djvu | 63a178ba5e6fd7ae6faefd152b9391fdedad445a2a3d19c35ba588d4a968c24f

General

Target
63a178ba5e6fd7ae6faefd152b9391fdedad445a2a3d19c35ba588d4a968c24f.exe
Size 758KB
Sample220408-khkfbsfhen
SHA256 63a178ba5e6fd7ae6faefd152b9391fdedad445a2a3d19c35ba588d4a968c24f
MD5 de7f1fae39e740eeaf99938fda8b429a
SHA1 d4ceee074222edc86952d1b44786e0a5b0823dd5
SHA512 60cd288469ff62b76031ecd5715e0c8f7f5a0aa0ac66e2194a0159194fcd07782b86e152b29b291034c07b5b5b35c8f5362120c06b7e42db001fdcf571d2f3a7
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/3580-125-0x0000000002280000-0x000000000239B000-memory.dmp	family_djvu
behavioral2/memory/3096-127-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3096-128-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3096-129-0x0000000000400000-0x0000000000537000-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 3580 set thread context of 3096	3580	63a178ba5e6fd7ae6faefd152b9391fdedad445a2a3d19c35ba588d4a968c24f.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4324	3096	WerFault.exe	83

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3580 wrote to memory of 3096	3580	63a178ba5e6fd7ae6faefd152b9391fdedad445a2a3d19c35ba588d4a968c24f.exe	83
PID 3580 wrote to memory of 3096	3580	63a178ba5e6fd7ae6faefd152b9391fdedad445a2a3d19c35ba588d4a968c24f.exe	83
PID 3580 wrote to memory of 3096	3580	63a178ba5e6fd7ae6faefd152b9391fdedad445a2a3d19c35ba588d4a968c24f.exe	83
PID 3580 wrote to memory of 3096	3580	63a178ba5e6fd7ae6faefd152b9391fdedad445a2a3d19c35ba588d4a968c24f.exe	83
PID 3580 wrote to memory of 3096	3580	63a178ba5e6fd7ae6faefd152b9391fdedad445a2a3d19c35ba588d4a968c24f.exe	83
PID 3580 wrote to memory of 3096	3580	63a178ba5e6fd7ae6faefd152b9391fdedad445a2a3d19c35ba588d4a968c24f.exe	83
PID 3580 wrote to memory of 3096	3580	63a178ba5e6fd7ae6faefd152b9391fdedad445a2a3d19c35ba588d4a968c24f.exe	83
PID 3580 wrote to memory of 3096	3580	63a178ba5e6fd7ae6faefd152b9391fdedad445a2a3d19c35ba588d4a968c24f.exe	83
PID 3580 wrote to memory of 3096	3580	63a178ba5e6fd7ae6faefd152b9391fdedad445a2a3d19c35ba588d4a968c24f.exe	83
PID 3580 wrote to memory of 3096	3580	63a178ba5e6fd7ae6faefd152b9391fdedad445a2a3d19c35ba588d4a968c24f.exe	83

C:\Users\Admin\AppData\Local\Temp\63a178ba5e6fd7ae6faefd152b9391fdedad445a2a3d19c35ba588d4a968c24f.exe
"C:\Users\Admin\AppData\Local\Temp\63a178ba5e6fd7ae6faefd152b9391fdedad445a2a3d19c35ba588d4a968c24f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3580
- C:\Users\Admin\AppData\Local\Temp\63a178ba5e6fd7ae6faefd152b9391fdedad445a2a3d19c35ba588d4a968c24f.exe
  "C:\Users\Admin\AppData\Local\Temp\63a178ba5e6fd7ae6faefd152b9391fdedad445a2a3d19c35ba588d4a968c24f.exe"
  2⤵
  PID:3096
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3096 -s 536
    3⤵
    - Program crash
    PID:4324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3096 -ip 3096
1⤵
PID:3612

Network

MITRE ATT&CK Matrix

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Downloads

memory/3096-127-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/3096-128-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/3096-129-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/3580-124-0x00000000009D7000-0x0000000000A69000-memory.dmp

Download

memory/3580-125-0x0000000002280000-0x000000000239B000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads