djvu | e93dfe97cdd0a9bcd8cc42063fb14cef4e4e0d588871614c3cea18e4c4ba77d7

General

Target
e93dfe97cdd0a9bcd8cc42063fb14cef4e4e0d588871614c3cea18e4c4ba77d7.exe
Size 848KB
Sample220405-gyrb2aadf3
SHA256 e93dfe97cdd0a9bcd8cc42063fb14cef4e4e0d588871614c3cea18e4c4ba77d7
MD5 8ced802761e3f10bd0ebef073f19e55d
SHA1 3ebb8367414a3cd3ed5229638761cea66395bc22
SHA512 d7b4ab571421d97e133b80f5705b63d131629d13dc696fb71ce199679350e21c6c7c0a0b3ac7d7f17d998c5035f95f09f1756a26a3ab7199c36fb8f3b67b4d16
MD5 SHA1 SHA512

Score

10^/10

djvu ransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.udla
offline_id
qwVQoIsE2xLety0oNWloOilSDuIBXJGK86LM3ot1
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-fnn5kv33Vv 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: 0435JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 4 IoCs

resource	yara_rule
behavioral2/memory/1644-126-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1644-127-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4576-128-0x00000000023D0000-0x00000000024EB000-memory.dmp	family_djvu
behavioral2/memory/1644-129-0x0000000000400000-0x0000000000537000-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 4576 set thread context of 1644	4576	e93dfe97cdd0a9bcd8cc42063fb14cef4e4e0d588871614c3cea18e4c4ba77d7.exe	80

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1872	1644	WerFault.exe	80

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4576 wrote to memory of 1644	4576	e93dfe97cdd0a9bcd8cc42063fb14cef4e4e0d588871614c3cea18e4c4ba77d7.exe	80
PID 4576 wrote to memory of 1644	4576	e93dfe97cdd0a9bcd8cc42063fb14cef4e4e0d588871614c3cea18e4c4ba77d7.exe	80
PID 4576 wrote to memory of 1644	4576	e93dfe97cdd0a9bcd8cc42063fb14cef4e4e0d588871614c3cea18e4c4ba77d7.exe	80
PID 4576 wrote to memory of 1644	4576	e93dfe97cdd0a9bcd8cc42063fb14cef4e4e0d588871614c3cea18e4c4ba77d7.exe	80
PID 4576 wrote to memory of 1644	4576	e93dfe97cdd0a9bcd8cc42063fb14cef4e4e0d588871614c3cea18e4c4ba77d7.exe	80
PID 4576 wrote to memory of 1644	4576	e93dfe97cdd0a9bcd8cc42063fb14cef4e4e0d588871614c3cea18e4c4ba77d7.exe	80
PID 4576 wrote to memory of 1644	4576	e93dfe97cdd0a9bcd8cc42063fb14cef4e4e0d588871614c3cea18e4c4ba77d7.exe	80
PID 4576 wrote to memory of 1644	4576	e93dfe97cdd0a9bcd8cc42063fb14cef4e4e0d588871614c3cea18e4c4ba77d7.exe	80
PID 4576 wrote to memory of 1644	4576	e93dfe97cdd0a9bcd8cc42063fb14cef4e4e0d588871614c3cea18e4c4ba77d7.exe	80
PID 4576 wrote to memory of 1644	4576	e93dfe97cdd0a9bcd8cc42063fb14cef4e4e0d588871614c3cea18e4c4ba77d7.exe	80

C:\Users\Admin\AppData\Local\Temp\e93dfe97cdd0a9bcd8cc42063fb14cef4e4e0d588871614c3cea18e4c4ba77d7.exe
"C:\Users\Admin\AppData\Local\Temp\e93dfe97cdd0a9bcd8cc42063fb14cef4e4e0d588871614c3cea18e4c4ba77d7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4576
- C:\Users\Admin\AppData\Local\Temp\e93dfe97cdd0a9bcd8cc42063fb14cef4e4e0d588871614c3cea18e4c4ba77d7.exe
  "C:\Users\Admin\AppData\Local\Temp\e93dfe97cdd0a9bcd8cc42063fb14cef4e4e0d588871614c3cea18e4c4ba77d7.exe"
  2⤵
  PID:1644
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1644 -s 536
    3⤵
    - Program crash
    PID:1872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1644 -ip 1644
1⤵
PID:3108

Network

MITRE ATT&CK Matrix

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Downloads

memory/1644-126-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/1644-127-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/1644-129-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/4576-124-0x0000000002339000-0x00000000023CB000-memory.dmp

Download

memory/4576-128-0x00000000023D0000-0x00000000024EB000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads