djvu | ca42866c2af069fe5e9ed19c79e8b4ccd960cc5384e2e557f741e9ecc57726ab

General

Target
ca42866c2af069fe5e9ed19c79e8b4ccd960cc5384e2e557f741e9ecc57726ab.exe
Size 769KB
Sample220406-pb2hgscdb2
SHA256 ca42866c2af069fe5e9ed19c79e8b4ccd960cc5384e2e557f741e9ecc57726ab
MD5 5747811cd798cf80691a33cd4571a44e
SHA1 3ff53ccccc3e2c333726410ec9dbae369f1147ea
SHA512 ea7f43e0652c7d21c883cfeb2006d6d4244ed85958b47743448e1c59e2d35a9fd2a55fedd925dfef370532a85135a5a170fc38864ae328714039d70705561a7c
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/1644-134-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1644-135-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1644-138-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3016-137-0x00000000021B0000-0x00000000022CB000-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 3016 set thread context of 1644	3016	ca42866c2af069fe5e9ed19c79e8b4ccd960cc5384e2e557f741e9ecc57726ab.exe	80

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2784	1644	WerFault.exe	80

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 1644	3016	ca42866c2af069fe5e9ed19c79e8b4ccd960cc5384e2e557f741e9ecc57726ab.exe	80
PID 3016 wrote to memory of 1644	3016	ca42866c2af069fe5e9ed19c79e8b4ccd960cc5384e2e557f741e9ecc57726ab.exe	80
PID 3016 wrote to memory of 1644	3016	ca42866c2af069fe5e9ed19c79e8b4ccd960cc5384e2e557f741e9ecc57726ab.exe	80
PID 3016 wrote to memory of 1644	3016	ca42866c2af069fe5e9ed19c79e8b4ccd960cc5384e2e557f741e9ecc57726ab.exe	80
PID 3016 wrote to memory of 1644	3016	ca42866c2af069fe5e9ed19c79e8b4ccd960cc5384e2e557f741e9ecc57726ab.exe	80
PID 3016 wrote to memory of 1644	3016	ca42866c2af069fe5e9ed19c79e8b4ccd960cc5384e2e557f741e9ecc57726ab.exe	80
PID 3016 wrote to memory of 1644	3016	ca42866c2af069fe5e9ed19c79e8b4ccd960cc5384e2e557f741e9ecc57726ab.exe	80
PID 3016 wrote to memory of 1644	3016	ca42866c2af069fe5e9ed19c79e8b4ccd960cc5384e2e557f741e9ecc57726ab.exe	80
PID 3016 wrote to memory of 1644	3016	ca42866c2af069fe5e9ed19c79e8b4ccd960cc5384e2e557f741e9ecc57726ab.exe	80
PID 3016 wrote to memory of 1644	3016	ca42866c2af069fe5e9ed19c79e8b4ccd960cc5384e2e557f741e9ecc57726ab.exe	80

C:\Users\Admin\AppData\Local\Temp\ca42866c2af069fe5e9ed19c79e8b4ccd960cc5384e2e557f741e9ecc57726ab.exe
"C:\Users\Admin\AppData\Local\Temp\ca42866c2af069fe5e9ed19c79e8b4ccd960cc5384e2e557f741e9ecc57726ab.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Users\Admin\AppData\Local\Temp\ca42866c2af069fe5e9ed19c79e8b4ccd960cc5384e2e557f741e9ecc57726ab.exe
  "C:\Users\Admin\AppData\Local\Temp\ca42866c2af069fe5e9ed19c79e8b4ccd960cc5384e2e557f741e9ecc57726ab.exe"
  2⤵
  PID:1644
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1644 -s 536
    3⤵
    - Program crash
    PID:2784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1644 -ip 1644
1⤵
PID:556

Network

MITRE ATT&CK Matrix

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Downloads

memory/1644-134-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/1644-135-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/1644-138-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/3016-136-0x0000000000719000-0x00000000007AB000-memory.dmp

Download

memory/3016-137-0x00000000021B0000-0x00000000022CB000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads