djvu | 874e3b322e52f6db4567ff2fe844e0db53d12c047aec4d2b94079967590be6f3

General

Target
874e3b322e52f6db4567ff2fe844e0db53d12c047aec4d2b94079967590be6f3.exe
Size 833KB
Sample220330-gnk29sdbdm
SHA256 874e3b322e52f6db4567ff2fe844e0db53d12c047aec4d2b94079967590be6f3
MD5 ac2bf34fc5d1a11547016c3447ea0a57
SHA1 9923436bd97eb644c5908d0333093ca9d4f8761b
SHA512 43d04b6da67bb81a470ba93ee1bd944f3a1225f2efa22f5cad0b10f994cee3150c0136fc3ae51cae4a9b5acd3beb34e9bd788ba9f570550d673693f8d592f2ce
MD5 SHA1 SHA512

Score

10^/10

djvu ransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.wdlo
offline_id
i0fXrUHVihm5xsI9Icg243YMPJqd748Ocimkyjt1
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-0S984cQ4B3 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: 0430JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 4 IoCs

resource	yara_rule
behavioral2/memory/2944-131-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2744-134-0x0000000002260000-0x000000000237B000-memory.dmp	family_djvu
behavioral2/memory/2944-132-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2944-135-0x0000000000400000-0x0000000000537000-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 2744 set thread context of 2944	2744	874e3b322e52f6db4567ff2fe844e0db53d12c047aec4d2b94079967590be6f3.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4984	2944	WerFault.exe	83

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 2944	2744	874e3b322e52f6db4567ff2fe844e0db53d12c047aec4d2b94079967590be6f3.exe	83
PID 2744 wrote to memory of 2944	2744	874e3b322e52f6db4567ff2fe844e0db53d12c047aec4d2b94079967590be6f3.exe	83
PID 2744 wrote to memory of 2944	2744	874e3b322e52f6db4567ff2fe844e0db53d12c047aec4d2b94079967590be6f3.exe	83
PID 2744 wrote to memory of 2944	2744	874e3b322e52f6db4567ff2fe844e0db53d12c047aec4d2b94079967590be6f3.exe	83
PID 2744 wrote to memory of 2944	2744	874e3b322e52f6db4567ff2fe844e0db53d12c047aec4d2b94079967590be6f3.exe	83
PID 2744 wrote to memory of 2944	2744	874e3b322e52f6db4567ff2fe844e0db53d12c047aec4d2b94079967590be6f3.exe	83
PID 2744 wrote to memory of 2944	2744	874e3b322e52f6db4567ff2fe844e0db53d12c047aec4d2b94079967590be6f3.exe	83
PID 2744 wrote to memory of 2944	2744	874e3b322e52f6db4567ff2fe844e0db53d12c047aec4d2b94079967590be6f3.exe	83
PID 2744 wrote to memory of 2944	2744	874e3b322e52f6db4567ff2fe844e0db53d12c047aec4d2b94079967590be6f3.exe	83
PID 2744 wrote to memory of 2944	2744	874e3b322e52f6db4567ff2fe844e0db53d12c047aec4d2b94079967590be6f3.exe	83

C:\Users\Admin\AppData\Local\Temp\874e3b322e52f6db4567ff2fe844e0db53d12c047aec4d2b94079967590be6f3.exe
"C:\Users\Admin\AppData\Local\Temp\874e3b322e52f6db4567ff2fe844e0db53d12c047aec4d2b94079967590be6f3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Users\Admin\AppData\Local\Temp\874e3b322e52f6db4567ff2fe844e0db53d12c047aec4d2b94079967590be6f3.exe
  "C:\Users\Admin\AppData\Local\Temp\874e3b322e52f6db4567ff2fe844e0db53d12c047aec4d2b94079967590be6f3.exe"
  2⤵
  PID:2944
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2944 -s 536
    3⤵
    - Program crash
    PID:4984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2944 -ip 2944
1⤵
PID:5056

Network

MITRE ATT&CK Matrix

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Downloads

memory/2744-134-0x0000000002260000-0x000000000237B000-memory.dmp

Download

memory/2744-133-0x00000000021C6000-0x0000000002258000-memory.dmp

Download

memory/2944-131-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/2944-132-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/2944-135-0x0000000000400000-0x0000000000537000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads