djvu | ce58ee230764523b860e29d9e2bb09b5fc50d68db05a7265109227b3f6e0e962

General

Target
ce58ee230764523b860e29d9e2bb09b5fc50d68db05a7265109227b3f6e0e962.exe
Size 837KB
Sample220408-kjp27sagh7
SHA256 ce58ee230764523b860e29d9e2bb09b5fc50d68db05a7265109227b3f6e0e962
MD5 7b57e6cdb2df476ce9fa2be655e43a38
SHA1 b3d414e2b911c147608479e3b49ae41f39630283
SHA512 e97aa1ef8f63d334f04bc2cb7429c3188e805f4c412bbba9761635696cd281d76ac5346e2ad624a44288421b7213ec4e40a0d9941257b8b4600f2df472f27940
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/1332-125-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1332-126-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4584-129-0x0000000002240000-0x000000000235B000-memory.dmp	family_djvu
behavioral2/memory/1332-128-0x0000000000400000-0x0000000000537000-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 4584 set thread context of 1332	4584	ce58ee230764523b860e29d9e2bb09b5fc50d68db05a7265109227b3f6e0e962.exe	82

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4368	1332	WerFault.exe	82

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4584 wrote to memory of 1332	4584	ce58ee230764523b860e29d9e2bb09b5fc50d68db05a7265109227b3f6e0e962.exe	82
PID 4584 wrote to memory of 1332	4584	ce58ee230764523b860e29d9e2bb09b5fc50d68db05a7265109227b3f6e0e962.exe	82
PID 4584 wrote to memory of 1332	4584	ce58ee230764523b860e29d9e2bb09b5fc50d68db05a7265109227b3f6e0e962.exe	82
PID 4584 wrote to memory of 1332	4584	ce58ee230764523b860e29d9e2bb09b5fc50d68db05a7265109227b3f6e0e962.exe	82
PID 4584 wrote to memory of 1332	4584	ce58ee230764523b860e29d9e2bb09b5fc50d68db05a7265109227b3f6e0e962.exe	82
PID 4584 wrote to memory of 1332	4584	ce58ee230764523b860e29d9e2bb09b5fc50d68db05a7265109227b3f6e0e962.exe	82
PID 4584 wrote to memory of 1332	4584	ce58ee230764523b860e29d9e2bb09b5fc50d68db05a7265109227b3f6e0e962.exe	82
PID 4584 wrote to memory of 1332	4584	ce58ee230764523b860e29d9e2bb09b5fc50d68db05a7265109227b3f6e0e962.exe	82
PID 4584 wrote to memory of 1332	4584	ce58ee230764523b860e29d9e2bb09b5fc50d68db05a7265109227b3f6e0e962.exe	82
PID 4584 wrote to memory of 1332	4584	ce58ee230764523b860e29d9e2bb09b5fc50d68db05a7265109227b3f6e0e962.exe	82

C:\Users\Admin\AppData\Local\Temp\ce58ee230764523b860e29d9e2bb09b5fc50d68db05a7265109227b3f6e0e962.exe
"C:\Users\Admin\AppData\Local\Temp\ce58ee230764523b860e29d9e2bb09b5fc50d68db05a7265109227b3f6e0e962.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4584
- C:\Users\Admin\AppData\Local\Temp\ce58ee230764523b860e29d9e2bb09b5fc50d68db05a7265109227b3f6e0e962.exe
  "C:\Users\Admin\AppData\Local\Temp\ce58ee230764523b860e29d9e2bb09b5fc50d68db05a7265109227b3f6e0e962.exe"
  2⤵
  PID:1332
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1332 -s 536
    3⤵
    - Program crash
    PID:4368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1332 -ip 1332
1⤵
PID:4140

Network

MITRE ATT&CK Matrix

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Downloads

memory/1332-125-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/1332-126-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/1332-128-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/4584-127-0x00000000021AE000-0x000000000223F000-memory.dmp

Download

memory/4584-129-0x0000000002240000-0x000000000235B000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads