djvu | c2a9c90a2187e7f04f6b822fd154e207f9cd1a2f3868ecfd5665a900c2e975df

General

Target
c2a9c90a2187e7f04f6b822fd154e207f9cd1a2f3868ecfd5665a900c2e975df.exe
Size 834KB
Sample220330-gn6c7sdbel
SHA256 c2a9c90a2187e7f04f6b822fd154e207f9cd1a2f3868ecfd5665a900c2e975df
MD5 4478bc42ac51c782845184d81cf9b9b9
SHA1 0732632632bb73b27b9c4ab967b119391c2e7406
SHA512 d96a4a636efc26a4788ffb3ccea3f108789f0a709f58f2502b8722eef100eac02738ffde1f124449b0f6e974ca324aea52faf9154ace8e4c6430372d882d890f
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/5116-131-0x0000000002250000-0x000000000236B000-memory.dmp	family_djvu
behavioral2/memory/400-133-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/400-134-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/400-135-0x0000000000400000-0x0000000000537000-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 5116 set thread context of 400	5116	c2a9c90a2187e7f04f6b822fd154e207f9cd1a2f3868ecfd5665a900c2e975df.exe	78

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1652	400	WerFault.exe	78

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 5116 wrote to memory of 400	5116	c2a9c90a2187e7f04f6b822fd154e207f9cd1a2f3868ecfd5665a900c2e975df.exe	78
PID 5116 wrote to memory of 400	5116	c2a9c90a2187e7f04f6b822fd154e207f9cd1a2f3868ecfd5665a900c2e975df.exe	78
PID 5116 wrote to memory of 400	5116	c2a9c90a2187e7f04f6b822fd154e207f9cd1a2f3868ecfd5665a900c2e975df.exe	78
PID 5116 wrote to memory of 400	5116	c2a9c90a2187e7f04f6b822fd154e207f9cd1a2f3868ecfd5665a900c2e975df.exe	78
PID 5116 wrote to memory of 400	5116	c2a9c90a2187e7f04f6b822fd154e207f9cd1a2f3868ecfd5665a900c2e975df.exe	78
PID 5116 wrote to memory of 400	5116	c2a9c90a2187e7f04f6b822fd154e207f9cd1a2f3868ecfd5665a900c2e975df.exe	78
PID 5116 wrote to memory of 400	5116	c2a9c90a2187e7f04f6b822fd154e207f9cd1a2f3868ecfd5665a900c2e975df.exe	78
PID 5116 wrote to memory of 400	5116	c2a9c90a2187e7f04f6b822fd154e207f9cd1a2f3868ecfd5665a900c2e975df.exe	78
PID 5116 wrote to memory of 400	5116	c2a9c90a2187e7f04f6b822fd154e207f9cd1a2f3868ecfd5665a900c2e975df.exe	78
PID 5116 wrote to memory of 400	5116	c2a9c90a2187e7f04f6b822fd154e207f9cd1a2f3868ecfd5665a900c2e975df.exe	78

C:\Users\Admin\AppData\Local\Temp\c2a9c90a2187e7f04f6b822fd154e207f9cd1a2f3868ecfd5665a900c2e975df.exe
"C:\Users\Admin\AppData\Local\Temp\c2a9c90a2187e7f04f6b822fd154e207f9cd1a2f3868ecfd5665a900c2e975df.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5116
- C:\Users\Admin\AppData\Local\Temp\c2a9c90a2187e7f04f6b822fd154e207f9cd1a2f3868ecfd5665a900c2e975df.exe
  "C:\Users\Admin\AppData\Local\Temp\c2a9c90a2187e7f04f6b822fd154e207f9cd1a2f3868ecfd5665a900c2e975df.exe"
  2⤵
  PID:400
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 400 -s 536
    3⤵
    - Program crash
    PID:1652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 400 -ip 400
1⤵
PID:1520

Network

MITRE ATT&CK Matrix

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Downloads

memory/400-133-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/400-134-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/400-135-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/5116-130-0x00000000021BA000-0x000000000224C000-memory.dmp

Download

memory/5116-131-0x0000000002250000-0x000000000236B000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads