djvu | ccaaa623e3091c4183a5550b58df11c9492b451b0e602c7e4fd3fd49c95645c8

General

Target
ccaaa623e3091c4183a5550b58df11c9492b451b0e602c7e4fd3fd49c95645c8.exe
Size 735KB
Sample220406-pb2hgscdb3
SHA256 ccaaa623e3091c4183a5550b58df11c9492b451b0e602c7e4fd3fd49c95645c8
MD5 e6c8a5bf47683b9a274157b089a31976
SHA1 2b1df244f2c36551a05a614fa9e5e9cc0edcd42d
SHA512 3e788b63ab4ccd67a81256e4656ca3d7e78ede4cb6d29c610c7368949662e7d01fc76180507b34295a0f48904f88b982ec50bf669b2c9bf73e67f9e354d2d2ff
MD5 SHA1 SHA512

Score

10^/10

djvu ransomware

Malware Config

Extracted

Family

djvu

C2

http://tbpws.top/fhsgtsspen6/get.php

Attributes

extension
.wiot
offline_id
sZ9rF572Y03XTlUZsBUVlV9YksFOEsyIfGx58yt1
payload_url
http://securebiz.org/dl/build2.exe

http://tbpws.top/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-CtDpAM1g5f 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: 0333gSd743d

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 4 IoCs

resource	yara_rule
behavioral2/memory/3468-125-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3468-126-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1992-128-0x0000000003FA0000-0x00000000040BB000-memory.dmp	family_djvu
behavioral2/memory/3468-129-0x0000000000400000-0x0000000000537000-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 1992 set thread context of 3468	1992	ccaaa623e3091c4183a5550b58df11c9492b451b0e602c7e4fd3fd49c95645c8.exe	80

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4556	3468	WerFault.exe	80

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 3468	1992	ccaaa623e3091c4183a5550b58df11c9492b451b0e602c7e4fd3fd49c95645c8.exe	80
PID 1992 wrote to memory of 3468	1992	ccaaa623e3091c4183a5550b58df11c9492b451b0e602c7e4fd3fd49c95645c8.exe	80
PID 1992 wrote to memory of 3468	1992	ccaaa623e3091c4183a5550b58df11c9492b451b0e602c7e4fd3fd49c95645c8.exe	80
PID 1992 wrote to memory of 3468	1992	ccaaa623e3091c4183a5550b58df11c9492b451b0e602c7e4fd3fd49c95645c8.exe	80
PID 1992 wrote to memory of 3468	1992	ccaaa623e3091c4183a5550b58df11c9492b451b0e602c7e4fd3fd49c95645c8.exe	80
PID 1992 wrote to memory of 3468	1992	ccaaa623e3091c4183a5550b58df11c9492b451b0e602c7e4fd3fd49c95645c8.exe	80
PID 1992 wrote to memory of 3468	1992	ccaaa623e3091c4183a5550b58df11c9492b451b0e602c7e4fd3fd49c95645c8.exe	80
PID 1992 wrote to memory of 3468	1992	ccaaa623e3091c4183a5550b58df11c9492b451b0e602c7e4fd3fd49c95645c8.exe	80
PID 1992 wrote to memory of 3468	1992	ccaaa623e3091c4183a5550b58df11c9492b451b0e602c7e4fd3fd49c95645c8.exe	80
PID 1992 wrote to memory of 3468	1992	ccaaa623e3091c4183a5550b58df11c9492b451b0e602c7e4fd3fd49c95645c8.exe	80

C:\Users\Admin\AppData\Local\Temp\ccaaa623e3091c4183a5550b58df11c9492b451b0e602c7e4fd3fd49c95645c8.exe
"C:\Users\Admin\AppData\Local\Temp\ccaaa623e3091c4183a5550b58df11c9492b451b0e602c7e4fd3fd49c95645c8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Users\Admin\AppData\Local\Temp\ccaaa623e3091c4183a5550b58df11c9492b451b0e602c7e4fd3fd49c95645c8.exe
  "C:\Users\Admin\AppData\Local\Temp\ccaaa623e3091c4183a5550b58df11c9492b451b0e602c7e4fd3fd49c95645c8.exe"
  2⤵
  PID:3468
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3468 -s 536
    3⤵
    - Program crash
    PID:4556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3468 -ip 3468
1⤵
PID:1816

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1992-127-0x0000000003E22000-0x0000000003EB3000-memory.dmp

Download

memory/1992-128-0x0000000003FA0000-0x00000000040BB000-memory.dmp

Download

memory/3468-125-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/3468-126-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/3468-129-0x0000000000400000-0x0000000000537000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads