djvu | e1874cbdab0f1c7aa3b0312b9c5cea5dac9da3a23a9bfed2390eabca1649bf7e

General

Target
e1874cbdab0f1c7aa3b0312b9c5cea5dac9da3a23a9bfed2390eabca1649bf7e.exe
Size 769KB
Sample220405-gyrb2aeacm
SHA256 e1874cbdab0f1c7aa3b0312b9c5cea5dac9da3a23a9bfed2390eabca1649bf7e
MD5 353c587cf42575e616997e677f64c351
SHA1 1cabd54526d70db3113a2e66968740c5333801be
SHA512 14297476edfbc0b3ec24d15b1b48daa8ce00ee30f7e0b53aa7c9f7d009882f3ef85d0501c02214b94b5fe2bfefee2a893e75346c4409d1d7fff8250ddc239389
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/2176-134-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2176-135-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/204-137-0x00000000021F0000-0x000000000230B000-memory.dmp	family_djvu
behavioral2/memory/2176-138-0x0000000000400000-0x0000000000537000-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 204 set thread context of 2176	204	e1874cbdab0f1c7aa3b0312b9c5cea5dac9da3a23a9bfed2390eabca1649bf7e.exe	79

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2996	2176	WerFault.exe	79

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 204 wrote to memory of 2176	204	e1874cbdab0f1c7aa3b0312b9c5cea5dac9da3a23a9bfed2390eabca1649bf7e.exe	79
PID 204 wrote to memory of 2176	204	e1874cbdab0f1c7aa3b0312b9c5cea5dac9da3a23a9bfed2390eabca1649bf7e.exe	79
PID 204 wrote to memory of 2176	204	e1874cbdab0f1c7aa3b0312b9c5cea5dac9da3a23a9bfed2390eabca1649bf7e.exe	79
PID 204 wrote to memory of 2176	204	e1874cbdab0f1c7aa3b0312b9c5cea5dac9da3a23a9bfed2390eabca1649bf7e.exe	79
PID 204 wrote to memory of 2176	204	e1874cbdab0f1c7aa3b0312b9c5cea5dac9da3a23a9bfed2390eabca1649bf7e.exe	79
PID 204 wrote to memory of 2176	204	e1874cbdab0f1c7aa3b0312b9c5cea5dac9da3a23a9bfed2390eabca1649bf7e.exe	79
PID 204 wrote to memory of 2176	204	e1874cbdab0f1c7aa3b0312b9c5cea5dac9da3a23a9bfed2390eabca1649bf7e.exe	79
PID 204 wrote to memory of 2176	204	e1874cbdab0f1c7aa3b0312b9c5cea5dac9da3a23a9bfed2390eabca1649bf7e.exe	79
PID 204 wrote to memory of 2176	204	e1874cbdab0f1c7aa3b0312b9c5cea5dac9da3a23a9bfed2390eabca1649bf7e.exe	79
PID 204 wrote to memory of 2176	204	e1874cbdab0f1c7aa3b0312b9c5cea5dac9da3a23a9bfed2390eabca1649bf7e.exe	79

C:\Users\Admin\AppData\Local\Temp\e1874cbdab0f1c7aa3b0312b9c5cea5dac9da3a23a9bfed2390eabca1649bf7e.exe
"C:\Users\Admin\AppData\Local\Temp\e1874cbdab0f1c7aa3b0312b9c5cea5dac9da3a23a9bfed2390eabca1649bf7e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:204
- C:\Users\Admin\AppData\Local\Temp\e1874cbdab0f1c7aa3b0312b9c5cea5dac9da3a23a9bfed2390eabca1649bf7e.exe
  "C:\Users\Admin\AppData\Local\Temp\e1874cbdab0f1c7aa3b0312b9c5cea5dac9da3a23a9bfed2390eabca1649bf7e.exe"
  2⤵
  PID:2176
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2176 -s 536
    3⤵
    - Program crash
    PID:2996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 2176 -ip 2176
1⤵
PID:3564

Network

MITRE ATT&CK Matrix

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Downloads

memory/204-136-0x000000000061B000-0x00000000006AD000-memory.dmp

Download

memory/204-137-0x00000000021F0000-0x000000000230B000-memory.dmp

Download

memory/2176-134-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/2176-135-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/2176-138-0x0000000000400000-0x0000000000537000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads