djvu | fc6ccdf10a489163e43fbd96ed5c48d0b2948e2a21a29a793083cd15b64b5739

General

Target
fc6ccdf10a489163e43fbd96ed5c48d0b2948e2a21a29a793083cd15b64b5739.exe
Size 796KB
Sample220405-gyrb2aeacn
SHA256 fc6ccdf10a489163e43fbd96ed5c48d0b2948e2a21a29a793083cd15b64b5739
MD5 c15593ee220c718a5f1513ef67c52ae5
SHA1 8eb431141660a56a0936cd9c5716f207989ab5f2
SHA512 0be594484b94b505d18c600e4f5b7d2b4d99c1edaa7616027979ef0158d0d34f9398ac07eed0d81a3fe24552f51f181d3804825ffedd3aec16a602af1752ce1b
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
behavioral2/memory/1856-125-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1856-126-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2632-128-0x0000000002220000-0x000000000233B000-memory.dmp	family_djvu
behavioral2/memory/1856-129-0x0000000000400000-0x0000000000537000-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 2632 set thread context of 1856	2632	fc6ccdf10a489163e43fbd96ed5c48d0b2948e2a21a29a793083cd15b64b5739.exe	80

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3488	1856	WerFault.exe	80

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2632 wrote to memory of 1856	2632	fc6ccdf10a489163e43fbd96ed5c48d0b2948e2a21a29a793083cd15b64b5739.exe	80
PID 2632 wrote to memory of 1856	2632	fc6ccdf10a489163e43fbd96ed5c48d0b2948e2a21a29a793083cd15b64b5739.exe	80
PID 2632 wrote to memory of 1856	2632	fc6ccdf10a489163e43fbd96ed5c48d0b2948e2a21a29a793083cd15b64b5739.exe	80
PID 2632 wrote to memory of 1856	2632	fc6ccdf10a489163e43fbd96ed5c48d0b2948e2a21a29a793083cd15b64b5739.exe	80
PID 2632 wrote to memory of 1856	2632	fc6ccdf10a489163e43fbd96ed5c48d0b2948e2a21a29a793083cd15b64b5739.exe	80
PID 2632 wrote to memory of 1856	2632	fc6ccdf10a489163e43fbd96ed5c48d0b2948e2a21a29a793083cd15b64b5739.exe	80
PID 2632 wrote to memory of 1856	2632	fc6ccdf10a489163e43fbd96ed5c48d0b2948e2a21a29a793083cd15b64b5739.exe	80
PID 2632 wrote to memory of 1856	2632	fc6ccdf10a489163e43fbd96ed5c48d0b2948e2a21a29a793083cd15b64b5739.exe	80
PID 2632 wrote to memory of 1856	2632	fc6ccdf10a489163e43fbd96ed5c48d0b2948e2a21a29a793083cd15b64b5739.exe	80
PID 2632 wrote to memory of 1856	2632	fc6ccdf10a489163e43fbd96ed5c48d0b2948e2a21a29a793083cd15b64b5739.exe	80

C:\Users\Admin\AppData\Local\Temp\fc6ccdf10a489163e43fbd96ed5c48d0b2948e2a21a29a793083cd15b64b5739.exe
"C:\Users\Admin\AppData\Local\Temp\fc6ccdf10a489163e43fbd96ed5c48d0b2948e2a21a29a793083cd15b64b5739.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2632
- C:\Users\Admin\AppData\Local\Temp\fc6ccdf10a489163e43fbd96ed5c48d0b2948e2a21a29a793083cd15b64b5739.exe
  "C:\Users\Admin\AppData\Local\Temp\fc6ccdf10a489163e43fbd96ed5c48d0b2948e2a21a29a793083cd15b64b5739.exe"
  2⤵
  PID:1856
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1856 -s 536
    3⤵
    - Program crash
    PID:3488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1856 -ip 1856
1⤵
PID:4156

Network

MITRE ATT&CK Matrix

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Downloads

memory/1856-125-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/1856-126-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/1856-129-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/2632-127-0x000000000210F000-0x00000000021A0000-memory.dmp

Download

memory/2632-128-0x0000000002220000-0x000000000233B000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads