djvu | a08d308902b9494ee1a0d38e4c7cb5dc91e302efc8e869be3c2ec0394034fe06

General

Target
a08d308902b9494ee1a0d38e4c7cb5dc91e302efc8e869be3c2ec0394034fe06.exe
Size 767KB
Sample220401-jw61tagfg6
SHA256 a08d308902b9494ee1a0d38e4c7cb5dc91e302efc8e869be3c2ec0394034fe06
MD5 6e5b2a19f3cd98e4d797b2185152606f
SHA1 3bb494eee626b7c94bf3ab8ffcbb7c429fee5885
SHA512 4baf39be5d2bb75041d6aad9fff0a544484a66ae318b11b3b67fd2be36f2f4b6e59043c32f916bb0e540863b6c078ae5b2d694aeb980744f5b833e9980e73cb7
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/2032-55-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2032-56-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/452-59-0x0000000001D80000-0x0000000001E9B000-memory.dmp	family_djvu
behavioral1/memory/2032-61-0x0000000000400000-0x0000000000537000-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 452 set thread context of 2032	452	a08d308902b9494ee1a0d38e4c7cb5dc91e302efc8e869be3c2ec0394034fe06.exe	27

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1676	2032	WerFault.exe	27

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 452 wrote to memory of 2032	452	a08d308902b9494ee1a0d38e4c7cb5dc91e302efc8e869be3c2ec0394034fe06.exe	27
PID 452 wrote to memory of 2032	452	a08d308902b9494ee1a0d38e4c7cb5dc91e302efc8e869be3c2ec0394034fe06.exe	27
PID 452 wrote to memory of 2032	452	a08d308902b9494ee1a0d38e4c7cb5dc91e302efc8e869be3c2ec0394034fe06.exe	27
PID 452 wrote to memory of 2032	452	a08d308902b9494ee1a0d38e4c7cb5dc91e302efc8e869be3c2ec0394034fe06.exe	27
PID 452 wrote to memory of 2032	452	a08d308902b9494ee1a0d38e4c7cb5dc91e302efc8e869be3c2ec0394034fe06.exe	27
PID 452 wrote to memory of 2032	452	a08d308902b9494ee1a0d38e4c7cb5dc91e302efc8e869be3c2ec0394034fe06.exe	27
PID 452 wrote to memory of 2032	452	a08d308902b9494ee1a0d38e4c7cb5dc91e302efc8e869be3c2ec0394034fe06.exe	27
PID 452 wrote to memory of 2032	452	a08d308902b9494ee1a0d38e4c7cb5dc91e302efc8e869be3c2ec0394034fe06.exe	27
PID 452 wrote to memory of 2032	452	a08d308902b9494ee1a0d38e4c7cb5dc91e302efc8e869be3c2ec0394034fe06.exe	27
PID 452 wrote to memory of 2032	452	a08d308902b9494ee1a0d38e4c7cb5dc91e302efc8e869be3c2ec0394034fe06.exe	27
PID 452 wrote to memory of 2032	452	a08d308902b9494ee1a0d38e4c7cb5dc91e302efc8e869be3c2ec0394034fe06.exe	27
PID 2032 wrote to memory of 1676	2032	a08d308902b9494ee1a0d38e4c7cb5dc91e302efc8e869be3c2ec0394034fe06.exe	28
PID 2032 wrote to memory of 1676	2032	a08d308902b9494ee1a0d38e4c7cb5dc91e302efc8e869be3c2ec0394034fe06.exe	28
PID 2032 wrote to memory of 1676	2032	a08d308902b9494ee1a0d38e4c7cb5dc91e302efc8e869be3c2ec0394034fe06.exe	28
PID 2032 wrote to memory of 1676	2032	a08d308902b9494ee1a0d38e4c7cb5dc91e302efc8e869be3c2ec0394034fe06.exe	28

C:\Users\Admin\AppData\Local\Temp\a08d308902b9494ee1a0d38e4c7cb5dc91e302efc8e869be3c2ec0394034fe06.exe
"C:\Users\Admin\AppData\Local\Temp\a08d308902b9494ee1a0d38e4c7cb5dc91e302efc8e869be3c2ec0394034fe06.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:452
- C:\Users\Admin\AppData\Local\Temp\a08d308902b9494ee1a0d38e4c7cb5dc91e302efc8e869be3c2ec0394034fe06.exe
  "C:\Users\Admin\AppData\Local\Temp\a08d308902b9494ee1a0d38e4c7cb5dc91e302efc8e869be3c2ec0394034fe06.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2032
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 192
    3⤵
    - Program crash
    PID:1676

Network

MITRE ATT&CK Matrix

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Downloads

memory/452-54-0x0000000000220000-0x00000000002B1000-memory.dmp

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memory/452-58-0x0000000000220000-0x00000000002B1000-memory.dmp

Download

memory/452-59-0x0000000001D80000-0x0000000001E9B000-memory.dmp

Download

memory/2032-55-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/2032-60-0x00000000762A1000-0x00000000762A3000-memory.dmp

Download

memory/2032-61-0x0000000000400000-0x0000000000537000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads