djvu | c39d0bcc9babaa2ebef7232a9309779125997079b7dbe86256aa81a8e46136f1

General

Target
c39d0bcc9babaa2ebef7232a9309779125997079b7dbe86256aa81a8e46136f1.exe
Size 768KB
Sample220406-pb17qacda7
SHA256 c39d0bcc9babaa2ebef7232a9309779125997079b7dbe86256aa81a8e46136f1
MD5 14ee63fc90db7b63822570e0f9d2d1d4
SHA1 54aa6cc1ab49621c1d3847b7311ef65eb7ab1f3a
SHA512 534a3d0eac30f6472512dbad5ee7e89d36b89de3ee1d734efc97a8a47c7c8825be89cfbeecbb2d19a4fc3afe2dc5670c52f23ce0f04ff45cf6d5c43dc35d1829
MD5 SHA1 SHA512

Score

10^/10

djvu ransomware

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/test1/get.php

Attributes

extension
.tuid
offline_id
LgcOIftV0dQfFBQStVNfb8BhHy8tHRPvXwSiFwt1
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-FglTTmgzZT 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: 0440tOjkfd

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 4 IoCs

resource	yara_rule
behavioral2/memory/4844-125-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4844-126-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4844-128-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4796-129-0x00000000021C0000-0x00000000022DB000-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 4796 set thread context of 4844	4796	c39d0bcc9babaa2ebef7232a9309779125997079b7dbe86256aa81a8e46136f1.exe	80

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4948	4844	WerFault.exe	80

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4796 wrote to memory of 4844	4796	c39d0bcc9babaa2ebef7232a9309779125997079b7dbe86256aa81a8e46136f1.exe	80
PID 4796 wrote to memory of 4844	4796	c39d0bcc9babaa2ebef7232a9309779125997079b7dbe86256aa81a8e46136f1.exe	80
PID 4796 wrote to memory of 4844	4796	c39d0bcc9babaa2ebef7232a9309779125997079b7dbe86256aa81a8e46136f1.exe	80
PID 4796 wrote to memory of 4844	4796	c39d0bcc9babaa2ebef7232a9309779125997079b7dbe86256aa81a8e46136f1.exe	80
PID 4796 wrote to memory of 4844	4796	c39d0bcc9babaa2ebef7232a9309779125997079b7dbe86256aa81a8e46136f1.exe	80
PID 4796 wrote to memory of 4844	4796	c39d0bcc9babaa2ebef7232a9309779125997079b7dbe86256aa81a8e46136f1.exe	80
PID 4796 wrote to memory of 4844	4796	c39d0bcc9babaa2ebef7232a9309779125997079b7dbe86256aa81a8e46136f1.exe	80
PID 4796 wrote to memory of 4844	4796	c39d0bcc9babaa2ebef7232a9309779125997079b7dbe86256aa81a8e46136f1.exe	80
PID 4796 wrote to memory of 4844	4796	c39d0bcc9babaa2ebef7232a9309779125997079b7dbe86256aa81a8e46136f1.exe	80
PID 4796 wrote to memory of 4844	4796	c39d0bcc9babaa2ebef7232a9309779125997079b7dbe86256aa81a8e46136f1.exe	80

C:\Users\Admin\AppData\Local\Temp\c39d0bcc9babaa2ebef7232a9309779125997079b7dbe86256aa81a8e46136f1.exe
"C:\Users\Admin\AppData\Local\Temp\c39d0bcc9babaa2ebef7232a9309779125997079b7dbe86256aa81a8e46136f1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4796
- C:\Users\Admin\AppData\Local\Temp\c39d0bcc9babaa2ebef7232a9309779125997079b7dbe86256aa81a8e46136f1.exe
  "C:\Users\Admin\AppData\Local\Temp\c39d0bcc9babaa2ebef7232a9309779125997079b7dbe86256aa81a8e46136f1.exe"
  2⤵
  PID:4844
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4844 -s 536
    3⤵
    - Program crash
    PID:4948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4844 -ip 4844
1⤵
PID:4644

Network

MITRE ATT&CK Matrix

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Downloads

memory/4796-127-0x00000000005C4000-0x0000000000655000-memory.dmp

Download

memory/4796-129-0x00000000021C0000-0x00000000022DB000-memory.dmp

Download

memory/4844-125-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/4844-126-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/4844-128-0x0000000000400000-0x0000000000537000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads