djvu | fc0d639c0918938bdf00fa6f1dc4bc03002c328428fc34a34b050aee8e3beb8c

General

Target
fc0d639c0918938bdf00fa6f1dc4bc03002c328428fc34a34b050aee8e3beb8c.exe
Size 758KB
Sample220325-ktx6kaabcq
SHA256 fc0d639c0918938bdf00fa6f1dc4bc03002c328428fc34a34b050aee8e3beb8c
MD5 588bd4f575fd378f9ed1a913811f1df2
SHA1 0e080c536e65b23d367fcbc46ef9c7d9f76a4cec
SHA512 a382051d952b96d95eab1e7a1c1747e2e873f46823dabc4679f4cc558515883bd744af700e6949a9e3d3310dc4b6618da689c309e19f9b548d0b0a440b4ed89b
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/2616-135-0x00000000022A0000-0x00000000023BB000-memory.dmp	family_djvu
behavioral2/memory/3840-137-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3840-138-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3840-139-0x0000000000400000-0x0000000000537000-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 2616 set thread context of 3840	2616	fc0d639c0918938bdf00fa6f1dc4bc03002c328428fc34a34b050aee8e3beb8c.exe	86

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3932	3840	WerFault.exe	86

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 3840	2616	fc0d639c0918938bdf00fa6f1dc4bc03002c328428fc34a34b050aee8e3beb8c.exe	86
PID 2616 wrote to memory of 3840	2616	fc0d639c0918938bdf00fa6f1dc4bc03002c328428fc34a34b050aee8e3beb8c.exe	86
PID 2616 wrote to memory of 3840	2616	fc0d639c0918938bdf00fa6f1dc4bc03002c328428fc34a34b050aee8e3beb8c.exe	86
PID 2616 wrote to memory of 3840	2616	fc0d639c0918938bdf00fa6f1dc4bc03002c328428fc34a34b050aee8e3beb8c.exe	86
PID 2616 wrote to memory of 3840	2616	fc0d639c0918938bdf00fa6f1dc4bc03002c328428fc34a34b050aee8e3beb8c.exe	86
PID 2616 wrote to memory of 3840	2616	fc0d639c0918938bdf00fa6f1dc4bc03002c328428fc34a34b050aee8e3beb8c.exe	86
PID 2616 wrote to memory of 3840	2616	fc0d639c0918938bdf00fa6f1dc4bc03002c328428fc34a34b050aee8e3beb8c.exe	86
PID 2616 wrote to memory of 3840	2616	fc0d639c0918938bdf00fa6f1dc4bc03002c328428fc34a34b050aee8e3beb8c.exe	86
PID 2616 wrote to memory of 3840	2616	fc0d639c0918938bdf00fa6f1dc4bc03002c328428fc34a34b050aee8e3beb8c.exe	86
PID 2616 wrote to memory of 3840	2616	fc0d639c0918938bdf00fa6f1dc4bc03002c328428fc34a34b050aee8e3beb8c.exe	86

C:\Users\Admin\AppData\Local\Temp\fc0d639c0918938bdf00fa6f1dc4bc03002c328428fc34a34b050aee8e3beb8c.exe
"C:\Users\Admin\AppData\Local\Temp\fc0d639c0918938bdf00fa6f1dc4bc03002c328428fc34a34b050aee8e3beb8c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2616
- C:\Users\Admin\AppData\Local\Temp\fc0d639c0918938bdf00fa6f1dc4bc03002c328428fc34a34b050aee8e3beb8c.exe
  "C:\Users\Admin\AppData\Local\Temp\fc0d639c0918938bdf00fa6f1dc4bc03002c328428fc34a34b050aee8e3beb8c.exe"
  2⤵
  PID:3840
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3840 -s 536
    3⤵
    - Program crash
    PID:3932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3840 -ip 3840
1⤵
PID:3744

Network

MITRE ATT&CK Matrix

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Downloads

memory/2616-134-0x000000000220B000-0x000000000229C000-memory.dmp

Download

memory/2616-135-0x00000000022A0000-0x00000000023BB000-memory.dmp

Download

memory/3840-137-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/3840-138-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/3840-139-0x0000000000400000-0x0000000000537000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads