djvu | c0bef9ba844c2d2cf99c9e7e397dcb9be6ba14bc8466603f6f2765e9213137d8

General

Target
c0bef9ba844c2d2cf99c9e7e397dcb9be6ba14bc8466603f6f2765e9213137d8.exe
Size 776KB
Sample220329-fejmeabgh6
SHA256 c0bef9ba844c2d2cf99c9e7e397dcb9be6ba14bc8466603f6f2765e9213137d8
MD5 7041e65dc178509b2d6082e7ee3d691e
SHA1 4de716b6312a9ff0317a936389f612339f90aab4
SHA512 0ba2b11919a5cd063b15e210721b2f54dc54f5729df19ce2454997fb5e0807d7e06d4aaa745a5a2ca5b3ef94a90f72bf4b479a3752d44172e1046f38667d279f
MD5 SHA1 SHA512

Score

10^/10

djvu ransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.mmuz
offline_id
dYUDKE4rrBmSPsf8srHMsyP40jle9uyxDDCfdxt1
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-NdDG3HIUZp 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: 0428Jsfkjn

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 4 IoCs

resource	yara_rule
behavioral2/memory/2816-135-0x00000000023D0000-0x00000000024EB000-memory.dmp	family_djvu
behavioral2/memory/4852-137-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4852-138-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4852-139-0x0000000000400000-0x0000000000537000-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 2816 set thread context of 4852	2816	c0bef9ba844c2d2cf99c9e7e397dcb9be6ba14bc8466603f6f2765e9213137d8.exe	84

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2960	4852	WerFault.exe	84

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 4852	2816	c0bef9ba844c2d2cf99c9e7e397dcb9be6ba14bc8466603f6f2765e9213137d8.exe	84
PID 2816 wrote to memory of 4852	2816	c0bef9ba844c2d2cf99c9e7e397dcb9be6ba14bc8466603f6f2765e9213137d8.exe	84
PID 2816 wrote to memory of 4852	2816	c0bef9ba844c2d2cf99c9e7e397dcb9be6ba14bc8466603f6f2765e9213137d8.exe	84
PID 2816 wrote to memory of 4852	2816	c0bef9ba844c2d2cf99c9e7e397dcb9be6ba14bc8466603f6f2765e9213137d8.exe	84
PID 2816 wrote to memory of 4852	2816	c0bef9ba844c2d2cf99c9e7e397dcb9be6ba14bc8466603f6f2765e9213137d8.exe	84
PID 2816 wrote to memory of 4852	2816	c0bef9ba844c2d2cf99c9e7e397dcb9be6ba14bc8466603f6f2765e9213137d8.exe	84
PID 2816 wrote to memory of 4852	2816	c0bef9ba844c2d2cf99c9e7e397dcb9be6ba14bc8466603f6f2765e9213137d8.exe	84
PID 2816 wrote to memory of 4852	2816	c0bef9ba844c2d2cf99c9e7e397dcb9be6ba14bc8466603f6f2765e9213137d8.exe	84
PID 2816 wrote to memory of 4852	2816	c0bef9ba844c2d2cf99c9e7e397dcb9be6ba14bc8466603f6f2765e9213137d8.exe	84
PID 2816 wrote to memory of 4852	2816	c0bef9ba844c2d2cf99c9e7e397dcb9be6ba14bc8466603f6f2765e9213137d8.exe	84

C:\Users\Admin\AppData\Local\Temp\c0bef9ba844c2d2cf99c9e7e397dcb9be6ba14bc8466603f6f2765e9213137d8.exe
"C:\Users\Admin\AppData\Local\Temp\c0bef9ba844c2d2cf99c9e7e397dcb9be6ba14bc8466603f6f2765e9213137d8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Users\Admin\AppData\Local\Temp\c0bef9ba844c2d2cf99c9e7e397dcb9be6ba14bc8466603f6f2765e9213137d8.exe
  "C:\Users\Admin\AppData\Local\Temp\c0bef9ba844c2d2cf99c9e7e397dcb9be6ba14bc8466603f6f2765e9213137d8.exe"
  2⤵
  PID:4852
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4852 -s 536
    3⤵
    - Program crash
    PID:2960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4852 -ip 4852
1⤵
PID:3432

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2816-134-0x00000000022E1000-0x0000000002373000-memory.dmp

Download

memory/2816-135-0x00000000023D0000-0x00000000024EB000-memory.dmp

Download

memory/4852-137-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/4852-138-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/4852-139-0x0000000000400000-0x0000000000537000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads