djvu | 58800e8556bb1ecb9d1554a14cd59136cbf41bac263c56d8e0adea85e6fbcc35

General

Target
58800e8556bb1ecb9d1554a14cd59136cbf41bac263c56d8e0adea85e6fbcc35.exe
Size 829KB
Sample220401-jw6p2sdabj
SHA256 58800e8556bb1ecb9d1554a14cd59136cbf41bac263c56d8e0adea85e6fbcc35
MD5 548a4d607ed9e33eee7cad80c84d6e9e
SHA1 4d4fb77274a1f566db6f871cc4ff93cfb17209de
SHA512 24fdc1bc9f66472ea9d5ccbbe0e72eabf6b78f1ddadeef187d1958a9169ed5c2cb3a8702feec0bf0c620a41b3a64e7d3bea6f386563be9908618cdfde7edf385
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
behavioral1/memory/1060-55-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1060-56-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/1920-60-0x0000000000520000-0x000000000063B000-memory.dmp	family_djvu
behavioral1/memory/1060-61-0x0000000000400000-0x0000000000537000-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 1920 set thread context of 1060	1920	58800e8556bb1ecb9d1554a14cd59136cbf41bac263c56d8e0adea85e6fbcc35.exe	28

Program crash 1 IoCs

pid	pid_target	Process	procid_target
956	1060	WerFault.exe	28

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1920 wrote to memory of 1060	1920	58800e8556bb1ecb9d1554a14cd59136cbf41bac263c56d8e0adea85e6fbcc35.exe	28
PID 1920 wrote to memory of 1060	1920	58800e8556bb1ecb9d1554a14cd59136cbf41bac263c56d8e0adea85e6fbcc35.exe	28
PID 1920 wrote to memory of 1060	1920	58800e8556bb1ecb9d1554a14cd59136cbf41bac263c56d8e0adea85e6fbcc35.exe	28
PID 1920 wrote to memory of 1060	1920	58800e8556bb1ecb9d1554a14cd59136cbf41bac263c56d8e0adea85e6fbcc35.exe	28
PID 1920 wrote to memory of 1060	1920	58800e8556bb1ecb9d1554a14cd59136cbf41bac263c56d8e0adea85e6fbcc35.exe	28
PID 1920 wrote to memory of 1060	1920	58800e8556bb1ecb9d1554a14cd59136cbf41bac263c56d8e0adea85e6fbcc35.exe	28
PID 1920 wrote to memory of 1060	1920	58800e8556bb1ecb9d1554a14cd59136cbf41bac263c56d8e0adea85e6fbcc35.exe	28
PID 1920 wrote to memory of 1060	1920	58800e8556bb1ecb9d1554a14cd59136cbf41bac263c56d8e0adea85e6fbcc35.exe	28
PID 1920 wrote to memory of 1060	1920	58800e8556bb1ecb9d1554a14cd59136cbf41bac263c56d8e0adea85e6fbcc35.exe	28
PID 1920 wrote to memory of 1060	1920	58800e8556bb1ecb9d1554a14cd59136cbf41bac263c56d8e0adea85e6fbcc35.exe	28
PID 1920 wrote to memory of 1060	1920	58800e8556bb1ecb9d1554a14cd59136cbf41bac263c56d8e0adea85e6fbcc35.exe	28
PID 1060 wrote to memory of 956	1060	58800e8556bb1ecb9d1554a14cd59136cbf41bac263c56d8e0adea85e6fbcc35.exe	29
PID 1060 wrote to memory of 956	1060	58800e8556bb1ecb9d1554a14cd59136cbf41bac263c56d8e0adea85e6fbcc35.exe	29
PID 1060 wrote to memory of 956	1060	58800e8556bb1ecb9d1554a14cd59136cbf41bac263c56d8e0adea85e6fbcc35.exe	29
PID 1060 wrote to memory of 956	1060	58800e8556bb1ecb9d1554a14cd59136cbf41bac263c56d8e0adea85e6fbcc35.exe	29

C:\Users\Admin\AppData\Local\Temp\58800e8556bb1ecb9d1554a14cd59136cbf41bac263c56d8e0adea85e6fbcc35.exe
"C:\Users\Admin\AppData\Local\Temp\58800e8556bb1ecb9d1554a14cd59136cbf41bac263c56d8e0adea85e6fbcc35.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1920
- C:\Users\Admin\AppData\Local\Temp\58800e8556bb1ecb9d1554a14cd59136cbf41bac263c56d8e0adea85e6fbcc35.exe
  "C:\Users\Admin\AppData\Local\Temp\58800e8556bb1ecb9d1554a14cd59136cbf41bac263c56d8e0adea85e6fbcc35.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1060
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1060 -s 192
    3⤵
    - Program crash
    PID:956

Network

MITRE ATT&CK Matrix

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Downloads

memory/1060-55-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/1060-59-0x0000000076201000-0x0000000076203000-memory.dmp

Download

memory/1060-61-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/1920-54-0x0000000000230000-0x00000000002C2000-memory.dmp

Download

memory/1920-58-0x0000000000230000-0x00000000002C2000-memory.dmp

Download

memory/1920-60-0x0000000000520000-0x000000000063B000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads