djvu | df44772e8eb751fe42591ec02926257e5aea30820a82f19b7b8d2e46c506dd05

General

Target
df44772e8eb751fe42591ec02926257e5aea30820a82f19b7b8d2e46c506dd05.exe
Size 811KB
Sample220406-pb2hgscdb4
SHA256 df44772e8eb751fe42591ec02926257e5aea30820a82f19b7b8d2e46c506dd05
MD5 9ea43d7d80bc4b92a5211c45fbe75c25
SHA1 898f838a5c1cef3d9bf8b5a79100867346b9ceaf
SHA512 2616b6c3b57f2d08f5d39edba8ca4d52a05ef1aa913d3d018b360f2c4e0187b4979a4dde36e508f1e9f01f61f12050aed56ea1888cdaba34772aac89ef50d31b
MD5 SHA1 SHA512

Score

10^/10

djvu ransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.uigd
offline_id
1WQ4dDSY8AVihbECj8VLUDhHWpSCoV5it0bIDjt1
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-kilPVod4em 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: 0423Jsfkjn

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 4 IoCs

resource	yara_rule
behavioral2/memory/4716-125-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4716-126-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4868-128-0x0000000002380000-0x000000000249B000-memory.dmp	family_djvu
behavioral2/memory/4716-129-0x0000000000400000-0x0000000000537000-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 4868 set thread context of 4716	4868	df44772e8eb751fe42591ec02926257e5aea30820a82f19b7b8d2e46c506dd05.exe	80

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4964	4716	WerFault.exe	80

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4868 wrote to memory of 4716	4868	df44772e8eb751fe42591ec02926257e5aea30820a82f19b7b8d2e46c506dd05.exe	80
PID 4868 wrote to memory of 4716	4868	df44772e8eb751fe42591ec02926257e5aea30820a82f19b7b8d2e46c506dd05.exe	80
PID 4868 wrote to memory of 4716	4868	df44772e8eb751fe42591ec02926257e5aea30820a82f19b7b8d2e46c506dd05.exe	80
PID 4868 wrote to memory of 4716	4868	df44772e8eb751fe42591ec02926257e5aea30820a82f19b7b8d2e46c506dd05.exe	80
PID 4868 wrote to memory of 4716	4868	df44772e8eb751fe42591ec02926257e5aea30820a82f19b7b8d2e46c506dd05.exe	80
PID 4868 wrote to memory of 4716	4868	df44772e8eb751fe42591ec02926257e5aea30820a82f19b7b8d2e46c506dd05.exe	80
PID 4868 wrote to memory of 4716	4868	df44772e8eb751fe42591ec02926257e5aea30820a82f19b7b8d2e46c506dd05.exe	80
PID 4868 wrote to memory of 4716	4868	df44772e8eb751fe42591ec02926257e5aea30820a82f19b7b8d2e46c506dd05.exe	80
PID 4868 wrote to memory of 4716	4868	df44772e8eb751fe42591ec02926257e5aea30820a82f19b7b8d2e46c506dd05.exe	80
PID 4868 wrote to memory of 4716	4868	df44772e8eb751fe42591ec02926257e5aea30820a82f19b7b8d2e46c506dd05.exe	80

C:\Users\Admin\AppData\Local\Temp\df44772e8eb751fe42591ec02926257e5aea30820a82f19b7b8d2e46c506dd05.exe
"C:\Users\Admin\AppData\Local\Temp\df44772e8eb751fe42591ec02926257e5aea30820a82f19b7b8d2e46c506dd05.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4868
- C:\Users\Admin\AppData\Local\Temp\df44772e8eb751fe42591ec02926257e5aea30820a82f19b7b8d2e46c506dd05.exe
  "C:\Users\Admin\AppData\Local\Temp\df44772e8eb751fe42591ec02926257e5aea30820a82f19b7b8d2e46c506dd05.exe"
  2⤵
  PID:4716
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4716 -s 536
    3⤵
    - Program crash
    PID:4964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4716 -ip 4716
1⤵
PID:2092

Network

MITRE ATT&CK Matrix

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Downloads

memory/4716-125-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/4716-126-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/4716-129-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/4868-127-0x0000000002293000-0x0000000002324000-memory.dmp

Download

memory/4868-128-0x0000000002380000-0x000000000249B000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads