba7614fdee3db67b191fee85c6.exe	79
PID 2700 wrote to memory of 5084	2700	f8db10513db12a4bb861d7b1f52e56f5de5f5dba7614fdee3db67b191fee85c6.exe	79
PID 2700 wrote to memory of 5084	2700	f8db10513db12a4bb861d7b1f52e56f5de5f5dba7614fdee3db67b191fee85c6.exe	79
PID 2700 wrote to memory of 5084	2700	f8db10513db12a4bb861d7b1f52e56f5de5f5dba7614fdee3db67b191fee85c6.exe	79
PID 2700 wrote to memory of 5084	2700	f8db10513db12a4bb861d7b1f52e56f5de5f5dba7614fdee3db67b191fee85c6.exe	79
PID 2700 wrote to memory of 5084	2700	f8db10513db12a4bb861d7b1f52e56f5de5f5dba7614fdee3db67b191fee85c6.exe	79
PID 2700 wrote to memory of 5084	2700	f8db10513db12a4bb861d7b1f52e56f5de5f5dba7614fdee3db67b191fee85c6.exe	79

C:\Users\Admin\AppData\Local\Temp\f8db10513db12a4bb861d7b1f52e56f5de5f5dba7614fdee3db67b191fee85c6.exe
"C:\Users\Admin\AppData\Local\Temp\f8db10513db12a4bb861d7b1f52e56f5de5f5dba7614fdee3db67b191fee85c6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Users\Admin\AppData\Local\Temp\f8db10513db12a4bb861d7b1f52e56f5de5f5dba7614fdee3db67b191fee85c6.exe
  "C:\Users\Admin\AppData\Local\Temp\f8db10513db12a4bb861d7b1f52e56f5de5f5dba7614fdee3db67b191fee85c6.exe"
  2⤵
  PID:5084
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5084 -s 536
    3⤵
    - Program crash
    PID:384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 5084 -ip 5084
1⤵
PID:3088

Network

MITRE ATT&CK Matrix

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Downloads

memory/2700-133-0x0000000002103000-0x0000000002195000-memory.dmp

Download

memory/2700-135-0x0000000002250000-0x000000000236B000-memory.dmp

Download

memory/5084-131-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/5084-132-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/5084-134-0x0000000000400000-0x0000000000537000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads