djvu | b7529c27c65c9f3cd9ddce5c6c8c193d258e8f54d8c11e9db618feec3cb9258b

General

Target
b7529c27c65c9f3cd9ddce5c6c8c193d258e8f54d8c11e9db618feec3cb9258b.exe
Size 758KB
Sample220325-kten8adee8
SHA256 b7529c27c65c9f3cd9ddce5c6c8c193d258e8f54d8c11e9db618feec3cb9258b
MD5 04d9086098689eed613d4e38a5420524
SHA1 16903c787e3f5cf3a0ed15e67679af796fb5afc8
SHA512 03e748e6ef3de2dece133b1090e32055279f14ce25617b89f5651f063882a449b6513d55007e35e49c9b419b9bcfc5106928f80cda1e4689dcac589a3ba93f94
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/3572-131-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3572-132-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1956-135-0x0000000002240000-0x000000000235B000-memory.dmp	family_djvu
behavioral2/memory/3572-134-0x0000000000400000-0x0000000000537000-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 1956 set thread context of 3572	1956	b7529c27c65c9f3cd9ddce5c6c8c193d258e8f54d8c11e9db618feec3cb9258b.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1304	3572	WerFault.exe	83

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 3572	1956	b7529c27c65c9f3cd9ddce5c6c8c193d258e8f54d8c11e9db618feec3cb9258b.exe	83
PID 1956 wrote to memory of 3572	1956	b7529c27c65c9f3cd9ddce5c6c8c193d258e8f54d8c11e9db618feec3cb9258b.exe	83
PID 1956 wrote to memory of 3572	1956	b7529c27c65c9f3cd9ddce5c6c8c193d258e8f54d8c11e9db618feec3cb9258b.exe	83
PID 1956 wrote to memory of 3572	1956	b7529c27c65c9f3cd9ddce5c6c8c193d258e8f54d8c11e9db618feec3cb9258b.exe	83
PID 1956 wrote to memory of 3572	1956	b7529c27c65c9f3cd9ddce5c6c8c193d258e8f54d8c11e9db618feec3cb9258b.exe	83
PID 1956 wrote to memory of 3572	1956	b7529c27c65c9f3cd9ddce5c6c8c193d258e8f54d8c11e9db618feec3cb9258b.exe	83
PID 1956 wrote to memory of 3572	1956	b7529c27c65c9f3cd9ddce5c6c8c193d258e8f54d8c11e9db618feec3cb9258b.exe	83
PID 1956 wrote to memory of 3572	1956	b7529c27c65c9f3cd9ddce5c6c8c193d258e8f54d8c11e9db618feec3cb9258b.exe	83
PID 1956 wrote to memory of 3572	1956	b7529c27c65c9f3cd9ddce5c6c8c193d258e8f54d8c11e9db618feec3cb9258b.exe	83
PID 1956 wrote to memory of 3572	1956	b7529c27c65c9f3cd9ddce5c6c8c193d258e8f54d8c11e9db618feec3cb9258b.exe	83

C:\Users\Admin\AppData\Local\Temp\b7529c27c65c9f3cd9ddce5c6c8c193d258e8f54d8c11e9db618feec3cb9258b.exe
"C:\Users\Admin\AppData\Local\Temp\b7529c27c65c9f3cd9ddce5c6c8c193d258e8f54d8c11e9db618feec3cb9258b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Users\Admin\AppData\Local\Temp\b7529c27c65c9f3cd9ddce5c6c8c193d258e8f54d8c11e9db618feec3cb9258b.exe
  "C:\Users\Admin\AppData\Local\Temp\b7529c27c65c9f3cd9ddce5c6c8c193d258e8f54d8c11e9db618feec3cb9258b.exe"
  2⤵
  PID:3572
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3572 -s 536
    3⤵
    - Program crash
    PID:1304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3572 -ip 3572
1⤵
PID:1840

Network

MITRE ATT&CK Matrix

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Downloads

memory/1956-133-0x0000000000805000-0x0000000000897000-memory.dmp

Download

memory/1956-135-0x0000000002240000-0x000000000235B000-memory.dmp

Download

memory/3572-131-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/3572-132-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/3572-134-0x0000000000400000-0x0000000000537000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads